Patents
Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups  or (27,269)
03/1987
03/10/1987US4649338 Fine line circuitry probes and method of manufacture
03/03/1987US4647851 Fine line circuitry probes and method of manufacture
02/1987
02/25/1987CN86200112U Misoperation indicating device for universal meter
02/24/1987US4646007 Tachometer indicator with uncompensated magnetic return to zero
02/24/1987US4646005 Signal probe
02/18/1987CN85102189A Systems engineering of electric power measurement
02/17/1987US4644269 Test fixture having full surface contact hinged lid
02/17/1987US4643501 Electronic board fixture
02/04/1987CN85204505U Small-signal linear wave detector for oscillograph
01/1987
01/29/1987DE3526137A1 Device for decoupling a test probe
01/27/1987US4639058 Low profile test clip and handle therefor
01/22/1987DE3525325A1 Automatic contact terminal
01/20/1987US4638239 Reference voltage generating circuit
01/15/1987DE3524420A1 Device for storing test prods or probe tips
01/14/1987EP0208590A1 Hall effect current-measuring probe
01/13/1987US4636723 Testing device for printed circuit boards
01/13/1987US4636722 High density probe-head with isolated and shielded transmission lines
01/13/1987US4636026 Electrical test probe
01/07/1987EP0207129A1 Test fixture for facilitating the connection of leads of an integrated circuit packeage to test apparatus
12/1986
12/30/1986US4633176 Test fixture including deflectable probes
12/30/1986US4632485 Electrical circuit testing apparatus
12/30/1986EP0206488A1 Method and apparatus for measuring electric current
12/30/1986EP0205768A2 Measuring instrument housing
12/24/1986CN85202641U Tong-type leakage current meter detection system
12/23/1986CA1215790A1 Component verifier
12/18/1986WO1986007493A1 Calibration apparatus for integrated circuits
12/17/1986EP0201181A1 Probe assembly for use with electronic instrument
12/16/1986US4629981 Meter overdrive protection circuit
12/16/1986US4629975 Coaxial probe for measuring the current density profile of intense electron beams
12/16/1986US4629262 Position sensor for magnetic suspension and pointing system
12/10/1986CN86200707U Isolating tester
12/03/1986EP0203369A1 Arrangement for or in moving iron or moving coil instruments
12/03/1986CN85104346A Alternating millivoltmeter having single composited tube amplifier
12/02/1986US4626780 Tri-axis automated test system for printed circuit boards
12/02/1986US4626779 Spring-stops for a bi-level test fixture
12/02/1986US4626778 Active current sensor with primary reducing winding
12/02/1986US4626776 Circuit board testing apparatus
12/02/1986US4626775 Radio frequency probing apparatus for surface acoustic wave devices
11/1986
11/25/1986US4625262 Pointer illuminating structure in measuring instrument
11/25/1986US4625164 Vacuum actuated bi-level test fixture
11/20/1986WO1986006841A1 Pc board test fixture
11/20/1986EP0118147B1 Measuring and damping resistance arrangement for a high-voltage apparatus
11/18/1986US4623839 Probe device for testing an integrated circuit
11/11/1986US4622514 Multiple mode buckling beam probe assembly
11/06/1986WO1986006495A1 A coplanar waveguide probe
11/04/1986US4621232 Inspection of unsintered single layer or multilayer ceramics using a broad area electrical contacting structure
11/04/1986US4620765 Eight conductor modular test adapter
10/1986
10/28/1986US4620151 Electric current measuring tongs with magnetic circuit and pivoting arm
10/21/1986US4618821 Test probe assembly for microelectronic circuits
10/21/1986US4618820 Probe support for test fixture of printed circuit artworks
10/21/1986US4618819 Measurement of electrical signals with subpicosecond resolution
10/21/1986US4618208 Circuit test clip
10/21/1986US4618199 Low insertion force socket
10/15/1986EP0197637A1 Electrical circuit test probe and connector
10/15/1986EP0197636A1 Electrical connector for electrical circuit test probe and connector
10/14/1986US4617548 Current sensing resistance apparatus
10/08/1986EP0196495A1 Pliers
10/08/1986CN85204716U Multipurpose multimeter pen
10/07/1986US4616178 Pulsed linear integrated circuit tester
10/01/1986EP0196158A1 Apparatus and methods for resistivity testing
10/01/1986EP0196149A1 Electrical interface arrangements
09/1986
09/30/1986US4614386 Adaptor for changing the pitch of a contact array used with a printed circuit board testing apparatus
09/24/1986EP0195556A1 Test clip for PLCC
09/24/1986EP0195467A1 Induction probe arrangement with several probes
09/23/1986US4613813 Electrostatic system analyzer
09/17/1986EP0194805A1 Test clip for PLCC
09/17/1986EP0194695A1 Process and testing adapter for contacting elements for testing
09/09/1986US4611166 Radiation hazard detector
09/02/1986US4609243 Adaptor for automatic testing equipment
08/1986
08/27/1986EP0192345A1 Apparatus for automated testing of surface mounted components
08/27/1986EP0192057A2 Device for making an electrically conductive contact on an insolated cable core
08/26/1986CA1210454A1 Vision obstructing shield for electric meters
08/14/1986WO1986004685A1 Arrangement for the measurement of electronic units
08/13/1986EP0190164A1 Pass-through test socket for semiconductor devices
08/12/1986US4605894 High density test head
08/12/1986CA1209725A1 Integrated circuit mounting apparatus
08/06/1986CN85203305U Plier-type power factor meter
08/05/1986US4604572 Device for testing semiconductor devices at a high temperature
08/05/1986CA1209277A1 Adaptor for automatic testing equipment and method
07/1986
07/30/1986EP0189179A1 Test adapter
07/29/1986US4603293 Measurement of electrical signals with subpicosecond resolution
07/29/1986US4603023 Method of making a hybrid dielectric probe interposer
07/22/1986CA1208293A1 Sensing switch for a detachable communications probe
07/15/1986US4600878 Apparatus for testing electrical microprinted circuits utilizing ionizing gas for providing electrical connections
07/08/1986US4599559 Test probe assembly for IC chips
07/08/1986US4599557 Logic probe
07/02/1986EP0185714A1 A 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.
07/01/1986US4598246 Printed circuit board tester having a flex and wiping action free vacuum actuated edge connector
07/01/1986US4597622 Electrical connector for electrical circuit test probe and connector
06/1986
06/19/1986WO1986003591A1 Contact set for test apparatus for testing integrated circuit package
06/18/1986EP0184619A2 Printed circuit testing device
06/18/1986EP0184609A1 Device for measuring a current with a resistor
06/10/1986US4593804 Apparatus for guiding a circuit board onto a testing location on a test fixture
06/04/1986CN85203169U Multiple purpose millivolt, temperature and heat flow tester
06/03/1986US4593243 Coplanar and stripline probe card apparatus
05/1986
05/21/1986EP0181806A1 Integrated circuit test clip
05/21/1986EP0181729A1 Apparatus for use in testing circuit boards
05/21/1986EP0181429A1 Contact probe
05/20/1986US4590422 Automatic wafer prober having a probe scrub routine
05/20/1986US4590335 Test shoe for telephone connector blocks having module retraction means