| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 03/15/1995 | CN2192041Y Arrangement for testing gapless metal oxidate arrester impedance current fundamental wave |
| 03/14/1995 | US5398025 Input module |
| 03/14/1995 | US5397990 Device for accurately detecting ion current of internal combustion engine by masking noise generated by an ignition coil |
| 03/14/1995 | US5397983 Vibration based deenergized cable detector and method |
| 03/14/1995 | US5397982 Releasable sensor for conductor fault detection including a rigid trigger arm |
| 03/09/1995 | WO1995006928A1 Device for triggering a warning device |
| 03/09/1995 | WO1995006880A1 Digital process for finding a measured quantity from an electric signal |
| 03/09/1995 | WO1995006879A1 An improved-sensitivity high-resolution comparator |
| 03/08/1995 | EP0642198A1 Electronic load protecting device |
| 03/08/1995 | EP0641445A1 A method of sensing the rms value of a waveform |
| 03/07/1995 | US5396176 Combustion condition diagnosis utilizing multiple sampling of ionic current |
| 03/02/1995 | DE4429749A1 Methode und elektronischer Kreis für die Analyse analoger Signale Method and electronic circuit for the analysis of analog signals |
| 03/02/1995 | DE4329169A1 Device for monitoring voltages across capacitors for filtering harmonics and/or reactive-power compensation in power networks |
| 03/02/1995 | DE4328971A1 Method for receiver-side detection of an AC signal voltage transmitted via a communication line |
| 03/01/1995 | EP0641057A1 Distribution system for two or more electrical consumers |
| 03/01/1995 | EP0640811A1 Sinusoidal signal demodulation |
| 03/01/1995 | EP0640218A1 High-speed, high-impedance external photoconductive-type sampling probe/pulser |
| 03/01/1995 | EP0454860B1 Potential sensor using electro-optical crystal and method of measuring potential |
| 03/01/1995 | CN2190791Y Test pencil for automobile |
| 03/01/1995 | CN2190790Y High or low pressure induction acousto-optic alarm badge |
| 02/28/1995 | US5394107 Absolute value circuit |
| 02/23/1995 | DE4328630A1 Method and arrangement for detecting zero crossing of the fundamental wave of periodic AC voltages subject to frequency fluctuations |
| 02/22/1995 | CN2190305Y Portable inspector for electric appliances |
| 02/22/1995 | CN2190304Y Multifunctional circuits inspecter |
| 02/22/1995 | CN1027715C Digital voltage flash changing detector |
| 02/16/1995 | WO1995005023A1 Method and apparatus for rms current approximation |
| 02/15/1995 | EP0638811A2 Estimator of amplitude and frequency of a noisy biased sinusoid from short bursts of samples |
| 02/14/1995 | US5390030 Peak holding circuit and video processing unit using the same |
| 02/14/1995 | US5389470 Temperature responsive battery tester |
| 02/09/1995 | DE4326538A1 Analog peak-value measuring instrument |
| 02/07/1995 | US5387874 Method and circuit for dynamic voltage intergration |
| 02/07/1995 | US5387788 Method and apparatus for positioning and biasing an electro-optic modulator of an electro-optic imaging system |
| 02/07/1995 | CA2034047C Transimpedance circuit |
| 02/01/1995 | EP0637135A1 Comparator circuit and method of controlling comparator circuit |
| 02/01/1995 | EP0636892A2 Electrostatic voltmeter |
| 02/01/1995 | EP0636889A1 Current estimating circuit for switch mode power supply |
| 02/01/1995 | CN2188811Y Electric leakage alarming socket |
| 01/25/1995 | EP0635725A2 Electronic circuit for monitoring the presence of a voltage and for comparing the phase in conductors of electric lines |
| 01/24/1995 | US5384638 Sampling-type optical voltage detector utilizing movement of interference fringe |
| 01/19/1995 | DE4319643C1 Device for testing and/or measuring electrical quantities |
| 01/18/1995 | EP0634611A1 Multi-level flame current sensing circuit |
| 01/18/1995 | EP0619021A4 Current sensor. |
| 01/18/1995 | CN2187845Y Electricity shock-proof socket |
| 01/18/1995 | CN2187795Y Multi-function electricity tester |
| 01/18/1995 | CN1027470C Integrated poly-phase power meter |
| 01/17/1995 | US5383086 System and method for triggering an inductive consumer |
| 01/17/1995 | US5383084 Circuit analyzing system |
| 01/17/1995 | US5382956 Integrated circuit for physiological signal measurement |
| 01/17/1995 | US5382895 System for tomographic determination of the power distribution in electron beams |
| 01/17/1995 | CA2124039A1 Multi-level flame current sensing circuit |
| 01/12/1995 | DE4321580A1 Semi-conductor chip |
| 01/12/1995 | DE4318584A1 Circuit arrangement for evaluating high-frequency AC voltage signals |
| 01/11/1995 | EP0633477A1 Vector measuring appliance for hyper frequency signals of the same pulsation, of the six-port type |
| 01/11/1995 | EP0633476A2 Reduced flux current sensor |
| 01/10/1995 | US5381054 Multiple input comparator circuit for a switched resistive network |
| 01/10/1995 | US5381053 Voltage comparator circuit capable of avoiding erroneous operation |
| 01/05/1995 | WO1995000856A1 Measurement amplifier |
| 01/05/1995 | WO1995000855A1 Measurement amplifier |
| 01/04/1995 | EP0632278A1 Power on system |
| 01/04/1995 | EP0632277A2 Testing device |
| 01/04/1995 | CN1097065A Intelligent electric current monitor |
| 01/04/1995 | CN1027323C Data acquisition systems with programmable bit-serial digitals ignal processors |
| 01/03/1995 | US5378998 Current measurement circuits |
| 01/03/1995 | US5378873 Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals |
| 01/03/1995 | CA2125611A1 Power on system |
| 12/28/1994 | EP0631395A1 Signal processing circuitry comprising an input stage with variable gain |
| 12/28/1994 | EP0631371A2 Circuit for estimating a peak or RMS value of a sinusoidal voltage waveform |
| 12/28/1994 | EP0631146A1 Testing circuit and method of determining the current flowing through a sensor |
| 12/28/1994 | CN1096894A Data acquisition systems with programmable bit-serial digital signal processors |
| 12/27/1994 | US5377131 Digital amplitude estimator |
| 12/27/1994 | US5377128 Self-calibrating instrumentation system with multiple sensor modules |
| 12/27/1994 | US5376920 Power fail detection circuit |
| 12/27/1994 | US5376880 Method and apparatus for measuring the average power in an electric signal |
| 12/21/1994 | EP0629951A1 Semiconductor integrated circuit with a test mode |
| 12/21/1994 | CN2185908Y AC voltage/current and phase position read memory |
| 12/20/1994 | US5375073 Instrumentation system with multiple sensor modules providing accuracy code information |
| 12/20/1994 | US5374923 Power-on detecting circuit |
| 12/20/1994 | US5374855 Apparatus and a method for detecting the coincidence of two signal levels |
| 12/14/1994 | EP0628827A1 IC device including a level detection circuit of an operating voltage |
| 12/13/1994 | US5373236 Highly accurate zero crossings for frequency determination |
| 12/08/1994 | DE4318493A1 Method for evaluating electrical signals registered in the vicinity of nerve cells |
| 12/08/1994 | DE4318288A1 Testing device |
| 12/07/1994 | EP0627817A1 Direct current sum bandgap voltage comparator |
| 12/07/1994 | EP0627630A2 Differential current sensing method and apparatus |
| 12/07/1994 | EP0627622A2 An ion current detector device for use in an internal combustion engine |
| 12/06/1994 | US5371362 Nuclear detection process with base potential correction and correspnding apparatus (particularly a gamma-camera) |
| 12/01/1994 | CA2097397A1 High precision rf vector analysis system based on synchronous sampling |
| 11/30/1994 | EP0626582A1 Temperature-compensated voltage comparator |
| 11/30/1994 | EP0626581A1 Low power intelligent current source for monitoring a high voltage |
| 11/30/1994 | EP0386272B1 Current sensor circuit |
| 11/24/1994 | WO1994027336A1 Temperature responsive battery tester |
| 11/24/1994 | DE4316781A1 Multiple thermoconverter in thin film construction |
| 11/24/1994 | CA2162290A1 Temperature responsive battery tester |
| 11/23/1994 | EP0625755A2 Median value detection technique |
| 11/22/1994 | US5367251 Tool for grasping and piercing insulated electrical cable for determining whether conductor of cable is energized |
| 11/22/1994 | US5367250 Electrical tester with electrical energizable test probe |
| 11/22/1994 | US5367203 System for determining the time at which an analog voltage crosses a voltage threshold |
| 11/17/1994 | EP0624802A2 Alternating voltage signals rectifying circuit |
| 11/16/1994 | CN1095200A Modulated dither signal |
| 11/16/1994 | CN1095162A Differential current sensing method and apparatus |