Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105) |
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07/04/1996 | DE19547281A1 Measurement system with interchangeable sensor modules for scientific and technical instrumentation |
07/02/1996 | US5532983 Circuit design for point-to-point chip for high speed testing |
06/11/1996 | US5525910 Method for trimming wide bandwidth electronic circuits |
05/30/1996 | DE19542989A1 System for detecting open and short circuits in semiconductor wiring |
05/17/1996 | WO1996014613A1 Voltage reference with testing and self-calibration |
05/15/1996 | EP0712008A2 Apparatus for detecting battery voltage |
05/09/1996 | DE4439707A1 Spannungsreferenz mit Prüfung und Eigenkalibrierung Voltage Reference with testing and self-calibration |
05/07/1996 | US5514958 Electrical energy meters having factory set calibration circuits therein and methods of calibrating same |
04/17/1996 | CN2225056Y Monitor for metering electric power |
04/16/1996 | US5508617 Electric power measuring apparatus and method |
04/10/1996 | EP0706059A1 Calibrating procedure for a network analyzer using the 15-term principle |
04/10/1996 | EP0706055A2 Method for calibrating a network analyzer according to the 7-term principle |
04/10/1996 | EP0705438A1 Measurement amplifier |
04/10/1996 | EP0705437A1 Measurement amplifier |
04/09/1996 | US5506500 Magnetic property characterization system employing a single sensing coil arrangement to measure both AC susceptibility and DC magnetization |
03/28/1996 | WO1996009557A1 Self-calibrating data processors and methods for calibrating same |
03/06/1996 | EP0699914A1 Electricity meter |
02/27/1996 | US5495167 Electrical energy meter having record of meter calibration data therein and method of recording calibration data |
02/15/1996 | WO1996004563A1 Method of and apparatus for determining a response characteristic |
02/06/1996 | US5489843 Apparatus and method for testing the calibration of electronic package lead inspection system |
02/01/1996 | DE19525430A1 Schaltungsnetzwerk-Meßeinrichtung und Kalibrierungsverfahren Circuit network-measuring device and calibration procedures |
01/30/1996 | US5488369 High speed sampling apparatus and method for calibrating the same |
01/30/1996 | US5488290 Energizing devices for kilowatt hour meter displays |
01/24/1996 | EP0693692A2 Voltage and resistance synthesizer using pulse width modulation |
01/16/1996 | US5485115 Impedance synthesizer |
01/03/1996 | EP0690310A2 Electromagnetic inductive probe |
12/27/1995 | EP0688433A1 Improved power meter |
12/27/1995 | EP0466939B1 Ic testing device |
12/19/1995 | US5477138 Apparatus and method for testing the calibration of a variety of electronic package lead inspection systems |
12/19/1995 | US5477137 For receiving an electronic device |
12/05/1995 | US5473666 Method and apparatus for digitally controlling gain in a talking path |
11/29/1995 | CN2214004Y Standard equivalent load power measuring checker |
11/28/1995 | US5471137 System checking and troubleshooting package for an electronic metering device |
11/21/1995 | US5469049 System checking and troubleshooting package for an electronic metering device |
11/14/1995 | US5467021 Calibration method and apparatus |
11/07/1995 | US5465065 Coupled to a transmitting device |
11/02/1995 | WO1995029409A1 Method and apparatus for digital meter calibration |
10/24/1995 | US5461306 DC current detection system for a current transformer |
10/10/1995 | CA2018964C Method and apparatus for the fine adjustment of a potentiometer |
09/26/1995 | US5453697 Technique for calibrating a transformer element |
09/13/1995 | EP0671036A1 Instrumentation system with multiple sensor modules |
09/08/1995 | WO1995023979A1 A resistance network |
09/05/1995 | US5448164 Electrical test apparatus and method of checking the apparatus |
08/29/1995 | US5446681 Method of estimating property and/or composition data of a test sample |
08/29/1995 | US5446260 Method of trimming an electronic circuit |
08/16/1995 | EP0627083A4 Method and apparatus for electronic meter testing. |
08/15/1995 | US5442296 Method for calibrating a network analyzer |
08/08/1995 | US5440305 Method and apparatus for calibration of a monolithic voltage reference |
08/08/1995 | US5440236 Calibrating a network analyzer by making multiple measurements on a common transmission line with a movable discontinuity |
07/26/1995 | EP0664005A1 Method for recalibrating a battery power control processor |
07/25/1995 | US5436570 Burn-in test probe for fine-pitch packages with side contacts |
07/18/1995 | US5434511 Electronic microwave calibration device |
07/18/1995 | US5434502 Calibration device for hyper-frequency adjustment of the reference planes of an apparatus for measuring the dispersion parameters of elements of integrated circuits |
07/12/1995 | EP0662221A1 Process for testing an electronic electricity meter. |
07/11/1995 | US5432451 Magnetic resonance imaging reflectometer tuning unit |
06/27/1995 | US5428204 Active trim method and apparatus |
06/21/1995 | CN2201676Y Electric energy displaying field converting terminal box |
06/08/1995 | DE4341614A1 Testing of electromagnetic reflection characteristics of electromagnetic compatibility measurement chamber |
06/07/1995 | EP0656542A2 Impedance synthesizer |
05/30/1995 | US5420515 Active circuit trimming with AC and DC response trims relative to a known response |
05/17/1995 | EP0653070A1 High speed power analyzer |
05/17/1995 | CN1028452C Intelligent detecting device for watt-hour meter |
05/16/1995 | US5416411 System and method for measuring the thickness of a ferromagnetic layer |
05/03/1995 | CN2196311Y Check unit for household watt-hour meter |
04/27/1995 | DE4433375A1 Method for calibrating a network analyser |
04/25/1995 | US5410245 Method and apparatus for calibrating electronic scales for the horizontal axis |
04/20/1995 | WO1995010781A1 Electronic measurement device |
04/12/1995 | CN2194517Y Photo-electricity converter |
04/06/1995 | DE4333660A1 Method for forming the mean value of an analog zero-frequency quantity |
03/29/1995 | EP0645636A1 Electronic watthour meter |
03/28/1995 | US5402082 Voltage and resistance synthesizer using pulse width modulation |
03/22/1995 | EP0644433A1 Electronic watthour meter |
03/22/1995 | EP0644431A1 Electronic watthour meter |
03/21/1995 | US5399963 Method and apparatus for calibration of an electricity meter |
03/16/1995 | DE4330739A1 Test device for tractive-unit AC monitoring device |
03/14/1995 | US5397980 Current probe calibration fixture |
03/02/1995 | DE4401068A1 Network analyser |
02/22/1995 | CN2190306Y Image data collector for oscilloscope |
02/16/1995 | WO1995004937A1 Method for recalibrating a battery power control processor |
02/16/1995 | CA2146347A1 Method for recalibrating a battery power control processor |
02/01/1995 | EP0505372B1 Process and device for testing a hall sensor system |
01/26/1995 | DE4324760A1 Circuit arrangement for testing instruments for measuring AC energy |
01/24/1995 | US5384781 Automatic skew calibration for multi-channel signal sources |
01/19/1995 | DE4323380A1 Method and circuit for fault recognition in resistor measuring bridges |
01/05/1995 | WO1995000856A1 Measurement amplifier |
01/05/1995 | WO1995000855A1 Measurement amplifier |
12/28/1994 | CN2186402Y Actual load parity checker |
12/27/1994 | US5377128 Self-calibrating instrumentation system with multiple sensor modules |
12/22/1994 | DE4405211A1 Method for calibrating a network analyser having two measuring ports and three measuring positions |
12/20/1994 | US5375073 Instrumentation system with multiple sensor modules providing accuracy code information |
12/07/1994 | EP0627083A1 Method and apparatus for electronic meter testing |
12/06/1994 | US5371511 Method for approximating the notion of a rotatable disk of an electrical energy meter |
11/30/1994 | EP0626588A1 Electronic calibration method and apparatus |
11/15/1994 | US5365462 Instrumentation system with multiple sensor modules providing calibration date information |
11/01/1994 | US5361026 Load indicating socket tester |
10/26/1994 | EP0552291A4 Method of estimating property and/or composition data of a test sample |
10/11/1994 | US5355129 Measuring sensor device |
10/06/1994 | DE4310384A1 Method for digital drift compensation in a charge amplifier circuit |
10/04/1994 | US5351519 Circuit arrangement for evaluating and testing a capacitive sensor |
09/29/1994 | WO1994022023A1 Improved power meter |