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Class Information
Number: 324/76.11
Name: Electricity: measuring and testing > Measuring, testing, or sensing electricity, per se
Description: Subject matter relating to the measurement of electric voltages or currents, or combinations thereof, when said electric voltages and currents do not occur in a significantly recited external environment.










Sub-classes under this class:

Class Number Class Name Patents
324/76.12 Analysis of complex waves 214
324/98 Balancing (e.g., known/unknown voltage comparison, bridge, rebalancing) 40
324/156 Casings 177
324/121R Cathode ray (e.g., magic eye) 310
324/157 Combined 116
324/103R Demand, excess, maximum or minimum (e.g., separate meters for positive and negative power, peak voltmeter) 166
324/150 Eccentrically pivoted coil 20
324/137 Eddy current rotor (e.g., a.c. integrating wattmeter) 40
324/109 Electrostatic attraction or piezoelectric 72
324/92 Fluid (e.g., thermal expansion) 13
324/76.39 Frequency of cyclic current or voltage (e.g., cyclic counting etc.) 200
324/122 Gaseous discharge (e.g., spark gap voltmeter) 70
324/125 Inertia control, instrument damping and vibration damping 33
324/117R Magnetic saturation (e.g., in field or in amplifier) 654
324/110 Meter protection or fraud combatting 204
324/118 Modulator/demodulator 59
324/139 Motor-driven, time-controlled or oscillating (e.g., ratchet) 5
324/101 Non-rebalancing bridge 2
324/132 Nonlinear (e.g., thyrite) 109
324/133 Nonquantitative (e.g., hot-line indicator, polarity tester) 527
324/76.77 Phase comparison (e.g., between cyclic pulse voltage and sinusoidal current, etc.) 267
324/143 Plural active motor elements (e.g., for two crossed pointers) 47
324/140R Plural inputs (e.g., summation, ratio) 92
324/114 Plural meters (e.g., plural movements in one case) 75
324/115 Plural ranges, scales or registration rates 368
324/129 Polepiece (e.g., split) admits nonunitary input conductor 11
324/107 Polyphase 150
324/113 Recording 72
324/130 Self-calibration 186
324/131 Suppressed zero 14
324/105 Thermal (e.g., compensation) 79
324/102 Transient or portion of cyclic 125
324/96 Using radiant energy 778
324/123R With amplifier or space discharge device 128
324/134 With commutator or reversing or pulsating switch (e.g., d.c. watt-hour meter) 11
324/126 With coupling means (e.g., attenuator, shunt) 439
324/144 With electromagnetic field (e.g., dynamometer) 40
324/151R With permanent magnet 20
324/149 With probe, prod or terminals 191
324/119 With rectifier (e.g., a.c. to d.c.) 119
324/153 With register 4
324/136 With rolling wheel or ball (e.g., transmission, integrating) 2
324/154R With rotor (e.g., filar suspension, zero set, balancing) 42
324/111 With storage means for voltage or current (e.g., condenser banks) 85
324/120 With voltage or current conversion (e.g., d.c. to a.c., 60 to 1000) 99
324/95 With waveguide or long line 262


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8710823 Contact sensor, driver device, and care bed Apr. 29, 2014
8704507 Method for determining usage rate of breaking hammer, breaking hammer, and measuring device Apr. 22, 2014
8692199 Concept for determining a measurement value at a component Apr. 8, 2014
8686710 Electromagnetic wave driven rotation device Apr. 1, 2014
8687742 Device and method for gathering ensemble data sets Apr. 1, 2014
8680843 Magnetic field current sensors Mar. 25, 2014
8674679 Power saving during a connection detection Mar. 18, 2014
8675005 Waveform observing apparatus and system thereof Mar. 18, 2014
8674680 Method and device for fast measurement of frequency response with scalable short chirp signals Mar. 18, 2014
8669756 Test apparatus for a broadband telecommunication network Mar. 11, 2014
8669757 Fibre monitoring apparatus and method Mar. 11, 2014
8669758 AC voltage measurement circuit Mar. 11, 2014
8669761 Stray-field sensor circuit and method Mar. 11, 2014
8664935 Magnetic shield for current transformer in electronic watt-hour meter Mar. 4, 2014
8659284 Load current detection in electrical power converters Feb. 25, 2014
8659285 Current sensor and current sensing method Feb. 25, 2014
8653849 Voltage margin testing device and method Feb. 18, 2014
8648588 RF detector with crest factor measurement Feb. 11, 2014
8643358 Oscillator Feb. 4, 2014
8638087 Apparatus for employing low ohmic alloy conductors and method for simplifying current drain data retrieval Jan. 28, 2014
8628525 Wireless interventional device and a system for wireless energy transmission Jan. 14, 2014
8624582 Measuring method, arrangement and software product Jan. 7, 2014
8624583 Measuring alternating current flowing through an electricity supply distribution unit Jan. 7, 2014
8614571 Apparatus and method for on-chip sampling of dynamic IR voltage drop Dec. 24, 2013
8610424 Closing of an HF cut-off member Dec. 17, 2013
8610446 Testing device and testing method Dec. 17, 2013
8605825 Receiving apparatus, test apparatus, receiving method and test method Dec. 10, 2013
8605775 Measuring Hum in a digital TV signal Dec. 10, 2013
8604772 MEMS-based resonant tunneling devices and arrays of such devices for electric field sensing Dec. 10, 2013
8598865 Measuring device with a measuring- and operating electronics for monitoring a measurement signal Dec. 3, 2013
8591815 Measuring device and methods for use therewith Nov. 26, 2013
8593135 Low-cost power measurement circuit Nov. 26, 2013
8593154 System and method for artifact suppression in soft-field tomography Nov. 26, 2013
8593164 Cell for broadband dielectric spectroscopy Nov. 26, 2013
8581573 Circuit for measuring the effective current of a signal to be monitored Nov. 12, 2013
8581611 Oscilloscope probe Nov. 12, 2013
8578143 Modifying operating parameters based on device use Nov. 5, 2013
8570025 Power delivery circuit with load current estimation based on monitoring nodes not on the power delivery path Oct. 29, 2013
8564312 Fuel sensor Oct. 22, 2013
8564305 Discontinuous type layer-ID detector for 3D-IC and method of the same Oct. 22, 2013
8564297 Stun device testing apparatus and methods Oct. 22, 2013
8564276 Method and measurement device for determining a condition of an electric igniter of a gas turbine burner and an ignition device for a gas turbine burner Oct. 22, 2013
8558532 Sensor circuit Oct. 15, 2013
8558549 Detector circuit and semiconductor device using same Oct. 15, 2013
8552712 Current measurement method, inspection method of semiconductor device, semiconductor device, and test element group Oct. 8, 2013
8547082 Semiconductor device and pulse width detection method Oct. 1, 2013
8542020 Electronic device and apparatus for identifying electronic product Sep. 24, 2013
8542006 Movement detection circuit of solenoid shear seal valve on subsea pressure control system and method of detecting movement of solenoid actuator Sep. 24, 2013
8542004 Semiconductor device and driving method of the same Sep. 24, 2013
8542003 Test apparatus to test a data signal and a clock signal output from a device under test Sep. 24, 2013

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