Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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04/25/2007 | CN1954226A Oscillation detecting apparatus and test apparatus |
04/25/2007 | CN1954219A Power disturbance detection circuit and method |
04/25/2007 | CN1952676A High-voltage detecting circuit for saving power consumption on stand-by state |
04/25/2007 | CN1952673A Efficiency measuring system and method of voltage control circuit |
04/25/2007 | CN1952668A Voltage detector of universal serial bus interface |
04/25/2007 | CN1312842C Switching circuit and voltage measuring circuit |
04/25/2007 | CN1312484C Single node sampled voltage-current characteristic digital detecting circuit |
04/24/2007 | US7209843 Circuit inspection method, method of manufacturing liquid-crystal display, and circuit inspection apparatus |
04/24/2007 | US7208994 Fuse sense circuit |
04/24/2007 | US7208980 Comparator with offset compensation |
04/24/2007 | US7208933 Time limit function utilization apparatus |
04/24/2007 | US7208932 Voltage detector |
04/19/2007 | WO2007043532A1 Current detection circuit, light receiving device using the same, and electronic device |
04/19/2007 | WO2007043282A1 Current detection circuit, photoreceiver using the same, light emission control device, and electronic device using the same |
04/19/2007 | US20070085572 Comparator feedback peak detector |
04/19/2007 | DE10306620B4 Integrierte Testschaltung in einer integrierten Schaltung Integrated test circuit in an integrated circuit |
04/19/2007 | DE102005048002A1 Hochspannungselektrodenanordnung High voltage electrode arrangement |
04/19/2007 | DE102005047894A1 Testing method for testing the operating ability of two-core measuring transducers in automation systems emits a test signal as a load-independent loop co-current via a two-wire lead |
04/18/2007 | EP1774837A1 Active dose reduction device and method |
04/18/2007 | EP1774346A1 Dc current sensor |
04/18/2007 | CN2891524Y Automatic paging and alarm device for cable inflator |
04/18/2007 | CN2890936Y Non-residual voltage online detection counter |
04/18/2007 | CN2890935Y Multifunctional alarm insulation rod |
04/18/2007 | CN2890934Y High-voltage big-current combined sensor |
04/18/2007 | CN2890933Y Electric current sensing device based on polarization degree demodulation |
04/18/2007 | CN1949668A Retarding comparator circuit of single terminal input |
04/18/2007 | CN1949656A Excited controller data acquiring and processing system based on DSP and working method thereof |
04/18/2007 | CN1949528A Passive electrically testable acceleration and voltage measurement devices and method of manufacture |
04/18/2007 | CN1948980A Remote short circuit multi-phase detecting method and detecting device thereof |
04/18/2007 | CN1948976A Electric field sensor |
04/18/2007 | CN1948974A Semiconductor integrated circuit device and electronic equipment |
04/17/2007 | US7206705 Method and apparatus for balancing capacitors in a capacitor bank |
04/17/2007 | US7205771 Current-measuring circuit arrangement |
04/12/2007 | WO2006121901A3 Cable locating device |
04/12/2007 | US20070080060 Potentiostatic circuit arrangement on a biosensor for digitisation of the measured current |
04/12/2007 | DE102005046921A1 Circuit arrangement for monitoring a load current using emissions from a semiconductor component |
04/12/2007 | DE102005032227B4 System zur Ruhestrommessung in Kraftfahrzeugen System for quiescent current measurement in motor vehicles |
04/12/2007 | DE102004024112B4 Schaltung zur Messung des Stromes durch einen Leistungs-MOSFET Circuit for measuring the current through a power MOSFET |
04/11/2007 | CN2888454Y Electronic power cut alarm |
04/11/2007 | CN1947026A Detection method for an electrical polyphase machine |
04/11/2007 | CN1947025A Direct current test apparatus |
04/11/2007 | CN1945962A Self anti-interference exciting control system based on double DSP and its working method |
04/11/2007 | CN1945913A Detecting system for relay protection fault and oscillation based on double CPU and its distinguishing method |
04/11/2007 | CN1945341A Method for testing the serviceability of transducers |
04/10/2007 | US7203104 Voltage detection circuit control device, memory control device with the same, and memory card with the same |
04/10/2007 | US7202796 Device and method for triggering a sensor for cables |
04/10/2007 | US7202731 Variable distortion limiter using clip detect predictor |
04/05/2007 | WO2007038236A2 Electric circuit tracer |
04/05/2007 | WO2007036019A1 Power up circuit with low power sleep mode operation |
04/05/2007 | WO2007007111A3 Current measurement apparatus |
04/05/2007 | WO2006102419A3 Automated electrical wiring inspection system |
04/05/2007 | US20070078616 Method and apparatus of voltage measurement |
04/05/2007 | US20070075711 Device for non-dissipative measurement of the current in an inductor |
04/05/2007 | US20070075709 Method and apparatus for detecting minute oscillation and WiBro repeater having the same |
04/05/2007 | DE202005021108U1 Spannungsmessgerät für elektrische Anwendungen Voltage meter for electrical applications |
04/05/2007 | DE19807913B4 Prüfsonde für ein Meßinstrument sowie ein die Prüfsonde enthaltendes Prüfgerät Probe for a measuring instrument and a probe containing the tester |
04/05/2007 | DE19749392B4 Strommeßschaltung Current measuring circuit |
04/05/2007 | DE102005041605A1 Method of determining the temperature- and magnetic field-dependent current-carrying capability of a bismuth high-temperature superconductor combines strong and weak link paths |
04/05/2007 | DE10136503B4 Abtastverstärkerschaltung und Ausgabedatenverstärker eines Halbleiterbauelementes Sense amplifier and amplifier output data of a semiconductor device |
04/04/2007 | EP1770405A1 System for the identification of consumers in an electrical net and method for using the system |
04/04/2007 | CN2886898Y DC power supply cabinet |
04/04/2007 | CN2886583Y A device for automatically detecting extent of electrification in transformer oil |
04/04/2007 | CN2886582Y A voltage detecting circuit of high-voltage frequency-variable speed regulator |
04/04/2007 | CN1942034A Multi-lamp driving system |
04/04/2007 | CN1940578A Non-contact inspection and its special device at marine-bottom pipeline cathode protecting state |
04/04/2007 | CN1940484A Optical-fibre voltage sensor |
04/04/2007 | CN1939209A Method for inspecting and re-constructing biophysical field |
04/03/2007 | US7200500 Determining parameters of an equivalent circuit representing a transmission section of an electrical network |
04/03/2007 | US7200499 Calculation device calculating available capacity of secondary battery and method of calculating the same |
04/03/2007 | US7199571 Probe apparatus for use in a separable connector, and systems including same |
04/03/2007 | CA2315896C Electronic circuit for monitoring voltage variation |
03/29/2007 | US20070069767 Differential amplifier |
03/29/2007 | US20070069715 High density metering system |
03/29/2007 | US20070069714 Method for measuring charge pump output current |
03/29/2007 | US20070069713 Power source for diagnostic instruments |
03/29/2007 | DE112005000986T5 Gleichstrom-Prüfvorrichtung DC Tester |
03/28/2007 | EP1767952A1 Electrical current sensor |
03/28/2007 | EP1766424A1 Non-intrusive power monitor |
03/28/2007 | CN2884222Y Device for measuring voltage of the break-end of cells |
03/28/2007 | CN2884216Y Current testing device |
03/28/2007 | CN2884211Y Apparatus for testing safety of electric engineering quality |
03/28/2007 | CN2884210Y Mobile communication terminal able to test electric current and voltage |
03/28/2007 | CN1938597A Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit |
03/28/2007 | CN1936605A Wide-zone electric-net phasor synchronous measuring device whose synchronous time scale can be freely set |
03/28/2007 | CN1936604A Detection circuit for detecting input voltage of transformer detection method |
03/28/2007 | CN1936603A Apparatus and method for measuring pixel driving current |
03/28/2007 | CN1935525A Apparatus and method of detecting abnormal condition of printhead |
03/28/2007 | CN1307424C Measured value output device, measured value monitor, current value output device, and current monitor |
03/27/2007 | US7196944 Voltage detection circuit control device, memory control device with the same, and memory card with the same |
03/22/2007 | WO2007032755A1 Method of forming a current sense circuit and structure therefor |
03/22/2007 | WO2006117732A3 A peak or zero current comparator |
03/22/2007 | US20070063753 Waveform detection, in particular for the representation of the root mean square of a waveform |
03/22/2007 | US20070063691 Temperature Compensated and Self-Calibrated Current Sensor |
03/22/2007 | US20070063689 Current measuring device |
03/22/2007 | US20070063688 Electric circuit tracer |
03/22/2007 | DE4314484B4 Datenerfassung zum Ansatz an ein mobiles elektronisches Vielfachmeßgerät, insbesondere ein Handmultimeter Collection of data on approach to a mobile electronic multimeter, especially a handheld multimeter |
03/22/2007 | DE102005044831A1 Verfahren und Vorrichtung zur Überwachung einer elektrischen Heizung Method and device for monitoring an electric heater |
03/22/2007 | CA2558793A1 High-density metering system |
03/21/2007 | EP1763676A2 Pade' approximant based compensation for integrated sensor modules and the like |
03/21/2007 | CN2882105Y Inverter special for vehicle |