Patents
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
09/1993
09/14/1993US5245630 Equalized eye pattern instrument
09/14/1993US5245278 Device for the processing of a signal coming from a sensor with a derivative type of response
09/08/1993EP0559354A2 Method and apparatus for measuring worst case susceptibility of digital microwave radios to multipath fading
09/08/1993CN2141900Y Shockproof type electronic action counter
09/08/1993CN2141898Y Multifunctional combined test screw-driver
09/07/1993US5243351 Full aperture image synthesis using rotating strip aperture image measurements
09/07/1993US5243292 Electrostatic measuring tuning fork and means for limiting mechanical amplitude thereof
09/07/1993US5243186 Photonic electromagnetic field sensor apparatus
09/02/1993DE4205920A1 EMC resonant cavity test chamber with highly conductive wall lining - tunes to resonance by sliding of intermediate wall having spring contacts providing continuity with metallic coatings on floor and ceiling
09/01/1993CN2141608Y Three-phase motor rotation direction fixing socket and plug device
08/1993
08/25/1993EP0474668B1 Conversion of delta 16-steroid to a delta 17(20)-20-silyl ether
08/24/1993US5239481 Method for measuring pulse distortion
08/18/1993EP0555985A1 Dual ranked time interval conversion circuit
08/17/1993US5237493 Current-to-voltage converter with low noise, wide bandwidth and high dynamic range
08/17/1993US5237283 Closed test cell
08/10/1993US5235566 Clock skew measurement technique
08/10/1993US5235340 Frequency domain polarimeter
08/10/1993US5235238 Electrode-separated piezoelectric crystal oscillator and method for measurement using the electrode-separated piezoelectric crystal oscillator
08/05/1993DE4202557A1 Measuring signal=to=noise ratio in sensor system with digital filter banks - separately measuring noise energy generated by system imperfections and quantifying distortion-free channel capacity
08/04/1993EP0553945A1 Frequency domain polarimeter
08/03/1993USH1217 Easily tunable detector for covering discontinuities in buried energized antenna ground wipes
08/03/1993US5233537 Very low frequency and low frequency transmitting antenna parameter monitoring system
07/1993
07/27/1993US5231346 Field strength measuring instrument for the simultaneous detection of e and h fields
07/20/1993US5230087 Device for measuring various characteristics of a radio frequency signal
07/20/1993US5229776 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique
07/13/1993US5227715 Apparatus for measuring electromagnetic field intensity using dual polarized light beams
07/13/1993US5227270 Esv readings of toner test patches for adjusting ird readings of developed test patches
07/06/1993US5225668 Photonic electromagnetic field sensor apparatus
07/06/1993CA1319974C Method and apparatus for determining earth station parameters, such as rain margin, with attenuation pads
06/1993
06/30/1993EP0549354A2 Time constant detecting circuit and time constant adjusting circuit
06/30/1993EP0273929B1 Radiometric imager having a frequency-dispersive linear array antenna
06/30/1993EP0273925B1 Method and apparatus for precisely measuring relative velocity in an interferometric radiometer
06/30/1993CN1073769A Indoor large-area space static electricity testing method
06/24/1993WO1993012435A1 Optical voltage and electric field sensor based on the pockels effect
06/24/1993DE4142768A1 Method for identifying intensity and colour profiles of electromagnetic waves - using coupled system of electromagnetically excitable and pre-magnetisable single crystalline gyrotrophic solid stateresonators as well as their signals
06/23/1993EP0547292A1 Picosecond event timer
06/23/1993EP0547228A1 Apparatus for measuring average value of impulsive signal
06/22/1993US5222028 Pulse analysis system and method
06/16/1993EP0546252A1 Measuring appliance for measuring electrical quantities as a function of distance
06/16/1993CN2136479Y Loss-of-phase accumulation timing counter
06/15/1993US5220481 Composite to enable contact electrostatic voltage sensing
06/10/1993WO1993011581A1 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique
06/10/1993CA2123311A1 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique
06/09/1993EP0544989A1 Methods and apparatus for correction of cable variations
06/08/1993US5218311 Measuring device and method for its operational setting
06/08/1993US5218306 Static charge warning device
06/04/1993CA2072698A1 Methods and apparatus for correction of cable variations
06/02/1993EP0543835A1 Method and device for supervising the condition of a receiving antenna.
06/01/1993US5216702 Nonintrusive speech level and dynamic noise measurements
05/1993
05/27/1993DE4138579A1 Measuring appts. insensitive to excessive voltage - contg. inner conductor, first sensor for measuring electric field, and second sensor for measuring magnetic field
05/26/1993EP0543545A2 Composite to enable contact electrostatic voltage sensing
05/26/1993EP0543139A1 Jitter analyzer
05/19/1993CN2133848Y Liquid crystal tester for microwave field strength
05/19/1993CN1020831C Method of and apparatus for automatically calibrating phased-array antenna
05/18/1993US5212451 Single balanced beam electrostatic voltmeter modulator
05/18/1993US5212407 Digital phase match discriminator for three-phase power
05/12/1993EP0541463A1 Circuit for the detection of the time-base of a clock signal
05/11/1993US5210407 Electric field intensity detecting device having a condenser-type antenna and a light modulator
05/05/1993CN2132188Y Measuring instrument for coil assembly
05/04/1993US5208599 Serrated electromagnetic absorber
04/1993
04/27/1993US5206889 Timing interpolator
04/27/1993US5206817 Pipelined circuitry for allowing the comparison of the relative difference between two asynchronous pointers and a programmable value
04/27/1993US5205327 Electrostatic weft detector
04/21/1993EP0537337A1 Microwave camera
04/20/1993US5204685 ARC range test facility
04/20/1993US5204678 Dual-ranked time-interval conversion circuit
04/20/1993US5204614 Broad-band microwave power sensor using diodes above their resonant frequency
04/15/1993WO1993007698A1 Signal monitoring apparatus
04/15/1993WO1993007504A1 Exposure meter for use with induction heat sealing of containers
04/15/1993DE4133472A1 Electronic start circuit for pulse counter - has only two flip=flops in basic design, except final flip=flop
04/15/1993CA2120938A1 Exposure meter for use with induction heat sealing of containers
04/14/1993EP0536642A1 Turnable for testing electromagnetic compatibility
04/14/1993EP0536447A1 Exposure meter for use with induction heat sealing of containers
04/14/1993CN1020307C Multifunctional phase-sequence meter
04/06/1993CA1315847C Harmonimeter, and methods of utilizing and constructing same
03/1993
03/31/1993EP0534826A1 Device for in situ ultra-high frequency broadband testing
03/31/1993EP0303615B1 Measurement circuit
03/30/1993US5198821 Method and device for the on-line testing of a multiple-source antenna
03/30/1993US5198290 Protective device
03/17/1993EP0226631B1 Method and apparatus for editing particle produced electrical pulses
03/17/1993CN2128389Y Electric leakage equipment and " wire sequence " tester for building
03/17/1993CN2128388Y Omnidirectional electromagnetic field strong does probe
03/17/1993CN2128387Y High-pressure alarm safety helmet
03/17/1993CN1070045A Field distribution automatic electrooptical measuring device
03/16/1993US5194818 Risetime and falltime test system and method
03/11/1993DE4129604A1 Method of determining radiation diagram of short-wave curtain antenna - measuring relative currents in dipole gap feeder lines, correlation current and impedance values for same positions to determine field strength values
03/10/1993EP0531167A2 Electrostatic voltmeters readings of toner test patches for adjusting IR densitometer readings of developed test patches
03/10/1993EP0531161A2 Electrostatic voltmeter (ESV) zero offset adjustment
03/10/1993EP0531063A2 Charged area image loss control in a tri-level imaging apparatus
03/09/1993US5191956 Electronic method and circuit for analyzing analog signals
03/04/1993DE4128305A1 Measuring dynamic characteristics of optical transmitter or receiver - using mathematical model defined by given formula, and matching to obtain set of measurements
03/03/1993EP0530038A1 Serrated electromagnetic absorber
03/03/1993EP0530031A2 Method for determining photoreceptor potentials
03/03/1993EP0529339A1 Fibre optic sensor
03/03/1993EP0528976A1 Pin hole detector
03/02/1993US5191294 Measuring noise figure and y-factor
03/02/1993US5191293 Park and ride method for determining photoreceptor potentials
03/01/1993CA2076993A1 Serrated electromagnetic absorber
02/1993
02/18/1993WO1993003561A1 Apparatus and method for controlling transmitted power of a modem
02/18/1993WO1993003398A1 Pulse time of arrival detection apparatus for precision distance measuring equipment applications