| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 09/03/1996 | US5552700 Current detecting device with a core having an integrally fixed engaging member |
| 08/29/1996 | DE19606700A1 Internal voltage generating circuit for semiconductor memory |
| 08/27/1996 | US5550493 Potential comparing circuit having an offset correcting circuit |
| 08/22/1996 | WO1996025671A1 Method of determining an earth-fault current |
| 08/22/1996 | WO1996018108A3 Current comparator arrangement |
| 08/21/1996 | EP0727669A2 Temperature compensation means |
| 08/21/1996 | EP0671036A4 Instrumentation system with multiple sensor modules. |
| 08/21/1996 | CN1032609C Method for measuring resistant current basic-wave of gap-less metal-oxide lightning arrester and apparatus thereof |
| 08/20/1996 | US5548523 Monitoring device secured to power distribution system conductors |
| 08/20/1996 | US5548452 Circuit in a controller |
| 08/20/1996 | US5548232 Method and apparatus for detecting/storing waveform peak value |
| 08/20/1996 | US5548227 Decision circuit operable at a wide range of voltages |
| 08/20/1996 | US5548207 For three-phase ac power equipment |
| 08/20/1996 | US5548162 Electronic circuit having comparator |
| 08/14/1996 | EP0726471A2 Electro-optic voltage measurement apparatus |
| 08/14/1996 | EP0726470A2 Electro-optic voltage measurement apparatus |
| 08/14/1996 | DE19520315C1 Linear current=to-frequency converter for very small currents |
| 08/14/1996 | CN2233123Y Receptacle with electronic control |
| 08/14/1996 | CN2233090Y Sounding electroscope |
| 08/13/1996 | US5546332 Process for compensating for quasi-periodic disturbances of measurement signals |
| 08/13/1996 | US5546331 AC line voltage measurement and control |
| 08/13/1996 | US5546262 Electronic protection device |
| 08/13/1996 | US5546028 Chopper type comparator for an analog-to-digital converter |
| 08/13/1996 | US5545900 For producing a pulse-height distribution |
| 08/08/1996 | DE19506860C1 Verfahren zur Erfassung eines Erdschlußstromes A method for detecting a ground fault |
| 08/07/1996 | CN2232589Y Test instrument for protecting earth circuit continuous |
| 08/06/1996 | US5544065 Apparatus for digitizing ac signals of unknown or changing frequency |
| 08/06/1996 | US5544064 Apparatus and method for sampling signals synchronous with analog to digital converter |
| 08/06/1996 | US5543706 Circuit and method for measuring current in a circuit |
| 08/01/1996 | WO1996023363A1 Method for simulating radio wave propagation, method for estimating intensity of wave field, and method for estimating three-dimensional delay dispersion |
| 08/01/1996 | WO1996023347A1 A method for measuring phase currents in an inverter |
| 07/31/1996 | EP0724161A2 Electrical apparatus with wide dynamic range for monitoring and protecting electric power systems |
| 07/30/1996 | US5541600 Signal processing circuit including a variable gain input stage |
| 07/30/1996 | US5541551 Analog voltage reference generator system |
| 07/30/1996 | US5541531 Switch capacitor interface circuit |
| 07/30/1996 | US5541520 Filtering for electronic module test |
| 07/30/1996 | US5541502 Level measuring set for low-frequency signals |
| 07/25/1996 | WO1996022541A1 Fault current sensor device with radio transceiver |
| 07/24/1996 | EP0723160A1 Voltage detection circuit compensated for technology and for temperature |
| 07/24/1996 | EP0723157A1 Method and apparatus for determining and selectively displaying valid measurement information |
| 07/24/1996 | CN1127444A Power-out reset system |
| 07/23/1996 | US5539655 Apparatus for detecting out of phase of power systems and method for detecting the same |
| 07/23/1996 | US5539320 Method for determining the current flowing through a load in a motor vehicle |
| 07/18/1996 | WO1996021842A1 Method and device for electronic compensation of electrical disturbance signals and use thereof |
| 07/17/1996 | EP0722216A2 Split-path linear isolation circuit apparatus and method |
| 07/17/1996 | EP0721722A1 Method of predicting voltages in telephone line measurement |
| 07/17/1996 | EP0721589A1 Method and device for measuring an alternating electrical quantity to include temperature compensation |
| 07/17/1996 | CN1126852A Monitoring device secured to power distribution system conductors |
| 07/17/1996 | CN1126840A Testing method and equipment of contact drop |
| 07/16/1996 | US5537077 Power supply dependent method of controlling a charge pump |
| 07/16/1996 | US5537065 For generating an output voltage signal in response to a supply voltage |
| 07/16/1996 | US5537024 Circuit arrangement to detect a voltage |
| 07/16/1996 | US5536934 Light intensity deterioration detecting circuit with compensation for resistance errors |
| 07/11/1996 | WO1996021158A1 Microcontroller with brown-out detection |
| 07/10/1996 | CN2230933Y Universal voltage tester |
| 07/10/1996 | CN2230932Y Voltage tester with audio-video indicator |
| 07/10/1996 | CN2230931Y Storage type voltage tester |
| 07/10/1996 | CN1126319A Apparatus for digitizing AC signals of unknown or changing frequency |
| 07/09/1996 | US5534817 Voltage generating circuit |
| 07/09/1996 | CA2068050C Pulse signal averaging circuit with sampling interval dependent on pulse amplitude |
| 07/02/1996 | US5532628 Fast comparator circuit |
| 07/02/1996 | US5532626 Off-line controller having a line voltage detector and a switched current bootstrap circuit |
| 07/02/1996 | US5532602 Diagnostic circuit and method for amperometrically determining the current passing through a sensor |
| 06/27/1996 | DE4446535A1 Schaltungsanordnung zur Amplitudenmessung Circuit arrangement for amplitude measurement |
| 06/27/1996 | DE4443862A1 Sichere Spannungsüberwachung Safe voltage monitoring |
| 06/26/1996 | EP0718634A1 Circuit for the output of voltage extremum |
| 06/25/1996 | US5530373 Method and apparatus for determining and selectively displaying valid measurement information |
| 06/19/1996 | EP0717274A2 Current ratio circuit for multicolor imaging |
| 06/19/1996 | EP0716748A1 Digital process for finding a measured quantity from an electric signal |
| 06/19/1996 | EP0716747A1 An improved-sensitivity high-resolution comparator |
| 06/19/1996 | CN2229331Y Centre punch with function of electric-measuring pen |
| 06/18/1996 | US5528136 VLSI component tester with average current measuring capability |
| 06/18/1996 | US5527630 Battery check apparatus |
| 06/13/1996 | WO1996018108A2 Current comparator arrangement |
| 06/13/1996 | WO1996018107A1 Reliable voltage monitoring system |
| 06/13/1996 | CA2201136A1 Performance monitor for electric vehicle |
| 06/13/1996 | CA2161608A1 Current ratio circuit for multi-color imaging |
| 06/12/1996 | EP0715745A1 Device for triggering a warning device |
| 06/12/1996 | CN2229087Y Automotive circuit tester |
| 06/12/1996 | CN2229086Y Multifunctional test pencil |
| 06/12/1996 | CN2229085Y Vibration type test pencil |
| 06/12/1996 | CN2229084Y Microcomputerized in-line measurement multipurpose digital meter |
| 06/11/1996 | US5525898 Programmable multi-channel load profile recorder and method of recording electrical energy metering quantities therein |
| 06/11/1996 | US5525439 Battery voltage tester for end of cell having indicator disposed on battery side |
| 06/04/1996 | US5523677 DC current sensor |
| 06/04/1996 | US5523676 Sample and hold method and apparatus for sensing inductive load current |
| 05/30/1996 | WO1996016476A1 High speed overvoltage detection and protection circuit |
| 05/30/1996 | DE19542989A1 System for detecting open and short circuits in semiconductor wiring |
| 05/29/1996 | CN1123493A Receiving system having a large dynamic range |
| 05/28/1996 | US5521543 Averaging circuit |
| 05/23/1996 | DE19510387C1 Polarity display arrangement for ISDN terminal |
| 05/22/1996 | EP0713279A1 Apparatus providing protection and metering in an ac electrical system utilizing a multi-function sampling technique |
| 05/22/1996 | EP0713220A1 A voltage reference circuit |
| 05/22/1996 | EP0713166A1 A voltage reference circuit |
| 05/22/1996 | EP0465567B1 Voltage-to-frequency squared circuit |
| 05/22/1996 | CN1122917A Cable signal detecting and measuring apparatus |
| 05/22/1996 | CN1031848C Method for mfg. amorphous metallic alloy magnetic core used for magnetic compensation type Hall current sensor |
| 05/21/1996 | US5519561 Circuit breaker using bimetal of thermal-magnetic trip to sense current |
| 05/21/1996 | US5519348 Sense circuit, memory circuit, negative-resistance circuit, schmitt trigger, load circuit, level shifter, and amplifier |
| 05/21/1996 | US5519342 Transient digitizer with displacement current samplers |