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)
01/1993
01/27/1993EP0524837A1 System for inspecting electrically conductive pattern
01/27/1993EP0524377A1 Accumulator battery with control device in an intercell connector
01/26/1993US5182717 Device for testing a network of components, in particular an electronic circuit
01/26/1993US5182518 Inverter and battery testing for uninterruptible power systems
01/26/1993US5182421 Printed wiring board with test pattern for through holes
01/26/1993CA1313223C Electro-optic measurements of voltage waveforms on electrical conductors
01/26/1993CA1313222C Identity insert for electronic modules
01/21/1993WO1993000862A2 Electrosurgical apparatus for laparoscopic and like procedures
01/21/1993DE4223658A1 Test appts. for semiconductor chips with relatively many connectors - uses tape automated bonding band with adhesive surface for connecting lines to test card and dendritically grown metal test points
01/21/1993DE4223454A1 Digital signal processor with direct memory access controller - performs different transfers of data according to relationship of input-output period to task processing time
01/21/1993DE4223127A1 Test state switching on circuit for memory testing - has level detector, Schmitt trigger, flip=flop and latch, and switches output between reference and operating voltage
01/21/1993DE4123676A1 Partial discharge HV cable defect locator - has digital storage oscilloscope and computer with HV AC supply and coupling sections
01/20/1993EP0524015A2 Socket
01/20/1993EP0523973A2 A configurable self-test for embedded RAMs
01/20/1993EP0523953A1 Digital testing techniques for very high frequency phase-locked loops
01/20/1993EP0523901A1 Battery with integral condition tester
01/20/1993EP0523817A2 Improved programmable logic device
01/20/1993EP0523736A1 Burn-in apparatus and method
01/20/1993EP0523735A1 Burn-in apparatus and method
01/20/1993EP0523734A1 Burn-in apparatus and method
01/20/1993EP0523729A1 Burn-in apparatus and method
01/20/1993EP0523594A1 Method for testing substrater for liquid crystal displays (LCD) using a corpuscular beam
01/20/1993EP0523526A2 Monitoring device for accumulators
01/20/1993EP0523173A1 Apparatus and method for calorimetrically determining battery charge state
01/20/1993CA2073916A1 Burn-in apparatus and method
01/20/1993CA2073899A1 Burn-in apparatus and method
01/20/1993CA2073896A1 Burn-in apparatus and method
01/20/1993CA2073886A1 Burn-in apparatus and method
01/20/1993CA2047111A1 Circuit tester
01/19/1993US5181203 Testable power-on-reset circuit
01/19/1993US5181191 Built-in test circuitry providing simple and accurate AC test of digital microcircuits with low bandwidth test equipment and probe stations
01/19/1993US5180983 Ignition plug for an internal combustion engine provided with an ionization current detector electrode
01/19/1993US5180977 Membrane probe contact bump compliancy system
01/19/1993US5180976 Integrated circuit carrier having built-in circuit verification
01/19/1993US5180975 Positioning device and IC conveyor utilizing the same
01/19/1993US5180974 Semiconductor testing and shipping system
01/14/1993DE4122635A1 Einrichtung zur defekterkennung bei sensoren Means for defect detection in sensors
01/14/1993DE4122183A1 Triac testing device for water heater - uses voltage supply, changeover device and indicator LEDs to direct triacs which are not blocking
01/14/1993DE4121710A1 Error locating appts. detecting circuit board connections requiring correction - has soldering iron with reflective probe and having heat detected by IR camera monitoring location
01/13/1993EP0522907A1 Control of a heated window
01/13/1993EP0522614A1 Method of determining an electrical spectrum
01/13/1993EP0522572A1 Method and device for measuring a semiconductor element with bumps, and method and device for manufacturing a semiconductor device
01/13/1993EP0522460A2 Semiconductor device testing apparatus
01/13/1993EP0522413A2 A high impedance technique for testing interconnections in digital systems
01/13/1993EP0521990A1 Measurement device and method for sorting used batteries and accumulators.
01/13/1993CA2073119A1 Method and device for measuring a semiconductor element with bumps, and method and device for manufacturing a semiconductor device
01/12/1993US5179537 Semiconductor memory device having monitoring function
01/12/1993US5179433 Breakdown evaluating test element
01/12/1993US5179349 Start coincidence circuit of asynchronous signals
01/12/1993US5179345 Method and apparatus for analog testing
01/12/1993US5179343 Apparatus for checking the connection between male and female connector housings by forming a detecting circuit when the connection is proper
01/12/1993US5179342 Superconductor quench measuring device which evaluates reflected pulses
01/12/1993US5179340 Apparatus for monitoring the state of charge of a battery
01/12/1993US5179339 Holiday light bulb tester with light bulb socket insertable probes
01/12/1993US5179333 Apparatus for measuring the electrical characteristics of a semiconductor wafer
01/12/1993US5179279 Non-contact electrical pathway
01/12/1993US5178465 Optical fiber laying structure for electric power cable line trouble occurrence location detecting system
01/12/1993CA1312651C Method and apparatus for identifying a faulted phase
01/10/1993CA2073289A1 Electrical power distribution device with isolation monitoring
01/10/1993CA2073078A1 Semiconductor device testing apparatus
01/07/1993WO1993000746A1 Programmable input/output buffer circuit with test capability
01/07/1993WO1993000592A1 Inspection of a dynamo-electric machine in a gap between stator and rotor
01/07/1993EP0521805A1 Defect indicator for arrester
01/07/1993EP0521234A2 Computerized remote resistance measurement system with fault detection
01/07/1993DE4221075A1 Test appts. using continuous movement device for probing PCB - determines electrical characteristics of node located on surface of substrate e.g. printed circuit board
01/07/1993DE4122371A1 Microprocessor-controlled electronic measurement appts. - involves operating, control and measurement programme stored in internal memory, flash memory erasure and programme logic
01/06/1993CN1067773A Circuit for sensing back-bias level in semiconductor memory device
01/06/1993CN1067745A Multifunctional integrated circuit tester
01/05/1993US5177745 Memory device with a test mode
01/05/1993US5177630 Method and apparatus for generating and transferring high speed data for high speed testing applications
01/05/1993US5177621 Self-diagnostic system for image reading equipment
01/05/1993US5177555 Method and apparatus for testing electrical connectors
01/05/1993US5177483 Multilevel configurable logic analyzer
01/05/1993US5177469 Safety device for an IC handler and method for its operation
01/05/1993US5177447 Automated breakout box for automotive testing
01/05/1993US5177440 Testing of integrated circuits using clock bursts
01/05/1993US5177437 High-density optically-addressable circuit board probe panel and method for use
01/05/1993US5177435 IC test equipment
01/05/1993US5177434 IC test equipment having a horizontally movable chuck carrier
01/05/1993US5177419 Apparatus for controlling a load lifting element of a vehicle in response to the wearing of a motor brush
01/05/1993US5177371 Auxiliary battery operation detection circuit
01/05/1993US5177351 Method and apparatus for determining the minority carrier diffusion length from linear constant photon flux photovoltage measurements
01/05/1993US5176524 IC socket structure
12/1992
12/30/1992EP0520841A1 Composite flip chip semi-conductor device and method for making and burning-in the same
12/30/1992EP0520356A1 Semiconductor integrated circuit equipped with diagnostic circuit
12/30/1992EP0520193A1 Method for measuring partial discharges
12/30/1992EP0507782A4 Electric arc and radio frequency spectrum detection
12/30/1992CN2126428U Cable fault detecting instrument
12/29/1992US5175580 Camera with image stabilizing device
12/29/1992US5175531 Battery condition monitoring system for batteries connected in parallel
12/29/1992US5175496 Dual contact beam assembly for an IC test fixture
12/29/1992US5175495 Detection of semiconductor failures by photoemission and electron beam testing
12/29/1992US5175494 Test simplifying circuit contained in digital integrated circuit
12/29/1992US5175447 Multifunctional scan flip-flop
12/29/1992US5174160 Method of diagnosing electric wires and cables for deterioration of their polymer-insulation and a measuring apparatus used therefor
12/25/1992CA2072183A1 Process for measuring partial discharges
12/24/1992DE4220145A1 Durch manuell betaetigbare tasten gesteuertes system By manually operable key controlled system
12/24/1992DE4135148A1 Schaltkreis zum feststellen des rueckwaertigen vorspannungspegels in einer halbleiterspeichervorrichtung Circuit to determine the rearward bias level in a semiconductor memory device
12/24/1992DE4121003A1 Testing condition of trolley wire lines of electrical tracks - standardising measured max. line current and voltage to simultaneously measured charged-up capacitor voltage differentiation between short-circuit and normal condition of line
12/23/1992WO1992022822A1 Method and apparatus for charging and testing batteries