| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
|---|
| 11/09/1999 | US5982331 Dual polarization electromagnetic field simulator |
| 11/04/1999 | DE19910904A1 Signal quality measuring receiver for reception of digital modulated broadcast signal |
| 11/04/1999 | DE19819352A1 Field minimizing arrangement with acoustic signal generators, e.g. loudspeakers |
| 11/03/1999 | CN2347181Y Multifunctional electrostatic conductive displaying instrument for oil depot |
| 11/02/1999 | US5977762 Lightning detection apparatus and methodology |
| 10/28/1999 | DE19917661A1 Visual radio wave representation apparatus for determining directional characteristic of antenna |
| 10/28/1999 | DE19818290A1 Measuring arrangement for electromagnetic acceptability of domestic appliances |
| 10/26/1999 | US5974178 Wavesource image visualization method using a partial division fast fourier transform |
| 10/26/1999 | US5974087 Waveform quality measuring method and apparatus |
| 10/26/1999 | US5973523 Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit |
| 10/26/1999 | CA2074827C Integrated optics pockels cell voltage sensor |
| 10/20/1999 | EP0950900A2 Electromagnetic wave source probing device and method with the probing device |
| 10/19/1999 | US5970429 Method and apparatus for measuring electrical noise in devices |
| 10/19/1999 | US5970395 Apparatus and method for detecting an interference radiation on board of an aircraft |
| 10/19/1999 | US5969664 Method for characterizing air traffic control radar beacon system antenna patterns |
| 10/19/1999 | US5969341 Optical integrated voltage sensor for optically measuring the magnitude of a voltage |
| 10/14/1999 | WO1999052313A1 A method for measuring the field strength map of an hf-broadcast transmitter |
| 10/14/1999 | DE19904487A1 Measuring axis symmetrical electric or magnetic fields produced by electric or magnetic field generator |
| 10/14/1999 | DE19860051A1 Simulation system based upon solution of simultaneous differential equations |
| 10/13/1999 | EP0949831A1 A method for measuring the field strength map of a HF-Broadcast transmitter |
| 10/13/1999 | EP0948712A1 Apparatus and method for sensing movement of fuel injector valve |
| 10/12/1999 | US5966017 Devices, methods and systems using load-pulled electronic monitoring |
| 10/12/1999 | US5966015 Test fixture for circuit component |
| 10/06/1999 | CN1231086A Method for estimating angular spread of signal transmitted from transmitter to receiver and corresponding receiver |
| 10/05/1999 | US5963589 Digital signal modulation analysis device |
| 10/05/1999 | US5963510 Time measurement device |
| 10/05/1999 | US5963034 Electro-optic electromagnetic field sensor system with optical bias adjustment |
| 09/30/1999 | DE19812923A1 Transmission and reception behaviour determination method for hand-held radio apparatus |
| 09/29/1999 | EP0945732A2 A method for optimizing the drive of a piezoelectric actuator, in particular for phacoemulsifier devices, by dynamic detection of its electromechanical characteristics and device based thereupon |
| 09/29/1999 | CN1230258A Process for standardising intensity of optical sensors used for measuring periodically oscillating electric or magnetic field intensities |
| 09/28/1999 | US5959858 Electric power conversion apparatus |
| 09/28/1999 | US5959815 Method and apparatus for detecting potentially damaging electrical fields |
| 09/28/1999 | US5959583 Antenna adapter |
| 09/28/1999 | US5959505 Crystal oscillator for measuring crystal impedance of a crystal unit |
| 09/23/1999 | WO1999048270A1 Detection system for potentially damaging electrical fields |
| 09/23/1999 | WO1999048194A1 Electric motor monitoring circuit |
| 09/22/1999 | EP0943174A1 Microwave active solid state cold/warm noise source |
| 09/21/1999 | US5955954 Warning and measuring device for personal protection in electromagnetic fields |
| 09/16/1999 | WO1999046608A1 Simultaneous display of primary measurement values and derived parameters |
| 09/16/1999 | WO1999046607A1 Apparatus for measuring high frequency currents |
| 09/16/1999 | CA2323085A1 Simultaneous display of primary measurement values and derived parameters |
| 09/14/1999 | US5952834 Low noise signal synthesizer and phase noise measurement system |
| 09/14/1999 | US5952818 Electro-optical sensing apparatus and method for characterizing free-space electromagnetic radiation |
| 09/09/1999 | DE19851812A1 Adjusting setup equipment under test for electromagnetic compatibility testing |
| 09/08/1999 | EP0940004A1 Apparatus for tracking resonant frequency |
| 09/08/1999 | CN2337566Y Multifunction digital universal meter capable of being as a pen |
| 09/07/1999 | US5949380 Antenna tester |
| 09/07/1999 | US5949230 Non-contact voltage probe apparatus |
| 08/31/1999 | US5945663 Charge measurement circuit which includes a charge sensitive amplifier holding input to a constant voltage |
| 08/31/1999 | CA2076765C Esv readings of toner test patches for adjusting ird readings of developed test patches |
| 08/25/1999 | EP0938254A1 Nonflammable radio wave absorber |
| 08/25/1999 | EP0937312A1 Antenna adapter |
| 08/24/1999 | US5942903 Apparatus for EMC testing of electrical devices |
| 08/24/1999 | US5942902 Method of measuring delay time and random pulse train generating circuit used in such method |
| 08/24/1999 | CA2196950C Method and apparatus for detection and acquisition of automotive fuel injector voltage signal pulse width |
| 08/24/1999 | CA2093420C Electric arc and radio frequency spectrum detection |
| 08/19/1999 | WO1999041619A1 Electro-optic/magneto-optic measurement of electromagnetic radiation using chirped optical pulse |
| 08/17/1999 | US5940310 Device, method and storage medium for calculating electromagnetic field strength |
| 08/12/1999 | WO1999040408A1 Method for evaluating characteristic values of piezo-mechanical systems |
| 08/12/1999 | DE19804196A1 Verfahren zur Auswertung von Kennwerten piezo-mechanischer Systeme Method for evaluating characteristics piezo-mechanical systems |
| 08/11/1999 | CN2333012Y Hand-held field strength meter |
| 08/10/1999 | US5936568 Low radar cross-section (RCS) support pylon and low RCS measurement system employing same |
| 08/10/1999 | CA2098408C Full aperture image synthesis using rotating strip aperture image measurements |
| 08/05/1999 | WO1999039216A1 Method and apparatus for jitter analysis |
| 08/04/1999 | EP0867081B1 Process and device for detecting the transmission properties of mobile wireless telecommunication devices |
| 08/04/1999 | EP0786094B1 System and method for making electromagnetic measurements using a transverse electromagnetic cell |
| 08/04/1999 | EP0701752B1 A method and apparatus for determining signal usability |
| 08/03/1999 | US5933793 Outgoing harmonic level evaluator |
| 08/03/1999 | US5933121 Antenna array for sensing signals on conductors |
| 08/03/1999 | US5932999 Scannable antenna matrix having an amplifying element for each antenna element |
| 07/29/1999 | WO1999038022A1 Apparatus and method for determining the source and strength of electro-magnetic emissions |
| 07/29/1999 | CA2333305A1 Apparatus and method for determining the source and strength of electro-magnetic emissions |
| 07/27/1999 | US5929625 Method and apparatus for monitoring anti-lightning protection equipment |
| 07/27/1999 | CA2168591C System for detecting incorrect phase rotation |
| 07/22/1999 | WO1999036793A1 Phase noise measurement system |
| 07/21/1999 | CN2329976Y Automatic tester for self-electrostatic releasing condition |
| 07/20/1999 | US5926150 Compact broadband antenna for field generation applications |
| 07/20/1999 | US5926019 System for evaluating the play back of magnetoresistive heads |
| 07/20/1999 | CA2203747C Method for long term monitoring of magnetic fields |
| 07/15/1999 | WO1999035507A1 A method and device to capture and process electric signals |
| 07/14/1999 | CN2329009Y Warning safety helment for electrician |
| 07/13/1999 | US5923706 Process for measuring phase jitter of a data signal |
| 07/13/1999 | US5923174 Device for measuring electromagnetic radiation absorption |
| 07/13/1999 | US5923160 Electrostatic discharge event locators |
| 07/13/1999 | CA2125395C Optical voltage and electric field sensor based on the pockels effect |
| 07/07/1999 | CN2328017Y Phase sequence meter |
| 07/06/1999 | US5920209 Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit |
| 07/06/1999 | US5920199 Charge detector with long integration time |
| 07/06/1999 | US5920064 Multi-channel electromagnetically transparent voltage waveform monitor link |
| 07/01/1999 | DE19757705A1 System for determining electromagnetic overall loading |
| 06/30/1999 | EP0926570A2 Potential measuring apparatus and potential measuring method |
| 06/30/1999 | EP0926502A2 Opto-electronic antenna test system |
| 06/30/1999 | CN1221268A Radio terminal testing device and electrical wave environment testing apparatus for radio terminal testing device |
| 06/30/1999 | CN1221175A Jitter measuring method utilizing A/D conversion and device |
| 06/29/1999 | US5918274 Detecting fields with a single-pass, dual-amplitude-mode scanning force microscope |
| 06/29/1999 | US5917327 To apply an electrostatic force to hold a semiconductor wafer during process |
| 06/23/1999 | CN1220399A Method for measuring piezoelectric constant of thin film shaped piezoelectric material |
| 06/22/1999 | US5915267 Method for measuring piezoelectric constant of thin film shaped piezoelectric material |
| 06/22/1999 | US5914608 Method and apparatus for tracing coaxial cables |
| 06/16/1999 | EP0891654A4 Apparatus and method for measuring time intervals with very high resolution |