One example of an internet protocol (IP) keyboard, video, mouse (KVM) device includes a universal serial bus, a display port, a network port, and a processor. The USB port is to be communicatively coupled to a host device. The display port is to be communicatively coupled to the host device. The network port is to be communicatively coupled to a network. The processor is communicatively coupled to the USB port, the display port, and the network port. The processor is to receive, via the display port, a multi-stream transport (MST) DisplayPort signal; demux the MST DisplayPort signal to provide a plurality of individual video streams; and output, via the network port, each individual video stream.
G06F 3/023 - Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
In an example, an apparatus is described. The apparatus comprises processing circuitry comprising a control module. The control module determines whether a computing device communicatively coupled to the control module is in a specified state for executing a machine learning model controlled by a third party entity. In response to determining that the computing device is in the specified state, the control module is to send, to an attestation module in a data processing pipeline associated with the computing device, an indication that the computing device is in the specified state.
In some examples, a non-transitory computer-readable medium stores executable code, which, when executed by a processor, causes the processor to receive a video of at least part of a human torso, use a neural network to produce multiple vector fields based on the video, the multiple vector fields representing movement of the human torso, and determine a respiration rate of the human torso using the multiple vector fields.
A61B 5/08 - Measuring devices for evaluating the respiratory organs
A61B 5/113 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb occurring during breathing
A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
G06V 40/20 - Movements or behaviour, e.g. gesture recognition
G06V 40/10 - Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
G06V 10/26 - Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
The present disclosure describes a computing device to encrypt content with a data encryption key (DEK), split the DEK into a first DEK portion and a second DEK portion, upload encrypted content to a public database, provide the first DEK portion to a first type of device and the second DEK portion to a second type of device, and allow the second type of device to provide the second DEK portion to the first type of device when the first type of device is authorized to decrypt the content utilizing the first DEK portion and the second DEK portion.
In one example in accordance with the present disclosure, an integrated circuit device is described. The integrated circuit device includes an integrated circuit die that includes a first surface and a second surface. A first electrical contact is disposed on the first surface of the integrated circuit die and a second electrical contact is disposed on the second surface of the integrated circuit die.
In an example a method comprises operating, by a processor, on a first quantity that is proportional to a side of a parallelogram printed, at least in part, on a substrate by a fluidic die, the side of the parallelogram being substantially perpendicular to the direction of advancement of the substrate. The method further comprises operating, by a processor, on a second quantity and a third quantity, the second and third quantities respectively being proportional to the length of the lines bisecting the parallelogram. The method comprises calculating, by a processor, an angle that the fluidic die makes with the direction of advancement of the substrate based on the first, second, and third quantities.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
An example image forming apparatus includes an image forming unit to form an image on a print medium, a verification scanning unit to scan a first surface of the print medium on which an image has been formed and to scan a second surface on which no image has been formed, and a processor to determine, based on information on a position of a streak included in a scanned image of the first surface or the second surface, whether the streak has been caused by an image forming unit or the verification scanning unit.
Methods, systems, apparatus, and computer-readable media (transitory or non-transitory) are described herein for inferring psychological states. In various examples, data indicative of a measured affect of an individual may be processed using a regression model to determine a coordinate in a continuous space. The continuous space may be indexed based on a plurality of discrete psychological labels. In a first context, the coordinate in the continuous space may be mapped to one of a first set of the discrete psychological labels associated with the first context. In a second context, the coordinate in the continuous space may be mapped to one of a second set of the discrete psychological labels associated with the second context.
A61B 5/16 - Devices for psychotechnics; Testing reaction times
A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
9.
CONFIGURATION PAGE NOTIFICATION ITEMS BASED ON ENVIRONMENTAL CONDITIONS
According to examples, an apparatus may include a processor that may receive an environmental condition detected at an electronic device and may determine whether the received environmental condition is outside of a predefined threshold range for the electronic device. The processor may, based on a determination that the received environmental condition is outside of the predefined threshold range for the electronic device, generate a notification item in a configuration page of the electronic device indicating that the electronic device has operated in an environmental condition that is outside of the predefined threshold range for the electronic device. The processor may also store the generated notification item in the configuration page of the electronic device, in which a service agent of the electronic device is to access the notification item in the configuration page stored in the electronic device.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
G01D 1/18 - Measuring arrangements giving results other than momentary value of variable, of general application with arrangements for signalling that a predetermined value of an unspecified parameter has been exceeded
An example non-transitory computer readable storage medium comprising instructions that when executed cause a processor of a computing device to: in response to a trigger of a system management mode (SMM), verify all processor threads have been pulled into the SMM; in response to a successful verification, enable write access to a non-volatile memory of the computing device via two registers, where the writing access is disabled upon booting of the computing device; and upon exiting the SMM, disable the write access via the two registers.
An example fixing belt includes a heat generating layer. The heat generating layer contains a resin component and spherical graphite particles dispersed in the resin component.
An example head-mounted device includes: a frame to nest the device on a head of a user; a biosensor disposed on the frame, the biosensor to: detect a biological characteristic of the user; generate a signal representing the biological characteristic of the user; and a power management controller coupled to the biosensor, the controller to, when the signal corresponds to a predefined profile, determine that the head-mounted device is in a transitional state and change a power state of the head-mounted device based on the transitional state.
Creating ambient lighting based on a color temperature range may be performed by a computing apparatus storing a non-transitory computer-readable storage medium. The non-transitory computer-readable storage medium may comprise instructions that when executed, cause a processor of the computing apparatus to receive as input, an indication of a target color temperature range for the computing apparatus. The computer-readable storage medium may comprise instructions to compare a measured color temperature on a display of the computing apparatus to the target color temperature range, and using a plurality of color lighting elements communicatively coupled to the computing apparatus, create ambient lighting in an environment surrounding the computing apparatus based on the target color temperature range.
H05B 47/11 - Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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
As example wireless network setup method of an electronic device includes, executing an application for use of an image forming apparatus, wherein the image forming apparatus is connected to a network different from one to which the electronic device is connected, displaying information related to one or more image forming apparatuses stored in the application, receiving a selection of information related to the image forming apparatus through the application, obtaining the information related to the image forming apparatus, and changing a wireless network setting of the electronic device for connection of the electronic device with the image forming apparatus based on wireless network setup information that corresponds to the obtained information related to the image forming device.
One example provides a reconfigurable computing fabric to manage machine learning (ML) processing including a configurable interconnect structure and a number programmable logic blocks each having a configurable set of operations. For each of a number of fabric configurations of the computing fabric, each programmable logic block has a corresponding set of operations and the interconnect structure has a corresponding data path structure to interconnect the programmable logic blocks with one another and with inputs and outputs of the computing fabric. The programmable logic blocks include an input/output block having a set of operations including to provide virtual interfaces to receive external session requests for ML processing from request sources, and an elastic AI/ML processing block having a set of operations including to configure a number of AI/ML engines with a session implementation for each external session request and each of a number of event-driven internal session requests.
The present disclosure includes a three-dimensional printing kit having a fusing agent with from about 75 wt % to about 99 wt % water, and from about 0.1 wt % to about 15 wt % radiation absorber. The three-dimensional printing kit can further include a polymeric build material including polyamide-12 particles, and a liquid oil comprising from about 50 wt % to 100 wt % of a long-chain molecule having a carbon chain of about C12 to about C100.
An example of a kit for three-dimensional (3D) printing includes an ultraviolet (UV) light fusing agent. The ultraviolet (UV) light fusing agent includes an aqueous vehicle and a B vitamin or a B vitamin derivative present in an amount that dissolves in the aqueous vehicle. The aqueous vehicle includes a co-solvent, a surfactant, and water. The B vitamin or the B vitamin derivative has absorption at wavelengths ranging from about 340 nm to about 415 nm.
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
A method comprises: determining, from build data comprising one or more build elements each of which is a representation of a portion of an object of one or more objects to be generated by an additive manufacturing system, a property of at least one build element of the one or more build elements; and determining, based on the property of the at least one build element, whether generating the one or more objects using the build data would result in generating the object with a generation defect.
In an example, a method includes identifying, by processing circuitry, a feature of less than a threshold size of an object to be generated in additive manufacturing. In some examples the method further includes determining, by processing circuitry, a first density of a print agent to be applied to build material when generating the identified feature of the object based on an intended flexibility of the feature of the object. The method may further include determining, by processing circuitry, a second density of print agent to be applied to build material when generating another feature of the object.
A memory structure stores a plurality of color maps, the entity, when decompressed by a printer controller, comprising a plurality of first level wrappers, each first level wrapper including at least one characteristic to identify a corresponding color map, and a recipe to define and locate packets for constructing the color map, the recipe having at least one locator for each second level wrapper; and a plurality of second level wrappers of different types, each second level wrapper wrapping a corresponding packet.
A method to determine a position of an inkable substrate located on a drawing area of an input device is disclosed. The method comprises detecting one or more physical features of the inkable substrate using a sensor that is positionally fixed relative to the drawing area of the input device, and determining, based on the detected physical features of the inkable substrate, a position of the inkable substrate with respect to the drawing area of the input device.
In example implementations, an apparatus is provided. The apparatus includes a video camera to capture images, a proximity sensor to measure a distance of a moving object from the video camera, and a processor communicatively coupled to the video camera and the proximity sensor. The processor is to execute a video call application, detect the moving object within the video images transmitted by the video call application, determine that the moving object is located at a distance greater than a distance threshold, and remove the moving object from the video images transmitted by the video call application in response to the distance of the moving object being located being greater than the distance threshold.
An additive manufacturing method includes: selecting one of a plurality of irradiation modules based on a selected module having a wavelength band tuned for absorption by a fusing agent to be used to form an object by additive manufacture; plugging the selected module into a socket over the build platform; supporting successive, stacked layers of the object being formed on the build platform; using a liquid dispenser mounted on the carriage, selectively dispensing the fusing agent into an uppermost layer of build material in a pattern corresponding to a layer of the object being formed; and fusing the build material by exposing the fusing agent to a first wavelength band from a first irradiation source in the selected module.
B29C 64/291 - Arrangements for irradiation for operating globally, e.g. together with selectively applied activators or inhibitors
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B29C 64/282 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED] of the same type, e.g. using different energy levels
24.
AUTHENTICATION OF CONSUMABLE BY OPENING AND CLOSING OF PARTS
An example image forming apparatus includes a sensor to sense an opening or a closing of a component to access a consumable in the image forming apparatus, a processor, and a memory to store instructions that may be executed by the processor. By executing the instructions, the processor is to confirm an opening/closing history of the component based on a signal sensed by the sensor, as a preset event occurs in the image forming apparatus, and skip performance of an authentication operation on the consumable in a case where the opening/closing history of the component is not detected.
An example device may comprise a molded structure and a dependent device coupled to the molded structure. The molded structure comprises thermo-electric traces and channels. The channels are between ten μm and two hundred μm, or less in one dimension. The dependent device comprises apertures corresponding to the channels and through which fluids, electromagnetic radiation, or a combination thereof is to travel. The dependent device also comprises contacts corresponding to the thermo-electric traces of the molded structure.
Certain examples relate to a method of a method of color prediction in multiple rendering contexts. In one example the method determines a plurality of color prediction models for respective color rendering contexts, each color prediction model mapping between a device dependent color and a rendered color. Measurement data of the rendered color in one said context obtained and mapped to a corrected device color. The corrected device color may be used to predict rendered corrected color for another said context using respective color prediction models.
Hewlett-Packard Development Company, L.P. (Republic of Korea)
Inventor
Go, Minguk
Lee, Horyul
Ichikawa, Yoshihiko
Shim, Yunkyu
Abstract
An example developing device includes a developing roller, a regulation blade to regulate a thickness of a toner layer attached to an outer circumference of the developing roller, a blade bracket for supporting the regulation blade, and an inner duct including an air supply port and extending in a longitudinal direction of the developing roller to form a flow path of air to cool the blade bracket.
An example image forming apparatus includes a hard disk unit including a head unit, and a controller. The controller is to obtain first time information corresponding to the image forming apparatus and usage time information of the image forming apparatus, obtain second time information corresponding to the head unit and driving information of the head unit, and manage a sleep mode of the hard disk unit based on the first time information, the second time information, the usage time information, and the driving information.
An example image forming apparatus includes a main body having a guide frame to guide a toner cartridge on a path for detachment and attachment, a sensor to sense a remaining toner level of the toner cartridge, and a shutter member disposed to move along the guide frame in association with the attachment and detachment of the toner cartridge. In response to separation of the toner cartridge from the guide frame, the shutter member is movable to a first position covering the sensor and, in response to the toner cartridge being mounted on the guide frame, the shutter member is movable to a second position to open the sensor.
In one example, an exhaust hood includes an enclosure having a perimeter defining an exhaust area and a fluid flow path. The fluid flow path includes a perimeter intake slot through which air is sucked into the flow path during an exhaust operation and a flow channel in fluid communication with the perimeter intake slot and configured to carry fluid away from the intake slot and out of the enclosure.
In example implementations, a computing device is provided. The computing device includes an expansion interface, a memory, a controller, and a configuration change module. The expansion interface includes a plurality of slots to connect to a respective add-in card and a re-timer to control an operation of the plurality of slots. The memory is to store a firmware that sets a configuration of the plurality of slots, wherein the re-timer is to control the operation of the plurality of slots in accordance with the configuration set by the firmware. The controller is to control operation of the expansion interface. The configuration change module is to change the configuration of the plurality of slots when a change in a number of connected add-in cards is detected.
In one example in accordance with the present disclosure, an additive manufacturing stage is described. The additive manufacturing stage includes a bed to define a volume where a three-dimensional object is to be formed. The additive manufacturing stage also includes an air-permeable platform on which build material is deposited. A vacuum system draws air resident in the build material down through the air-permeable platform.
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
B22F 10/47 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by structural features
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A memory circuit for a print component including a plurality of I/O pads, including an analog pad, to connect to a plurality of signal paths which communicate operating signals to the print component. The memory circuit includes a controllable selector connected in line with one of the signal paths via the I/O pads, the selector controllable to disconnect the corresponding signal path to the print component, and a memory component to store memory values associated with the print component. A control circuit, in response to a sequence of operating signals received by the I/O pads representing a memory read, to operate the controllable selector to disconnect the signal path to the print component to block the memory read of the print component, and provide an analog signal to the analog pad to provide an analog electrical value at the analog pad representing stored memory values selected by the memory read.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
Certain examples relate to a method of a method of printing an image which comprises determining image data for an image to be printed onto a substrate, the image data comprising application amounts of one or more colorants to be applied to the substrate. A print mode is determined for applying the colorants to the substrate and comprises a plurality of application passes each for applying some of the application amounts of the colorants to the substrate and a drying delay between at least some of the application passes. The duration of the drying delay is dependent on a characteristic of one or more of the colorants or substrate. The image is printed using the image data and the print mode.
An example uniform resource locator (URL) information providing method includes obtaining a text from a document including location information and identifying the location information, transmitting an original URL corresponding to the identified location information to an external apparatus and receiving a shortened URL corresponding to the original URL, generating an optical recognition code corresponding to the received shortened URL and obtaining information related to a content provided from the original URL from the external apparatus based on the original URL, changing the document based on the shortened URL, the optical recognition code, and the information related to the content provided from the original URL, and generating the changed document as page description language data.
In some examples, a fluidic die includes an arrangement of fluidic elements to dispense a fluid, each fluidic element of the fluidic elements including a fluidic actuator and a fluid chamber. An array of fluid feed holes is arranged in a plurality of dimensions to communicate the fluid with the fluidic elements, where each of multiple fluid feed holes along a first dimension of the plurality of dimensions is distinct from multiple fluid feed holes along a second dimension of the plurality of dimensions. The fluidic die includes first circuit elements operable at a first power supply voltage, the first circuit elements interspersed in regions between the fluidic elements along different axes of the fluidic die. The fluidic die includes second circuit elements operable at a second power supply voltage greater than the first power supply voltage, the second circuit elements comprising active devices and placed in a region outside of a boundary defining a space in which the fluidic elements and the first circuit elements are placed.
In one example, a tray to hold sheet media for printing includes: a movable support to support a downstream part of a stack of media sheets in the tray; a barrier near a downstream end of the support, the barrier movable between a closed position in which, when a stack of media sheets is on the support, the barrier blocks a downstream end of the stack and an open position in which, when a stack of media sheets is on the support, the barrier does not block a downstream end of at least part of the stack; and an actuator configured to move the barrier from the closed position to the open position.
B65H 1/04 - Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile
B65H 1/26 - Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
38.
FIXING APPARATUS FOR MINIMIZING ABRASION OF CONTACT SURFACE BETWEEN HEATER AND FIXING BELT
An example fixing unit includes a flexible fixing belt, a backup member located outside the fixing belt to form a fixing nip, and a plate heater in contact with the fixing belt to heat the fixing belt in the fixing nip, wherein the fixing belt includes a first abrasion prevention layer disposed on a surface facing the plate heater and comprising polyetheretherketone (PEEK), and the plate heater includes a second abrasion prevention layer in contact with the first abrasion prevention layer and comprising glass.
G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
39.
CREATING POLICY BASED ON CONFIGURATION CHANGE HISTORY
An example operating method of an electronic apparatus includes executing, by the electronic apparatus, an application to control an operation of an image forming apparatus, identifying a first image forming apparatus to be connected to the electronic apparatus, and performing a communication connection between the electronic apparatus and the first image forming apparatus, receiving, from the first image forming apparatus, at least one configuration change performed by the first image forming apparatus, and displaying the at least one configuration change, based on the at least one configuration change, receiving a first input to select a first configuration change to at least one image forming apparatus to be controlled by the electronic apparatus, and based on at least one input that is input after the first input, displaying the first configuration change applied to the at least one image forming apparatus.
An example image forming apparatus includes a power device, a photosensitive drum, a transfer device to remove remaining toner based on a cleaning bias voltage, an optical sensor to detect remaining toner, and a processor to adjust the cleaning bias voltage based on a set offset bias voltage. The processor may change a surface potential of the photosensitive drum to a voltage of a set pattern using the power device, acquire a size ratio of a periodic component based on a frequency of a signal detected from the remaining toner using the optical sensor, and, based on the acquired size ratio of the periodic component being greater than or equal to a set size ratio, adjust the cleaning bias voltage based on an offset bias voltage corresponding to the size ratio of the periodic component and provide the adjusted cleaning bias voltage to the transfer device to remove remaining toner.
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
An example image forming device includes a printing portion to print an image on a print medium, a protruding portion protruding upward from an upper surface of the printing portion and comprising an accommodation portion, and a keyboard movable between a storage position in which the keyboard is partially stored in the accommodation portion and a withdrawal position in which the keyboard is withdrawn from the accommodation portion. In the storage position, the keyboard is positioned inside an outermost surface of the printing portion.
A method of making a measurement relating to an object manufactured according to a model may be provided. The object may have a measured surface comprising a surface deviation relative to a corresponding surface of the model. The method may comprise obtaining measured surface data representing at least a portion of the measured surface comprising the said surface deviation. The method may comprise determining a measurement surface corresponding to the measured surface of the object by performing a statistical analysis of at least a portion of the measured surface data in respect of an interpretation direction such that a portion of the measured surface data is offset from the measurement surface in the interpretation direction. The method may comprise making a measurement relating to the object depending on the measurement surface.
G06F 30/20 - Design optimisation, verification or simulation
G01B 21/20 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes
43.
INTERSPERSED FLUIDIC ELEMENTS AND CIRCUIT ELEMENTS IN A FLUIDIC DIE
In some examples, a fluidic die includes an arrangement of fluidic elements to dispense a fluid, where each fluidic element of the fluidic elements includes a fluidic actuator and a fluid chamber. The fluidic die includes an array of fluid feed holes in a plurality of dimensions to communicate the fluid with the fluidic elements, where each of multiple fluid feed holes along a first dimension of the plurality of dimensions is distinct from multiple fluid feed holes along a second dimension of the plurality of dimensions. The fluidic die includes circuit elements interspersed in regions between the fluidic elements along different axes of the fluidic die, where each circuit element of the circuit elements includes an active device. The fluidic elements and the circuit elements are formed on a common substrate.
A method of recovering fluoropolymer from a three-dimensional printed object can include dissolving a fluoropolymer of a three-dimensional printed object in a fluoropolymer-dissolving solvent to generate dissolved fluoropolymer from the three-dimensional object, wherein the three-dimensional printed object includes from about 0.1 wt % to about 10 wt % particulate fusing compound and from about 90 wt % to about 99.9 wt % fluoropolymer. The method can further include separating the particulate fusing compound from the fluoropolymer-dissolving solvent and the dissolved fluoropolymer, and evaporating the fluoropolymer-dissolving solvent from the dissolved fluoropolymer.
An example method of operating an image forming apparatus includes activating a burst mode function to provide a speed faster than a threshold speed of a general speed mode for a job having a specific condition, determining whether a requested job satisfies the specific condition, setting a speed mode of the requested job satisfying the specific condition as the burst mode, and controlling a device related to image formation to operate in the burst mode when a processing order of the requested job is reached.
In one example in accordance with the present disclosure, a device for conducting a reaction with a fluid sample is described. The device includes: a microfluidic channel; a number of heating elements along the microfluidic channel; and an inertial pump at each of opposite ends of the microfluidic channel to oscillate the fluid sample along the microfluidic channel.
According to examples, an apparatus may include a substrate having a fluid recirculation channel and a membrane adjacent to the fluid recirculation channel, in which the membrane is portion of the substrate having a smaller thickness than other portions of the substrate. The apparatus may also include a component layer, in which a fluid ejection chamber may be formed in the component layer. The fluid ejection chamber may include a nozzle and fluid may be received into the fluid ejection chamber through an inlet port and recirculated to the fluid recirculation channel through an outlet port. The apparatus may further include active circuit elements formed on the membrane, in which the active circuit elements may control ejection of fluid from the fluid ejection chamber through the nozzle.
A method comprising receiving, at a microfluidic channel, a biologic sample including a cell and providing a magnetic field within the microfluidic channel using a first magnet, wherein the magnetic field attracts a first plurality of magnetic particles disposed within the microfluidic channel. The method further includes activating a first resistor disposed within the microfluidic channel to agitate a volume of fluid within the microfluidic channel, and in response, moving the first plurality of magnetic particles through the microfluidic channel to lyse the cell and to release cellular material from the cell.
In some examples, a system defines sub-volumes within a bounding object based on beams of a unit cell of a lattice structure for a 3D object to be built. The sub-volumes are defined based on the beams cutting through the bounding object that contains the unit cell. The system intersects the sub-volumes of the bounding object with a trimmed version of the lattice structure. The system forms a surface lattice structure having beams identified based on the intersecting, the beams of the surface lattice structure to connect to unit cells of the trimmed version of the lattice structure.
A reversible micro-valve device includes a main channel, a passage comprising an opening in fluid communication with the main channel, and a side chamber to house a volume of trapped gas. The side chamber is communicably attached to the passage to control flow along the main channel. The side chamber is to be larger in volume than the main channel to which the trapped gas expands and includes one of the following two states at a given time: an open state in which the main channel is open and flow proceeds through the main channel, or a closed state in which the trapped gas within the side chamber is to expand within the passage and block the flow in the main channel.
Example implementations relate to battery swelling determinations. In some examples, an electronic device can include a battery including a first surface and a second surface, where the second surface is opposite the first surface, a first conductor located on the first surface of the battery, and a second conductor located on the second surface of the battery, where the battery is to act as a dielectric medium such that a capacitance is generated by the electronic device via the first conductor, the second conductor, and the battery.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 27/26 - Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
An example microfluidic mixer can include an inlet microfluidic channel portion and a fluid splitting channel portion including an overpass microfluidic channel to receive fluid from a first side of the inlet microfluidic channel portion and an underpass microfluidic channel to receive fluid from a second side of the inlet microfluidic channel portion, where the underpass microfluidic channel extends under the overpass microfluidic channel such that the channels overlap at their respective downstream ends. A fluid recombining channel portion is downstream of the fluid splitting portion and includes an angled recombining surface having an acute angle with respect to a direction of fluid flow, where the angled recombining surface is between the downstream ends of the overpass and underpass microfluidic channels. An outlet microfluidic channel portion is fluidly connected downstream from the fluid recombining channel portion.
In an example, an apparatus comprises a heating module, a filter to capture a volatile material and a recovery module. In some examples the heating module is to supply heated gas with a first volatile material concentration to the filter. The filter may output gas with a second volatile material concentration, the second material concentration higher than the first material concentration. In some examples, the recovery module is to recover liquid volatile material from gas which has passed through the filter.
An example one-time-open microfluidic valve can include an inlet microfluidic channel in a first elevation plane and an outlet channel in a second elevation plane. An upstream end of the outlet channel can overlap a downstream end of the inlet microfluidic channel. A capillary nozzle opening can connect the inlet microfluidic channel to the outlet channel at the overlapping ends. The capillary nozzle opening can have an outlet width that is smaller than a width of the outlet channel. A fluid actuator can be positioned to eject a fluid in the inlet microfluidic channel through the capillary nozzle opening into the outlet channel.
An example information processing apparatus performs a login procedure of a first user for an application based on first authentication information of the first user regarding the application, receives a request for temporary lock of the application, the request including second authentication information that is different from the first authentication information, in response to the temporary lock request, switches the application into a temporary lock status while keeping the first user logged in to the application, and, in response to receiving the second authentication information while the temporary lock status of the application is kept, cancels the temporary lock status.
A fuser (7) includes a fusing member (710), a pressing member (720) facing the fusing member to form a fusing nip, and a wrap jam detection sensor (130, 730) comprising a light emitting portion (731) to irradiate light to the fusing member and a light receiving portion (732) to receive light diffusely reflected from the fusing member.
In some examples, an electronic device includes a network interface and a controller. The controller receives, via the network interface, an identifier of a radio frequency identification (RFID) tag, and generates a notification in response to the identifier being different from a set of identifiers stored to a storage device. The set of identifiers includes multiple identifiers associated with the RFID tag.
G06K 7/10 - Methods or arrangements for sensing record carriers by corpuscular radiation
G06K 7/00 - Methods or arrangements for sensing record carriers
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
58.
CONNECTION STRUCTURE FOR COUPLING WITH TONER CARTRIDGE
An example connection structure includes a connector and a connector support body. The connector is to engage with a coupler of a toner cartridge at a driving position when the toner cartridge is located at an operable position. The connector support body is rotatable about a rotation axis. The connector is also to support the connector to allow the connector to be inclined toward one side or another side with respect to the rotation axis while moving along the rotation axis with respect to the driving position.
A document feed device includes a tray in which a document is loaded, a pickup roller to be moved upward or downward to a standby position spaced apart from the document or to a pickup position to pick up the document in the tray, a separator to separate each sheet of the picked-up document, an inclined guide to connect an end of an exit of the tray to an entrance of the separator and to guide a bottom surface of the picked-up document, and a document guide member movable to a first position protruding from the inclined guide to guide the picked-up document or to a second position below the inclined guide.
A power control device includes a power supply, an integrated scanner assembly (ISA), an image forming engine including a general engine unit and a special engine unit, a main power switch, a special engine unit power switch, and a processor including an independent power controller, and the processor to control power supplied to the ISA and the general engine unit by closing the main power switch through the independent power controller, to receive specification information from the ISA activated by the supplied power, to receive state information on the image forming engine from the general engine unit activated by the supplied power, and to supply power to the special engine unit by closing the special engine unit power switch after receiving the specification information and the state information.
An example image forming apparatus includes a main body including an opening and an accommodation portion, a development cartridge detachable from the main body, a tray on which to mount the development cartridge, the tray being movable between a mounting position inserted into the main body through the opening, a withdrawal position extracted from the main body, and an accommodation position at which the development cartridge is accommodated in the accommodation portion, and an elastic support member to elastically support the development cartridge with respect to the tray while the tray moves between the mounting position, the withdrawal position, and the accommodation position.
Examples of methods for image enhancement are described. In some examples, a method includes segmenting an image into an object region and a background region. In some examples, the image has a first resolution. In some examples, the method includes generating, using a first machine learning model, an enhanced object region with a second resolution that is greater than the first resolution. In some examples, the first machine learning model has been trained based on object landmarks. In some examples, the method includes generating, using a second machine learning model, an enhanced background region with a third resolution that is greater than the first resolution. In some examples, the method includes combining the enhanced object region and the enhanced background region to produce an enhanced image.
A communicating print component a print head comprising a number of memory bits and a single lane analog bus conductively coupling the number of memory bits to a pad located on the exterior of the print head. The pad is to transmit an electrical signal from the number of memory bits, wherein the electrical signal indicates a combination of all selected bits of the number of memory bits.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
An electroporation system may include a well plate, a dispenser and a dispenser-well positioning system. The well plate may include wells, each of the wells including an interior, a first electrode adjacent the interior and a second electrode adjacent the interior and spaced from the first electrode. The first electrode and the second electrode are to apply an electrostatic field across the well. The dispenser is to dispense a cell having a diameter into each of the wells. The dispenser-well positioning system is to align each well and the dispenser such that the dispenser dispenses the cell into each well at a location spaced from the first electrode and the second electrode by a distance of at least 5 times the diameter of the cell.
Images in front of a display device are continually captured. The display device is switchable between a two-dimensional (2D) display mode and a threedimensional (3D) display mode. As the images are continually captured, eye tracking on the images is continually performed. The display device is switched between the 2D and 3D display modes based on the eye tracking.
H04N 13/356 - Image reproducers having separate monoscopic and stereoscopic modes
H04N 13/366 - Image reproducers using viewer tracking
H04N 13/305 - Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
Examples relate to systems and methods for compensating a printhead support deformation. The method comprises obtaining a value of a printhead support deformation parameter and comparing the value of the printhead support deformation parameter with a predetermined printhead support deformation parameter profile. In addition, the method comprises determining that a pen-to-paper spacing compensation is to be performed.
Certain examples relate to a method of a method of method of evaluating printing equipment and/or materials. An example method comprises determining a target color histogram, providing a plurality of representative images each having a respective color histogram, and selecting a sub-set of the plurality of representative images using the respective color histograms and the target color histogram.
Reflective surfaces and display devices adversely affect a videoconferencing camera. For example, reflections from bright lights may cause the camera to change exposure settings, resulting in participants appearing dimly lit. In another example, reflections of people or displayed images may be incorrectly used by automated image framing and tracking. Reflections from a surface are often polarized, as is light from many types of display devices. A polarizer in front of the camera is moved to provide different polarization angles relative to the camera, with images acquired at these different angles. The images are processed to determine a count of features, such as heads or faces, that are detected in the images. The angle that produces the minimum number of features may be subsequently used during acquisition of images by the camera for various purposes, such as videoconferencing.
The present specification describes examples of a computing device for reducing camera bus channels and bandwidth. The example computing device includes a plurality of tracking cameras to capture a plurality of tracking images. The computing device also includes a processor to receive the plurality of tracking images captured by the plurality of tracking cameras. The processor is to combine the plurality of tracking images into a carrier image. The computing device also includes a camera bus to transmit the carrier image.
In an example, an electronic device may include a battery, a charging port to receive electrical power from an external power source to charge the battery, a light source disposed proximate to the charging port, a sensor to monitor a parameter related to an operational environment of the electronic device, and a processor to activate the light source based on the monitored parameter.
The present specification describes examples of a computing device for generating an extended reality environment. The example computing device includes a processor to receive placement data for a virtual sound source within the extended reality environment based on a user action within the extended reality environment. The processor is also to simulate sound generated by the virtual sound source within the extended reality environment based on a user location within the extended reality environment. Sound may be simulated by the processor according to virtual sound source characteristics and interaction with virtual objects. The computing device also includes an extended reality data capture module to capture the placement data and modifications to the virtual sound source within the extended reality environment; and capture the user location within the extended reality environment. The computing device further includes a sound generation device to generate an audible sound of the simulated sound.
According to examples, an apparatus may include a processor and a memory on which are stored computer-readable instructions that, when executed by the processor, may cause the processor to access a characteristic of a motor coupled to a carriage in a printer. In this regard, an ink cartridge may be mounted on the carriage and the characteristic may be of the motor during movement by the motor of the carriage. The processor may calculate an amount of ink in the ink cartridge based on the characteristic of the motor and may determine whether the calculated amount of ink differs from an estimated amount of ink in the ink cartridge. In some examples, based on the amount of ink in the ink cartridge differing from the estimated amount of ink in the ink cartridge, the processor may disable the printer and/or generate a notification.
One example of a fluidic die includes a power supply node, a plurality of fluidic actuators, a plurality of discharge circuits, and a single discharge enable signal path. The plurality of fluidic actuators are electrically coupled to the power supply node. The plurality of discharge circuits are electrically coupled to the power supply node. The single discharge enable signal path is electrically coupled to each discharge circuit of the plurality of discharge circuits to enable each discharge circuit of the plurality of discharge circuits in parallel.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
The present disclosure is drawn to a three-dimensional printing kit and can include a particulate build material including from about 80 wt % to about 100 wt % metal particles, and a binding agent including water, from about 0.01 wt % to about 5 wt % organic compounds, and from about 20 wt % to about 60 wt % copper nitrate.
B22F 10/16 - Formation of a green body by embedding the binder within the powder bed
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
B22F 1/105 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
B22F 1/107 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
In one example in accordance with the present disclosure, a fluid analysis system is described. The fluid analysis system includes an inlet channel to an analysis chamber. The analysis chamber is to receive a fluid sample to be analyzed. The fluid analysis system also includes a fluid branch having a fluidic junction along the inlet channel and a gas chamber to house a volume of trapped gas, the gas chamber being in fluid communication with the fluid branch. The fluid analysis system also includes a sealing fluid delivery system to fill the fluid branch with a sealing fluid and a heater adjacent the gas chamber to heat the gas chamber such that the trapped gas expands to push the sealing fluid into the inlet channel to seal the analysis chamber.
Examples in accordance with the present disclosure are directed to a method including generating a negative fluid pressure between a fluid supply and a first port of a fluidic ejection device, and generating a positive fluid pressure between the fluid supply and a second port of the fluidic ejection device. The method further includes selectively activating a first priming pump connected to the first port in response to an indication that the first port is transitioning from an open state to a closed state, wherein the selective activation of the first priming pump causes the first port to remain in the open state and causes fluid within the fluidic ejection device to exit through the first port and to recirculate along a fluid flow path.
In an example method for forming three-dimensional (3D) printed electronic parts, a build material is applied. An electronic agent is selectively applied in a plurality of passes on a portion of the build material. A fusing agent is also selectively applied on the portion of the build material. The build material is exposed to radiation in a plurality of heating events. During at least one of the plurality of heating events, the portion of the build material in contact with the fusing agent fuses to form a region of a layer. The region of the layer exhibits an electronic property. An order of the plurality of passes, the selective application of the fusing agent, and the plurality of heating events is controlled to control a mechanical property of the layer and the electronic property of the region.
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
B29K 505/14 - Noble metals, e.g. silver, gold or platinum
B29K 105/00 - Condition, form or state of moulded material
B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A media bypass for a printer, the media bypass comprising a convertible media support to hold a substrate and to switch between an active and an inactive configuration, wherein the convertible media support pivots from the inactive configuration towards the active configuration to extend into the printer and to guide the substrate into the printer.
It is herein disclosed a waste printing fluid collection unit that may be part of a servicing station and/or a printing system, the waste printing fluid collection unit comprising; a collection reservoir for collecting the waste printing fluid, the collection reservoir having an end wall that separates the collection reservoir from ambient air; and a wick extending from the end wall towards the reservoir; wherein the wick is on a first side, connected to the end wall and, on a second side extends into the reservoir to contact the waste printing fluid.
In an example implementation according to aspects of the present disclosure, a wireless anchor node comprises a wireless communication interface and a processor communicatively coupled to the wireless communication interface. The processor receives a wireless signal from a source access node. The location of the source access node is verified. The processor determines a distance measurement between the wireless anchor node and the source access node based on the wireless signal and transfers the distance measurement between the wireless anchor node and the source access node to a target access node over an intermediate anchor node. In response, the processor receives a location error from the target access node over the intermediate anchor node. The location of the target access node is verified. The processor calibrates the distance measurement between the wireless anchor node and the source access node based on the location error.
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 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
G01S 13/76 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
Examples of electronic devices are described herein. In some examples, an electronic device includes a communication interface. In some examples, the electronic device includes a Basic Input/Output System (BIOS). In some examples, the electronic device includes a processor to, in response to receiving a command to modify a setting of the BIOS, perform a first authentication. In some examples, the processor is to instruct the communication interface to send an authentication message to an external device in response to a first success of the first authentication. In some examples, the processor is to perform a second authentication based on a response message from the external device. In some examples, the processor is to, in response to a second success of the second authentication, modify the setting of the BIOS.
G06F 21/42 - User authentication using separate channels for security data
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
In an example, processing circuitry may receive a request from a user to produce an item represented by data in a physical form and an indication of a digital right associated with the item. From the content of the digital right, it may be determined if the user has permission to produce the item in physical form. When the user has permission to produce the item, an apparatus may be instructed to produce the item in physical form.
A cohort corresponding to a wearer of a head-mountable display (HMD) is selected from a number of candidate cohorts that each correspond to a different facial type. A set of facial images of the wearer is captured using one or multiple cameras of the HMD. A machine learning model for the selected cohort is applied to the captured set of facial images to predict blendshape weights for the facial expression of the wearer exhibited within the captured set of images. Each candidate cohort has a differently trained machine learning model. The predicted blendshape weights for the facial expression of the wearer are retargeted onto an avatar corresponding to the wearer to render the avatar with the facial expression, and the rendered avatar is displayed.
In an example in accordance with the present disclosure, an input movement tracking device is described. The input movement tracking device comprises a tracking device housing and a connector to mechanically attach the tracking device housing to an input device. The input movement tracking device also includes an electrical connector to receive input from the input device to be transmitted to a host computing device. A tracking system disposed within the tracking device housing tracks a position and orientation of the tracking device housing and the input device in physical space and a transceiver disposed within the tracking device housing communicates with the host computing device.
G06F 3/0346 - Pointing devices displaced or positioned by the user; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
Examples of electronic devices are described herein. In some examples, an electronic device includes an operating system (OS). In some examples, the electronic device includes a basic input/output system (BIOS). In some examples, the electronic device includes an OS certificate store. In some examples, the electronic device includes a processor to load a certificate from the BIOS. In some examples, the OS certificate store is bypassed during the loading of the certificate. In some examples, the processor is to execute a program in the OS to verify signed instructions based on the certificate.
G06F 21/33 - User authentication using certificates
G06F 21/64 - Protecting data integrity, e.g. using checksums, certificates or signatures
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
86.
TRANSFER OF PRINTING MEDIUM IN SIMPLEX PATH AND DUPLEX PATH
An example image forming apparatus includes a simplex path for conveying printing medium passing through a fixing unit provided in a main body to a discharge port of the main body, a duplex path for turning over printing medium and conveying the printing medium to the simplex path, and a discharge unit for selectively conveying a first printing medium and a second printing medium in different directions, wherein the first printing medium includes an image formed on one surface passing through the simplex path, and the second printing medium includes an image formed on two surfaces and passing through the simplex path after passing through the duplex path.
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
G03G 15/01 - Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
G03G 15/23 - Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
An example of a kit for three-dimensional (3D) printing includes an ultraviolet (UV) light fusing agent and a detailing agent. The UV light fusing agent including an aqueous vehicle and a plasmonic metal nanoparticle that i) provides absorption enhancement at radiation wavelengths ranging from about 340 nm to about 450 nm, and ii) is present in an amount up to 2 wt% based on a total weight of the UV light fusing agent. The detailing agent includes a surfactant, a co-solvent, and water.
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
An example electronic device includes a component device. The electronic device also includes a first communication device to: transmit an identifier of the component device to an intermediary device; and receive, from the intermediary device, network information, where the network information is generated based on the identifier and location information of the electronic device. The electronic device also includes a second communication device to communicate with a server using the network information.
The present disclosure refers to monitoring a printing fluid, in an example, a device is disclosed wherein the device N comprises a light emitter to illuminate a fluid line comprising a flowing printing fluid; an image sensor to capture a diagnostic image of the fluid line once it has been illuminated; and a processor connected to the detector being the processor to compare the diagnostic image to a baseline and to determine a printing fluid quality parameter based on the comparison.
B41J 2/195 - Ink jet characterised by ink handling for monitoring ink quality
B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
In some examples, an electronic device includes sets of light-emitting diodes (LEDs) arranged into zones, multiple driver circuitries, a driver circuit of the multiple driver circuitries coupled to a set of LEDs of the sets of LEDs, and a comparison circuit coupled to the multiple driver circuitries. The comparison circuit compares a first luminance value of a first set of LEDs of a first zone and a second luminance value of a second set of LEDs of a second zone, and, in response to the comparison indicating that the first luminance value is greater than the second luminance value by a threshold difference, cause a first driver circuit to provide the first set of LEDs a first non-zero power level and a second driver circuit to provide the second set of LEDs a second power level, the second power level a non-zero multiplier of the first non-zero power level.
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
91.
TONER PARTICLE COMPRISING RESIN BASED ON POLYETHYLENE TEREPHTHALATE (PET)
An example toner particle contains a colorant, a release agent, and a binder resin containing an amorphous polyester resin and a crystalline polyester resin, wherein the binder resin contains terephthalic acid and ethylene glycol as monomer units, wherein the terephthalic acid and the ethylene glycol are contained as monomer units at least in the amorphous polyester resin, wherein a mass ratio of a total content of the terephthalic acid and the ethylene glycol in the binder resin to a content of the crystalline polyester resin is 3.5 to 12.0.
An example image forming apparatus includes a fixing device including a housing and a roller module, the housing including an accommodation space having a rail extending in the accommodation space, the roller module including a fixing unit extending in an axial direction and a support member to rotatably support the fixing unit. The support member contacts the rail of the housing such that the roller module is slidable along the axial direction between a roller insertion position where the roller module is located in the accommodation space and a roller extraction position where the roller module may be extracted from the housing. A part of the fixing device is replaceable.
Disclosed herein is a print head arrangement, a printing device and a method of operating a printing device. The print head arrangement comprises a main print head having a plurality of printing nozzles for ejecting a printing fluid and an auxiliary print head having a plurality of pre-treatment nozzles for ejecting a pre-treatment fluid. The print head arrangement further comprises a controller that is to obtain a print medium parameter and to select a subset of the plurality of pre-treatment nozzles for application of the pre-treatment fluid based on the print medium parameter. The print medium parameter characterizes a thermal inertia of the print medium.
An example non-transitory machine-readable medium includes instructions that, when executed by a processor, cause the processor to define a color encoding based on selected colors within a reference color space. The selected colors include white, black, and a set of chromatic colors spanning different print gamuts of a range of different printing devices. The instructions are further to encode a source datapoint of a source color space with the color encoding to obtain a reference datapoint of the reference color space by determining the reference datapoint as a mixture of white, black, and two colors selected from the set of chromatic colors, and output the reference datapoint.
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
An example electronic device includes a base housing having a first portion and a second portion and a display housing including an upper portion and a lower portion. In addition, the electronic device includes a first hinge coupled between the lower portion and the base housing and a second hinge coupled between the lower portion and the upper portion. The first hinge and the second hinge define a plane that is parallel with the second portion when the lower portion is in a horizontal orientation. Further, the electronic device includes a flexible display panel disposed in the display housing.
An example image forming apparatus may include a scanner module to scan a document to be sent to a recipient and store electronic raw data representing the document. Further, the image forming apparatus may include a controller to receive a destination address as an input to perform a user-selectable scanning feature. The controller may retrieve a first user profile and a second user profile associated with the destination address from a database. The first user profile and the second user profile may include first setting information and second setting information, respectively. The controller may process the electronic raw data to generate a scan image in accordance with the first user profile. The first user profile may be selected based on a characteristic of the electronic raw data. The controller may transmit the scan image to the destination address in accordance with the user-selectable scanning feature.
Examples of methods for object packings are described herein. In some examples, a method includes generating chromosomes in a genetic procedure. In some examples, each chromosome indicates a packing of objects in a volume. In some examples, the method also includes determining uniformity scores corresponding to the chromosomes. In some examples, each uniformity score is based on object orientation similarity. In some examples, the method further includes selecting a chromosome based on the uniformity scores.
An example charging member has a conductive support, a conductive elastic body layer on the conductive support, a first surface layer on the conductive elastic body layer, and a second surface layer on the first surface layer. The first surface layer includes a binder resin and a first plurality of first particles dispersed in the binder resin of the first surface layer, the second surface layer includes the binder resin, a second plurality of first particles, and second particles, the second plurality of first particles and the second particles being dispersed in the binder resin of the second surface layer, and an average diameter d1 of the first particles is 3 μm≤d1≤6 μm and an average diameter d2 of the second particles is 20 μm≤d2≤26 μm.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
According to an example, an apparatus for a three-dimensional printing system comprises a chamber, an actuator, and a controller. The chamber comprises an opening towards the top of the chamber to receive a container having an openable base and the container is to contain a build cake, wherein the chamber further comprises a platform movable below the opening that is to receive the build cake when the base of the container is opened. The actuator is to move the platform within the chamber, and the controller is to position the platform at a build cake receiving position such that when the container base is opened, the build cake drops onto the platform generating a shock wave that is transmitted into the build cake.
In an example in accordance with the present disclosure, an extended reality system is described. The extended reality system includes an extended reality headset to be worn on a head and cover eyes of a user. An imaging device of the extended reality system captures an image of a portion of the user's face below the extended reality headset. An image analysis device of the extended reality system extracts, from the image, features of the portion of the user's face below the extended reality headset. The image analysis device also identifies the user based on a comparison between extracted features and a database of identified users.
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
G06V 10/77 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
