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)
05/1987
05/19/1987US4667176 Failure-monitor system for an automotive digital control system
05/19/1987US4667154 Electrical contact assembly
05/19/1987US4667148 Generator air-gap flux probe for detecting shorted rotor turns
05/14/1987DE3627245A1 Method and device for resistance measurement on stranded bare conductors
05/14/1987DE3539973A1 Separating and contacting device
05/14/1987DE3539822A1 Device for testing electrical components
05/14/1987DE3539421A1 Protective circuit arrangement against overvoltages
05/13/1987EP0221509A2 Apparatus providing improved diagnosability
05/13/1987EP0221433A1 Immediately testable superconductor joint
05/13/1987EP0221383A1 Test apparatus
05/13/1987EP0221172A1 A coplanar waveguide probe
05/12/1987US4665370 Method and apparatus for monitoring and indicating the condition of a battery and the related circuitry
05/12/1987US4665360 In a wafer prober
05/12/1987US4665313 Apparatus and method for displaying hole-electron pair distributions induced by electron bombardment
05/12/1987US4664870 Testable voted logic power interface
05/07/1987WO1987002784A1 System for testing and repairing printed circuit boards
05/07/1987DE3538679A1 Device for automatic fitting checking of printed circuit boards
05/06/1987EP0220280A1 Portable tester and related method for determining the primary winding to secondary winding current ratio of an in-service current transformer
05/06/1987EP0220233A1 Target keys for wafer probe alignment.
05/06/1987CN85107886A Screening method of mosfet by gate-voltage and temp.
05/05/1987US4663585 Apparatus for testing dielectric strength of materials
05/05/1987US4663526 Nondestructive readout of a latent electrostatic image formed on an insulating material
05/05/1987CA1221470A1 Adaptor for changing the pitch of a contact array used with a printed circuit board testing apparatus
05/05/1987CA1221417A1 High speed pin electronics driver circuit for automatic test equipment
05/05/1987CA1221414A1 Performance monitor test device for an electrochemical powerplant
04/1987
04/28/1987US4661930 High speed testing of integrated circuit
04/28/1987US4661921 Adapter for simultaneous use of logic analyzer and in circuit emulator
04/28/1987US4661807 Electric fuse holder having an integral current sensor
04/28/1987US4661772 Measuring and testing circuit
04/28/1987US4661771 Method of screening resin-sealed semiconductor devices
04/28/1987US4661770 Method and apparatus for measuring minority carrier lifetime in a direct band-gap semiconductor
04/28/1987US4661759 Nickel-oxygen monitor cell system
04/28/1987US4661717 Load condition determining apparatus
04/22/1987EP0219266A1 Method for evaluating the breakdown time of an insulating film
04/22/1987EP0219139A1 Machine for the automatic testing of electric motor rotors
04/22/1987EP0218852A1 Integrated circuit having NC pins, and method for its operation
04/22/1987EP0218820A1 High-voltage power switch test circuit
04/22/1987EP0218794A1 Test circuit for differential cascode voltage switch
04/22/1987EP0218791A1 Weighted random pattern testing apparatus and method
04/22/1987CN86201802U Microcomputerized plumbate acid accumulator parameter-testing instrument
04/22/1987CN86105632A 数据处理方法 Data processing method
04/21/1987US4660198 Data capture logic for VLSI chips
04/21/1987US4660197 Circuitry for synchronizing a multiple channel circuit tester
04/21/1987US4660126 Fire-preventive housing for line delay measuring apparatus
04/21/1987US4660027 Reduced power consumption low battery alert device
04/21/1987US4659994 Battery tester
04/21/1987US4659986 Electrical test connector for simultaneous testing of a plurality of electrical components
04/21/1987US4659983 Method and apparatus for detecting a shorted SCR
04/21/1987US4658509 Probe having low battery detection/transmission feature
04/21/1987CA1220840A1 Electronic control for a domestic appliance
04/16/1987DE3536181A1 Device for identifying the two ends of an electrical line
04/15/1987EP0218372A1 Thermal image generating device
04/15/1987EP0218334A1 Measuring method of a transistor
04/15/1987EP0218261A2 Test pattern generator
04/15/1987EP0218225A2 Transmission line mounted sensor module
04/15/1987EP0218224A2 Tool for mounting a sensor module on a live power transmission line
04/15/1987EP0218223A2 Hinge clamp for securing a sensor module on a power transmission line
04/15/1987EP0218222A2 Apparatus for data transmission from multiple sources on a single channel
04/15/1987EP0218221A2 Apparatus for measuring the potential of a transmission conductor
04/15/1987EP0218220A2 Apparatus for measuring and calculating fourier components of a power line parameter
04/15/1987EP0218058A1 Device for testing the electric function of wired arrays, especially on printed-circuit boards
04/15/1987EP0217947A1 Battery tester and method for making the tester
04/15/1987EP0217812A1 Injector driver fault detect and protection device
04/14/1987US4658400 WSI tester
04/14/1987US4658213 Method and apparatus for testing direct current motors and generators, electromagnetic devices, and the like
04/14/1987US4658212 Connector terminal examination device
04/14/1987US4658209 Universal test board, serial input (for synthesizer testing)
04/14/1987US4658137 Electron detector
04/14/1987US4657406 Timing generating device
04/14/1987CA1220559A1 Noncontact dynamic tester for integrated circuits
04/14/1987CA1220521A1 Method for diagnosing faults in electronic fuel control systems
04/09/1987WO1987002212A1 Wrist strap ground monitor
04/09/1987WO1987002143A1 Testing apparatus
04/09/1987DE3632169A1 Method for determining the erosion of the contact elements of a switching apparatus which is installed in an encapsulated switching installation
04/09/1987DE3534189A1 Measuring circuit arrangement for measuring very small changes in the active and/or reactive value of an object being measured, particularly of an electronic component
04/08/1987EP0217774A1 Method for fault-finding in electronic control systems in motor vehicles and device for carrying out said method
04/08/1987EP0217193A1 Device for supporting and testing electronic components mounted on flat supports
04/08/1987EP0216792A1 Voltage/current source
04/08/1987CN86201674U Electric leakage detector
04/07/1987US4656632 System for automatic testing of circuits and systems
04/07/1987US4656615 Hydrophone array polarity test circuit
04/07/1987US4656592 Very large scale integrated circuit subdivided into isochronous regions, method for the machine-aided design of such a circuit, and method for the machine-aided testing of such a circuit
04/07/1987US4656586 Automatic vehicle testing apparatus
04/07/1987US4656579 Digital data processing system having a uniquely organized memory system and means for storing and accessing information therein
04/07/1987US4656419 Simplified solar cell material tester
04/07/1987US4656417 Test circuit for differential cascode voltage switch
04/07/1987US4656416 Method and apparatus for locating short circuits
04/01/1987EP0216662A1 Device for controlling an accumulator battery
04/01/1987EP0216533A2 Computer-based instrument system
04/01/1987EP0216403A1 Variable capacitance diode tracking selection method and set of tracking-selected variable capacitance diodes
04/01/1987EP0216276A2 Semiconductor logic tester with fast-recovery power supply
04/01/1987EP0216135A1 Device for testing the electrical functioning of circuit wirings, especially on printed-circuit boards
04/01/1987EP0216077A1 Full chip integrated circuit tester
04/01/1987EP0216032A1 Probe having low battery detection/transmission feature
04/01/1987EP0216001A1 Method for testing the primary windings of inductive voltage transformers
04/01/1987EP0215979A1 Method of testing the insulation condition of an electric machine
03/1987
03/31/1987USRE32388 Apparatus for analyzing semiconductor memories
03/31/1987US4654862 Digital signal transmission cable noise analyzer
03/31/1987US4654850 Tri-state in-circuit logic comparator with automatic input/output terminal discrimination
03/31/1987US4654848 Multi-trigger logic analyzer