| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 01/03/2002 | US20020000842 Amplitude detecting circuit |
| 01/03/2002 | US20020000828 Method and device for offset-voltage free voltage measurement and adjustment of a reference voltage source of an integrated semiconductor circuit |
| 01/03/2002 | DE10029446A1 Verfahren und Schaltungsanordnung zur Messung einer Spannung und/oder einer Temperatur Method and circuit arrangement for measuring a voltage and / or a temperature |
| 01/03/2002 | DE10011050A1 Transformator für einen Kompensationsstromsensor Transformer for a compensating current sensor |
| 01/02/2002 | EP1168630A2 Amplitude detecting circuit |
| 01/02/2002 | EP1167983A2 Display of input signals |
| 01/02/2002 | EP1167982A1 Electric current measuring appliance using the Faraday effect |
| 01/02/2002 | EP1166134A1 Method for monitoring a substantially direct current flow in a load |
| 01/02/2002 | EP1166133A1 Circuit for voltage level detection |
| 01/02/2002 | EP1166131A1 Current meter |
| 01/01/2002 | US6335948 Amplitude detector and equalizer |
| 01/01/2002 | US6335641 Automatic input threshold selector |
| 01/01/2002 | US6335611 Current monitoring circuit for secondary battery |
| 12/27/2001 | WO2001098790A1 Method and circuit for measuring a voltage or a temperature and for generating a voltage with any predeterminable temperature dependence |
| 12/26/2001 | CN2468057Y Antitheft alarmer of electrical equipment for long-distance transmission |
| 12/20/2001 | US20010052765 Non-contact type current measuring instrument |
| 12/19/2001 | CN2466838Y Immersed pump with overcurrent protector |
| 12/19/2001 | CN2466665Y Strong magnetic resistance sensor |
| 12/18/2001 | US6331821 Combination current sensor and relay |
| 12/18/2001 | CA2126296C Diagnostic circuit and method for amperometrically determining the current passing through a sensor |
| 12/13/2001 | WO2001031718A3 Shunt resistance device for monitoring battery state of charge |
| 12/12/2001 | EP1161690A1 Low error, switchable measurement lead detect circuit |
| 12/12/2001 | EP0928511B1 Circuit arrangement for detection of current in an electric conductor to control electronically controllable tripping devices |
| 12/12/2001 | CN1076136C Multifunctional single phase ac motor |
| 12/11/2001 | US6330516 Branch circuit monitor |
| 12/06/2001 | US20010048527 Semiconductor test apparatus |
| 12/06/2001 | US20010048308 Voltage sensor bushing assembly with integral capacitance screen |
| 12/06/2001 | US20010048307 Multiplex voltage measurement apparatus |
| 12/06/2001 | DE10055223A1 Method and device for detecting three-phase AC currents of two different frequencies uses two current detection sensors to detect multiple three-phase AC currents of different frequencies produced by coils in a dynamo machine |
| 12/05/2001 | EP1160580A1 Circuit for detecting a malfunction |
| 12/04/2001 | US6326796 Harmonic measuring method and a current injection device for harmonic measurement |
| 12/04/2001 | US6326794 Method and apparatus for in-situ monitoring of ion energy distribution for endpoint detection via capacitance measurement |
| 11/29/2001 | DE10023837A1 Intensity measurement device of electrical current flowing in conductor, has electronic circuit comprising analog/digital converter mounted on Hall sensor which stores current flow detection signal |
| 11/29/2001 | DE10023048A1 Wechselspannungsdedektor Wechselspannungsdedektor |
| 11/28/2001 | CN2462392Y Automatic detector for detecting positive electrode current distribution valve of aluminium electric tank |
| 11/28/2001 | CN2462391Y Hook meter measurer |
| 11/27/2001 | US6323694 Differential comparator with a programmable voltage offset for use in an automatic tester |
| 11/27/2001 | US6323636 Electric current pick-up shoe |
| 11/27/2001 | US6323635 MER2: magnetic error reduction doubled |
| 11/22/2001 | WO2001089008A1 First use indicator label |
| 11/22/2001 | WO2001088560A1 Arrangement for detecting malfunction |
| 11/22/2001 | DE10024526A1 Accurate measurement of very small, nano to picoamp, currents uses a feedback amplifier with additional resistances |
| 11/21/2001 | CN2461001Y 电子试电笔 Electronic test pencil |
| 11/21/2001 | CN1322957A Multiplex transmission voltage measuring equipment |
| 11/21/2001 | CN1322505A Multi-belt female assembly for fastening apparatus capable of rearranging fastening |
| 11/20/2001 | US6320805 Semiconductor device with external pins |
| 11/20/2001 | US6320430 Method and apparatus for processing a measurement signal |
| 11/20/2001 | US6320370 Circuit with improved dynamic response for measuring current in pulse width modulated amplifiers |
| 11/20/2001 | US6320369 Superconducting current measuring circuit having detection loop |
| 11/20/2001 | US6320367 Device for analyzing a single pulse with variable step |
| 11/15/2001 | WO2001086788A2 Battery monitoring system |
| 11/15/2001 | US20010040798 Distributed emergency lighting system having self-testing and diagnostic capabilities |
| 11/15/2001 | US20010040454 Alternating voltage detector |
| 11/15/2001 | US20010040446 Apparatus and method for the measurement and monitoring of electrical power generation and transmission |
| 11/15/2001 | US20010040259 Semiconductor device and method of manufacturing the same |
| 11/15/2001 | DE10021503A1 Circuit for detecting pulses superimposed on direct voltage, has comparator receiving input signal, up/down counter receiving comparator output, digital-to-analog converter, evaluation device |
| 11/14/2001 | EP1153379A1 Modular power quality monitoring device |
| 11/14/2001 | EP1153305A1 Current measuring device and corresponding method |
| 11/14/2001 | EP0834116B1 Circuit for comparing two electrical quantities |
| 11/14/2001 | CN2459669Y Single-wire hanging bag type small current grounding fault indicator |
| 11/14/2001 | CN2459667Y Fault detector for three-phase ac voltage |
| 11/14/2001 | CN1074863C 电子继电器 Electronic Relays |
| 11/13/2001 | US6316991 Out-of-calibration circuits and methods and systems using the same |
| 11/13/2001 | US6316971 Comparing and amplifying detector circuit |
| 11/13/2001 | US6316967 Current detector |
| 11/13/2001 | US6316930 Direct current meter with passive input and galvanic insulation, particularly for high voltage |
| 11/07/2001 | EP1152250A2 Integrated circuit having power supply voltage monitor |
| 11/07/2001 | EP1151538A1 Comparator circuit |
| 11/07/2001 | EP1151314A1 Imaging using spatial frequency filtering and masking |
| 11/07/2001 | CN1321248A Method and apparatus for real time measurement of three phase electrical parameters |
| 11/06/2001 | US6313750 Measuring cell voltages of a fuel cell stack |
| 11/06/2001 | US6313690 Semiconductor switching device with leakage current detecting junction |
| 11/06/2001 | US6313635 High voltage sensor assembly |
| 11/01/2001 | WO2001081889A2 Current measuring circuit suited for batteries |
| 11/01/2001 | US20010036119 Voltage detection circuit, power-on/off reset circuit, and semiconductor device |
| 11/01/2001 | US20010036048 Ground fault interrupter |
| 11/01/2001 | US20010035765 Multiplex voltage measurement apparatus |
| 11/01/2001 | US20010035682 Integrated circuit having power supply voltage monitor |
| 10/31/2001 | DE10019240A1 Circuit for measuring transistor-controlled load current consumption has output bipolar transistor with base driver, measurement resistance and voltage sensor |
| 10/31/2001 | CN2457608Y Signal test stick |
| 10/31/2001 | CN2457607Y Test pencil |
| 10/31/2001 | CN2457606Y Dry load device of independent power supply |
| 10/31/2001 | CN1319930A Recharge/discharge control circuit and rechargeable power supply equipment |
| 10/30/2001 | US6311307 Digital current differential system |
| 10/30/2001 | US6311138 Digital storage oscilloscope with simultaneous primary measurement and derived parameter display on common time axis and method therefor |
| 10/30/2001 | US6310507 Timing generation circuit for electro-optic sampling oscilloscope |
| 10/25/2001 | WO2001079872A1 Apparatus and method for the measurement and monitoring of electrical power generation and transmission |
| 10/25/2001 | WO2001079864A2 Circuit arrangement for measuring the current consumption of a transistor-controlled load |
| 10/25/2001 | US20010033171 Current measuring apparatus for battery |
| 10/24/2001 | EP1148507A2 Supply voltage detection circuit |
| 10/24/2001 | EP1012609B1 Device with wide pass band for measuring electric current intensity in a conductor |
| 10/24/2001 | CN2456171Y On line ripple determiner |
| 10/24/2001 | CN1319189A Signalling system |
| 10/23/2001 | US6308139 Digital process for determining the effective value of a periodic electric test signal |
| 10/23/2001 | US6307479 Running indicator for integrated circuit package |
| 10/23/2001 | US6307381 High voltage installation with a device for transmitting signals |
| 10/23/2001 | CA2112451C Circuit analyzing system |
| 10/18/2001 | WO2001077698A2 Power line testing device with signal generator and signal detector |
| 10/18/2001 | US20010030558 Supply voltage detection circuit |
| 10/17/2001 | EP1146345A1 Multiplex voltage measurement apparatus |