IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • G - Physics
  • G01D - Measuring not specially adapted for a specific variable; arrangements for measuring two or more variables not covered by a single other subclass; tariff metering apparatus; transferring or transducing arrangements not specially adapted for a specific variable; measuring or testing not otherwise provided for
G01D 1/00 Measuring arrangements giving results other than momentary value of variable, of general application
G01D 1/02 Measuring arrangements giving results other than momentary value of variable, of general application giving mean values, e.g. root mean square values
G01D 1/04 Measuring arrangements giving results other than momentary value of variable, of general application giving integrated values
G01D 1/06 Measuring arrangements giving results other than momentary value of variable, of general application giving integrated values by intermittent summation
G01D 1/08 Measuring arrangements giving results other than momentary value of variable, of general application giving integrated values by intermittent summation over fixed periods of time
G01D 1/10 Measuring arrangements giving results other than momentary value of variable, of general application giving differentiated values
G01D 1/12 Measuring arrangements giving results other than momentary value of variable, of general application giving a maximum or minimum of a value
G01D 1/14 Measuring arrangements giving results other than momentary value of variable, of general application giving a distribution function of a value, i.e. number of times the value comes within specified ranges of amplitude
G01D 1/16 Measuring arrangements giving results other than momentary value of variable, of general application giving a value which is a function of two or more values, e.g. product, ratio
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
G01D 3/00 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group
G01D 3/02 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for altering or correcting the transfer function
G01D 3/06 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for operation by a null method
G01D 3/08 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
G01D 3/10 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for switching-in of additional or auxiliary indicators or recorders
G01D 3/024 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for altering or correcting the transfer function for range change; Arrangements for substituting one sensing member by another
G01D 3/028 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group mitigating undesired influences, e.g. temperature, pressure
G01D 3/032 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group mitigating undesired influences, e.g. temperature, pressure gating undesired signals
G01D 3/036 Measuring arrangements with provision for the special purposes referred to in the subgroups of this group mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
G01D 4/00 Tariff metering apparatus
G01D 4/02 Tariff metering apparatus - Details
G01D 4/04 Resetting-mechanisms, e.g. for indicating members
G01D 4/06 Arrangement of clutches between driving and indicating member, e.g. of hysteresis clutch
G01D 4/08 Transfer of indication from a counter into a summing counter
G01D 4/10 Maximum indicating or recording apparatus, i.e. where the tariff for a period is based on a maximum demand within that period
G01D 4/12 Apparatus for indicating or recording progressive maximum
G01D 4/14 Fixed-demand indicating or recording apparatus, i.e. where indication is made when a predetermined quantity has been consumed during a time interval greater or less than a predetermined time interval
G01D 4/16 Apparatus for indicating or recording maximum or minimum load hours
G01D 4/18 Apparatus for indicating or recording overconsumption with opposing torque which comes into effect when a predetermined level is exceeded, e.g. subtraction meters
G01D 5/00 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
G01D 5/02 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means
G01D 5/04 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means using gearing
G01D 5/06 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means acting through a wall or enclosure, e.g. by bellows, by magnetic coupling
G01D 5/08 Reducing the effects of friction, e.g. by applying vibrations
G01D 5/10 Applying external forces to increase force available for operation of indicating or recording part
G01D 5/12 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
G01D 5/14 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01D 5/16 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
G01D 5/18 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying effective impedance of discharge tubes or semiconductor devices
G01D 5/20 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01D 5/22 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
G01D 5/24 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
G01D 5/25 Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts
G01D 5/26 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light
G01D 5/28 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light with deflection of beams of light, e.g. for direct optical indication
G01D 5/30 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
G01D 5/32 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light with attenuation or whole or partial obturation of beams of light
G01D 5/34 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
G01D 5/36 Forming the light into pulses
G01D 5/38 Forming the light into pulses by diffraction gratings
G01D 5/39 Scanning a visible indication of the measured value and reproducing this indication at a remote place, e.g. on the screen of a cathode-ray tube
G01D 5/40 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light specially adapted for use with infra-red light
G01D 5/42 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using fluid means
G01D 5/44 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using fluid means using jets of fluid
G01D 5/46 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using fluid means using jets of fluid by deflecting or throttling the flow
G01D 5/48 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using wave or particle radiation means
G01D 5/50 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using wave or particle radiation means derived from a radioactive source
G01D 5/52 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using wave or particle radiation means derived from a radioactive source detected by a counter tube
G01D 5/54 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups , , , , and
G01D 5/56 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups , , , , and using electric or magnetic means
G01D 5/58 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups , , , , and using optical means, i.e. using infra-red, visible or ultra-violet light
G01D 5/60 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups , , , , and using fluid means
G01D 5/62 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups , , , , and using wave or particle radiation means not covered by group
G01D 5/165 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance by relative movement of a point of contact and a resistive track
G01D 5/241 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
G01D 5/242 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying output of an electrodynamic device, e.g. of a tachodynamo
G01D 5/243 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of ac
G01D 5/244 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
G01D 5/245 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
G01D 5/246 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains by varying the duration of individual pulses
G01D 5/247 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using time shifts of pulses
G01D 5/248 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains by varying pulse repetition frequency
G01D 5/249 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using pulse code
G01D 5/251 Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts one conductor or channel
G01D 5/252 Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts a combination of conductors or channels
G01D 5/347 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
G01D 5/353 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infra-red, visible or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
G01D 7/00 Indicating measured values
G01D 7/02 Indicating value of two or more variables simultaneously
G01D 7/04 Indicating value of two or more variables simultaneously using a separate indicating element for each variable
G01D 7/06 Luminous indications projected on a common screen
G01D 7/08 Indicating value of two or more variables simultaneously using a common indicating element for two or more variables
G01D 7/10 Indicating value of two or more variables simultaneously using a common indicating element for two or more variables giving indication in co-ordinate form
G01D 7/12 Audible indication of meter readings, e.g. for the blind
G01D 9/00 Recording measured values
G01D 9/02 Producing one or more recordings of the values of a single variable
G01D 9/04 Producing one or more recordings of the values of a single variable with provision for multiple or alternative recording
G01D 9/06 Multiple recording, e.g. duplicating
G01D 9/08 Multiple recording, e.g. duplicating giving both graphical and numerical recording
G01D 9/10 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time
G01D 9/12 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time recording occurring continuously
G01D 9/14 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time recording occurring continuously with provision for altering speed of recording medium in accordance with the magnitude of the variable to be recorded
G01D 9/16 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time recording occurring at separated intervals, e.g. by chopper bar
G01D 9/18 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time recording occurring at separated intervals, e.g. by chopper bar recording element actuated only upon change in value of variable
G01D 9/20 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with time and the recording medium, e.g. paper roll, being controlled in accordance with the variable
G01D 9/22 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with time and the recording medium, e.g. paper roll, being controlled in accordance with the variable recording occurring continuously
G01D 9/24 Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with time and the recording medium, e.g. paper roll, being controlled in accordance with the variable recording occurring at separated intervals, e.g. by chopper bar
G01D 9/26 Producing one or more recordings of the values of a single variable either the recording element, e.g. stylus, or the recording medium, e.g. paper roll, being controlled in accordance with both time and the variable
G01D 9/28 Producing one or more recordings, each recording being of the values of two or more different variables
G01D 9/30 Producing one or more recordings, each recording being of the values of two or more different variables there being a separate recording element for each variable, e.g. multiple-pen recorder
G01D 9/32 Producing one or more recordings, each recording being of the values of two or more different variables there being a common recording element for two or more variables
G01D 9/34 Producing one or more recordings, each recording being of the values of two or more different variables there being a common recording element for two or more variables the variables being recorded in predetermined sequence
G01D 9/36 Producing one or more recordings, each recording being of the values of two or more different variables there being a common recording element for two or more variables the variables being recorded in predetermined sequence in separate columns
G01D 9/38 Producing one or more recordings, each recording being produced by controlling the recording element, e.g. stylus, in accordance with one variable and controlling the recording medium, e.g. paper roll, in accordance with another variable
G01D 9/40 Producing one or more recordings, each recording being produced by controlling either the recording element, e.g. stylus, or the recording medium, e.g. paper roll, in accordance with two or more variables
G01D 9/42 Recording indications of measuring instruments by photographic means, e.g. of counters
G01D 11/00 Component parts of measuring arrangements not specially adapted for a specific variable
G01D 11/02 Bearings or suspensions for moving parts
G01D 11/04 Knive-edge bearings
G01D 11/06 Strip or thread suspensions, e.g. in tension
G01D 11/08 Elements for balancing moving parts
G01D 11/10 Elements for damping the movement of parts
G01D 11/12 Elements for damping the movement of parts using fluid damping
G01D 11/14 Elements for damping the movement of parts using magnetic induction damping
G01D 11/16 Elements for restraining or preventing the movement of parts, e.g. for zeroising
G01D 11/18 Springs
G01D 11/20 Caging devices for moving parts when not in use
G01D 11/22 Caging devices for moving parts when not in use automatically actuated
G01D 11/24 Housings
G01D 11/26 Windows; Cover glasses; Sealings therefor
G01D 11/28 Structurally-combined illuminating devices
G01D 11/30 Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
G01D 13/00 Component parts of indicators for measuring arrangements not specially adapted for a specific variable
G01D 13/02 Scales; Dials
G01D 13/04 Construction
G01D 13/06 Moving bands
G01D 13/08 Rotating drums
G01D 13/10 Construction with auxiliary scales, e.g. vernier
G01D 13/12 Graduation
G01D 13/14 Graduation for rotations of more than 360°
G01D 13/16 Graduation with staggered markings
G01D 13/18 Graduation with raised or recessed markings
G01D 13/20 Graduation with luminescent markings
G01D 13/22 Pointers, e.g. settable pointer
G01D 13/24 Pointers, e.g. settable pointer for indicating a maximum or minimum
G01D 13/26 Pointers, e.g. settable pointer adapted to perform a further operation, e.g. making electrical contact
G01D 13/28 Pointers, e.g. settable pointer with luminescent markings
G01D 15/00 Component parts of recorders for measuring arrangements not specially adapted for a specific variable
G01D 15/02 Styli or other recording elements acting to mechanically deform or perforate the recording surface
G01D 15/04 Styli or other recording elements acting to mechanically deform or perforate the recording surface acting to punch holes in the recording surface
G01D 15/06 Electric recording elements, e.g. electrolytic
G01D 15/08 Electric recording elements, e.g. electrolytic for spark erosion
G01D 15/10 Heated recording elements acting on heat-sensitive layers
G01D 15/12 Magnetic recording elements
G01D 15/14 Optical recording elements; Recording elements using X- or nuclear radiation
G01D 15/16 Recording elements transferring recording material, e.g. ink, to the recording surface
G01D 15/18 Nozzles emitting recording material
G01D 15/20 Recording elements for printing with ink or for printing by deformation or perforation of the recording surface, e.g. embossing
G01D 15/22 Chopper bars for bringing recording element into contact with recording surface
G01D 15/24 Drives for recording elements or surfaces, not covered by group
G01D 15/26 Drives for recording elements or surfaces, not covered by group operating by clockwork
G01D 15/28 Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces
G01D 15/30 Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces for foldable strip charts
G01D 15/32 Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces for circular charts
G01D 15/34 Recording surfaces
G01D 18/00 Testing or calibrating apparatus or arrangements provided for in groups
G01D 21/00 Measuring or testing not otherwise provided for
G01D 21/02 Measuring two or more variables by means not covered by a single other subclass