| Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105) |
|---|
| 04/02/1998 | DE19736897A1 Calibration method for vectorial network channel analyser |
| 04/02/1998 | DE19634268C1 Electronic circuit for calibrating charge condition indication of storage battery |
| 04/01/1998 | EP0833167A2 Device for calibrating a network analyser for on-wafer measurement of an integrated microwave circuit |
| 03/31/1998 | US5734268 For measuring a device under test on a network analyzer |
| 03/26/1998 | DE19638296A1 Test device for electricity- or ammeter |
| 03/04/1998 | EP0827096A2 Self-validating sensors |
| 02/11/1998 | EP0823617A2 Auto-ranging and other complex transducer corrections |
| 02/04/1998 | CN1172261A Method and device for checking electric power mutual inductor |
| 02/03/1998 | US5715183 Internal automatic calibrator for vector network analyzers |
| 02/03/1998 | US5714886 Method of calibrating the trip point of an overload relay |
| 01/29/1998 | WO1998003879A1 Process for testing a product and equipment for carrying out the process |
| 01/27/1998 | US5712855 Apparatus for testing and measuring electronic device and method of calibrating its timing and voltage level |
| 01/27/1998 | US5712564 Magnetic ink recorder calibration apparatus and method |
| 01/15/1998 | DE19627730A1 Test unit for monitoring operation of HF earthing measuring unit |
| 01/07/1998 | EP0653070B1 High speed power analyzer |
| 01/06/1998 | US5706214 For monitoring electrical parameters in electric power distribution system |
| 12/16/1997 | US5699282 Methods and test structures for measuring overlay in multilayer devices |
| 12/16/1997 | US5698984 Adaptive digital filter for improved measurement accuracy in an electronic instrument |
| 12/04/1997 | WO1997045748A1 Method for testing electronic components |
| 12/03/1997 | EP0552291B1 Method of estimating property and/or composition data of a test sample |
| 11/27/1997 | WO1997044679A1 Meter accuracy device |
| 11/18/1997 | US5689429 Finger wear detection for production line battery tester |
| 11/13/1997 | WO1997042517A1 Radiator calibration |
| 11/13/1997 | DE19606927A1 Electronic energy meter with two analogue-digital converters |
| 11/11/1997 | CA2129556C Impedance synthesizer |
| 11/04/1997 | US5684301 For measuring geometrical characteristics of features on a substrate |
| 10/29/1997 | EP0803741A1 Method and apparatus for electronic testing of electricity meters |
| 10/22/1997 | EP0802420A2 Impedance measuring apparatus |
| 10/21/1997 | US5680052 Fault indicator tester with test bar and test chamber |
| 10/14/1997 | US5677611 Control apparatus for an electric vehicle |
| 10/08/1997 | CN1161455A Handler contact checking device and method of testing integrated circuit devices |
| 10/01/1997 | EP0797802A2 Digital trimming of on-chip analog components |
| 09/25/1997 | DE19610546A1 Calibration process for measuring instrument with electrical displays |
| 09/17/1997 | EP0705438B1 Measurement amplifier |
| 09/09/1997 | US5666059 Method for calibrating a network analyzer according to the fifteen-term principle |
| 09/09/1997 | US5666058 Correction method for an electromagnetic induction-type probe |
| 09/04/1997 | WO1997012310A3 Digital trimming of on-chip analog components |
| 08/27/1997 | CN2261029Y Comprehensive calibrator for electric measuring device |
| 08/26/1997 | US5661404 Circuit network measurement device and calibration method |
| 08/20/1997 | EP0789866A1 Voltage reference with testing and self-calibration |
| 08/19/1997 | US5659255 Method of evaluating signal conditions in a probe measurement network having a plurality of separate measurement channels |
| 08/19/1997 | US5659251 Electromagnetic inductive probe |
| 08/07/1997 | WO1997021106A3 Electronic measurement device |
| 08/06/1997 | EP0787997A2 Adaptive digital filter for improved measurement accuracy in an electronic instrument |
| 07/29/1997 | US5652712 Method and apparatus for calibration of digital test equipment |
| 07/22/1997 | US5650717 Portable apparatus for testing an electric utility meter |
| 07/16/1997 | EP0784208A2 A system for testing a fault detecting means |
| 07/08/1997 | US5646536 Method for calibrating circuit network measurement devices |
| 07/01/1997 | US5644243 Detector power linearity requirements and verification techniques for TMI direct detection receivers |
| 07/01/1997 | US5644222 Process for testing an electronic electricity meter |
| 06/24/1997 | US5642300 Precision voltage/current/power source |
| 06/17/1997 | US5640433 Conversion of synchronous/asynchronous signals |
| 06/12/1997 | WO1997021106A2 Electronic measurement device |
| 05/22/1997 | WO1997018483A1 Meter testing circuit |
| 05/22/1997 | CA2237779A1 Meter testing circuit |
| 05/21/1997 | EP0774125A1 Method of and apparatus for determining a response characteristic |
| 05/20/1997 | US5631554 Electronic metering device including automatic service sensing |
| 05/13/1997 | US5629880 Calibration data transmission apparatus and method for semiconductor test equipment |
| 05/01/1997 | WO1997015806A1 Checking system for control measurement of energy measuring systems |
| 04/30/1997 | DE19644283A1 Delay time measuring device for circuit for testing semiconductor components |
| 04/29/1997 | US5625283 For detecting a current of a predetermined value flowing in a wire |
| 04/15/1997 | US5621329 Automatic self-calibration system for digital teraohmmeter |
| 04/15/1997 | US5621312 Method and apparatus for checking the integrity of a device tester-handler setup |
| 04/15/1997 | US5621310 High frequency calibration circuit |
| 04/08/1997 | US5619142 For use in a metering device |
| 04/03/1997 | WO1997012310A2 Digital trimming of on-chip analog components |
| 04/02/1997 | CN2251143Y Portable universal field checker |
| 04/01/1997 | US5617340 Method and reference standards for measuring overlay in multilayer structures, and for calibrating imaging equipment as used in semiconductor manufacturing |
| 03/27/1997 | DE19605653C1 Electricity meter with digital signal processor |
| 03/26/1997 | WO1998003880A1 Electronic metering device including automatic service sensing |
| 03/13/1997 | DE19636916A1 Signal propagation delay calibration circuit for semiconductor testing |
| 03/12/1997 | EP0761492A1 Fail check device and method for AC motor control circuit |
| 03/04/1997 | US5608330 Method for calibrating a network analyzer according to the seven-term principle |
| 03/04/1997 | US5608325 Method of recalibrating a battery energy management processor |
| 02/25/1997 | US5606510 High speed power analyzer |
| 02/18/1997 | US5604751 Time linearity measurement using a frequency locked, dual sequencer automatic test system |
| 02/18/1997 | US5604684 Embedded programmable sensor calibration method |
| 02/13/1997 | DE19526723C1 Elektrizitätszähler Electricity meters |
| 02/11/1997 | US5602483 Active trim method and apparatus |
| 02/06/1997 | WO1997004321A1 Electricity meter |
| 02/06/1997 | CA2227288A1 Electricity meter |
| 02/04/1997 | US5600249 Determining contact quality of an impedance meter |
| 01/15/1997 | CN2245220Y Computer controlled galvanometer detector for car |
| 01/14/1997 | US5594458 Comb generator, device and process for calibrating measurement sections |
| 12/31/1996 | US5589765 Method for final testing of semiconductor devices |
| 12/27/1996 | EP0519017B1 Method and apparatus for calibration in a high speed rf measurement receiver |
| 12/24/1996 | US5587934 Automatic VNA calibration apparatus |
| 12/11/1996 | EP0662221B1 Process for testing an electronic electricity meter |
| 11/26/1996 | US5578932 Method and apparatus for providing and calibrating a multiport network analyzer |
| 10/08/1996 | US5563519 Circuit and method for determining the physical position of a variable resistive device between its mechanical limits |
| 10/01/1996 | US5561377 System for evaluating probing networks |
| 09/03/1996 | US5552714 Electronic calibration method and apparatus |
| 08/21/1996 | EP0671036A4 Instrumentation system with multiple sensor modules. |
| 08/20/1996 | US5548538 Internal automatic calibrator for vector network analyzers |
| 08/20/1996 | US5548221 Electronic calibration method and apparatus |
| 07/23/1996 | US5539305 Calibration board for an electronic circuit tester |
| 07/23/1996 | US5539304 Calibration of power meters |
| 07/18/1996 | DE19507959C1 Current measuring device for automobile onboard supply network |
| 07/16/1996 | US5537046 Electronic calibration method and apparatus |
| 07/16/1996 | US5537029 For electronically displaying metered electrical energy |