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)
11/1991
11/26/1991US5068602 DUT board for a semiconductor device tester having a reconfigurable coaxial interconnect grid and method of using same
11/26/1991US5068601 Dual function cam-ring system for DUT board parallel electrical inter-connection and prober/handler docking
11/26/1991US5068600 Testing device for both-sided two-stage contacting of equipped printed circuit boards
11/26/1991CA1292513C Circuit for measuring the dynamic characteristics of a package for high-speed integrated circuits and a method for measuring said dynamic characteristics
11/21/1991EP0457472A1 Socket
11/19/1991US5066907 Probe system for device and circuit testing
11/19/1991US5066357 Method for making flexible circuit card with laser-contoured vias and machined capacitors
11/14/1991DE3153596C2 Test head for electronic conductor boards
11/13/1991CN2088694U Multi-purpose antishock digital microammeter
11/13/1991CN1056170A Electromagnetic nd-fe-b electric meter
11/12/1991US5065092 System for locating probe tips on an integrated circuit probe card and method therefor
11/12/1991US5065089 Circuit handler with sectioned rail
11/06/1991EP0455369A2 Spring contact twister probe for testing electrical printed circuit boards
11/06/1991EP0454860A1 Potential sensor using electro-optical crystal and method of measuring potential
11/05/1991US5063344 Mode selectable interface circuit for an air core gage controller
10/1991
10/30/1991EP0454347A2 Vacuum-actuated test fixture for testing electronic components
10/30/1991EP0453716A2 Connector assembly for chip testing
10/30/1991EP0453693A1 Electric field pockels effect sensor
10/29/1991US5061899 Transfer impedance testing fixture for electromagnetic wave shielding material
10/29/1991US5061894 Probe device
10/29/1991US5061892 Electrical test probe having integral strain relief and ground connection
10/29/1991US5060371 Method of making probe cards
10/25/1991CA2040311A1 Vacuum-actuated test fixture for testing electronic components
10/23/1991EP0453147A1 Testing electronic components
10/23/1991EP0453023A1 Flexible circuit board and method for contacting at least one contact surface with the circuit board
10/23/1991CN1055604A Wireless loss monitoring method for low-voltage circuits
10/22/1991US5059916 Gauge driver for use with a remote sensor and having reduced offset potential response
10/22/1991US5059898 Wafer probe with transparent loading member
10/22/1991US5059892 Radio frequency signal interface
10/22/1991CA1291213C Circuit condition monitoring system
10/17/1991WO1991013477A3 Electrical connector for test rig
10/17/1991DE4011674A1 Plug adaptor for insulated lines - has side tapping for providing connection to test equipment
10/16/1991EP0451690A2 Process and device for drilling and/or equipping of the guiding plates of a test adaptor
10/16/1991CN2086905U Switch for weak current range
10/15/1991US5057904 Socket unit for package having pins and pads
10/15/1991US5057848 Broadband frequency meter probe
10/15/1991US5057031 Zero insertion force pin grid array test socket
10/08/1991US5056033 Microprocessor emulator active probe power supply
10/08/1991US5055780 Probe plate used for testing a semiconductor device, and a test apparatus therefor
10/08/1991US5055779 Integrated board testing system
10/08/1991US5055778 Probe card in which contact pressure and relative position of each probe end are correctly maintained
10/08/1991US5055777 Apparatus for testing of integrated circuits
10/08/1991US5055770 Method and apparatus for detecting voltage
10/08/1991CA1290461C Test pin assembly for circuit board tester
10/03/1991WO1991014600A1 Means for measuring the charging status of a storage battery
10/02/1991EP0449150A2 Thermal transfer plate and integrated circuit chip or other electrical component assemblies including such plate
10/02/1991DE4010297A1 Adaptor for automatic tester for circuit boards - has wire connection between needles wound onto end of one with auxiliary plug-on part on other end
10/01/1991US5053716 Device for calibrating and testing ring-shaped current clamps
10/01/1991US5052183 Open cryogenic microwave test chamber
09/1991
09/27/1991CA2038998A1 Thermal transfer plate and integrated circuit chip or other electrical component assemblies including such plate
09/26/1991DE4009296A1 Function tester for PCB(s) - has adaptor and test heads connected to switch-over unit
09/25/1991EP0448483A1 Apparatus for testing integrated circuits
09/25/1991EP0448419A1 Device for measuring the quality of the contact between two electrical conductors
09/25/1991EP0447928A1 Method and measurement device for indicating the state of a lead battery
09/25/1991EP0447798A2 Test apparatus for printed circuits with IC's on both sides
09/25/1991EP0447532A1 A carrier board
09/24/1991US5051689 Test head with improved shielding
09/24/1991CA1289678C Apparatus for electrically testing printed circuit boards having contact pads in an extremely fine grip
09/17/1991US5049837 Push-pull transformer coupled RF amplifier with response to DC
09/17/1991US5049813 Testing of integrated circuit devices on loaded printed circuit boards
09/11/1991EP0446067A2 Inspection probe
09/11/1991EP0445928A2 System for facilitating planar probe measurements of high-speed interconnect structures
09/05/1991WO1991013477A2 Electrical connector for test rig
09/04/1991EP0445048A1 Current sensor for electronic trip device of a circuit breaker
09/03/1991US5045969 Keyed disconnect of electric service at an electric meter location
09/03/1991US5045781 High-frequency active probe having replaceable contact needles
09/03/1991US5045780 Electrical test probe contact tip
09/02/1991CA2037363A1 Current sensor for an electronic trip device
08/1991
08/28/1991CA2037112A1 Measuring device used to verify the contact established between two electric conductors
08/27/1991US5043656 Electrical test probe
08/27/1991US5042148 Method of manufacturing a probing card for wafer testing
08/22/1991WO1991012706A1 Making and testing an integrated circuit using high density probe points
08/22/1991WO1991012532A2 Process and device for loading an adapter for a printed circuit tester
08/21/1991EP0442149A1 Device and method for charging an adapter for a printed circuit board testing device
08/20/1991US5041782 Microstrip probe
08/20/1991US5041781 Assembly to be fitted in a cylinder of a probe
08/20/1991US5041001 Watt-hour meter plug
08/14/1991EP0440979A1 Wide angle gauge driver with resistive sensor
08/13/1991US5039970 Self-aligning core for induction coil
08/07/1991EP0439948A1 Method and apparatus for testing electronic circuit components
08/06/1991US5038199 Connection terminal of semiconductor device
08/06/1991US5038101 Carriers for electrical components in transistor outline packages
08/06/1991US5038100 Microwave test fixture
08/06/1991CA1287410C Method of and apparatus for testing circuit boards and the like
08/02/1991CA2029855A1 Keyed disconnect of electric service at an electric meter location
07/1991
07/31/1991EP0438537A1 A device for monitoring and indicating a given minimum battery power reserve.
07/30/1991US5036271 Apparatus for characterization of electrical properties of a semiconductor body
07/30/1991CA1287184C Printed circuit board testing employing mechanical isolation
07/24/1991CN2081537U Multipurpose electrician avometer
07/23/1991US5034685 Test device for testing integrated circuits
07/16/1991US5032787 Electrical test probe having rotational control of the probe shaft
07/16/1991CA1286378C Electrical connector (cut-off through the cover)
07/16/1991CA1286377C Electrical connector (with telescoping for sealing)
07/11/1991WO1991010147A1 Device for automatically ascertaining capacitor breakdown voltage
07/09/1991US5031074 Circuit board guide and interfitting device to eliminate floating cables
07/09/1991US5030907 CAD driven microprobe integrated circuit tester
07/09/1991US5030906 Electrical connecting apparatus
07/09/1991US5030869 Device testing system with cable pivot
07/09/1991CA1286033C Environmental stress screening apparatus for electronic products
07/03/1991CN2080182U Digit display high voltage meter
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