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)
10/1993
10/06/1993EP0563695A2 Method and means for detecting short circuits in parts of electrical networks
10/06/1993EP0563683A2 Process and apparatus for testing switch contacts
10/06/1993EP0563677A1 Subscriber circuit tester
10/06/1993EP0563676A2 Calibrating method for the transmitting and measuring circuit of a test appliance
10/06/1993EP0563675A2 Test means for testing a circuit
10/06/1993EP0428601B1 System for measuring partial discharges
10/06/1993EP0378631B1 System for detecting free particles in a component housing and detection process
10/06/1993EP0220233B1 Target keys for wafer probe alignment
10/06/1993EP0145725B1 Method of and apparatus for real-time high-speed inspection of objects for identifying or recognizing known and unknown portions thereof, including defects and the like
10/06/1993CN2143335Y Tester for electric leakage protector
10/06/1993CN2143334Y Multifunctional and high sensible voltage tester
10/06/1993CN1077048A Circuit for generating an internal source voltage
10/06/1993CN1077032A Monitor instrument for accumulator and d.c power supply system
10/06/1993CN1077031A Electric arc and radio frequency spectrum detection
10/06/1993CN1077028A Method of and apparatus for object or surface inspection employing multicolor reflection discrimination
10/05/1993US5251228 Reliability qualification vehicle for application specific integrated circuits
10/05/1993US5251091 Solenoid driving circuit for automatic transmission
10/05/1993US5250924 Power supply testing system for non-utility power generators and so on
10/05/1993US5250909 Automatic fault detection system in electrical sensing circuit
10/05/1993US5250908 Portable apparatus for testing multi-wire harnesses and electrical assemblies to identify wiring errors
10/05/1993US5250905 Observing a change in visible electrode
10/05/1993US5250904 Device for predicting imminent failure of a stationary lead acid battery in a float mode
10/05/1993US5250895 Method of acceleration testing of reliability of LSI
10/05/1993US5250809 Method and device for checking joint of electronic component
10/05/1993CA1322778C Monitoring system
10/04/1993CA2093293A1 Rechargeable light curing apparatus
09/1993
09/29/1993EP0562959A1 Information input module with electrical contacts for command- and control-installations
09/29/1993EP0562886A2 Method and apparatus for generating test sequence
09/29/1993EP0562884A2 Basic DCVS circuits with dual function load circuits
09/29/1993EP0562614A2 Method and apparatus for inspecting a solderless terminal by image processing
09/29/1993EP0561765A1 Novel method of making, testing and test device for integrated circuits
09/29/1993EP0437559B1 Process and device for controlling and/or regulating the output of an internal combustion engine in a motor vehicle
09/29/1993CN1076786A Multifunction on-line withstand voltage test instrument
09/28/1993US5249281 Testable ram architecture in a microprocessor having embedded cache memory
09/28/1993US5248947 Microwave oscillator having microstrip antenna for test purposes
09/28/1993US5248937 Circuit configuration for signal testing of functional units of integrated circuits
09/28/1993US5248936 Semiconductor integrated circuit and a method of testing the same
09/28/1993US5248929 Battery time monitor for cellular telephone
09/28/1993US5248365 Method for passing and bonding a cable through and to an inner wall of a cryostat
09/28/1993US5247843 Apparatus and methods for simulating electromagnetic environments
09/28/1993CA1322574C Apparatus for displaying the remaining charge of rechargeable battery
09/23/1993DE4306463A1 Digital data generation system with programmable dominance-latch device - contains pattern generator producing pulses with definable leading and trailing edge durations
09/23/1993DE4208439A1 Component testing system using HF electrical field - forms antenna as coaxial cable line with outer conductor connected to HF source or detector and inner to screened room
09/22/1993EP0561146A2 Method for determining switching characteristics
09/22/1993EP0560996A1 Pin scan-in type lsi logic circuit, pin scan-in system driving circuit, and circuit mounting board test method
09/22/1993EP0560940A1 Apparatus for a minimal memory in-circuit digital tester.
09/22/1993EP0479915A4 Portable low power computer
09/22/1993CN2142574Y Earth connection measuring apparatus for power system
09/22/1993CN1076558A Automatic protector for electrical equipment of car
09/22/1993CN1076526A Method and apparatus for electronic meter testing
09/21/1993US5247525 Test circuit with signature register and an additional register
09/21/1993US5247458 Method and apparatus for testing a digital system for the occurrence of errors
09/21/1993US5247454 Reconfigurable circuit monitoring system
09/21/1993US5247344 Optical inspection system for solder joints and inspection method
09/21/1993US5247259 Cable testing method and apparatus
09/21/1993US5247258 System for measuring partial discharges
09/21/1993US5247248 Burn-in apparatus and method of use thereof
09/21/1993US5247247 Low temperature IC handling apparatus
09/21/1993US5247246 Testing of integrated circuit devices on loaded printed circuit boards
09/21/1993US5247245 Apparatus for testing different electrical sensors
09/21/1993US5245863 Atomic probe microscope
09/21/1993CA1322388C Electrical test fixture
09/16/1993WO1993018558A1 Electromagnetic interference testing apparatus
09/16/1993WO1993018457A1 Transparent testing of integrated circuits
09/16/1993DE4238079C1 Flip=flop circuit incorporating fault diagnosis function - uses control logic to allow operation as shift register in fault diagnosis test mode
09/16/1993DE4207874A1 Visual control unit for post production manual treatment of PCB's - provides continuous monitoring of progress of tool over PCB in both fine and coarse viewing ranges.
09/16/1993DE4207643A1 Safety testing of structures actuated by electric motor position drives - measuring motor efficiency, calibration using torque measurement, storing measured functions for later comparison
09/16/1993DE4201022C1 IC testing device for evaluating sensitivity to electrostatic discharge - uses X=Y coordinate plotter system to connect contact pin to IC adaptor terminal contact points for supplying HV test pulses
09/15/1993EP0560565A2 Method and apparatus for object or surface inspection
09/15/1993EP0560510A1 Battery operated computer and method for managing battery power in battery operated computer
09/15/1993EP0560500A1 Method and apparatus for testing edge connector I/O connections for circuit boards using boundary scan
09/15/1993EP0560484A2 Identification of pin-open faults by capacitive coupling
09/15/1993EP0560468A1 Battery monitoring device and method
09/15/1993EP0560400A2 Airbag restraint system and method to test such a system
09/15/1993EP0560096A2 Apparatus for measuring bend amount of IC leads
09/15/1993EP0471698B1 Process for determining physical variables of rechargeable electric accumulators
09/14/1993US5245671 Apparatus for inspecting printed circuit boards and the like, and method of operating same
09/14/1993US5245577 Integrated circuit two-cycle test mode activation circuit
09/14/1993US5245421 Apparatus for inspecting printed circuit boards with surface mounted components
09/14/1993US5245311 Logical comparison circuit for an IC tester
09/14/1993US5245305 Circuit breaker enclosure material identification
09/14/1993US5245289 Circuit breaker interrupter sequence monitor
09/14/1993US5245278 Device for the processing of a signal coming from a sensor with a derivative type of response
09/14/1993US5245276 Semiconductor device storage jig
09/14/1993US5244754 Battery charge indicator
09/13/1993CA2089332A1 Method of and apparatus for object or surface inspection employing multicolor reflection discrimination
09/09/1993DE4207172A1 Transposed conductor test method for stator coil of generator - automatically separating sub-conductors forming laminated stack, while maintaining reference point for measurement
09/08/1993EP0559313A1 Energy resolved emission microscopy system and method
09/08/1993EP0559287A1 Method for the automatic generation of test sequences
09/08/1993EP0559274A2 Probe apparatus and method for measuring high-frequency signals
09/08/1993EP0559209A2 System for control of boundary-scan test logic in a communication network
09/08/1993EP0558516A1 Spark-plug simulator.
09/08/1993EP0558513A1 Test circuit for detection of malfunctions in an electric triggering device.
09/08/1993CN2141901Y DC line leakage current testing arrangement
09/08/1993CN1022067C Automatic DC break down voltage tester for semiconductor element
09/08/1993CN1022066C Current Leakage inspecting device for use in cathode ray tube
09/07/1993US5243603 Method for online modification of compressed digital test vectors
09/07/1993US5243498 Multi-chip semiconductor module and method for making and testing
09/07/1993US5243382 Image forming apparatus capable of efficient maintenance work
09/07/1993US5243324 Method of detecting a fault in an automotive system