The invention relates to an optical device (10) for disinfecting upper air layers in a room, the optical device comprising: - a light source unit (120), comprising a light source (150) and a light-emitting surface (100), which is designed to emit radiation (300) in a UV wavelength range; - a first reflector, which is designed to be arranged at a first distance from the light source unit and to receive the radiation (300) emitted by the light source unit (120) and to reflect the radiation into the room in a first direction with a collimating effect and small far-field angle; - a second reflector, which is designed to be arranged in the room at a second distance from the first reflector and at a position opposite the first reflector and to receive the radiation (300) reflected by the first reflector and to reflect the radiation in a second direction such that a sensor unit can directly or indirectly receive the radiation reflected by the second reflector; - the sensor unit, which is designed to detect the radiation reflected by the second reflector; and a control unit connected to the sensor unit and the light source unit, which control unit is designed, depending on the particular detected radiation, to output a signal which describes the state of the optical device or an impairment of the protection of people from the emitted and/or reflected radiation.
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
A laser module (1) comprises a laser (90), which is designed to emit a laser beam (8) propagating along an optical axis (O), a collimating lens (40), which collimates the laser beam emitted from an emission facet (96) of the laser (90), and a wavelength-sensitive lattice (60), which partially reflects the collimated laser beam. The collimating lens (40) and wavelength-sensitive lattice (60) are arranged along the optical axis (O) of the laser beam emitted from the laser (90), such that an external cavity is formed by a rear mirror facet of the laser (90) and a reflection plane (62) of the lattice (60) to produce a lo-bandwidth portion of the laser beam transmitted by the wavelength-sensitive lattice (60). The reflection plane (62) of the wavelength-sensitive lattice (60), on which the laser beam collimated by the collimating lens (40) is partially reflected during operation, is inclined with an angular deviation (β) with respect to a plane perpendicular to the optical axis (O) of the laser (90). The collimating lens (40) is configured laterally offset with respect to a position centred on the optical axis (O) of the laser (90) into a position (44, 45) shifted in the direction (X, Y) perpendicular to the optical axis (O), in which the collimating lens (40) collimates the laser beam in a beam direction (7) perpendicular to the inclined reflection plane (62).
The invention relates to a method for providing two mutually different electrical DC voltages (12, 14) by means of a clocked energy converter (10) by using a converter switching unit (16) to apply electrical energy from an electrical energy source (20) to a storage inductor (18) and to supply electrical current of the storage inductor (18) to a first electrical capacitor (22), wherein the operation of the converter switching unit (16) is controlled depending on a result of a first comparison of the first DC voltage (12) with a first voltage comparison value. According to the invention, the electrical current of the storage inductor (18) is supplied to the first electric capacitor (22) depending on a switching state of a secondary switching unit (26), wherein the electrical current of the storage inductor (18) is supplied to a second electrical capacitor (24) depending on the switching state of the secondary switching unit (26), wherein the switching state of the secondary switching unit (26) is controlled depending on a result of a second comparison of the second DC voltage (14) with a second voltage comparison value.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/156 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
A device for air treatment (100) is disclosed that is configured to emit a UV radiation beam (500, 510) at least approximately collimated in at least one dimension. The device for air treatment (100) is arranged in an upper part of a room in such a manner that the rays of the UV radiation beam (500, 510) propagate approximately collimated when perpendicularly viewed in the horizontal viewing direction of the room (y-direction). By means of this configuration and arrangement, an active zone (930), in which the UV radiation beam (500, 510) is vertically confined, is implemented in the upper part of the room.
The Invention proposes a resonant DC-DC converter comprising an input for inputting a DC supply voltage, an output for providing a DC voltage to a load with an output rectifier to convert the converter voltage into a DC voltage, a resonant half-bridge inverter comprising two switches in series with a first serial resonant circuit to adjust the output current of the converter, and a second serial resonant circuit to block DC current in the converter and provide current continuity within the converter, where the resonance of the first serial resonant circuit is measured after every start of the converter and the result of this measurement defines the switching frequency of the half-bridge inverter, where the switches of the half-bridge inverter are driven with a key gap, where the resonance frequency of the second serial resonant circuit is at least slightly above the switching frequency of the half-bridge inverter. With this measure, the converter can be operated without using a feedback control loop to measure the output current.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/00 - Conversion of dc power input into dc power output
H02M 3/155 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
6.
TWO-STAGE OPERATING DEVICE WITH AN ISOLATABLE CLOCKED CONVERTER AS A POWER FACTOR CORRECTOR AND CONTROL METHOD FOR THE OPERATING DEVICE
The invention relates to a circuit and an associated control method for an operating device, which comprises a first clocked converter as a power factor corrector and a buck post-regulator, which has a SELV barrier or galvanic isolation barrier extending through the power factor corrector, which has a control circuit concentrated on the input side, which is provided for supplying power from a conventional AC power supply network, and data thereof is to be transmitted, only via two optocouplers, for a complete logic link between the input and output side. The output side is designed for connecting to a DC load, in particular an LED or a series circuit of multiple LEDs, provided for general lighting technology. Both optocouplers are to be operated digitally, i.e. in a pulsed manner, in order to compensate for their non-linearity, temperature drift, aging and noise.
The invention relates to a circuit arrangement for operating at least one LED, comprising an input for inputting an electrical system AC voltage, an inverse buck converter for setting a suitable operating current for the at least one LED, the inverse buck converter comprising a first and a second glow avoiding diode for avoiding capacitive displacement currents with respect to a protective ground in the switched-off state of the circuit arrangement. This measure advantageously ensures that glow effects are suppressed when the circuit arrangement is not operational and is still connected to the electrical system AC voltage, since the effects of parasitic capacitances that are responsible for said glow effects are prevented owing to the novel topology of the circuit arrangement.
H05B 45/59 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
8.
OPTICAL DEVICE FOR DISINFECTING UPPER AIR LAYERS IN A ROOM
The invention relates to an optical device (10) for disinfecting upper air layers in a room, comprising a light source unit (120) and a reflector (200). The light source unit (120) comprises a light source (150) and a light-emitting surface (100) which defines a light source plane (105) and is designed to emit radiation (300) in a UV wavelength range, wherein the light-emitting surface (100) is designed to emit radiation (300) out of the light source unit (120) in an angular range (α, ß, γ, δ) relative to a main emission direction (Z) which is perpendicular to the light source plane (105). The reflector (200) is arranged at a distance (199) to the light-emitting surface (100), said distance being specified in the main emission direction (Z), and receives the radiation (300) emitted by the light-emitting surface (100) and reflects same at least opposite the main emission direction (Z). The reflector (200) has a free form which is designed such that the radiation (300) reflected by the reflector (200) is cast onto a surface (915) to be irradiated which is fixed in the room and which extends beyond the light source plane (105) opposite the main emission direction (Z) when viewed from the reflector (200), wherein the distribution of the irradiation intensity of the radiation (300) cast onto the surface by the reflector (200) is substantially homogenous within the surface.
The present disclosure relates to an antenna for near field communication, a driving apparatus for light emitting diode, and a light emitting diode luminaire. The antenna comprises a pillar support and a winding wire, the winding wire is wound on the side surface of the pillar support to form a plurality of coils; the plurality of coils are electrically connected in series or in parallel; and adjacent coils among the plurality of coils are spaced apart from each other by a predetermined distance. The driving apparatus comprise a printed circuit board, a driver chip and the antenna. The light emitting diode luminaire comprises a light emitting diode module, and the driving apparatus. The antenna according to an embodiment of the present disclosure can achieve good coupling performance in multiple directions and positions.
H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
F21K 9/20 - Light sources comprising attachment means
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H05B 45/00 - Circuit arrangements for operating light-emitting diodes [LED]
The invention relates to an optical device (1) comprising: at least one light source (16); and a light guide (10) having a light coupling surface (11) which faces the at least one light source (16) and having a light decoupling surface (12) by means of which light coupled into the light guide (10) is decoupled therefrom. The device also comprises: a light recycling optical system which is designed to increase a luminous intensity of the light, which has been decoupled out of the light decoupling surface (12), with respect to an opposite projection optical system (20); said projection optical system (20), which is designed to project the light, which has been decoupled out of the light decoupling surface (12) and amplified by the light recycling optical system, at least in part onto a projection plane (26) provided at a distance from the optical device (1); and an image mask (14) which is provided in an optical path of the light between a light decoupling surface (12) and the projection optical system (20). The light guide (10) is designed as a flat layer comprising: two main surfaces (30, 32) that are opposite one another and at a distance (d) from one another; and at least one lateral surface (13) that forms the edge (29) of the flat layer. The at least one light source (16) faces the at least one lateral surface (13) so that the lateral surface (13) forms the light coupling surface (11). A first of the two main surfaces (30) forms the light decoupling surface (12) and faces the projection optical system (20).
B60Q 3/62 - Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
B60Q 3/00 - Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
11.
METHOD FOR CONTROLLING A LASER DIODE AND A DIGITAL MICROMIRROR DEVICE OF AN IMAGE-GENERATING UNIT IN A HOLOGRAPHIC HEAD-UP DISPLAY
The invention relates to a method for controlling a light source and an image-generating unit having a digital micromirror device (DMD), wherein a light beam is directed from the light source onto a number of micromirrors of the DMD, with the aid of which an image is generated depending on various mirror positions and can be output, said method comprising the steps of: operating the DMD by means of pulse width modulation in a pattern of bit segments which are successive within an update time; activating at least one micromirror in order, within a first partial interval of the update time comprising one or more pulses, the pulses corresponding to the bit segments, to set a first mirror position (ON) in such a way that the light beam component incident on the micromirror is output; and providing a power, with which the light source is supplied at least within the duration of the first partial interval so that the light source emits therein a predetermined amount of light. In a first operating mode, the light source is supplied with power within a second partial interval of the same update time in which the at least one micromirror of the digital micromirror device assumes a second mirror position (OFF), so that the light beam component incident on the micromirror is not output from the image-generating unit. A temporal average value of the power in the second partial interval is increased in comparison to a temporal average value of the power within the first partial interval in order to counteract a cooling of the light source in the case of a small amount of light which is provided for the output from the image-generating unit.
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
12.
BURST OPERATION WITH VARIABLE BURST FREQUENCY AND VARIABLE BURST DUTY CYCLE FOR OPERATION OF DC/DC CONVERTERS HAVING LOW OUTPUT POWER OR CURRENT
The invention relates to a method for operating a clocked electronic power converter having an output power range for operating a connectable load, the output power range resulting from a permissible output voltage range and a permissible output current range, and the power converter having a switch, an inductance and an on-off keying device. The method is characterised by the following steps: - in a first mode of operation, which ranges from the maximum output current of the power converter of 100% to a reduced output current, setting the on-off keying device to a burst duty cycle of 100%, and adjusting the converter clock frequency or the switch-on time period of the switch, in order to increase or to reduce the output current of the power converter for the load, - in a second mode of operation, which ranges from the reduced output current to the minimum output current, maintaining the converter clock frequency or a minimum switch-on time period of the switch and setting the burst duty cycle, in order to change the working point and thereby to further reduce the output current of the clocked converter for the load. An on-off keying burst frequency is reduced from a burst duty cycle lying in the range from 40% to 20%, with a decreasing burst duty cycle, in order to keep a ripple of the output current in a required range, and the burst frequency at the burst duty cycle lying in the range from 40% to 20%, is higher by the factor 2 to 40, preferably by the factor 3 to 15, than the burst frequency at the minimum duty cycle.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/00 - Conversion of dc power input into dc power output
H02M 3/156 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The invention relates to a method for producing an optical device (1) comprising at least one light source (16), at least one light guide (10) having an entry surface (11) facing the light source (16), and having an exit surface (12) formed at an end of the light guide (10) lying opposite the entry surface (11), in order to allow light entering into the light guide (10) to exit same, and a projection lens (20) which is designed to project the light exiting the exit surface (12) onto a projection plane (26) provided at a distance from and at an angle of inclination (γ) relative to a main direction of emission (Z) of the optical device (1). The method comprises the following steps: specifying a target distribution of the illuminance in the image (15) projected into the projection plane (26) by the projection lens (20); determining a non-homogenous distribution of the illuminance (Ev) of the light across the exit surface (12) from the distribution to be specified of the illuminance in the image (15) projected into the projection plane (26); determining a three-dimensional shape of the at least one light guide (10) with which the non-homogenous distribution of the illuminance (Ev) of the light across the exit surface (12) is generated when light is emitted by the at least one light source (16); and producing the light guide (10) with the three-dimensional shape and assembling the components of the optical device (1).
The invention relates to an insert part (3) for gas- and/or liquid-tight overmoulding with a plastic, comprising a main body (30, 31, 32, 33) with a surface (36) having at least one surface section (35) to be sealed by the overmoulding, and a barrier (60, 61, 62, 62, 610) formed in the surface (36) in an edge region (34) of the surface section (35) to be sealed. This has a contact surface (66) which is aligned and inclined relative to the surface (36) surrounding the barrier (60, 61, 62, 610) in such a way that, in the event of the overmoulding with the plastic, said plastic forms an interlocking connection with the surrounding surface (36) in a cooling process following the overmoulding by shrinking onto the contact surface (66). A combination of the insert part (3) and the plastic injection-moulded part (2) produced with the overmoulding can be provided in a semiconductor vehicle lamp (1) for headlights or additional lighting for vehicles, wherein the overmoulding can achieve gas- and/or liquid tightness as well as electrical insulation and the insert part forms a cooling element for a substrate (10) with at least one semiconductor light source (11) arranged thereon and the substrate (10) is attached to the cooling element.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
F21V 31/00 - Gas-tight or water-tight arrangements
15.
COMMUNICATION DEVICE, CORRESPONDING SYSTEM AND METHOD
A communication device (10) that can be used, for example, for transmitting data signals from the secondary side (SS) to the primary side (PS) of a galvanic-isolation barrier comprises transmitter circuitry (12) and receiver circuitry (14) set between which is a data-signal-transfer transformer (16). The transmitter circuitry (12) comprises a spike generator (121, 122) coupled to the primary winding (161) of the data-signal-transfer transformer (16) and a driver circuit (123) configured to receive an input data signal (IS) with transitions of logic level (LL1, LL2) and drive the spike generator (121) for generating spikes at the transitions of logic level (LL1, LL2) of the input data signal (IS). The receiver circuitry (14) comprises a signal-reconstruction circuit (141, Q3, Q4) coupled to the secondary winding (162) of the data-signal-transfer transformer (16). The signal-reconstruction circuit (141, Q3, Q4) is configured to receive the aforesaid spike transferred to the secondary winding (162) of the data-signal-transfer transformer (16) and produce an output data signal (OS) with transitions of logic level (LL1, LL2) at the spikes transferred to the secondary winding (162) of the data-signal-transfer transformer (16). The output data signal (OS) is consequently a reconstruction of the input data signal (IS).
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H05B 47/18 - Controlling the light source by remote control via data-bus transmission
According to various aspects a LIDAR module (200) is provided, the LIDAR module (200) including: a light emitting device (202) configured to emit a light signal (204) in accordance with a combination of a plurality of partial signals; and one or more processors (206) configured to: encode a sequence of symbols (208), wherein each symbol of the sequence of symbols (208) is associated with a respective combination of the plurality of partial signals, and control the light emitting device (202) to combine the plurality of partial signals as a function of the encoded sequence of symbols (208) to emit the light signal (204).
A LIDAR module (100) is provided, the LIDAR module (100) including: one or more processors (102) configured to: determine an estimate of a remaining lifetime of the LIDAR module (100) as a function of aging data representative of aging events associated with one or more components (104) of the LIDAR module (100).
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
G01S 7/483 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of pulse systems
G01S 7/499 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using polarisation effects
G01S 17/931 - Lidar systems, specially adapted for specific applications for anti-collision purposes of land vehicles
G01S 7/4865 - Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak
Provided is a lamp (10) including a light source (11), a driver (13), a connector (14) and a heat sink (12). The light source (11) includes a light source circuit board on which a light emitting element (11b) is arranged. The driver (13) drives the light source (11) and includes a driving circuit board (13a) on which a driving electronic element (13b) is arranged. The connector (14) is connected to a power source and to the driver (13) spatially separated from the light source (11). The light source (11) and connector (14) are fixedly attached inside the heat sink (12) so that the light source (11) and driver (13) are radially surrounded by the heat sink (12). The connector (14) includes a supporting column (14a) for supporting the driving circuit board (13a) and a retainer (14b) for holding the driving circuit board (13a). The lamp according to this disclosure can not only improve the heat dissipation so as to meet power demand, but also has a compact structure to reduce space of installation.
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/10 - Arrangement of heat-generating components to reduce thermal damage, e.g. by distancing heat-generating components from other components to be protected
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
F21S 41/19 - Attachment of light sources or lamp holders
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
According to various aspects a detection system (100) may include: a detector circuit (102) configured to detect a signal; an integrator circuit (106) configured to integrate the detected signal (104) responsive to an integration start signal (112) and to generate an integration value (114); and a processing circuit (108) configured to: detect a change of the detected signal (104) from below to above a predefined trigger threshold value and, in the case that the change of the detected signal (104) is detected, transmit the integration start signal (112) to the integrator circuit (106); determine a time between a provided time measurement start signal and the detection of the change of the detected signal as a time measurement associated with the detected signal (104); and determine one or more characteristics (116) of the detected signal (104) using the generated integration value (114).
The present disclosure provides an outer casing (1) for electronic devices and power-conversion driving device. The outer casing (1) includes a casing body (12) and a cover (14). The casing body (12) includes engagement portions (124), the cover (14) includes two first side walls (144), each first side wall (144) includes a first cooperation portion (146), the engagement portion (124) includes two second side walls (128), each second side wall (128) includes a second cooperation portion (129), and the first side walls (144) and the second side walls (128) are such configured that, the first side walls (144) and the second side walls (128) are able to abut against each other elastically, and the first cooperation portions (146) and the second cooperation portions (129) form shape-fitting to clamp the cover (14) to the casing body (12). The two second side walls (128) of the engagement portion (124) further include two actuating portions (13) to disengage the first cooperation portion (146) from the second cooperation portion (129). The cover (14) of the outer casing (1) can be directly actuated and removed from the outside without touching the parts inside the outer casing (1), which is easy to operate and improves the integrity and aesthetics of the outer casing (1), and is able to meet the various requirements and safety standards on the convenience of disassembly and assembly and the reliability of closure in different use circumstances and different regions, and has high cost-effectiveness and universal applicability.
A lamp (10) which may be employed, for example, as a retrofit automotive lamp for motor vehicles (10) comprises a lamp body (12, 161, 162, 20) extending between a proximal base portion (101) and a distal front portion (102), and comprises a support member (12) having a first and a second opposed sides. On each one of such sides there are arranged a first array of solid-state light sources (141) having a shield (150) optically coupled therewith for providing a low-beam light, as well as a second array of solid-state light sources (142), located between the base portion (101) and the first array of solid-state light sources (141) and configured to provide a high-beam light. The second array of solid-state light sources (142) consists of: a first single row (144; 1420, 1421) of light sources extending longitudinally of the lamp body (12, 161, 162, 20) between a proximal side (1421) of the second array (142) facing towards the proximal base portion (101) and a distal side (1420) of the second array (142) facing towards the first array of solid-state light sources (141), and a second single row (146; 1420, 1422) of solid-state light sources extending transversely of the lamp body (12, 161, 162, 20) at the distal side (1420) of the second array (142) facing towards the first array of solid-state light sources (141).
F21K 9/23 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
F21K 9/60 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
F21Y 105/12 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
A lamp (10) which may be employed, for example, as a W5W retrofit lamp for motor vehicles (10) comprises a lamp body (12) extending in a first direction along a longitudinal axis (X10) between a proximal base portion (14) and a light-reflective distal front surface (16). A linear array (22) of solid-state light sources (221), arranged distally of the front surface (16) of the lamp body (12), extends in a second direction (X22) transverse to the longitudinal axis (X10) and has a length, along said second direction (X22), which is longer than a width (dl) across said second direction (X22). The light-reflective distal front surface (16) tapers from the outer edge (160) towards the linear array (22) of light sources (221) and comprises two opposed surface portions (161, 162). Each of them extends from the outer edge (160) to a linear inner edge line (1610, 1620) which: • is aligned with the second direction (X22) and longer than the array (22) of solid-state light sources (221), and • is spaced from the linear array (22) of solid-state light sources (221) towards the proximal base portion (14) of the lamp body (12).
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21K 9/68 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of reflectors forming part of the light source
bb) on the second support ring (50) retained between the flexible elements (23). Owing to the proposed attachment (10) and the corresponding laser module (1), and owing to the use of a non-warping welding process, a laser beam with a considerably narrower-band emission spectrum and with greatly reduced wavelength drift can be obtained under the temperature conditions common in vehicles.
According to various aspects a detection system (100) may include: a detector (102, 201) configured to provide a received signal (104, 202); and a processing circuit (106, 250) configured to: provide quantized signals (108, 204) each being representative of the portions of the received signal (104, 202) in which a signal level is greater than a respective threshold level (206); provide an encoded signal (110, 208) including first and second encoded signal values (110-1, 110-2, 208-1, 208-2) representative of the portions of the received signal (104, 202) in which the signal level becomes greater or less than one of the threshold levels (206), respectively; and perform a time-to-digital conversion of the encoded signal (110, 208) to provide a digitized signal including first digitized values (112-1, 214-1) associated with the first encoded signal values (110-1, 208-1),and second digitized values (112-2, 214-2) associated with the second encoded signal values (110-2, 208-2).
According to various aspects a light detection system (100, 300a-300e, 400a-400d) is provided, the light detection system (100, 300a-300e, 400a-400d) including: a detector (102, 202, 302, 402a-402d) configured to provide a received light signal (104, 204-2); and a processing circuit (106, 240, 340a-340e, 404) configured to: provide a plurality of branched signals (108, 210) each being representative of the received light signal (104, 204-2); and combine the plurality of branched signals (108, 210) with one another to provide a combined signal (110, 218), wherein the plurality of branched signals (108, 210) differ from one another in such a way that, as a result of the combination, respective signal components (108s) of the plurality of branched signals (108, 210) combine in a constructive manner and respective noise components (108n) of the plurality of branched signals (108, 210) combine in an at least partially destructive manner.
The invention relates to a device (10) for sterilising a fluid flowing therethrough by means of UV radiation (UV reactor), said device comprising a container (20) having an inlet (22) for receiving the fluid and having an outlet (24) for discharging the fluid from the container (20), a variable or adjustable irradiation zone (12) for irradiating the fluid with UV radiation being provided within said container (20). The irradiation zone (12) is designed as a gap which extends between two oppositely arranged reactor walls (14, 26) and though which the fluid flows. The mutual distance (D) between the reactor walls (14, 26), and thus also the gap size (D) of the gap, can be changed by designing at least one reactor wall (14) to be movable. For example, the movable reactor wall (14) is a wall of a displaceable body (9) that is located inside the container (20) or projects into the container. By adjusting the distance between the reactor walls (14, 26) in the region of the irradiation zone (12) that is in the form of a gap, and thus the layer thickness (D) of the fluid flowing through the gap, the efficiency of the operation of the UV reactor (10) is optimised with different scattering and absorption properties of the fluid. Optionally, the penetration depth of the radiation is detected using a sensor (7) and the gap size (D) is adjusted on the basis of the sensor signal.
The invention relates to a device (1) for sterilising a fluid flowing therethrough, said device comprising: a container (2) having an inlet (4) for receiving the fluid and having an outlet (6) for discharging the fluid from the container (2); a body (8) having a surface (13) which is at least in part curved, the body (8) being positioned within the container (2) in such a way that the fluid flowing into the container (2) via the inlet (4) washes over or around at least part of said body at least in the region of its surface (13) that is curved. The device (1) also comprises a plurality of LEDs (14) which are each designed to emit light having wavelengths in the range of UV radiation, preferably UVC radiation. The LEDs (14) are designed to irradiate the fluid washing over or around the curved surface (13) of the body (8) with the UV radiation, preferably the UVC radiation, of the LEDs (14).
A LIDAR system including an optical system (101) is provided, the optical system (101) including: a light source (102); an optical component (104) comprising a plurality of segments (106-1... 106-8) to deflect the light emitted by the light source (102) towards a field of view (108) of the LIDAR system in a plurality of respective emission directions (114); and a controller (112) to control a continuous movement of the optical component (104), in such a way that the light emitted by the light source (102) impinges onto a different segment during different portions of the continuous movement of the optical component (104). The optical system (101) may include a detector (126) to detect light. The optical component (104) may include a plurality of receive optical elements (128-1... 128-8), each associated with a respective segment. A receive optical element may be disposed relative to the associated segment in such a way that a direct reflection (114r) of the emitted light deflected by the segment impinges onto that receive optical element. The light detection may be understood as a tracking of a scanned horizontal and vertical angle range through an optical tracking filter to increase the signal- to-noise ratio. The optical component may be implemented as a hard disk drive including a rotating disk onto which light emitted by a light source may be directed. The LIDAR system may be part of a vehicle or of a smart farming or of an indoor monitoring system.
In various aspects a LIDAR system (200) is provided, the LIDAR system (200) including a light emission system (202, 400) and a light detection system (204, 500), the light emission system (202, 400) including: a light deflection device (402) configured to receive polarized light, and configured to deflect the received light towards a first direction in accordance with a polarization of the received light; and an optical arrangement (412) configured to absorb or reflect a second portion of the light deflected by the light deflection device (402) travelling in a second direction, based on a polarization of the second portion of the deflected light.
G01S 7/499 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using polarisation effects
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
According to various aspects a light detection system (400, 900a, 9004, 1004) is provided, the light detection system (400, 900a, 9004, 1004) including: a detector (402, 500, 902) configured to provide a received light signal; and a processing circuit (406, 600, 908a, 908b) configured to: identify a number of peaks in the received light signal, and estimate a signal-tonoise ratio associated with the received light signal based on the number of identified peaks.
G01S 7/48 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
A light emitting device (200) includes: a light source (202); a switching element (204, 300) having an input capacitance and configured to control a current flow to the light source (202) in accordance with a charging of the input capacitance; a voltage control element (208, 500) coupled with the switching element (204, 300) and with a voltage supply node (212), the voltage control element (208, 500) having a second capacitance, the voltage control element (208, 500) and the switching element (204, 300) forming a capacitive voltage divider; and a driving element (210, 400) configured to provide a driving voltage at the voltage supply node (212) greater than a maximum allowable input voltage of the switching element (204, 300), wherein a relationship between the input capacitance and the second capacitance is in accordance with a relationship between the driving voltage and the maximum allowable input voltage.
A luminophore mixture for use in a conversion layer applied to a semiconductor light source comprises a first luminophore designed to emit light of a first unsaturated colour when it is irradiated with light by the semiconductor light source and is the sole luminophore provided in the conversion layer, where the first unsaturated colour is associated with a first position in a CIE standard chromaticity diagram which is adjacent to and above a position of a selected target colour of the luminophore composition in the CIE standard chromaticity diagram, and it comprises a second luminophore designed to emit light of a second unsaturated colour when it is irradiated with light by the semiconductor light source and is the sole luminophore provided in the conversion layer, where the second unsaturated colour is associated with a second position in a CIE standard chromaticity diagram which is adjacent to and below the position of the selected target colour of the luminophore composition in the CIE standard chromaticity diagram. The position of the selected target colour of the luminophore composition in the CIE standard chromaticity diagram here is within an area defined by vertex positions R = (cx; cy) given by R1 = (0.645; 0.335), R2 = (0.665; 0.335), R3 = (0.735; 0.265), and R4 = (0.721; 0.259).
A table-top unit (1, 2, 3) for generating a substantially microbe-inactivated room zone (5) comprises a housing (10) with an interior (14), which has a longitudinal axis, a blower device (60) which is designed to receive air from outside and convey it into the interior (14), a radiation source (50) which is designed to emit light in the UV-C spectral range into the interior (14), in order to inactivate or kill off microbes in the received air (121), and an air outlet device (70) through which the sterilized air (122) can flow from the interior (14) into a room surrounding the housing (10). The air outlet device (70) is designed to produce a preferably laminar flow in the outflowing air (123), which supports the formation of the substantially microbe-inactivated room zone (5) within the surrounding room. The substantially microbe-inactivated room zone (5) generated in this way is closed off and completely envelops the housing (10) when the latter is viewed in a plane perpendicular to the longitudinal axis of the housing (10).
F24F 3/163 - Clean air work stations, i.e. selected areas within a space to which filtered air is passed
F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
34.
ELECTRONIC LOAD FOR INSTALLATION IN THE POWER SUPPLY OF A VEHICLE LAMP
An electronic load (15, 16, 17, 18) for installation in the power supply of a vehicle lamp (8) comprises a first connection node (N1), which is connected to two first connection sections (12a, 12b) which are designed to be connected between corresponding connection sections of a first line (6) which carries a voltage potential, and a second connection node (N4) which is connected to two second connection sections (11a, 11b) which are designed to be connected between corresponding connection sections of a second line (7) which carries a reference potential. The supply voltage supplied via the lines (6, 7) of the vehicle lamp (8) corresponds to the difference between voltage potential and reference potential. A current sink circuit (50, 51, 52, 53) switched between the connection nodes and connected to same is designed to effect a substantially constant current flow independently of a supply voltage which changes over time from at least one of the first connection sections (12a, 12b) to at least one of the second connection sections (11a, 11b). The electronic load is configured to be connectable to the first and the second line (6, 7) in order to provide the current flow in parallel to the vehicle lamp (8).
H05B 45/3575 - Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
B60Q 11/00 - Arrangement of monitoring devices for devices provided for in groups
35.
METHOD AND CIRCUIT ASSEMBLY FOR DETECTING A PARTIAL FAILURE OF A LIGHTING MEANS HAVING AT LEAST ONE STRING OF SEMICONDUCTOR LIGHT SOURCES
The invention relates to a method and a circuit assembly for detecting a partial failure of semiconductor light sources operated using the circuit assembly. To this end, the string voltages of operated LED strings are measured, as well as the voltage across a converter inductor in a converter circuit which is part of the circuit assembly. Each of the LED strings has its own converter inductor, the voltage of which is measured. A partial failure of the operated semiconductor light sources can be detected using a data fusion process and the operation of the semiconductor light sources can be completely shut down, to comply with ECE R48.
According to various embodiments, a lidar system (100) may comprise: a detector (102) comprising a plurality of detector pixels (104) which are configured such that they detect a light signal, the detector pixels (104) being arranged in a two-dimensional array (106), a light-emission system (114) which is configured such that it emits a light signal (116) into a field of view (118) of the lidar system (100), and one or more processors (124) which are configured such that they assign a first detected light signal (126-1), which is provided by a first set (104-1) of detector pixels (104) of the plurality of detector pixels (104), to a direct reflection of the emitted light signal (116) and such that they assign a second detected light signal (128-1), which is provided by a second different set (104-2) of detector pixels (104) of the plurality of detector pixels (104), to a light signal (130) that differs from the direct reflection of the emitted light signal (116).
According to different embodiments, a LIDAR system (100) can have: a detector (104) having a plurality of detector pixels (106) which are arranged along a first direction, each detector pixel (106) of the plurality of detector pixels (106) being assigned to a respective sub-section of the field of view (102); a light source (110) having a plurality of sub-light sources (112) which are arranged along a second direction at an angle to the first direction, each sub-light source (112) of the plurality of sub-light sources (112) being assigned to a respective sub-section of the field of view (102); a coarse angle control element (114) which is designed to deflect light from the light source (110) to the field of view and deflect light from the field of view (102) to the detector (104); and a light emission control (118) which is designed to control the sub-light sources (112) of the plurality of sub-light sources (112) such that each sub-light source (112) of the plurality of sub-light sources (112) emits light in a respective emission time period.
According to various embodiments, an optical assembly (200) for a LIDAR system can comprise: a focusing assembly (202), which is designed such that it focuses light onto a focal point (214) of the focusing assembly (202); a beam-deflection component (204), which is arranged downstream of the focusing assembly (202) at a first spacing (216) from the focal point (214) of the focusing assembly (202), wherein the beam-deflection component (204) is configured such that it deflects the light at a deflection angle onto a visual field (220); and a parallelisation lens (206), which is arranged downstream of the beam-deflection component (204) at a second distance (218) from the focal point (214) of the focusing assembly (202), wherein the second distance (218) corresponds to a focal length of the parallelisation lens (206), and wherein the parallelisation lens (206) is configured such that it parallelises the light from the focal point (214).
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
The invention relates to a semiconductor headlamp (10) for motor vehicles, comprising a lamp body (1) along a longitudinal axis (X). Said lamp body comprises a rear main portion with a base (20) and heat sink (60) and a support element (50) mounted thereon with semiconductor light sources (70) arranged thereon. A front portion has a light-permeable housing (40). A driver circuit (55) supplies the light sources with electrical power so that the lamp emits light through the light-permeable housing. The lamp can be designed as a retrofit lamp and be of the type H7, H8, H9, H11 or H16. The power converted into light generates, in the case of a 12 V H7 lamp for example, a luminous flux of at least 1500 lumens +/- 10% if the light sources are supplied with a test voltage of 13.2 volts. The lamp here does not extend spatially beyond an envelope specified in the ECE standard for an H7 type lamp. An optimal design with efficient passive heat transfer in a tight space nevertheless permits a high luminous flux.
F21S 41/19 - Attachment of light sources or lamp holders
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 41/33 - Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
F21S 41/365 - Combinations of two or more separate reflectors successively reflecting the light
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21K 9/68 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of reflectors forming part of the light source
A semiconductor headlight lamp (10) for a motor vehicle is proposed, the lamp having a rear base portion, e.g. with a heat sink (60) and a lamp base (20) and a front portion with a light-permeable housing (40) and reflector optics (39) extending in combination along a longitudinal axis (X). A support element (50) is fitted to the rear base portion, and semiconductor light sources (70) provided thereon emit light onto the reflector optics which comprise a first reflector-optics portion (32) and a second reflector-optics portion (36). The first reflector-optics portion can reflect the light, emitted by the semiconductor light sources (70), towards the second reflector-optics portion. The second reflector-optics portion can reflect the light reflected by the first reflector-optics portion again and emit it through the light-permeable housing. The first reflector-optics portion (32) comprises first reflective surfaces (35a – 35e), which extend annularly around the longitudinal axis (X). The second reflector-optics portion (36) can thereby be irradiated uniformly and can achieve optimal emission characteristics for the lamp.
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21K 9/68 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of reflectors forming part of the light source
A reflector optics system (300) for a motor vehicle headlight lamp is proposed, the system having a reflector body (30) that is symmetrical about a longitudinal axis (X), said body having a first reflector-optics portion (32) with a substantially concave form. The system also has a second reflector-optics portion (36) along the longitudinal axis. The first reflector-optics portion (32) faces the second reflector-optics portion (36) and both portions have a plurality of first and second reflective surfaces (35a-35e; 37a-37e) respectively. The second reflective surfaces have a direct spatial light-receiving relationship with the first reflective surfaces. This relationship of the reflective surfaces achieves a uniform distribution of the light that is emitted towards the reflector optics (39) and is incident on the second reflector-optics portion (36). Thus, heat spikes in this area are reduced. The second reflective surfaces (37a-37e) ensure high reflectivity, a uniform distribution of the light emission, a reduction in production costs and a design for the corresponding lamp that conforms to ECE standards, and also provide an option for application in retrofit vehicle headlight lamps.
F21S 41/33 - Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
F21S 41/365 - Combinations of two or more separate reflectors successively reflecting the light
F21S 41/19 - Attachment of light sources or lamp holders
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 41/151 - Light emitting diodes [LED] arranged in one or more lines
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21K 9/68 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of reflectors forming part of the light source
The invention relates to an optical element (1, 1', 1'') for a lamp (2), the optical element (1, 1', 1'') being in the form of line optics (10, 10', 10'') having a symmetrical groove structure (12) formed from waves (11), and the groove structure (12) continually changing starting from a center of symmetry (P0) in at least one direction of propagation of the groove structure (12).
In one embodiment, the invention relates to a lighting module (1) comprising a ballast (2) and a lighting assembly (3). The ballast (2) contains a control unit (21) for controlling the lighting assembly (3), an interface (22) to the lighting assembly (3), a memory (23) for lighting scenarios and a radio module (24) for receiving information. The lighting assembly (3) has at least one light source (31) for adjustable light generation. The lighting assembly (3) is wired to the ballast (2).
An LED chip insert for a circuit board comprises: a leadframe, in which punching is used to form a number of electrically conductive strands having respective ends having bearing surfaces that are designed for attachment to a circuit board and that form a common plane; wherein the leadframe has a region in the form of a depression in relation to the ends, an injection-moulded frame that is formed from an electrically insulating material and annularly surrounds a surface of the leadframe, which surface is exposed within the region of the depression and faces the ends of the strands, and consequently achieves a trough-shaped overall structure, at least one LED chip that is placed in the region in the form of a depression and has a first electrical contact connection and a second electrical contact connection, wherein the first electrical contact connection is electrically conductively connected to a first of the strands and the second electrical contact connection is electrically conductively connected to a second of the strands. The region of the leadframe in the form of a depression in relation to the ends may be inserted into a cutout in the circuit board such that the back faces thereof terminate flush with one another. In the lighting module, the back face of the depressed region of the circuit board may be in contact with an end cooling surface of a heat sink and dissipate heat there.
Disclosed are a method and device for adjusting a color temperature of a lighting device, a lighting device, and a computer-readable storage medium. The method comprises: receiving a color temperature adjustment signal and converting the color temperature adjusting signal into adjustment proportion information corresponding to a color temperature adjustment range of the lighting device; encoding, within a specific time period in a cycle of a rectified input signal, the rectified input signal according to the adjustment proportion information, wherein the specific time period is set in a portion of the cycle in which phases of phase cut dimming are cut off; and adjusting the color temperature of the lighting device based on the encoded input signal.
A method for driving a unidirectional current through an electrical load, such as one or more LED modules by applying thereto a PWM-modulated signal (Vpwm) that swings between a high value (Von) and a low value (Voff) envisages choosing said high value (Von) and said low value (Voff) as nonzero values having a same sign.
H02M 7/527 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
A method of illuminating an artwork (140) in an exposition area is disclosed. The artwork (140) is illuminated with a lighting system comprising one or more light fixtures (110) configured to emit light (500) with variable characteristics as a function of a control command, wherein a light sensor (120) is installed in the exposition area in order to measure a global and/or a plurality of local light intensity values of the light (600) reflected by the artwork (140) for at least one wavelength or wavelength range. Specifically, the method comprises the steps of: during a calibration phase, obtaining a global and/or a plurality of local light intensities at the artwork (140) for at least one wavelength or wavelength range and measuring via the light sensor (120) the global and/or local light intensity values of the light (600) reflected by the artwork (140); during a training phase, determining a mathematical function or a dataset adapted to estimate the global and/or the plurality of local light intensities at the artwork (140) as a function of the global and/or the plurality of local measured light intensity values of the light (600) reflected by the artwork (140); and during a normal operation phase, measuring via the light sensor (120) the global and/or the plurality of local light intensity values of the light (600) reflected by the artwork (140), and estimating via the mathematical function or the dataset the global and/or the plurality of local light intensities at the artwork (140) as a function of the global and/or the plurality of local measured light intensity values of the light (600) reflected by the artwork (140).
ABcDEFABCDEFF), the possibility being given to vary the color of the combined light radiation as a function of user-selected combinations of the optical filter selection signals.
The invention relates to an electrode, in particular an anode (20), for a gas discharge lamp, wherein the electrode (20) has a main body (22) which surrounds multiple chambers (221 - 223). The chambers (221 - 223) may be arranged parallel to one another or in series, with respect to a longitudinal axis (A) of the electrode (20), and are at least partially filled with a low-melting metal (26), for example silver or copper. By suitably making the number, filling, form and geometrical dimensions of the individual chambers (221 - 223) and their position within the main body (22) match the respective design of the electrode (20), improved heat dissipation from the main body (22), in particular from the region close to the anode plateau (14), can be achieved.
H01J 61/073 - Main electrodes for high-pressure discharge lamps
H01J 61/52 - Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
H01J 61/86 - Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
H01J 65/04 - Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating
50.
COMPONENT FOR A LIDAR SENSOR SYSTEM, LIDAR SENSOR SYSTEM, LIDAR SENSOR DEVICE, METHOD FOR A LIDAR SENSOR SYSTEM AND METHOD FOR A LIDAR SENSOR DEVICE
The present disclosure relates to various embodiments of an optical component (5100) for a LIDAR Sensor System (10). The optical component (5100) includes a first photo diode (5110) implementing a LIDAR sensor pixel in a first semiconductor structure and configured to absorb received light in a first wavelength region, a second photo diode (5120) implementing a camera sensor pixel in a second semiconductor structure over the first semiconductor structure and configured to absorb received light in a second wavelength region, and an interconnect layer (5114) (e.g. arranged between the first semiconductor structure and the second semiconductor structure) including an electrically conductive structure configured to electrically contact the second photo diode (5120). The received light of the second wavelength region has a shorter wavelength than the received light of the first wavelength region.
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
G01S 7/4863 - Detector arrays, e.g. charge-transfer gates
G01S 7/4914 - Detector arrays, e.g. charge-transfer gates
G01S 17/10 - Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 17/36 - Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
G01S 17/86 - Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
G01S 17/894 - 3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
The present disclosure relates to different techniques of controlling an agricultural system, as for example a controlled agricultural system, an agricultural light fixture and a method for agricultural management. Furthermore, the disclosure relates to an agricultural system, which comprises a plurality of processing lines for growing plants of a given plant type, wherein a first processing line in the plurality of processing lines is configured to move a first plurality of plants through the agricultural system along a route; and apply a first growth condition to the first plurality of plants to satisfy a first active agent parameter for the first plurality of plants.
G06F 17/30 - Information retrieval; Database structures therefor
G06F 7/00 - Methods or arrangements for processing data by operating upon the order or content of the data handled
G06F 9/44 - Arrangements for executing specific programs
G06F 15/16 - Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
H04L 29/06 - Communication control; Communication processing characterised by a protocol
The invention relates to a method for locating at least one light or a unit connected in position thereto, wherein a position reference is specified and the signal strength of a transmitter, which is formed as part of the light or the unit connected in position thereto or of a mobile device, is determined. Upon exceeding a predetermined signal strength value, an identification reference of the light or of the unit connected in position thereto is transmitted to a receiver, in particular a mobile device. The identification reference of the light or of the unit connected in position thereto is stored in the position reference. Preferably, the steps of determining the signal strength, transmitting the identification reference and storing the identification reference in the position reference are repeated until all lights to be located or units connected in position thereto are detected.
The invention relates to a system (20) for providing a wireless network, the system comprising a plurality of wireless access points (10, 10'), each of which provides access to the wireless network for a delimited spatial area in a building (1, 1') or in a physical structure. At least one spatial zone controller (14, 18) is also provided which is connected to at least some of the wireless access points and is designed to receive, via the wireless access points connected to said controller, device information regarding a terminal (32) logging into the network and/or regarding an external wireless access point, and to determine the spatial position of the terminal (32) in question and/or of the external wireless access point in or close to the building (1) or the physical structure on the basis of an association with one or more of the connected wireless access points. In addition, a central security controller (24) is provided which is connected to the spatial zone controller (14, 18) and provides an access control list (ACL), wherein the access control list determines a network access restriction depending on device information and spatial positions. The spatial zone controller (14, 18) is designed to compare the received device information and the determined spatial position with the access control list (ACL) in order to ascertain a corresponding network access restriction for the logging-in terminal (32) and/or the external wireless access point, and, depending on the result, to prevent the logging-in terminal and/or the external wireless access point from accessing the network.
H04W 48/04 - Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction or speed
54.
IMAGE DISPLAYING DEVICE AND METHOD FOR DISPLAYING AN IMAGE ON A SCREEN
In in various embodiments an image-displaying device (50) is provided, comprising a micro-LED-array (22) having several LEDs (40), a controller (35) electrically connected to the micro-LED-array (22) for driving the LEDs (40) such that they emit light, and a lens-array (52) having several lenses (54), wherein each lens (54) is assigned to one of the LEDs (40), each lens (54) is arranged in the light path of the light emitted by the corresponding LED (40) such that the light emitted by the LEDs (40) passes through the corresponding lens (54) and is projected onto a screen (34), and the lens-array (52) is configured such that, when seen from the screen (34), a virtual image (56) of the LEDs (40) is formed behind the micro-LED-array (22).
A horticultural luminaire includes a first and second horticultural light sources to provide growth lighting to a plant at a first and second wavelengths. A control unit provides first lighting control signals to the first horticultural light source to modulate the first growth lighting and provides second lighting control signals to the second horticultural light source to modulate the second growth lighting. A LiDAR sensor is connected to the lighting control unit to receive the first and second control signals, and having optics to detect reflected first and second growth lighting to determine the distance from plant to sensor and a biometric property of the plant from the received first and second control signals and detected first and second reflected second growth lighting. In some implementations the LiDAR sensor and first and second horticultural light sources are integrated into the horticultural luminaire.
A method for determining a distance (d) and a reflectivity of an object surface (14) using a laser source (10) that emits light (12) at a certain power and using a detector (16) that detects a level of irradiance of light (18) reflected by or scattered back from the object surface (14) and that outputs a time-dependent voltage signal on the basis thereof comprises: setting (100, 110, 220, 230, 240) the laser source (10) so that the latter emits light (12) at a specified first value of power in at least one pulse, setting (100, 110) the detector (16) so that the latter outputs a first voltage signal with a specified second value for a gain factor on the basis of the level of irradiance of the detected reflected or back-scattered light (18), determining (120, 260) a first value for the distance of the object surface (14) from a measured light time-of-flight (ToF) assigned to the first voltage signal, adapting (130, 150 220) the first value of the power of the laser source (10) and/or the second value of the gain factor of the detector (16) on the basis of the determined first value for the distance (d), emitting (110, 240) light (12) again using the laser source (10) and detecting the reflected or back-scattered light (18) by the detector (16) and outputting a corresponding second voltage signal using the adapted first and/or second value, determining (120, 260) a second value for the distance (d) of the object surface from a measured light time-of-flight (ToF) assigned to the second voltage signal.
The invention relates to a method for machine-based training of a computer-implemented network for common detecting, tracking and classifying of at least one object in a video image sequence having a plurality of successive individual images. A combined error is determined during the training, which error results from the errors of the determining of the class identification vector, the determining of the at least one identification vector, the determining of the specific bounding box regression, and the determining of the inter-frame regression.
The invention relates to a distance-measuring unit (1) for measuring, on the basis of a signal time-of-flight, a distance to an object (10) situated in a detection field (9), comprising an emitter unit (2) for emitting laser pulses (7), an optical unit (4), by which the emitter unit (2) is linked to the detection field (9), i.e. by which, during operation, the laser pulses are guided into the detection field (9), and a receiving unit (3) having a sensitive sensor surface (3.1) for receiving laser pulses reflected by the object (10), i.e. returning echo pulses (11), wherein the receiving unit (3) is linked to the detection field (9) via the same optical unit (4) as the emitter unit (2), i.e., during operation, the echo pulses (11) are guided from the detection field (9) through the optical unit (4) onto the sensor surface (3.1).
Disclosed is a light fixture (1) comprising a circuit board (2) having at least one light source (4). At least some areas of the rear face (16) of the circuit board (2) are covered by solder resist (24), and the rear face (16) of the circuit board (2) comprises at least one heat dissipating subarea (18) to which no solder resist (24) is applied.
The present invention relates to a distance-measuring unit (1) for measuring a detection field on the basis of a signal time-of-flight, comprising the following components: i.) an emitter unit (2) for emitting laser pulses (3.1-3.6); ii.) an optical unit (4) for guiding the laser pulses (3.1-3.6) into different solid angle segments (20.1-20.3); iii.) a sensor unit (6) for receiving echo pulses (10.1-10.39) from the solid angle segments (20.1-20.3); iv.) a logic unit (30) which is configured to read out the sensor unit (6); wherein at least the components according to points i.) to iii.) are arranged on a common substrate (12).
A method for manufacturing a light-emitting device is provided. The method involves: producing a support (102) having at least one conductor track (104, 114, 124) on a surface of the support (102); producing a reflective coating (106) directly on the at least one conductor track (104, 114, 124) by means of a film transfer method such that the conductor track (104, 114, 124) is substantially covered by the reflective coating (106); and arranging a light-emitting component (108) on or above the reflective coating (106), wherein the light-emitting component (108) is electrically conductively connected to the at least one conductor track (104, 114, 124).
maxmaxmax) of light sensors (40, 42), which are to be assigned to the lighting groups (30, 32) and by means of which the respective luminous flux is regulated. The method has the step of: switching (230, 280) the lighting of the lighting system to a first switch state such that a first lighting group (30) emits light with a specified luminous flux and to a second switch state such that the first lighting group (30) does not emit light or only emits a small amount of light, wherein in the first and second switch state, the respective light density of light (6) reflected in the room by a reference surface (20, 22) assigned to the respective light sensors (40, 42) is measured using the light sensors in order to detect (240, 290) a respective first measurement value (S1) in the first switch state and a second measurement value (S2) in the second switch state. A differential value (D) is formed (330) from the first and the second measurement value for each of the light sensors (40, 42), and the differential values (D) formed for each of the light sensors (40, 42) are compared (340) among one another. At least one of the light sensors (40, 42) is assigned (380) to the first lighting group (30) on the basis of the result of the comparison (340). The first lighting group (30) can be regulated at a constant light intensity on the incident reference surface with good optical coupling in a control loop using the measurement values continuously detected by at least the assigned light sensor (40) during a normal operation.
Embodiments of the invention relate to an actuator (10) for providing a lighting curve. The actuator (10) comprises at least one lighting element (11) which is designed to provide at least one portion of a lighting curve. The actuator (10) further comprises at least one coupling-in structure (12) which, in a correct use position, is at least partially arranged in a field of view of a user of the actuator (10). The lighting element (11) is designed and arranged to couple at least one light beam into the coupling-in structure (12), wherein the coupling-in structure (12) is designed and arranged to couple the light beam out of the coupling-in structure (12) towards an eye of a user who is wearing the actuator (10) in a correct use position.
An array (10) of LED light radiation generators arranged on a substrate (12) comprises a cluster (14, 16) of LED light radiation generators (RB, CY, AQ, GR, DR, PCL, PGA) configured to emit light radiation at different emission wavelength ranges. The cluster (14, 16) of LED light radiation generators comprises both direct-emitting LED light radiation generators (RB, CY, AQ, GR, DR) and phosphor-converted LED light radiation generators (PCL, PGA), these generators being individually controllable (C) to vary the intensity of the light radiation emitted thereby. The number of LED light radiation generators in the cluster (14, 16) is greater than the number of the different emission wavelength ranges, so that the cluster (14, 16) comprises : i) first LED light radiation generators (RB, CY, AQ, GR), each of said first LED light radiation generators being the only one to emit light radiation at a certain emission wavelength range, and - ii) second LED light radiation generators (DR, PCL, PGA), each second LED light radiation generator having at least one homologous second LED light radiation generator in the cluster (14, 16) that emits light radiation at a respective common emission wavelength range.
main)main) for supplying an operation voltage potential to a first output terminal portion (34a), a control device (50') for generating a pulse width modulation signal, and an electronic switch (40) coupled to the control device (50') and configured to obtain the pulse width modulation signal and arranged to connect and disconnect a second output terminal portion (34b) to/from a reference potential in accordance with the pulse width modulation signal, such as to supply a pulse width modulated voltage to the output terminal (34). A pulse shaping unit (70) is coupled to the control device (50') and configured to store electrical energy, when the electronic switch disconnects the second output terminal portion (34b) from the reference potential, and to release the stored electrical energy to the output terminal (34), when the electronic switch (40) connects the second output terminal portion (34b) with the reference potential.
A tracking system for tracking objects within a field of view is proposed. The field of view includes a first zone (A1) and an adjacent zone (A0) of interest, wherein at least two gates (G1, G2) are associated with respective sides of the first zone (A1) within the field of view. The first camera (C1) is adapted to detect when an object crosses one of the at least two gates and track the object throughout the first zone (A1) and the zone (A0) of interest; wherein the tracking system is adapted to generate a first event message (ES1) in response to the object being tracked from one of the gates into the zone (A0) of interest and subsequently leaving the first zone through a dedicated gate (G1) of the at least two gates.
Techniques are disclosed for detecting human presence and tracking motion within a given area using light reflections. Activity is detected by receiving light encoded with source-identifying data reflected from the area and sensing changes, caused by human presence in the area, from a previously established baseline in the light reflection profile for the area. The baseline is updated over time based on human movement and/or as the area changes. Location-indicative changes in the current baseline that are greater than a certain threshold indicate a change in occupancy state of that location. In some embodiments, lightguides are used to define a specific field-of-view for the sensors. The combination of a known field-of-view and a known source of reflected light allows location of each occupant's activity to be tracked within the area. Occupancy can be detected or inferred based on activity tracked entering the area followed by lack of an exit event.
G01S 17/02 - Systems using the reflection of electromagnetic waves other than radio waves
G01S 17/50 - Systems of measurement based on relative movement of target
G08B 13/18 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
68.
AUTOMATED LUMINAIRE COMMISSIONING USING COMPUTER VISION AND LIGHT-BASED COMMUNICATIONS
Aspects of the present disclosure include systems and methods for automated luminaire commissioning using computer vision and light-based communications ("LCom"). In some examples, locations of an installation of luminaires can be measured and recorded with a mobile commissioning device equipped with an image capture device and image processing and simultaneous localization and mapping software.
The invention relates to an LED arrangement (22) comprising two current connection regions (20a, 20b) arranged on a substrate (16), a plurality of LED groups (24) comprising LEDs (10), each having a first and a second LED contact region (12, 14). The LED arrangement (22) additionally comprises a plurality of electrically conductive coating regions (18), which are arranged in a manner spatially separated from one another on the substrate (16) and are subdivided in each case into a contact region (18a) and a transition region (18b), wherein the second current connection region (20b) constitutes one of the transition regions (18b), wherein each LED group (24) is arranged on exactly one assigned coating region (18), wherein one of the current connection regions (20a) is electrically conductively connected to a second LED contact region (14) of one of the LEDs (10) arranged at the edge region (26), and wherein, apart from the other current connection region (20b), a relevant transition region (18b) is electrically conductively connected to a second LED contact region (14) of one of the LEDs (10) of an adjacent LED group (24) which are arranged at the edge region (26), with the result that the plurality of LED groups (24) are connected in series.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
70.
OPTOELECTRONIC ASSEMBLY AND METHOD FOR PRODUCING AN OPTOELECTRONIC ASSEMBLY
The invention relates to various exemplary embodiments of an optoelectronic assembly (20), comprising: a substrate (22) which has at least one conductor track (32) and a contact surface (34), which is electrically conductively connected to the conductor track (32); at least one optoelectronic component (24), which is arranged on the substrate (22) and which is electrically connected to the conductor track (32); and an encapsulation (26), which encapsulates the optoelectronic component (24), wherein the contact surface (34) is free of the encapsulation (26); at least one electric conductor (30), which is electrically conductively connected to the contact surface (34) to make electric contact with the optoelectronic component (24), which conductor is electrically insulated from the contact surface (34) at a distance by means of insulation (38) and, in the region of the contact surface (34), is free of the insulation (38); and a seal (28), which rests in a sealing manner on the encapsulation (26), the contact surface (34) and the insulation (38) of the electric conductor (30) and which embeds the contact surface (34) and the non-insulated region of the electric conductor (30) in a sealing manner, wherein the encapsulation (26), the seal (28) and the insulation (38) of the electric conductor (30) are integrally connected directly to one another.
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
71.
LIGHTING DEVICES WITH AUTOMATIC LIGHTING ADJUSTMENT
Lighting systems and associated controls that can provide active control of lighting device settings, such as on/off, color, intensity, focal length, beam location, beam size and beam shape. In some examples, lighting systems may include eye tracking technology and sensor feedback for one or more lighting device settings and may be configured with depth perception and cavity or incision recognition capability through image or video processing.
The invention relates to a passive matrix LED screen module (1), comprising n > 1 first electrical lines (ROW_i), which are connected to respective first switches (Qi), m > 1 second electrical lines (COL_j), which are connected to respective second switches, and at least n · m LED light sources (LED_i,j), wherein each of the LED light sources is connected on the anode side to a first line (ROW_i) and on the cathode side to a second line, each of the first switches is designed as a push-pull switch, which has a first terminal for connecting to an LED supply voltage (VLED), a second terminal for connecting to an adjustable discharge potential (Vout), a third terminal (QIN) for receiving a switching signal (ROWSEL_i) and a fourth terminal for connecting to the associated first line, each of the second switches enables a current flow to a reference potential in the switched state, and the second terminals of the push-pull switches are jointly connected to an output voltage terminal (T_V) of an adjustable voltage source (AVS). A passive matrix LED screen module has a plurality of passive matrix LED screen modules (1) arranged adjacent to each other.
G09G 3/3216 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using a passive matrix
G09G 3/3266 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] - Details of drivers for scan electrodes
H03K 17/693 - Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
73.
A METHOD OF MEASURING ILLUMINATION, CORRESPONDING SYSTEM, COMPUTER PROGRAM PRODUCT AND USE
The invention relates to an electrode (10, 10a, 10b) for a discharge lamp (12), wherein the electrode (10, 10a, 10b) has a base body (14) having an electrode plateau (16) providing an end face of the electrode (10, 10a, 10b), wherein the base body (14) is delimited by the electrode plateau (16) in a longitudinal extension direction (L) of the electrode (10, 10a, 10b). Furthermore, the electrode (10, 10a, 10b) has a coating (20), arranged in at least a first region (18) of the base body (14) that is different from the electrode plateau (16), to increase an emission of heat. In addition, the electrode (10, 10a, 10b) has an at least partially contiguous free region (22) of the base body (14) extending at least partly in the longitudinal extension direction (L) as far as the electrode plateau (16), in which the coating (20) for increasing the emission of heat is not arranged, and wherein the first region (18) adjoins at least one section of the free region (22) in the circumferential direction of the electrode (10, 10a, 10b).
Multi-COB-LED lighting module (1) comprising a submount (2), a plurality of clusters of LED-chips which are adapted to emit light radiation in respective emission bands, each LED-chip cluster comprises a plurality of LED-chips (4) that are arranged on the submount (2) by means of a chip on board technology. At least two LED-chips (4) of at least a first LED-chip cluster each borders with a plurality of LED-chips (4) belonging to one or more clusters of LED-chips different from the first LED-chip cluster and are connected one to the other by at least a wire bond (5), which extends above one or more of the adjoining LED- chips (4).
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
76.
METHODS OF CONTROLLING LIGHTING SYSTEMS FOR LIGHT RELATED HEALTH AND SYSTEMS INCORPORATING THE SAME
Methods and systems are described that enable the simultaneous control of lux, correlated color temperature (CCT), and circadian light (CL) emitted by a lighting system. Aspects also include methods for the adjusting the lux, CCT, and CL with respect to the needs and/or desires of a user, including to provide optimal lighting for light related health. Aspects of the present disclosure also include user interfaces for the simultaneous knowledge and control of lux, CCT, and CL.
Multi-COB-LED lighting module (1) comprising: a submount (2), a plurality of clusters of LED-chips adapted to emit light radiation in respective emission bands. Each LED-chip cluster comprises a plurality of LED-chips (4) which are placed on the submount (2) by means of a chip on board technology and are adapted to emit light radiation in respective emission bands. The LED-chips (4) of the same LED-chip cluster being mutually clustered in order to form at least two adjoining LED-chip lines on the submount (2).At least an LED-chip cluster adapted to emit light radiation in a first emission band adjoins at least three clusters of LED- chips adapted to emit light radiation in emission bands different from the first emission band.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
The present invention relates to a distance-measuring unit (1) for measuring, on the basis of a signal time-of-flight, a distance to an object (3) situated in a detection field, comprising an emitter unit (30) for emitting pulses (6) in the form of electromagnetic radiation, a receiver unit (20) comprising a sensitive sensor area (23a) for receiving the electromagnetic radiation after a distance-dependent time-of-flight, i.e., for receiving echo pulses (7), and comprising a mirror unit (21) disposed upstream of the sensitive sensor area (23a), wherein the receiver unit (20) is designed for solid-angle-sensitive detection, specifically wherein the detection field (4) is subdivided into a plurality of receiver solid angle segments (5a), wherein the receiver solid angle segments (5a) are associated with the same sensitive sensor area (23a) via the mirror unit (21), to be precise by virtue of an echo pulse (7) incident on the mirror unit (21) from a respective receiver solid angle segment (5aa, ab) only being reflected onto the sensitive sensor area (23a) in a respectively fitting tilt state of the mirror unit (21).
Disclosed herein are embodiments of an occupancy monitoring system. The occupancy monitoring system includes a thermal sensor configured to monitor a gate (e.g., entry way) to a space. The thermal sensor includes a pixel array that generates a pixel value for each pixel in the pixel array, and the pixel value corresponds to a quantity of heat or thermal information detected by a pixel. The occupancy monitoring system acquires pixel values for the pixels of the pixel array. The occupancy monitoring system determines whether there is a change in occupancy of the space based on changes to a first region (or first pixel cluster) of the pixel array and a second region (or second pixel cluster) of the pixel array over time. The occupancy monitoring system may adjust lighting, temperature, and/or security systems for the space as the occupancy changes.
The invention relates to a method for operating a transmitter device (12) which emits in a wireless fashion a radio signal (14) with identification data (16) and reference data (18) which are specific to the transmitter device (12), wherein the transmitter device (12) emits the radio signal (14) with signal properties which are at least partially dependent on the reference data (18), in order to permit a communication device (20) which receives the radio signal (14) to determine a distance (22) between the transmitter device (12) and the communication device (20) using reception-side signal properties and the reference data (18) determined from the received radio signal (14), wherein in order to calibrate the transmitter device (12) the distance (22) between the transmitter device (12) and the communication device (20) is detected independently of the radio signal (14), the reference data (18) are determined in dependence on the reception-side signal properties of the radio signal (14) and the detected distance (22), and the determined reference data (18) are made available in the transmitter device (12) for calibrating said transmitter device (12).
G01S 1/02 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
The invention relates to a method for operating a transmission device in connection with a communication unit (20), in which: - a transmission device (12) wirelessly transmits a radio signal (14) comprising identification data (16) specific to the transmission device (12) via at least two radio channels, and a communication unit (20) receives the radio signal (14), ascertains and evaluates reception-side signal properties of the radio signal (14) and the specific identification data (16) contained in the received radio signal (14), wherein the transmission device (12) transmits the radio signal (14) which is transmitted via the respective one of the at least two radio channels and having channel data regarding said respective one of the at least two radio channels and/or - a transmission power of the radio signal (14) which is transmitted via the respective one of the at least two radio channels is adjusted depending on transmission properties of the respective radio channel.
H04W 4/02 - Services making use of location information
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
82.
BUSBAR SYSTEM AND BUSBAR ASSEMBLY FOR DATA TRANSMISSION
A busbar system for data transmission comprises: - a busbar (102) extending longitudinally in a main direction of extension (101), - two lines (104, 105) extending in the main direction of extension (101) which are held by the busbar (102) and which are suitable for the transmission of data signals, - a data injection device (106), comprising a data input (107), which can be signal-connected to a data network (108), and a data output (109), which can be connected to the two lines (104, 105), wherein the data injection device (106) is designed to inject a data signal into the two lines (104, 105) at a data transfer rate of at least 10 megabits per second to transmit the data signal along the busbar (102) at said data transfer rate by means of the two lines (104, 105).
A headlamp (100) is provided in various embodiments, said headlamp comprising: a multiplicity of light sources (104, 106) arranged in a matrix arrangement, and wherein a light source (104, 106) of the multiplicity of light sources (104, 106) in each case comprises a light-emitting diode (108, 110, 204, 206, 502, 504, 706, 802, 804, 808, 1002) and a lens system arranged in the beam path of the light-emitting diode (108, 110, 204, 206, 502, 504, 706, 802, 804, 808, 1002), wherein the lens system comprises a holding structure (112) and at least a first lens (114, 118, 506) and a second lens (116, 120, 508), wherein the first lens (114, 118, 506) and the second lens (116, 120, 508) are arranged in the beam path of the light-emitting diode (108, 110, 204, 206, 502, 504, 706, 802, 804, 808, 1002) by means of the holding structure (112) and are spaced apart from one another, and wherein the second lens (116, 120, 508) differs from the first lens (114, 118, 506).
F21S 41/153 - Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
F21S 41/663 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
F21S 41/20 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
84.
METHOD FOR AUTOMATICALLY CONTROLLING AT LEAST ONE DEVICE OF A BUILDING BY MEANS OF A BUILDING MANAGEMENT SYSTEM, AND BUILDING MANAGEMENT SYSTEM
The invention relates to a method for automatically controlling at least one device (18) of a building (10) by means of a building management system (12). In a learning phase (LP) at least one user (B, B1, B2, B3, B4) of the building (10) is identified on the basis of at least one detected first user characteristic (C1), at least one control input (SE), which is carried out by the at least one user (B, B1, B2, B3, B4) to control the at least one device (18), is detected whilst the at least one identified user (B, B1, B2, B3, B4) is in the building (10) and, in accordance with the at least one detected control input (SE) of the at least one identified user (B, B1, B2, B3, B4), the building management system (12) determines control rules (R1) which are associated with the at least one identified user (B, B1, B2, B3, B4) and according to which the at least one device (18) of the building (10) is controlled automatically in a second phase (AP) of the building management system (12) whilst the at least one user (B, B1, B2, B3, B4) is in the building (10).
The present disclosure relates to the control of an agricultural system, for example, control of a growth area (350) having a plurality of growth locations (404) for growing a plants, wherein a distance between the growth locations (404) is adjustable. Furthermore, the disclosure relates to a method for agriculture.
The invention relates to garment comprising at least one radiation source via which radiation can be emitted. Said radiation source is advantageously arranged in an electric circuit. Said electric circuit can be connected to an electric circuit of a vehicle via inductive coupling. The radiation source can be activated and/or supplied with energy via the inductive coupling.
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
A41D 13/01 - Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with reflective or luminous safety means
G08B 5/00 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
The invention relates to a luminaire module having at least one light source. The luminaire module allows for at least two different lighting functions and the respective lighting function can be initially selected by means of a selector.
A vehicle headlight (3) has at least one micromirror array (4) having a plurality of individually adjustable micromirrors (5) and a light-generating device (6) for irradiating the at least one micromirror array (4) with white light (W) and with coloured light (B), wherein the vehicle headlight (3) can be operated in a chronologically separated fashion in an illumination mode and in an information mode within an eye integration time (tA), and the vehicle headlight (3) is configured in the illumination mode to irradiate the micromirror array (4) only with the white light (W) and the micromirrors (5) are adjusted in such way that the vehicle headlight (3) projects a first light pattern (L1), and the vehicle headlight (3) is configured in the information made to irradiate the micromirror array (4) only with coloured light (B), and the micromirrors (5) are adjusted in such a way that the headlight (3) a second light pattern (L2). A headlight system (2) has at least one vehicle headlight (3) and a decision logic (11) which is coupled thereto, wherein the decision logic (11) is coupled to at least one data source (12).
B60Q 1/08 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
F21S 41/675 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
89.
A LIGHTING DEVICE AND A METHOD OF DISTRIBUTING LIGHT RADIATION SOURCES
A lighting device (18), e.g. for horticulture applications, comprises a planar array (180, 181, 182) of electrically-powered light radiation sources, e.g. LEDs, partitioned into a plurality of sets of light radiation sources. The light radiation sources of the same set emit light radiation of the same colour, and different sets of radiation sources emit light radiation of different colours (e.g. red, blue, deep red, white). The array (18) comprises a total number of light radiation sources with each one of the different sets of light radiation sources comprising a respective fraction of the total number of light radiation sources in the array (18). The light radiation sources have respective planar coordinates relative to a common centre (0) of the array (18), and the different sets of light radiation sources have respective centres located at the common centre (0) of the array (18). The array (18) comprises at least two complementary sub-arrays (181, 182), opposite to the common centre (0). The different sets of radiation sources are present in the sub-arrays (181, 182) in respective partial fractions of the number of radiation sources included in the sub-array. For each of the different sets, the respective partial fractions in the sub-arrays (181, 182) reflect (i.e. they are substantially equal to) the respective fraction of the total number of light radiation sources in the array the respective fraction of the total number of light radiation sources in the array (18).
According to the invention, a distance detection system is provided, by which electromagnetic measurement pulses can be emitted and received. A design and/or a sequence and/or a number of the emitted measurement pulses, in particular during a total measurement duration, is in this case varied.
The present invention relates to optoelectronic components (1) for horticulture, comprising a carrier body (2), at least one semiconductor light source (3) and a covering body which is formed as an asymmetrical lens (4) and is arranged above the at least one semiconductor light source (3). The invention also relates to a component composite thereof.
Aspects of the present disclosure include arrays of motion sensors that may be used to monitor a space to determine occupancy characteristics of the space, such as whether or not the space is occupied and the number of people located within the space. The array of motion sensors may be operatively connected to one or more building system components, such as lighting and HVAC equipment and can be used for adjusting an operating condition of the building system component based on whether a space is occupied.
G08B 13/191 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using pyroelectric sensor means
93.
LIDAR SYSTEM FOR SURROUNDINGS DETECTION AND METHOD FOR OPERATING A LIDAR SYSTEM
The invention relates to a LIDAR system (10) for surroundings detection which is designed to repeatedly carry out measurements in order to detect the surroundings, wherein the lidar system (10) has an emission unit (12) which is designed to emit at least one light beam in order to carry out a measurement, wherein the lidar system (10) has a detection unit (14) which is designed to detect a beam portion reflected during a measurement, wherein the lidar system (10) has a control device (16) which is designed to associate, if at least one reflected beam portion is detected, a solid angle range (Ω1, Ω2, Ω3) with the detected beam portion on the basis of a predetermined association (ZI). Furthermore, the lidar system (10) has at least one movable component (18, 22, 28, 20, 32, 34) and an actuator which is designed to move the components (18, 22, 28, 20, 32, 34) from a first position (PI) into at least one second position (P2) which is different from the first position (P1), wherein, if the components (18, 22, 28, 20, 32, 34) are situated in the second position (P2), the association (Z2) is modified in a predetermined way.
The invention relates to a method for operating a LIDAR sensor (10), the LIDAR sensor (10) emitting a measurement beam (13) with a predetermined radiant power (P) for detecting at least one object (14) in a surroundings (16) of the LIDAR sensor (10). A control device (20) of the LIDAR sensor (10) controls the radiant power (P) of the measurement beam (13) depending on at least one situation parameter (S).
G01S 17/10 - Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 17/42 - Simultaneous measurement of distance and other coordinates
G01S 17/93 - Lidar systems, specially adapted for specific applications for anti-collision purposes
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 7/48 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
The invention relates to a method for operating a sensor arrangement (22) comprising a first LIDAR sensor (24) and at least one second LIDAR sensor (26), wherein the first LIDAR sensor (24) and the second LIDAR sensor (26) each repeatedly carry out respective measurements, wherein the measurements of the first LIDAR sensor (24) are carried out in respective first measuring time windows (M1), at the beginning of which a first measurement beam (28a) is emitted by the first LIDAR sensor (24) and a check is made as to whether at least one reflected beam portion (28a') of the first measurement beam (28) is detected within the respective first measuring time window (M1); and wherein the measurements of the at least one second LIDAR sensor (26) are carried out in respective second measuring time windows (M2), at the beginning of which a second measurement beam (30a) is emitted by the at least one second LIDAR sensor (26) and a check is made as to whether at least one reflected beam portion (30a') of the second measurement beam (30a) is detected within the respective second measuring time windows (M2). The first and the at least one second LIDAR sensor (26) are operated in a synchronized manner in such a way that the first measuring time windows (M1) and the second measuring time windows (M2) do not overlap temporally.
HEADLIGHT HAVING A CONVERSION LUMINAIRE, A VEHICLE THEREWITH, CONTROL METHOD THEREFOR, AND VEHICLE HAVING AT LEAST ONE SUCH HEADLIGHT, AND DEVICE AND METHOD FOR MEASURING A CONVERSION LUMINAIRE
The invention relates to a device for measuring a conversion luminaire (2), comprising at least one radiation source (4), and a converter (6) separate thereto for converting a primary radiation emitted by the radiation source (4) to a conversion radiation, having a supplier (8) that is designed to supply a radiation source (4) with energy, a displacement unit (10) that is designed for setting a distance between a radiation source (4) and a converter (6), and a measuring device (20) that is designed for measuring at least one property of a converter (6).
The invention relates to a method (S0-S3) for controlling at least one wireless network access point (1, 2) installed in a building (G), in which method an activated network access point (1, 2) remains activated when the network access point (1, 2) is connected to a wireless communication unit (K) (S0, S1) and/or a person (P) is detected by means of one of the groups of presence detectors (5-7), associated with the network access point (1, 2), of a lighting system of the building (G) (S0, S2); otherwise the network access point (1, 2) is automatically deactivated (S3); a deactivated network access point (1, 2) is automatically activated (S0) when a person (P) is detected by the group of presence detectors (5-7) (S2). A building infrastructure (G1; G2) of a building (G) comprises a lighting system having at least one group of presence detectors (5-7) for detecting the presence of a person (P) and at least one wireless network access point (1, 2) associated with the group of presence detectors (5-7), the building infrastructure (G1; G2) being designed to carry out the method.
An assessment device for a lighting system, the device comprising: an input terminal which corresponds to an output terminal of a driver; an output terminal l which corresponds to an input terminal of a light engine; a voltage regulator configured to provide power to the microcontroller, wherein the microcontroller is configured to sample an LED+ line voltage and an LED- line voltage with respect to a ground; and wherein the device is independent of the driver and the light engine.
A controller for accessing a network of lighting system devices, the controller comprising: a communication subsystem configured to allow the controller to be identified as a node on the network, and to communicate according to a first protocol with at least one of said lighting system devices on the network; wherein the controller is configured to detect the presence of a Master lighting system device on the network via the first protocol; wherein the controller is configured to assume a role based on the detection.
The invention relates to a method for operating a LIDAR sensor (12), which repeatedly performs measurements in respective measurement time frames (M), at the start of which at least one measurement light pulse (A) having at least one predefined wavelength is emitted by the LIDAR sensor (12), it being checked whether a light pulse (A') having the at least one predefined wavelength is sensed by the LIDAR sensor (12) within the measurement time frame (M). A time interval (D1, D2, D3) between two consecutive measurement time frames (M) is varied.
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