Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups or (27,269) |
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03/02/1988 | EP0257833A2 Wideband high impedance card-mountable probe |
03/02/1988 | EP0257832A2 Telescoping pin probe |
03/02/1988 | EP0257724A2 Three-electrode sensor for phase comparison and pulse phase adjusting circuit for use with the sensor |
03/01/1988 | US4728243 Carrier manual load/unload work station |
03/01/1988 | CA1233522A1 Electric meter with electronic rolling demand register |
02/25/1988 | WO1988001390A1 Contact resistance measuring device and measuring needle therefor |
02/25/1988 | DE3628697A1 Terminal adapter for multipole plug-and-socket connector |
02/25/1988 | DE3628104A1 Contact element for test boards |
02/24/1988 | EP0256939A1 Current-measuring device |
02/24/1988 | EP0256541A2 Contacting device |
02/24/1988 | EP0256368A1 Testing device for the double-sided stepwise contacting of equipped printed circuit boards |
02/24/1988 | EP0256207A1 Watchdog circuit for transmission line sensor module |
02/24/1988 | CN87205025U Multifunctional safety kilowatt-hour meter |
02/23/1988 | US4727319 Apparatus for on-wafer testing of electrical circuits |
02/23/1988 | US4727316 Transformer current sensor for superconducting magnetic coils |
02/17/1988 | EP0255909A2 Testing device for the double-sided contacting of printed-circuit boards |
02/16/1988 | US4725775 Resistor isolated burn-in socket board |
02/09/1988 | US4724383 PC board test fixture |
02/09/1988 | US4724377 Apparatus for testing electrical printed circuit boards |
02/09/1988 | US4723908 Dielectric probe; method and apparatus including its use |
01/28/1988 | WO1988000718A1 Method for remotely detecting an electric field |
01/28/1988 | WO1988000717A1 Liquid crystal display |
01/26/1988 | US4721908 Apparatus for electronically testing printed cirucit boards or the like |
01/26/1988 | US4721907 Apparatus for automated testing of surface mounted components |
01/26/1988 | US4721903 Probe and method for electrically contacting surfaces with protective coatings |
01/26/1988 | US4721198 Probe card clamping and changing mechanism |
01/19/1988 | US4720675 Meter locking system |
01/13/1988 | EP0252538A1 Entry circuit for a logic analyser probe, and logic analyser probe provided with such a circuit |
01/13/1988 | EP0252080A1 Arrangement for the measurement of electronic units |
01/12/1988 | US4719417 Multi-level test probe assembly for IC chips |
01/12/1988 | US4719414 Current detection device having an extended frequency range of response |
01/12/1988 | US4719408 Apparatus for indicating proper compensation of an adjustable frequency compensation network |
01/07/1988 | EP0251040A1 Spring test probe and process for manufacturing it |
01/07/1988 | EP0250934A2 Device for contacting micro-electronic modules being tested |
01/07/1988 | EP0250620A1 Method and device for electrically testing printed circuits |
01/07/1988 | DE3720229A1 Spring contact pin and a method for its production |
01/07/1988 | DE3621909A1 Small test rods for film circuits |
01/05/1988 | US4717871 Measuring symbol driving circuit for a digital multimeter |
01/05/1988 | US4717347 Flatpack burn-in socket |
12/29/1987 | US4716365 Circuit tester |
12/23/1987 | DE3719802A1 Device for testing test points on an electronic circuit board or the like as test specimen by means of contact pins |
12/22/1987 | US4714879 Holding and testing device for electronic modules within flat carriers |
12/17/1987 | DE3716240A1 Test adaptor, especially for an integrated circuit |
12/16/1987 | EP0249511A1 Indicator with a needle and locating collar therefor |
12/15/1987 | US4713607 Current sensing circuit |
12/15/1987 | US4713014 Quick-release multi-module terminating assembly |
12/12/1987 | CN86208707U Pointer protection device for electric instrument |
12/10/1987 | DE3619053A1 Electricity cost meter |
12/09/1987 | EP0248521A2 Electrical contactors |
12/09/1987 | EP0248501A1 Detection system for detecting imperfections in a shielding against EM radiation |
12/09/1987 | EP0248000A1 Packaging for electronic demand register |
12/08/1987 | US4712062 Ground shield apparatus for giga-hertz test jig |
12/01/1987 | US4709733 Electron tube pin-sensing and straightening device |
11/26/1987 | DE3716205A1 Spring contact pin for test devices |
11/24/1987 | US4709207 Loading system |
11/24/1987 | US4709206 Ouch saver circuit tester guide and methods of constructing and utilizing same |
11/24/1987 | US4708661 Modified BNC connector for active probe |
11/19/1987 | EP0245787A1 Spring test probe |
11/19/1987 | DE3715171A1 Spring contact pin |
11/19/1987 | DE3615995A1 Device for making contact, for measurement purposes, with the connecting wires of belted electronic components which are to be tested |
11/17/1987 | US4707657 Connector assembly for a circuit board testing machine, a circuit board testing machine, and a method of testing a circuit board by means of a circuit board testing machine |
11/17/1987 | US4707656 Circuit test fixture |
11/17/1987 | US4707655 For testing partially conductive elements |
11/17/1987 | CA1229425A1 Contact array assembly for a computer-controlled printed circuit board testing apparatus |
11/12/1987 | DE3249770C2 Device for testing electrical circuit boards |
11/10/1987 | US4705447 Electronic test head positioner for test systems |
11/10/1987 | US4705333 Test probe for leadless devices |
11/10/1987 | US4705329 Apparatus for electrical function checking of wiring matrices |
11/07/1987 | CN86200002U Circuit detecting probe with a metallic needle |
11/03/1987 | US4704575 Hall-effect current clamp |
10/28/1987 | EP0242542A1 Test adapter |
10/27/1987 | US4703252 Apparatus and methods for resistivity testing |
10/22/1987 | WO1987006352A1 Multimeter |
10/21/1987 | EP0242224A1 Printed wiring board tester |
10/20/1987 | US4701781 Pre-testable semiconductor die package |
10/20/1987 | US4701703 Bed-of-pins test fixture |
10/20/1987 | US4701702 Contact pin having a spring under tension |
10/20/1987 | US4701700 Captivated, pre-loaded spring means for vacuum displaced circuit board testing |
10/20/1987 | US4701696 Retargetable buffer probe |
10/20/1987 | CA1228400A1 Electrostatic system analyzer |
10/14/1987 | EP0240959A1 Clamp-on measuring device |
10/13/1987 | US4700132 Integrated circuit test site |
10/13/1987 | US4700130 Current-measuring arrangement with overload protection |
10/13/1987 | US4700127 Microwave probe and rotary body detecting apparatus using the same |
10/08/1987 | DE3633856A1 Housing for a portable measuring instrument |
10/07/1987 | EP0239691A2 Potentiometer for a voltage-measuring instrument |
10/01/1987 | DE3706652A1 Test adaptor |
10/01/1987 | DE3610613A1 Measuring instrument housing |
09/30/1987 | EP0238886A1 Device for supplying an adapter with contact pins for a printed-circuit board testing device |
09/30/1987 | CN87102433A Energy saving circuit for kilowatt-hour meter |
09/29/1987 | US4697143 Wafer probe |
09/29/1987 | US4696189 Housing for a measuring device |
09/23/1987 | EP0237732A1 Spring-loaded contact pin for a testing apparatus |
09/23/1987 | EP0237698A2 Electronic test head positioner for test systems |
09/23/1987 | EP0237697A2 Electronic test head positioner for test systems |
09/23/1987 | EP0237679A2 Probe heads |
09/16/1987 | EP0236753A2 Test terminal |
09/16/1987 | CN86104307A Voltage divider for voltage measuring instruments |
09/15/1987 | US4694245 Vacuum-actuated top access test probe fixture |
09/10/1987 | DE3606865A1 Device for fitting an adaptor with contact needles for a test facility for printed circuit boards and printed circuit board assemblies |