Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
---|
08/28/1997 | CA2198660A1 Apparatus for triggering alarms and waveform capture in an electronic power system |
08/21/1997 | WO1997023069A3 Process and device for detecting the transmission properties of mobile wireless telecommunication devices |
08/19/1997 | US5659252 Apparatus and method for detecting arcing in a CRT |
08/19/1997 | US5658673 Microwave-sensitive article |
08/13/1997 | EP0789462A2 Method and apparatus for processing time domain cross-talk information |
08/13/1997 | EP0789247A2 Method and apparatus for detection and acquisition of automotive fuel injector voltage signal pulse width |
08/13/1997 | CN2259632Y Three-phase electric machine phase sequence test instrument |
08/12/1997 | US5657244 Distinguishing power line arcing from RF emissions |
08/12/1997 | US5657023 Self-phase up of array antennas with non-uniform element mutual coupling and arbitrary lattice orientation |
08/12/1997 | US5656932 Non-contact type wave signal observation apparatus |
08/06/1997 | EP0787995A2 Waveform analyzer |
07/31/1997 | WO1997027400A1 Measuring circuit for sensing ionisation within a cylinder of a combustion engine |
07/31/1997 | DE19628918C1 Arrangement for detecting HF noise signal on board aircraft esp. passenger aircraft |
07/30/1997 | EP0786094A1 System and method for making electromagnetic measurements using a transverse electromagnetic cell |
07/24/1997 | WO1997026545A1 Tem waveguide |
07/23/1997 | EP0785619A2 Method for computer assisted iterative determination of the transient response of a quartz resonator |
07/22/1997 | US5650935 Apparatus for calculating intensity of an electromagnetic field |
07/22/1997 | US5650731 Photovoltaic oxide charge measurement probe technique |
07/16/1997 | EP0784206A2 Means for measuring the electric field |
07/16/1997 | EP0783673A1 Variable frequency microwave tropopause sensor system and method |
07/15/1997 | US5647379 Correlator based electromagnetic interference responsive control system useful in medical devices |
07/10/1997 | WO1997024624A1 Antenna adapter |
07/03/1997 | WO1997023738A1 Charge transfer capacitance sensor |
07/03/1997 | DE19652890A1 Delay time measuring method for generating random pulse sequence |
07/02/1997 | EP0782003A2 Means for EMC-testing electrical appliances |
07/02/1997 | CN1153307A Under-voltage timing method and under-voltage timing device thereby |
07/01/1997 | US5644316 Active phased array adjustment using transmit amplitude adjustment range measurements |
07/01/1997 | US5644220 Process and apparatus for measuring charge quantity flowing in a vacuum |
06/26/1997 | WO1997023069A2 Process and device for detecting the transmission properties of mobile wireless telecommunication devices |
06/25/1997 | EP0780693A2 Process and means for producing and receiving electromagnet waves for testing purposes |
06/25/1997 | EP0780690A2 Field sensor |
06/24/1997 | US5642039 Handheld vector network analyzer |
06/24/1997 | US5642038 Method of detecting partial discharge using frequency spectrum analyzer |
06/18/1997 | CN2256537Y Micro anti-high voltage alarm |
06/17/1997 | US5640697 Wideband multiple conversion receiver system with means for avoiding receiver spurs by combined switching of multiple local oscillator frequencies |
06/12/1997 | DE19649215A1 Antenne Antenna |
06/11/1997 | EP0778533A2 Electromagnetic fed intensity calculation apparatus and method |
06/10/1997 | US5637994 Waveform measurement |
06/05/1997 | DE19648750A1 Waveform identity discriminating circuit for identifying same programmes in FM RDS radio receiver |
06/03/1997 | US5635831 Optical voltage and electric field sensor based on the pockels effect |
05/29/1997 | WO1997019527A1 Submillimeter indirect heterodyne receiver and mixer element |
05/29/1997 | CA2237661A1 Submillimeter indirect heterodyne receiver and mixer element |
05/28/1997 | EP0775295A1 A piezoelectric crystal microbalance device |
05/28/1997 | EP0632900A4 Method and means for determining directional characteristics of large sensor or radiator arrays. |
05/28/1997 | EP0543835B1 Method and device for supervising the condition of a receiving antenna |
05/28/1997 | DE19647090A1 Measuring power loss through transmission signal leaking to adjacent channel |
05/27/1997 | US5633700 Actuator for actuating a surface contacting probe of a contacting electrostatic voltmeter |
05/27/1997 | US5633582 Combined signal level meter and leakage detector |
05/21/1997 | CN1150499A Antenna array calibration |
05/20/1997 | US5631661 Geometrically optimized anechoic chamber |
05/15/1997 | WO1997017617A1 Method and apparatus for high-speed scanning of electromagnetic emission levels |
05/15/1997 | DE19645953A1 Measuring correlation function between first and second observation signals |
05/14/1997 | EP0773447A2 Time counting circuit, pulse converting circuit and FM demodulating circuit |
05/14/1997 | EP0772947A2 Antenna and feeder cable tester |
05/14/1997 | CN1149794A Equipment for measuring signal transmission time of a digit transmission device |
05/13/1997 | US5629647 Audio amplifier switching noise measuring method and device |
05/07/1997 | EP0772053A2 Electromagnetic radiation measuring apparatus |
05/07/1997 | EP0772047A1 Electric field measuring device |
05/07/1997 | EP0771422A1 Process for measuring phase jitter of a data signal |
05/07/1997 | CN2253833Y Dynamic phase sequence display meter |
05/06/1997 | US5627521 Personal microwave and radio frequency detector |
05/02/1997 | EP0770879A2 Measuring device for amount of charge of developer |
04/30/1997 | CN2253481Y Multi-functional local discharge detecting analyzer |
04/29/1997 | US5625284 Electric field sensor having sensor head with unbalanced electric field shield to shield branched optical waveguides against an applied electric field |
04/23/1997 | EP0597041B1 Pulse time of arrival detection apparatus for precision distance measuring equipment applications |
04/22/1997 | US5623429 Techniques for expeditiously predicting electromagnetic wave propagation |
04/16/1997 | EP0767916A1 High-impedance electro-optic transducer |
04/15/1997 | US5621649 Method for analyzing electromagnetic field |
04/10/1997 | WO1997013128A1 Active pyrometer for self-calibrated furnace temperature measurements |
04/10/1997 | WO1997005508A3 Lightning locating system |
04/10/1997 | DE19549246C1 Electromagnetic wave generation and reception method for immunity testing |
04/10/1997 | DE19536948A1 Zero levelling of battery driven field amplifier meter |
04/03/1997 | WO1997012419A1 Electrode |
04/03/1997 | WO1997012253A1 Antenna pattern measurement method and device |
04/03/1997 | WO1997012252A1 Broadband tem-horn antenna |
04/03/1997 | WO1997012251A1 Dual polarization electromagnetic field simulator |
04/03/1997 | DE19541188C1 Classification method for type of modulation of complex data signal |
04/01/1997 | US5617329 Mains phase determination |
03/27/1997 | DE19535251A1 Measurement system with measuring head contg. movably located positionable probe |
03/19/1997 | EP0763266A1 Antenna array calibration |
03/13/1997 | WO1997009627A1 Electric field measurement system |
03/13/1997 | DE19635890A1 Spectral analysis for measurement e.g. of carrier-to-noise ratio |
03/13/1997 | DE19601348C1 TEM waveguide for electromagnetic interference characteristics testing |
03/13/1997 | DE19533113A1 Vorrichtung zum Messen der Signallaufzeit einer digitalen Übertragungseinrichtung Apparatus for measuring the signal propagation delay of a digital transmission facility |
03/12/1997 | EP0762667A2 Measuring device of the propagation time in a digital transmission system |
03/12/1997 | EP0762589A1 Device for recording strokes of lightning |
03/12/1997 | EP0762540A1 EMC-measurement room |
03/12/1997 | EP0760954A1 Phase noise detector |
03/11/1997 | US5610519 Device and method for measuring specific absorption rate of electromagnetic waves in models of human bodies |
03/11/1997 | US5610510 High-temperature superconducting thin film nonbolometric microwave detection system and method |
03/04/1997 | US5608331 Noise measurement test system |
03/01/1997 | CA2165362A1 Method of detecting partial discharge using frequency spectrum analyzer |
02/27/1997 | WO1997007478A1 Apparatus for detecting presence of piezoelectric material______ |
02/26/1997 | EP0759557A2 Electro-optic probing apparatus using trigger circuit |
02/26/1997 | CN1034117C Safety devices for elevator |
02/25/1997 | US5606328 RF isolation inspection tool |
02/18/1997 | US5604751 Time linearity measurement using a frequency locked, dual sequencer automatic test system |
02/13/1997 | WO1997005508A2 Lightning locating system |
02/13/1997 | WO1997005460A1 Variable frequency microwave tropopause sensor system and method |
02/12/1997 | EP0758090A2 An electromagnetic wave-to-optical signal converting and modulating device and a communication system using the same |