| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/01/1995 | CA2141401A1 Battery capacity detector |
| 07/25/1995 | US5437040 Electronic system with variable threshold power failure signaling |
| 07/25/1995 | US5436581 Circuit arrangement for monitoring the drain current of a metal oxide semiconductor field effect transistor |
| 07/25/1995 | US5436545 System for accurately measuring current in PWM amplifier driven loads |
| 07/20/1995 | WO1995019573A1 Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 07/20/1995 | DE4424059C1 Digital measurement of ac voltage, ac current and phase angle of measurement signal |
| 07/19/1995 | EP0663598A2 Means for determining current pulses of lightning conductors or similar |
| 07/19/1995 | EP0663597A2 Dual comparator trigger circuit with independent voltage level adjustment |
| 07/19/1995 | EP0663596A2 Electro-optic voltage probe with fibre optic plate |
| 07/18/1995 | US5434521 Integrated comparator circuit |
| 07/18/1995 | US5434495 Cognition device for battery residual capacity |
| 07/14/1995 | CA2123773A1 Dual comparator trigger circuit with independent voltage level adjustment |
| 07/05/1995 | EP0661547A1 DC current sensor |
| 07/05/1995 | EP0414795B1 Voltage controlling and indicating device |
| 07/05/1995 | CN2202926Y Portable automatic alarming protector of high and low wire pressing device |
| 07/04/1995 | US5430370 Integration circuit to determine ignition timing |
| 06/27/1995 | US5428495 Electrical switching apparatus with digital trip unit and automatic frequency selection |
| 06/27/1995 | US5428342 Analyzing system for operating condition of electrical apparatus |
| 06/27/1995 | US5428307 Closed-loop peak detector topology |
| 06/22/1995 | WO1995016925A1 Peak magnetic field detector with non-volatile storage |
| 06/22/1995 | WO1995016382A1 Improved carpet cleaning machine with convertible-use feature |
| 06/22/1995 | DE4445808A1 CMOS differential amplifier circuit with min. current-source voltage |
| 06/22/1995 | DE4402762C1 Verfahren zum Erfassen des Stromes in einem Leiter eines Wechselstrom-Energieübertragungsnetzes A method of detecting the current in a conductor of an AC power transmission network |
| 06/21/1995 | EP0537144B1 Data encodement and reading method and apparatus |
| 06/21/1995 | CN2201671Y High voltage charged display instrument |
| 06/21/1995 | CN1103991A 电路断路器 Circuit breaker |
| 06/20/1995 | US5426386 Low-power semiconductor voltage comparator with hysteresis |
| 06/14/1995 | EP0658001A1 Multiple input comparator circuit for a switched resistive network |
| 06/14/1995 | EP0658000A2 A fast comparator circuit |
| 06/14/1995 | CN2200825Y Storage bettery tester |
| 06/13/1995 | US5424961 Process and system for measuring the temporal course of a periodic signal having high time resolution according to a "Boxcar-like" process |
| 06/13/1995 | US5424663 Integrated high voltage differential sensor using the inverse gain of high voltage transistors |
| 06/13/1995 | US5424630 Circuit test device for detecting the presence of an electric current in a conductor |
| 06/08/1995 | DE4341425A1 Determining current representing measurement value flowing through load in vehicle |
| 06/07/1995 | CN2200187Y Recorder for detecting high voltage open phase |
| 06/06/1995 | US5422630 Continuous monitoring electrostatic discharge system |
| 05/31/1995 | EP0655553A1 Generation of a diagnostic signal when the current through a power transistor reaches a level close to a limit current |
| 05/31/1995 | EP0655137A1 Level measuring set. |
| 05/31/1995 | CN2199541Y Inductive test pencil |
| 05/30/1995 | US5420869 Semiconductor integrated circuit device |
| 05/30/1995 | US5420530 Voltage comparator with hysteresis |
| 05/30/1995 | US5420511 System for continuous monitoring of the electrical conduction of an AC power system |
| 05/30/1995 | US5420504 Noninductive shunt current sensor based on concentric-pipe geometry |
| 05/30/1995 | US5420464 RF voltage/current sensor apparatus |
| 05/24/1995 | DE4339560A1 Checking and monitoring of digital video or audio signal connections |
| 05/24/1995 | CN2198612Y Multifunction alarm for substation |
| 05/24/1995 | CN2198611Y Neon tube for determing potential polarity |
| 05/23/1995 | US5418472 For activating a logic device |
| 05/23/1995 | US5418450 Coupling circuit for a measuring instrument |
| 05/23/1995 | US5418409 Comparator circuit for triggering a switching process when a variable measurement signal passes through a switching threshold |
| 05/23/1995 | US5418085 Battery voltage tester for end of cell |
| 05/18/1995 | WO1995013655A1 Method and apparatus for detecting an input signal level |
| 05/18/1995 | DE4339241A1 Circuit for monitoring and detecting the failure of the neutral or phase conductor of a three-phase supply |
| 05/18/1995 | DE4338714A1 Schaltungsanordnung zur Strommessung über einen Schalttransistor Circuit arrangement for measuring the current through a switching transistor |
| 05/17/1995 | EP0653070A1 High speed power analyzer |
| 05/17/1995 | CN2197175Y Screw driver with light and voltage tester |
| 05/16/1995 | US5416798 Device for measuring the average value of pulse signals |
| 05/16/1995 | US5416432 Median peak detector for controlling disk pickup head |
| 05/16/1995 | US5416426 Method of measuring a voltage with an electron beam apparatus |
| 05/16/1995 | US5416402 State of charge indicator for deep-cycle application |
| 05/16/1995 | US5416369 High-sensitivity high-resolution comparator |
| 05/10/1995 | CN1102478A Improved power on system |
| 05/09/1995 | US5414344 Non-contact apparatus for sensing energization of high voltage signal line |
| 05/03/1995 | EP0651506A2 Integrated comparator circuit |
| 05/03/1995 | EP0651498A1 Current detection in power conversion |
| 05/03/1995 | EP0651258A2 DC current sensor |
| 05/03/1995 | CN2196309Y Induction type multipurpose electricity tester |
| 05/03/1995 | CA2134576A1 Dc current sensor |
| 04/27/1995 | DE4334633C1 Method and circuit arrangement for evaluating stochastically occurring measured values |
| 04/26/1995 | EP0650067A1 Electrooptic instrument |
| 04/20/1995 | DE4401070C1 Device for mounting a data carrier on an electrical conductor |
| 04/18/1995 | US5408194 Adaptive analog minimum/maximum selector and subtractor circuit |
| 04/18/1995 | US5407439 Multi-layer female component for refastenable fastening device and method of making the same |
| 04/13/1995 | WO1995010046A1 Method and device for measuring an alternating electrical quantity to include temperature compensation |
| 04/12/1995 | EP0648008A1 Pulse width modulation inverter current detection method |
| 04/12/1995 | EP0647898A1 An apparatus for activating a logic device |
| 04/12/1995 | EP0647854A1 Current sensor and motor rotation sensor using the current sensor |
| 04/12/1995 | EP0647853A2 DC current sensor |
| 04/12/1995 | EP0516687B1 Signal conditioning circuit |
| 04/12/1995 | CN2194515Y Multi-function automobile fault detector |
| 04/11/1995 | US5406247 Median value detection technique |
| 04/11/1995 | US5406196 Maximum voltage detecting apparatus using ferroelectric substance |
| 04/11/1995 | US5406194 High speed resolution |
| 04/06/1995 | DE4333660A1 Method for forming the mean value of an analog zero-frequency quantity |
| 04/05/1995 | CN2194006Y Current sensor |
| 04/04/1995 | US5404388 Digital measurement of amplitude and phase of a sinusoidal signal and detection of load coil based on said measurement |
| 04/04/1995 | US5404058 Level detecting circuit |
| 03/30/1995 | WO1995008893A1 Method of predicting voltages in telephone line measurement |
| 03/30/1995 | DE4332403A1 Electrical circuit arrangement and its use for level limit-value detection in containers with electrically conductive media |
| 03/29/1995 | EP0645661A1 Liquid crystal projection panel |
| 03/29/1995 | EP0645060A1 Device for signal shaping and for reference mark recognition |
| 03/29/1995 | CN2193554Y 实用测电笔 Practical test pencil |
| 03/28/1995 | US5402020 Low voltage detecting circuit |
| 03/22/1995 | CN2192951Y Monopole high-sensitive neon tube |
| 03/22/1995 | CN2192892Y Test pencil for vehicle |
| 03/21/1995 | US5400290 Semiconductor device allowing accurate characteristics test |
| 03/21/1995 | US5399964 Peak amplitude detector for use in a synchronized position demodulator |
| 03/16/1995 | DE4331379A1 Operation of a load circuit with load recognition |
| 03/16/1995 | DE4330739A1 Test device for tractive-unit AC monitoring device |
| 03/15/1995 | EP0642708A1 Automatic calibration system for a ramp voltage generator |