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)
02/1995
02/01/1995EP0636895A1 Test grid for tester of unpopulated printed circuits
02/01/1995EP0636894A1 Circuit and method for inspecting the tracks of an interconnect circuit
02/01/1995EP0636893A2 Circuit device for visually signalling leakage currents from an electric system to earth
02/01/1995EP0636890A1 Method for comparing frequency spectrums
02/01/1995EP0636889A1 Current estimating circuit for switch mode power supply
02/01/1995EP0636887A1 Probe for capacitive open-circuit tests
02/01/1995EP0636867A2 A thermocouple testing method and apparatus for detecting an open circuit
02/01/1995EP0636866A2 Method and circuit arrangement for measuring the temperature of a barrier layer of a GTO thyristor
02/01/1995CN1098226A Known good die array and a manufacturing method thereof
01/1995
01/31/1995US5386550 Pseudo-LSI device and debugging system incorporating same
01/31/1995US5386423 Ordering shift register latches in a scan ring to facilitate diagnosis, testing and isolation
01/31/1995US5386392 Programmable high speed array clock generator circuit for array built-in self test memory chips
01/31/1995US5386197 Slidable adapter for simultaneous connection of a plurality of contacts of a backboard test module to conductors of a backboard
01/31/1995US5386195 Method and apparatus for monitoring an electrical property of a conductive coating
01/31/1995US5386193 Partial discharge detecting device for resin-molded transformer
01/31/1995US5386192 Apparatus for checking the contamination condition of electric insulators
01/31/1995US5386189 IC measuring method
01/31/1995US5386188 In-circuit current measurement
01/31/1995US5385487 Apparatus for electrically operating devices in a controlled environment
01/31/1995US5385126 Engine starting system with energy management subsystem
01/31/1995CA2020698C Intermittent fault detection system
01/26/1995WO1995002829A1 Adapter with solid body
01/26/1995DE4331520C1 Evaluation unit for determining the resistance of a semiconducting metal oxide sensor and use thereof
01/25/1995EP0635789A1 Microcontroller integrated circuit with read only memory containing test program, test station and corresponding manufacturing process
01/25/1995EP0635723A1 Buckling beam test probe assembly
01/25/1995EP0449967B1 Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors
01/25/1995EP0440764B1 Microcomputer based electronic trip system for circuit breakers
01/25/1995CN2188214Y Cable fault positioning meter
01/24/1995US5384741 Semiconductor memory device adapted for preventing a test mode operation from undesirably occurring
01/24/1995US5384638 Sampling-type optical voltage detector utilizing movement of interference fringe
01/24/1995US5384541 Precision timed delay measurement using phaselocked CW technique
01/24/1995US5384540 Wire presence and identification system
01/24/1995US5384539 Process for monitoring inductive loads for faults on the control line using sampling techniques
01/24/1995US5384533 Testing method, testing circuit and semiconductor integrated circuit having testing circuit
01/24/1995US5384531 Apparatus for inspecting characteristics of semiconductor chips
01/24/1995US5384494 Programmable hold-off for integrated circuit I/O pins
01/21/1995CA2128272A1 Transformer fault analyzer
01/19/1995WO1995002196A1 Reusable die carrier for burn-in and burn-in process
01/19/1995DE4423186A1 Verfahren und Einrichtung zum Testen von integrierten Schaltungen Method and device for testing integrated circuits
01/19/1995DE4422986A1 Test equipment for electromagnetic disturbances
01/19/1995DE4422329A1 Method and device for operating an electrical system of an electrical vehicle
01/19/1995DE4402230C1 Method for testing whether terminal pins (posts) of an integrated circuit are electrically conductively soldered into a printed circuit and circuit arrangement for carrying out the method
01/18/1995EP0634892A1 Light source device for an image processor
01/18/1995EP0634020A1 Auto-self test of ac motor system
01/18/1995CN2187798Y Rectifier on-line trouble monitoring alarm device for multi-phase rectifier
01/18/1995CN2187797Y Digital display and automatic speech sound multimeter
01/18/1995CN2187795Y Multi-function electricity tester
01/17/1995US5383195 BIST circuit with halt signal
01/17/1995US5383194 Integrated logic circuit including impedance fault detection
01/17/1995US5383143 Self re-seeding linear feedback shift register (LFSR) data processing system for generating a pseudo-random test bit stream and method of operation
01/17/1995US5383137 Emulation system and method for development of a low power data processor
01/17/1995US5383136 Electrical test structure and method for measuring the relative locations of conducting features on an insulating substrate
01/17/1995US5382946 Method and apparatus for detecting leakage resistance in an electric vehicle
01/17/1995US5382912 Resistance monitors
01/17/1995US5382909 Method for detecting and obtaining information about changes in variables
01/17/1995US5382907 Data input module for inputting data by means of electrical contact for a monitoring/control installation
01/17/1995US5382906 Method for determining an actual tripping characteristic of a relay
01/17/1995US5381946 Method of forming differing volume solder bumps
01/17/1995US5381701 Dust particle exposure chamber
01/17/1995US5381585 For providing orthogonal movements of first and second levers
01/17/1995CA2022963C Electronic control for an automatic washing machine with a reversing psc motor
01/12/1995WO1995001573A1 Electrical test instrument
01/12/1995WO1995001205A1 Fault-tolerant elective replacement indication for implantable medical device
01/12/1995DE4423362A1 Vorrichtung zur Überprüfung der Kopfhörer einer Kopfhöreranordnung Device for checking the headphones a headphone device
01/12/1995DE4322845A1 Arrangement for measuring fault currents in load circuits or the like
01/12/1995CA2164425A1 Fault-tolerant elective replacement indication for implantable medical device
01/11/1995EP0633666A2 Testing method and apparatus for detecting the presence of all codes
01/11/1995EP0633530A2 Testing sequential logic circuit upon changing into combinatorial logic circuit
01/11/1995EP0633478A2 Method and device for testing electronic circuit boards
01/11/1995EP0633474A1 Short circuit detector for sensors
01/11/1995EP0632901A1 Process for testing terminal resistances in ecl networks.
01/11/1995CN2187313Y Safety power supply detector
01/11/1995CN2187312Y Portable electric-shocking protector and leak detector
01/11/1995CN1097253A Fault-testing method for cable
01/10/1995US5381453 Efficient functional test scheme incorporated in a programmable duration binary counter
01/10/1995US5381421 Per pin circuit test system having N-bit pin interface providing speed improvement with frequency multiplexing
01/10/1995US5381420 Decoupled scan path interface
01/10/1995US5381419 Method and apparatus for detecting retention faults in memories
01/10/1995US5381418 For verifying correct operation of storage device
01/10/1995US5381417 Circuit testing system
01/10/1995US5381372 Semiconductor memory device
01/10/1995US5381350 Process for determining the backup time of a battery
01/10/1995US5381348 Token ring local area network testing apparatus using time delay reflectory
01/10/1995US5381345 Logic-circuit layout pattern inspection method and logical simulation
01/10/1995US5381344 Apparatus and method for obtaining a list of numbers of wafers for integrated circuit testing
01/10/1995US5381131 Smoke detecting apparatus for fire alarm
01/10/1995US5381105 Method of testing a semiconductor device having a first circuit electrically isolated from a second circuit
01/10/1995US5381104 Method for the inspection of circuit board
01/10/1995US5381103 System and method for accelerated degradation testing of semiconductor devices
01/10/1995US5381100 Pulse signal measuring instrument
01/10/1995US5381098 For detecting electromagnetic radiation emanating from power lines
01/10/1995US5381096 Method and apparatus for measuring the state-of-charge of a battery system
01/10/1995US5381088 Change-over type of testing equipment for non-utility power generators or the like
01/10/1995US5381087 LSI with built-in test circuit and testing method therefor
01/10/1995US5381085 Phase lock loop with self test circuitry and method for using the same
01/10/1995US5381045 Circuit for AC voltage application in synchronism with pattern signal generator
01/05/1995WO1995001087A1 Method and apparatus for non-conductively interconnecting integrated circuits
01/05/1995WO1995001011A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
01/05/1995WO1995000971A1 Method of evaluating current-driven conductive material
01/05/1995WO1995000864A1 Magnetic screen