| Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105) |
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| 04/21/2004 | CN2612956Y Voltage transformer on-site calibrating apparatus |
| 04/21/2004 | CN1490629A Correcting method, quality checking method for electronic component and characteristic measuring system |
| 04/20/2004 | US6725170 Smart probe apparatus and method for automatic self-adjustment of an oscilloscope's bandwidth |
| 04/15/2004 | US20040070405 Impedance standard substrate and method for calibrating vector network analyzer |
| 04/15/2004 | DE10245536A1 IC calibration method, especially for the output driver parameters, OCD and ODT, on chip driver and on die terminations, of DDR-DRAMs, whereby a common calibration reference is connected via a bus to multiple units |
| 04/15/2004 | DE10245133A1 Calibration circuit for accurate determination of the output impedance of an integrated circuit has a voltage divider with a reference resistance and adjustable resistance which is calibrated against the reference voltage |
| 04/14/2004 | CN2611918Y Fast wiring table for low voltage current transformer |
| 04/06/2004 | US6717376 Automotive information systems |
| 04/01/2004 | WO2004028003A2 A system and method for monitoring harmonic content of an rf signal |
| 04/01/2004 | US20040064774 Method for correcting errors by de-embedding dispersion parameters network analyst and switching module |
| 04/01/2004 | US20040064282 Method and apparatus for calibrating a sampling circuit |
| 04/01/2004 | US20040063229 High fidelity electrical probe |
| 04/01/2004 | DE10338072A1 Verfahren und Vorrichtung zum Kalibrieren eines Meßvorrichtungswegs und zum Messen einer Testvorrichtung in dem kalibrierten Meßvorrichtungsweg Method and apparatus for calibrating a Meßvorrichtungswegs and for measuring a test device in the calibrated Meßvorrichtungsweg |
| 04/01/2004 | DE10337243A1 Storage battery for vehicles, has battery test module that is coupled to two post extensions to form Kelvin connections between module and extensions, respectively, and display for outputting battery condition information |
| 03/31/2004 | EP0925512B1 Method and circuit for monitoring the functioning of a sensor bridge |
| 03/25/2004 | US20040059529 Method for correcting measurement error, method of determining quality of electronic component, and device for measuring characteristic of electronic component |
| 03/23/2004 | US6711518 Method for electronically aligning the frequency of an infrared transmitter |
| 03/23/2004 | US6711509 Impulsive transient hardware simulation |
| 03/23/2004 | US6710798 Methods and apparatus for determining the relative positions of probe tips on a printed circuit board probe card |
| 03/18/2004 | US20040054491 Apparatus and method for testing socket |
| 03/18/2004 | US20040054490 Single port single connection VNA calibration apparatus |
| 03/18/2004 | US20040054487 Transducer calibration system: apparatus and method |
| 03/18/2004 | US20040051538 Method and system for calibrating a measurement device path and for measuring a device under test in the calibrated measurement device path |
| 03/18/2004 | US20040051519 Method of and apparatus for controlling probe tip sanding in semiconductor device testing equipment |
| 03/18/2004 | DE10242932A1 Line-reflect-reflect (LRR) method for calibrating 4-measurement point vectoral network analyzers, where four calibration circuits comprising conduction elements of unknown length and unknown symmetrical obstacle networks are used |
| 03/17/2004 | EP1398644A1 Device and method for testing a transformer |
| 03/17/2004 | EP1397694A1 Method for monitoring a power supply of a control unit in a motor vehicle |
| 03/17/2004 | CN1142446C Transient travelling-wave protection tester and its testing method |
| 03/16/2004 | US6708124 Impulsive transient detection and data acquisition coprocessor |
| 03/16/2004 | US6707303 Electronic battery tester |
| 03/11/2004 | WO2004021454A2 Method for calibration of a photodiode, semiconductor chip and operating method |
| 03/11/2004 | WO2003025596A3 Impulsive transient hardware simulation |
| 03/11/2004 | DE10240083A1 Verfahren zur Kalibrierung einer Fotodiode, Halbleiterchip und Betriebsverfahren A method for calibration of a photodiode, the semiconductor chip and method of operation |
| 03/09/2004 | US6703823 Method and apparatus for electronic meter testing |
| 03/03/2004 | CN2605581Y Multichannel isolating voltage output device |
| 03/02/2004 | US6701335 Digital frequency response compensator and arbitrary response generator system |
| 03/02/2004 | US6701265 Calibration for vector network analyzer |
| 02/26/2004 | WO2003073222A3 Calibration cache and database |
| 02/26/2004 | DE10327497A1 Vorrichtung zum Eichen einer Hochfrequenzsignalmessausrüstung Apparatus for calibrating a high frequency signal measuring equipment |
| 02/24/2004 | US6697749 Correction method of measurement errors, quality checking method for electronic components, and characteristic measuring system of electronic components |
| 02/19/2004 | WO2003065063A8 Picosecond imaging circuit analysis(pica)timing system measurement and calibration |
| 02/19/2004 | US20040032276 Flatness Correction |
| 02/19/2004 | DE10235221A1 Network analyzer calibration method in which a port group is formed, calibrated and successively expanded with two port calibrations and transmission measurements in both directions |
| 02/18/2004 | CN1475812A Device for automatic correcting measuring module |
| 02/18/2004 | CN1138985C Calibrating method of rechargeable battery capacity |
| 02/18/2004 | CN1138983C Method and apparatus for electronic meter testing |
| 02/10/2004 | US6691053 Method of matching retention times among multiple chromatographic system |
| 02/04/2004 | CN2602384Y Obliqueable watt-hout meter checking table |
| 02/03/2004 | US6687634 Quality monitoring and maintenance for products employing end user serviceable components |
| 02/03/2004 | US6686731 Watthour meter and optical pickup test device and method |
| 01/29/2004 | WO2004010491A1 Probe device, probe card channel information creation program, and probe card channel information creation device |
| 01/29/2004 | US20040019445 Calibration methodology and system for optical network analyzer |
| 01/29/2004 | US20040017205 Method for monitoring a power supply of a control unit in a motor vehicle |
| 01/20/2004 | US6681361 Semiconductor device inspection apparatus and semiconductor device inspection method |
| 01/15/2004 | WO2004005841A1 Gauge calibration |
| 01/15/2004 | US20040008019 Method and apparatus for electronic meter testing |
| 01/14/2004 | EP1380810A1 Gauge calibration method |
| 01/13/2004 | US6677744 System for measuring signal path resistance for an integrated circuit tester interconnect structure |
| 01/13/2004 | CA2274473C Microwave active solid state cold/warm noise source |
| 01/08/2004 | WO2004003585A1 Device for calibration of magnetic sensors in three dimensions |
| 01/08/2004 | WO2003065063A3 Picosecond imaging circuit analysis(pica)timing system measurement and calibration |
| 01/08/2004 | DE10226412A1 Verfahren zur Kalibrierung von Spannungsmessmitteln und zur Messung von Spannungen periodischer Spannungssignale sowie Mess- und Kalibliervorrichtung Method for the calibration of voltage measuring means for measuring voltages and periodic voltage signals and measuring and Kalibliervorrichtung |
| 01/08/2004 | DE10212685A1 Schaltungsanordnung und Verfahren zum Überprüfen eines Stromkreises Circuit arrangement and method for verifying a circuit |
| 01/02/2004 | EP1373909A2 Circuit for improved test and calibration in automated test equipment. |
| 12/31/2003 | WO2004001437A1 Circuit for simultaneous testing of electricity meters with interconnected current and voltage circuits |
| 12/31/2003 | CN2596370Y Electric quantity sensor error detecting station |
| 12/30/2003 | US6671653 Semiconductor test system and monitor apparatus thereof |
| 12/30/2003 | US6671635 Systems for improved monitoring accuracy of intelligent electronic devices |
| 12/30/2003 | US6670808 Self reference eddy current probe, measurement system, and measurement method |
| 12/25/2003 | US20030234654 Apparatus for calibrating high frequency signal measurement equipment |
| 12/25/2003 | US20030234652 System and method for verifying failure detect circuitry in safety compliance test instruments |
| 12/25/2003 | US20030234645 Ring calibration apparatus and method for automatic test equipment |
| 12/24/2003 | WO2003019222A8 Watthour meter and optical pickup test device and method |
| 12/24/2003 | CN2594806Y Single phase ground setecting device for small current ground system |
| 12/17/2003 | CN2593210Y Multifunctional multiposition meter-clamping apparatus |
| 12/16/2003 | US6665628 Methods for embedding and de-embedding balanced networks |
| 12/16/2003 | US6662459 Electronic azimuth meter and timepiece |
| 12/10/2003 | EP1368668A2 Measured value acquisition and processing unit for small measuring signals |
| 12/10/2003 | CN2591637Y Power sensor correcting device |
| 12/09/2003 | US6661238 Abnormality diagnosis method and apparatus for separable transformer |
| 12/03/2003 | CN2590010Y Alternating current signal generator |
| 12/02/2003 | US6655188 Method and system for calibrating a conversion unit of a fiber optic sensor head |
| 11/27/2003 | WO2003098255A1 Method for calibrating and de-embedding, set of devices for de-embedding and vector network analyzer |
| 11/27/2003 | WO2003019222A3 Watthour meter and optical pickup test device and method |
| 11/27/2003 | US20030218466 Calibration cache and database |
| 11/25/2003 | US6653848 Method and apparatus for linear characterization of multi-terminal single-ended or balanced devices |
| 11/18/2003 | US6650107 Calibrating SQUID channels |
| 11/13/2003 | US20030210033 System for evaluating probing networks |
| 11/12/2003 | EP1360544A1 Calibrating voltage controllable optical components in communication systems |
| 11/12/2003 | CN2586171Y Photoelectric probe holder of verifier |
| 11/06/2003 | WO2003076956A3 Method for measuring the residual system directivity and/or the residual system port impedance match of a system-calibrated vector network analyser |
| 11/05/2003 | EP1066535B1 Device and assembly for testing electronic components |
| 11/04/2003 | US6643597 Calibrating a test system using unknown standards |
| 10/30/2003 | WO2003027694A3 Method and apparatus for in-circuit testing of sockets |
| 10/28/2003 | US6639770 Current transformer and method for correcting asymmetries therein |
| 10/23/2003 | WO2003088349A1 Signal detection contactor and signal correcting system |
| 10/21/2003 | US6636816 Vector signal analysis method and apparatus therefor |
| 10/16/2003 | WO2002071083A3 Circuit for improved test and calibration in automated test equipment. |
| 10/14/2003 | US6633825 Automatic calibration of time keeping for utility meters |
| 10/09/2003 | WO2003083907A2 Determination apparatus and method of calibrating the apparatus |