Patents
Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
06/1992
06/17/1992DE4039595A1 IC fault potential measuring device
06/17/1992CN2107664U Semi-conductor tester
06/17/1992CN2107663U Five-function cable component wire checking device
06/17/1992CN2107662U Coal mine under well cable leakage tester
06/17/1992CN2107661U Motive vehicle electric fault tester
06/17/1992CN1017091B Detetor for electronically detecting defect of cause loss for electric-energy in d.c. transmission lines
06/16/1992US5122988 Data stream smoothing using a FIFO memory
06/16/1992US5122978 Pulse width measurement technique
06/16/1992US5122773 Device for injecting an electromagnetic signal into a conductive wire
06/16/1992US5122753 Method of testing electrical components for defects
06/16/1992US5122751 Device for detecting residual capacity of a battery both in load and no load conditions
06/16/1992US5122739 STM-like device and method for measuring node voltages on integrated circuits
06/16/1992US5122738 Integrated circuit having logic circuits with latch elements connectable in shift register configuration for testing
06/16/1992US5122737 Method for photoemission inspection of via studs in integrated circuit packages
06/16/1992US5122736 Apparatus for and method of pressing pins of an IC for testing
06/16/1992US5122725 Negative feedback power supply apparatus
06/16/1992US5122661 Method and apparatus for testing infrared radiation detectors
06/16/1992US5121975 Fail-safe photoelectric detector
06/16/1992CA1303752C Burn-in pads for tab interconnect structures
06/15/1992CA2033410A1 Powerline monitoring device
06/11/1992WO1992009974A1 Method and apparatus for testing lcd panel array prior to shorting bar removal
06/11/1992WO1992009900A1 Method and apparatus for testing lcd panel array
06/11/1992WO1992009804A1 Spark-plug simulator
06/11/1992WO1992009461A1 Test circuit for detection of malfunctions in an electric triggering device
06/11/1992DE4139189A1 Testing external quality of objects, esp. components on PCB - testing with different test devices according to different evaluation data entered into computer
06/11/1992CA2057169A1 System for testing electrical continuity and insulation of the conductors of a cabling element
06/10/1992EP0489666A1 Connection set with test plug
06/10/1992EP0489665A1 Insulation monitor with better precision
06/10/1992EP0489571A2 Estimating resistance and delay in an integrated circuit structure
06/10/1992EP0489570A2 Antifuse programming in an integrated circuit structure
06/10/1992EP0489511A2 Method and apparatus for diagnosing failures during boundary-scan tests
06/10/1992EP0489510A2 Active distributed programmable line termination for in-circuit automatic test receivers
06/10/1992EP0489394A2 Semiconductor integrated circuit
06/10/1992EP0489146A1 Electrographic process utilizing fluorescent toner and filtered detector for generating an electrical image signal.
06/10/1992EP0489052A1 Device for the operational electrical testing of wired areas, especially printed circuit boards.
06/10/1992CN2107026U Portable ultralow frequency high-voltage holding 100kv tester
06/10/1992CN2107025U Cable line short-circuit dot tester
06/10/1992CN2107024U Cable core-breaking tester
06/09/1992US5121420 Automatic line defect detector
06/09/1992US5121394 Method of organizing programmable logic array devices for board testability
06/09/1992US5121282 Arcing fault detector
06/09/1992US5121067 Directional sampling bridge
06/09/1992US5121066 Variable load dump simulator system
06/09/1992US5121065 Mixed domain mixed ratio frequency response sampling
06/09/1992US5121057 Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals
06/09/1992US5121053 Tab frame and process of testing same
06/09/1992US5121052 Automated handler for semiconductor devices
06/09/1992CA1303237C Apparatus for testing circuit boards
06/09/1992CA1303236C Finding faults in circuit boards
06/09/1992CA1303175C Static-free interrogating connector for electric components
06/07/1992CA2056928A1 Test connector
06/05/1992CA2055896A1 Structure and method for programming antifuses in an integrated circuit array
06/05/1992CA2054883A1 Structure and method for testing antifuse resistance and circuit speed
06/04/1992DE4038535A1 Testable integrated circuit and assembly - has by=pass circuit for input signal of each function part and multiplexers for functional part outputs
06/04/1992DE4038266A1 Testing gas pressure tightness, esp. sulphur hexa:fluoride tightness of capacitors - placing component in container, evacuating container, then taking and measuring gas sample
06/04/1992DE4038041A1 Registering and marking insulation faults - by automatically isolating through tools during electric cable mfr., with min. two strands
06/04/1992DE4038040A1 Registering and marking insulation faults in electric cable mfg. - involves marking defects on cable core with iron pins while production continues
06/04/1992DE4037687A1 Arrangement for testing sections of digital electronic systems - checks address of section against test address before connecting section scan bus to system scan bus
06/03/1992EP0488908A1 Permanent insulation monitor
06/03/1992EP0488719A2 System and method for detecting partial discharge of gas-insulated switchgear
06/03/1992EP0488612A1 A semiconductor memory with inverted write-back capability and method of testing using inverted write-back
06/03/1992EP0488281A2 Test mode setting arrangement for use in microcomputer
06/03/1992EP0488149A2 Method of analyzing metal impurities in surface oxide film of semiconductor substrate
06/03/1992EP0488031A2 Method of and apparatus for inspecting a printed circuit board
06/03/1992EP0487941A2 Testable integrated circuit and associated circuitry
06/03/1992EP0487784A1 Method for detecting the charge limit of a battery
06/03/1992CN1061661A Digital wire searcher
06/03/1992CN1016901B Computerized pulse remote-detector for line failure
06/02/1992US5119378 Testing of integrated circuits including internal test circuitry and using token passing to select testing ports
06/02/1992US5119337 Semiconductor memory device having burn-in test function
06/02/1992US5119335 Semiconductor static memory device
06/02/1992US5119035 Millimeter and/or submillimeter network vector analyzer
06/02/1992US5119031 Method and apparatus for monitoring the integrity of a multiple-planes grounding system
06/02/1992US5119011 Battery state of charge indicator
05/1992
05/29/1992WO1992008993A1 Optimizing the electrical length of a signal flow path
05/29/1992WO1992004620A3 Method and apparatus for high resolution inspection of electronic items
05/29/1992CA2056336A1 Insulation monitor with improved precision
05/27/1992EP0487302A2 Method for testing electrical properties of silicon single crystal
05/27/1992EP0487258A2 Testing electric cables
05/27/1992EP0486922A2 Arrangement for checking a liquid crystal display
05/27/1992EP0486654A1 Method and apparatus for monitoring fuel cell performance.
05/27/1992DE4135425A1 Power distribution line automatic defects detector
05/27/1992CN2105695U Auto-tester for voltage on high-voltage pendulous chain insulator
05/27/1992CN2105694U Tester for electric apparatus of car & tractor
05/27/1992CN2105693U Multi functional tester for indicating lamp
05/27/1992CN1016821B On-line measuring instrument of photoelectric coder
05/27/1992CN1016820B Portable micro-computer controlled multifuncitonal tester of protective relay
05/27/1992CN1016819B Device for diagnosing electric power apparatus and method
05/26/1992US5117426 Circuit, device, and method to detect voltage leakage
05/26/1992US5117393 Method of testing memory cells in an address multiplexed dynamic ram including test mode selection
05/26/1992US5117191 Apparatus for monitoring degradation of insulation of electrical installation
05/26/1992US5117189 Automatic testing apparatus for electrical switches
05/26/1992US5117173 Integrated battery cycle counter
05/26/1992US5115858 Micro-channel wafer cooling chuck
05/26/1992CA1301954C Noninvasive method and apparatus for characterization of semiconductors
05/26/1992CA1301950C Lsi system including a plurality of lsi circuit chips mounted on a board
05/26/1992CA1301948C Circuit board interfacing apparatus
05/26/1992CA1301947C Compensating system for inspecting potentially warped printed circuit boards
05/20/1992EP0486203A2 Wire harness modular interface adapter system and testing apparatus
05/20/1992EP0486114A2 Electrical testing apparatus