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)
09/1995
09/05/1995US5448399 Optical system for scanning microscope
09/05/1995US5448199 Internal supply voltage generation circuit
09/05/1995US5448179 Screening of conductors and contacts on microelectronic devices
09/05/1995US5448176 Cable fault detection using a high voltage alternating polarity DC signal superposed with a system frequency AC signal
09/05/1995US5448166 Powered testing of mixed conventional/boundary-scan logic
09/05/1995US5448164 Electrical test apparatus and method of checking the apparatus
09/05/1995US5448064 Scanning electron microscope
09/05/1995US5447442 Compliant electrical connectors
08/1995
08/31/1995WO1995023341A1 Translator fixture with module for expanding test points
08/31/1995WO1995023340A1 Printed circuit board test set with test adapter and method for setting the latter
08/31/1995WO1995023326A1 Method and device for checking the integrity of the electrical insulating means of an object comprising conductors
08/31/1995DE4406538A1 Leiterplatten-Prüfeinrichtung mit Prüfadapter und Verfahren zum Einstellen desselben The same PCB tester with test adapter and method for adjusting
08/31/1995DE4406193A1 Attachment for vehicle starter battery
08/31/1995DE19507826A1 Verfahren zur Feststellung einer Unregelmäßigkeit für elektrische Ausrüstungen, insbesondere für eine rotierende elektrische Maschine, und eine Vorrichtung zur Durchführung des Verfahrens A method for detecting an irregularity for electrical equipment, in particular for a rotating electric machine, and a device for carrying out the method
08/31/1995DE19506759A1 Halbleitervorrichtung, zugehöriges Herstellungsverfahren, Verfahren zum Testen von Halbleiterelementen, Testsubstrat für das Verfahren sowie Verfahren zur Herstellung des Testsubstrats A semiconductor device manufacturing method thereof, method for testing semiconductor devices, the test substrate for the process and method of manufacturing the test substrate
08/31/1995DE19505462A1 Switching current supply
08/31/1995CA2366420A1 Patient care and communication system
08/31/1995CA2180642A1 Printed circuit board test set with test adapter and method for setting the latter
08/30/1995EP0669691A1 Circuit for devices for measuring and monitoring electrical currents
08/30/1995EP0669623A1 Test circuit of semiconductor memory device having data scramble function
08/30/1995EP0669537A1 Integrated semiconductor device
08/30/1995EP0375919B1 Calculating AC chip performance using the LSSD scan path
08/30/1995CN2206464Y Single end electric wire test device
08/29/1995US5446895 Measurement analysis software system and method
08/29/1995US5446748 Apparatus for performing logic simulation
08/29/1995US5446742 Techniques for developing integrated circuit test programs and their use in testing actual circuits
08/29/1995US5446683 Methods and apparatus for generating pseudo-random binary patterns
08/29/1995US5446682 System for calibrating a line isolation monitor
08/29/1995US5446674 Crosstalk verification device
08/29/1995US5446537 Method of sorting semiconductor lasers
08/29/1995US5446444 Capacitive threshold detector test circuit
08/29/1995US5446420 Method and apparatus for reducing jitter and improving testability of an oscillator
08/29/1995US5446399 Method and structure for a fault-free input configuration control mechanism
08/29/1995US5446395 Test circuit for large scale integrated circuits on a wafer
08/29/1995US5446394 Test fixture with permanent circuit board extractor thereon
08/29/1995US5446392 Submarine equipment and fault locating method for a submarine communication system
08/29/1995US5446389 Portable test set for testing operability of a locomotive
08/29/1995US5446388 Tool for pulling and testing cartridge-type fuses
08/29/1995US5446387 Method and a device for determining a fault on a transmission line
08/29/1995US5446354 Drive apparatus for brushless DC motor and failure diagnosing method for the same
08/29/1995US5446322 Apparatus and method for determining when the frequency of an alternating signal is below a predetermined threshold
08/24/1995WO1995022429A1 Multi-wavelength laser optic system for probe station and laser cutting
08/24/1995DE4442636A1 Bezahlung-pro-Anwendung-Zugriff auf vielfache elektronische Testfähigkeiten und Testbetriebsmittel Pay-per-use access to multiple electronic test capabilities and test equipment
08/24/1995CA2182358A1 Multi-wavelength laser optic system for probe station and laser cutting
08/23/1995EP0667964A1 Fault and splice finding system and method
08/23/1995EP0667963A1 Armature connection resistance measuring method and apparatus
08/23/1995EP0667962A1 Printed circuit board testing device with foil adapter.
08/22/1995US5444759 Method of predicting voltages in telephone line measurement
08/22/1995US5444717 Method for providing minimal size test vector sets
08/22/1995US5444716 Boundary-scan-based system and method for test and diagnosis
08/22/1995US5444715 AC interconnect test of integrated circuit chips
08/22/1995US5444392 CMOS input stage
08/22/1995US5444391 Tie-up and tie-down circuits with a primary input for testability improvement of logic networks
08/22/1995US5444389 Method and apparatus for measuring lifetime of minority carriers in semiconductor
08/22/1995US5444388 Apparatus for testing semiconductor devices using a conductive sheet
08/22/1995US5444387 Test module hanger for test fixtures
08/22/1995US5444386 Probing apparatus having an automatic probe card install mechanism and a semiconductor wafer testing system including the same
08/22/1995US5444385 Testing apparatus for liquid crystal display substrates
08/22/1995US5444384 Method and device of contactless measurement of electric voltages in a unit under measurement with an insulating surface
08/22/1995US5444380 Current surge indicator
08/22/1995US5444378 Battery state of charge monitor
08/22/1995US5444366 Wafer burn-in and test system
08/22/1995US5444365 Voltage measuring apparatus having an electro-optic member
08/22/1995US5443404 Socket for electric part
08/22/1995CA2025173C Diagnostic apparatus for a vehicle network system and method of diagnosing a vehicle network system
08/17/1995WO1995022212A1 Optical time domain reflectometry
08/17/1995WO1995022206A1 Delay-locked loop
08/17/1995WO1994023366A3 Power line communications analyzer
08/17/1995DE4417031C1 Integrated circuit electromagnetic combability measurement method
08/17/1995DE19505652A1 Instantaneous phase and amplitude measurement circuit +
08/17/1995DE19504468A1 Nickel-Cadmium battery charger circuit with microprocessor and sensors +
08/17/1995DE19504287A1 AC motor torque measurement with hum reduction circuit
08/16/1995EP0667538A2 Non-contact type wave signal observation apparatus
08/16/1995EP0667535A2 Electron beam tester and testing method using the same
08/16/1995EP0667534A1 Method for measuring a resistance value
08/16/1995EP0627083A4 Method and apparatus for electronic meter testing.
08/16/1995CN2205562Y Cable obstacle measuring analyzer
08/16/1995CN2205561Y DC electricity tester
08/16/1995CN1106957A Self-testing circuit breaker ground fault and sputtering arc trip unit
08/16/1995CN1106926A Method for testing electronic devices attached to a leadframe
08/16/1995CN1106925A Resistance-measurement based arrangement for monitoring integrity of travel path ground link in electronic components handling apparatus
08/15/1995US5442671 Circuit and method of detecting actuator movement
08/15/1995US5442644 System for sensing the state of interconnection points
08/15/1995US5442643 Integrated circuit chip with testing circuits and method of testing the same
08/15/1995US5442642 Test signal generator on substrate to test
08/15/1995US5442549 Diagnostic vehicle alignment system
08/15/1995US5442391 Method and a system for testing a cathode ray tube or like products
08/15/1995US5442305 Active bus termination device
08/15/1995US5442302 Method and apparatus for measuring high-frequency C-V characteristics of MIS device
08/15/1995US5442301 LSI test circuit
08/15/1995US5442300 Ultrafast electrical scanning force microscope probe
08/15/1995US5442299 Printed circuit board test fixture and method
08/15/1995US5442297 Contactless sheet resistance measurement method and apparatus
08/15/1995US5442282 Testing and exercising individual, unsingulated dies on a wafer
08/15/1995US5442279 Apparatus and method for detecting power of a three phase alternating current system
08/15/1995US5442257 System for and method of lighting discharge lamp having failure detection of discharge lamp, external wiring and lighting circuit
08/15/1995US5442170 Programmable cable adaptor for connecting different automobile computers to diagnostic equipment
08/15/1995US5440943 Electronic test head manipulator
08/15/1995CA2042869C Method and circuit for testing the conductive circuitry of a printed circuit board
08/10/1995WO1995021471A1 Battery with strength indicator