Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 1 - Details of instruments or arrangements of the types covered by groups  or
Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups  or (27,269)
12/1988
12/15/1988DE3734365A1 An additional indicator display for a digital measuring device
12/15/1988DE3717528A1 Circuit board tester
12/14/1988EP0295007A2 Film carrier, method for manufacturing a semiconductor device utilizing the same and an associated tester
12/14/1988EP0294939A2 Multiple lead probe for integrated circuits in wafer form
12/14/1988EP0294836A2 Voltage detector
12/14/1988EP0294815A2 Voltage detecting device
12/14/1988EP0294593A1 Mechanical probe for the optical measurement of electrical signals
12/14/1988EP0294592A1 Contact device for the technique of testing circuit boards
12/13/1988US4791376 Multi-probe, hand-held circuit tester
12/13/1988US4791363 Ceramic microstrip probe blade
12/13/1988US4790186 Device for mounting a terminal to an electric indicator
12/08/1988DE3717782A1 Contact-making device for test devices
12/07/1988EP0294205A2 Electromagnetic anechoic chamber with an inner electromagnetic wave reflection surface and an electromagnetic wave absorption small ball disposed in the chamber
12/07/1988EP0293922A2 Voltage detector
12/07/1988EP0293842A1 Voltage detector
12/07/1988EP0293841A1 Voltage detector
12/07/1988EP0293840A2 Voltage detector
12/07/1988EP0293788A1 Voltage detector
12/07/1988EP0293497A1 Arrangement of probes with a device for accurate positioning
12/06/1988US4789829 Method and apparatus for determining RE gasket shielding effectiveness
12/06/1988US4789822 Three-electrode sensor for phase comparison and pulse phase adjusting circuit for use with the sensor
12/01/1988WO1988009489A1 Test meters
12/01/1988DE3715700A1 Measuring capacitor
11/1988
11/30/1988EP0293304A1 High-speed side access edge connector testing assembly
11/30/1988EP0292590A1 Contact device for testing equipment
11/30/1988CN87217010U Miniature electromagnetic apparatus
11/30/1988CN87102142A Automatically protected driving circuit
11/29/1988US4788496 Adapter for a printed circuit board testing device
11/29/1988US4787861 Resilient contact pin and a method of its manufacture
11/23/1988CN88102678A Electroforming emp shieldiing elements
11/22/1988US4786867 Wafer prober
11/22/1988US4786862 Watchdog circuit for transmission line sensor module
11/17/1988EP0291190A1 Woven cable with multiple lossy transmission lines
11/09/1988EP0290182A1 High frequency passive probe
11/09/1988EP0289618A1 Electric resistor equipped with thin film conductor and power detector
11/08/1988US4783719 Test connector for electrical devices
11/08/1988US4783625 Wideband high impedance card mountable probe
11/08/1988US4783624 Contact probe devices and method
11/08/1988CA1244557A1 Apparatus for electronically testing printed circuit boards and the like
11/03/1988WO1988008522A1 Detector for force, acceleration and magnetism using resistor element
11/03/1988DE3812654A1 Vorrichtung zum pruefen von schaltungsplatinen Apparatus for testing circuit circuit boards
11/02/1988EP0288801A2 Probe card apparatus and method of providing same with reconfigurable probe card circuitry
11/02/1988EP0288528A1 Testing device for electric printed circuit boards.
11/01/1988US4782289 Positioning fixture for integrated circuit chip testing board
10/1988
10/25/1988US4780836 Method of testing semiconductor devices using a probe card
10/25/1988US4780670 Active probe card for high resolution/low noise wafer level testing
10/25/1988US4780086 Electrical interface arrangement
10/19/1988EP0287451A1 Test and mounting connection method for an electronic component
10/19/1988EP0286660A1 Method and configuration for testing electronic circuits and integrated circuit chips using a removable overlay layer.
10/18/1988US4778771 Preliminary testing and selection for completion
10/18/1988CA1243355A1 Probe having low battery detection/transmission feature
10/12/1988EP0285799A2 Device for the functional electric testing of wiring arrays, in particular of circuit boards
10/12/1988EP0285798A2 Device for the functional electric testing of wiring arrays, in particular of circuit boards
10/11/1988US4777432 Device for electrically checking printed circuit boards
10/11/1988US4777326 Woven cable with multiple lossy transmission lines
10/06/1988DE3710093A1 Circuit board tester for circuit boards equipped on both sides with SMDs
10/04/1988US4775020 Electronic appliance
09/1988
09/28/1988EP0284195A2 Extended spindle electric gauge mechanism
09/28/1988EP0283545A1 Contact-pins arrangement for the electrical contacting of a test device with circular contact surfaces of a test sample
09/27/1988US4774462 For printed circuit board
09/27/1988US4774459 Adapter for a printed circuit board testing apparatus
09/27/1988US4773877 Contactor for an electronic tester
09/21/1988EP0283219A2 Apparatus for automatically scrubbing a surface
09/20/1988US4772760 Nonorthogonal EMP shielding elements
09/15/1988DE3706632A1 Device for testing free or connected cable conductors, in particular telephone conductors
09/13/1988US4771234 Vacuum actuated test fixture
09/13/1988US4771233 Printed curcuit board lead ammeter
09/13/1988US4771230 Electro-luminescent method and testing system for unpopulated printed circuit boards, ceramic substrates, and the like having both electrical and electro-optical read-out
09/13/1988CA1241992A1 Electrical test probe
09/08/1988DE3739705A1 Device for testing electronic circuit boards
09/08/1988DE3703030A1 Test arrangement for high-speed ICs
09/07/1988WO1988006424A1 Apparatus for measuring data of living body
09/06/1988US4769591 Testing apparatus for leadless package containing a high-frequency integrated circuit chip
09/06/1988US4768972 Test clip for PLCC
09/06/1988US4768461 Indicating device
09/01/1988DE3705714A1 Test assembly for integrated circuits - has test head in form of integrated circuit with test points aligned esp. as mirror image with points on circuit being tested
08/1988
08/31/1988EP0280565A2 Test socket incorporating circuit elements
08/30/1988US4767985 Claw grip contact probe for flat packs
08/30/1988US4767983 Test fixture for electronic device packages
08/24/1988EP0279700A2 Electrical connector (cut-off through the cover)
08/24/1988EP0279649A2 Electrical connector with telescoping for sealing
08/23/1988US4765471 Electrical component carrier
08/23/1988CA1241060A1 Electronic probe having automatic readout of identification and status
08/17/1988EP0278073A1 Probe for an adapter for a device for testing printed circuit boards
08/16/1988US4764723 Wafer probe
08/16/1988US4764722 Coaxial probe
08/16/1988US4764719 Electro-luminescent automatic testing apparatus and method for ceramic substrates, printed circuit boards and like items with background illumination suppression
08/03/1988EP0276280A1 Method for remotely detecting an electric field.
08/03/1988CN87208638U Telemeter for industrial frequency current and voltage
07/1988
07/28/1988WO1988005544A1 Test connector for electrical devices
07/28/1988DE3701072A1 Indicating (pointer-type) instrument
07/27/1988EP0275634A1 Integrated-circuit chip test probe card
07/26/1988US4760342 For determining the charge distribution
07/26/1988US4760335 Large scale integrated circuit test system
07/26/1988US4760334 Digital panel meter
07/20/1988EP0274529A1 Liquid crystal display.
07/20/1988CN87209275U Radio remotecontrolling and protecting unit for microamperemeter
07/19/1988US4758962 Electrical power line and substation monitoring apparatus and systems
07/19/1988US4758785 Pressure control apparatus for use in an integrated circuit testing station
07/19/1988US4758784 Air core gauge with zero pointer return related application
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