Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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07/21/1992 | US5132627 Motionless scanner |
07/21/1992 | US5132607 Electrical field strength sensing probe |
07/07/1992 | US5128622 Multi-channel electrostatic sensor apparatus |
07/07/1992 | US5128621 Device for measuring, at a plurality of points, the microwave field diffracted by an object |
07/07/1992 | CA1304781C Apparatus for measuring, at several positions, the microwave field diffracted by an object |
07/01/1992 | EP0492798A2 Method and circuit for eliminating time jitter |
06/25/1992 | WO1992010764A1 Apparatus and method for measuring lateral charge distribution on a moving web |
06/23/1992 | US5125008 Method and apparatus for autoranging, quadrature signal generation, digital phase reference, and calibration in a high speed rf measurement receiver |
06/23/1992 | US5123733 Method for measuring the spatial distribution of electromagnetic radiation intensity |
06/17/1992 | CN2107660U Trigger pulse parameter mornitoring and alarm device for silicon-controlled controlling system |
06/17/1992 | CN1017091B Detetor for electronically detecting defect of cause loss for electric-energy in d.c. transmission lines |
06/16/1992 | US5122996 Real-time, uninterrupted time-interval to voltage converter |
06/16/1992 | US5122978 Pulse width measurement technique |
06/16/1992 | US5122694 Method and electrical circuit for eliminating time jitter caused by metastable conditions in asynchronous logic circuits |
06/10/1992 | CN1016998B Method and device for measuring electric field distribution of semiconductor laser in working order |
06/09/1992 | US5121413 Digital pulse processor for determining leading and trailing time-of-arrival |
06/09/1992 | US5121346 Difference comparison between two asynchronous pointers and a programmable value |
06/09/1992 | US5121124 Microwave camera |
06/09/1992 | US5121012 Circuit for measuring elapsed time between two events |
06/09/1992 | CA1303231C Programmable input/output circuit |
06/09/1992 | CA1303224C Simultaneous-delay correlator apparatus |
06/03/1992 | CN2106375U Coil turn number testing device |
06/02/1992 | US5119131 Method of creating tri-level images |
06/02/1992 | US5119105 M&A for performing near field measurements on a dish antenna and for utilizing said measurements to realign dish panels |
06/02/1992 | US5119030 Apparatus for electrically inspecting the surface of a drum |
06/02/1992 | US5119018 Spectrum analyzer having functions for simultaneously executing plural kinds of detections and displaying resultants thereof |
06/02/1992 | US5118966 Detection voltage output circuit of charge generation type sensing device |
06/02/1992 | CA1302569C Method and apparatus for precisely measuring relative velocity in an iterferometric radiometer |
06/02/1992 | CA1302522C Level determining circuit generating output signal at first or second terminal according to level of input signal |
06/02/1992 | CA1302500C Instrument to measure the errors of apparent power meters |
05/26/1992 | US5117192 Control circuitry for quartz crystal deposition monitor |
05/19/1992 | US5113864 Electric field and temperature probe |
05/05/1992 | US5111135 Method for optically measuring electric field and optical voltage/electric-field sensor |
05/05/1992 | US5110216 Fiberoptic techniques for measuring the magnitude of local microwave fields and power |
05/05/1992 | US5109595 Method of making a fiberoptic sensor of a microwave field |
04/29/1992 | EP0482271A1 Current-to-voltage converter with low noise, wide bandwidth and high dynamic range |
04/28/1992 | US5109189 Single crystal electro-optic sensor with three-axis measurement capability |
04/28/1992 | CA1299774C Phase shifted feedback electrometer for pulsed ion chamber |
04/28/1992 | CA1299661C Apparatus for measuring the intermodulation products in a receiver system |
04/25/1992 | WO1992008143A1 Electric arc and radio frequency spectrum detection |
04/22/1992 | EP0481751A2 Pipeline circuitry for allowing the comparison of the relative difference between two asynchronous pointers and a programmable value |
04/15/1992 | EP0480726A2 Pulse analysis system and method |
04/15/1992 | EP0480596A2 Circuit and method for determining the duration of the time interval between two signals |
04/15/1992 | CN1016287B Method for rapid measurement of phase resistance of delta winding |
04/13/1992 | CA2050500A1 Pulse analysis system and method |
04/09/1992 | DE4030574A1 Load current monitoring circuitry - uses keying ratio monitoring circuit registering actual current supplied by voltage via control or regulating circuit |
04/08/1992 | EP0478966A2 Digital phase match discriminator for three-phase power |
04/08/1992 | CN2101251U Portable transformer ratio bridge |
04/08/1992 | CN1016217B Generator circuit |
04/03/1992 | CA2033375A1 Near field antenna measurement systems and methods |
04/01/1992 | EP0478424A1 Method and device to measure the integrity of a transmission |
04/01/1992 | CN2100634U Extra-corporal testing instrument for implanted pacemaker |
04/01/1992 | CN2100631U Multi-functional current or voltage measuring instrument |
03/31/1992 | US5101506 Frequency calibration standard using a wide band phase modulator |
03/31/1992 | US5101190 Polytetrafluoroethylene |
03/31/1992 | US5101159 Electrostatic pin hole detector |
03/27/1992 | CA2051881A1 Method and device for measuring the integrity of a transmission |
03/25/1992 | EP0477087A1 Device for processing a signal originating from a sensor having a differentiating response |
03/25/1992 | EP0441898A4 Optical sensing apparatus and method |
03/22/1992 | CA2051882A1 Device for processing the output signal of a derivative type response sensor |
03/18/1992 | CN1059602A Chopper test table for underground railways |
03/17/1992 | US5097208 Apparatus and method for measuring gate delays in integrated circuit wafers |
03/10/1992 | CA1296923C Measurement circuit |
03/05/1992 | WO1992003744A1 Method and device for supervising the condition of a receiving antenna |
03/04/1992 | EP0473282A2 Method for measuring modulation accuracy |
02/25/1992 | US5091917 Method and apparatus for pulse sorting |
02/19/1992 | EP0471476A1 Radio receiver |
02/19/1992 | EP0471431A2 Electrostatic discharge detector |
02/19/1992 | EP0471119A1 Waveform measurement |
02/11/1992 | US5087808 Combined optical power and noise meter |
02/11/1992 | CA1295655C Nondestructive readout of a latent electrostatic image formed on an insulating material |
01/29/1992 | EP0467997A1 Method and means for near field antenna monitoring. |
01/29/1992 | CN1058275A Trap charge relaxation spectra method and its measuring system |
01/22/1992 | CN2094068U Combined phase-sequence indicator |
01/21/1992 | US5083282 Transition state detecting device and measuring device using the same |
01/14/1992 | US5081460 Method and apparatus for testing phase shifter modules of a phased array antenna |
01/09/1992 | DE4013861A1 Correcting method for level indicator of antenna measurement device - by measuring signal of known level at defined frequencies and using linear interpolation |
01/08/1992 | EP0464911A2 Radio receiver with acoustic signal |
01/08/1992 | EP0464445A1 Apparatus for measuring the multipactor effect via phase noise |
01/08/1992 | EP0464391A1 Measuring device and method for putting it into operation |
01/07/1992 | US5079037 Resistive films comprising resistive short fibers in insulating film forming binder |
01/07/1992 | CA1294011C Programmable comparator outlet filter |
01/02/1992 | EP0463907A1 Electromagnetic wave detector |
01/02/1992 | EP0371101A4 Electric field and temperature probe |
01/02/1992 | DE4113431A1 Locating extreme value in level of antenna output signal - by shifting window smaller than region in which level changes and displaying level on LED indicator |
12/26/1991 | WO1991019990A1 Device for measuring, at a plurality of points on a surface, a microwave field radiated by a source |
12/24/1991 | US5075542 Photoelectric switch using pulse width discrimination |
12/23/1991 | CA2045046A1 Device using phase noise to measure the multipactor effect |
12/12/1991 | WO1991019204A1 Method for measuring the characteristics of a strip material and device for implementing same |
12/12/1991 | DE4018378A1 Measuring interference level of received signals e.g. TV - deriving measurement signal dependent on interference by subtracting function of useful signal from function of faulty signal |
12/11/1991 | CN1056966A Circuit and method for monitoring voltage pulse widths |
12/04/1991 | EP0459888A1 Method of automatic signal analysis by segmenting and classifying |
12/04/1991 | EP0459694A2 Circuit and method for monitoring voltage pulse widths |
12/03/1991 | CA1292804C Radiometric imager having a frenquency-dispersive linear array antenna |
11/30/1991 | CA2041325A1 Circuit and method for monitoring voltage pulse widths |
11/28/1991 | WO1991018287A1 Pin hole detector |
11/27/1991 | EP0458515A2 Method and apparatus for testing delta-sigma modulators |
11/27/1991 | EP0458255A2 Polarimetric directional field sensor |
11/27/1991 | EP0457788A1 Process and device for monitoring the occurrence or spreading of fractures or cracks in materials, workpieces, component parts, structures or flying objects, in particular in earthquake-prone regions or movement of strata during tunnelling. |
11/26/1991 | US5068657 Method and apparatus for testing delta-sigma modulators |