| 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) |
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| 01/30/1991 | CN1048926A Multifunctional active measuring device for locamotive signal |
| 01/29/1991 | US4989209 Method and apparatus for testing high pin count integrated circuits |
| 01/29/1991 | US4989175 High speed on-chip clock phase generating system |
| 01/29/1991 | US4989146 Automotive trouble diagnosing system |
| 01/29/1991 | US4988949 Apparatus for detecting excessive chafing of a cable arrangement against an electrically grounded structure |
| 01/29/1991 | CA1279704C Apparatus and method for automatic lead fail detection in electrocardiography |
| 01/29/1991 | CA1279697C Tester for terminal post resistance for an energy storage element connected in an electrical circuit |
| 01/28/1991 | CA2016003A1 Apparatus and method for testing printed circuit boards |
| 01/24/1991 | DE3923961A1 Manipulator esp. for use with conventional microscope - has two thrust unit arrangement with small dimensions perpendicular to thrust unit directions of motion |
| 01/23/1991 | EP0409398A2 Test cell for non-contact testing of electrical circuits for open/short circuiting |
| 01/23/1991 | EP0408970A2 Circuit for input and output of test signals for testing a circuit with analog and digital circuits |
| 01/23/1991 | EP0408867A2 Device for testing electrical loads of a car which are connected with a direct current source |
| 01/23/1991 | EP0408863A2 Tab mounted chip burn-in structure |
| 01/23/1991 | EP0408813A1 Partial discharge detection method and apparatus |
| 01/23/1991 | CN2070006U Electronic tester of regulator |
| 01/23/1991 | CN2070004U Portable tester |
| 01/22/1991 | US4987366 Oscillator damped test and evaluation circuit for a proximity switch |
| 01/22/1991 | US4987365 Method and apparatus for testing integrated circuits |
| 01/22/1991 | US4987316 Passenger restraint firing circuit |
| 01/22/1991 | US4986778 Carrier for use in testing circuit boards |
| 01/22/1991 | US4986760 Socket for tab burn-in and test |
| 01/17/1991 | DE3922900A1 Monitoring of electromagnetic actuator - using circuit coupled to microprocessor to provide input that can be compared with reference to identify fault |
| 01/17/1991 | DE3922548A1 Arrangement for testing cables, esp. looms, with plug connectors - with coupling element with clamping device contg. elastically-deformable elements |
| 01/17/1991 | DE3922479A1 Parameter adjusting in voltage model actual values - determining amount of magnetising and torque generating components for rated operation |
| 01/16/1991 | EP0408425A1 Component net test appliance especially for an electronic circuit |
| 01/16/1991 | EP0408353A2 Semiconductor integrated circuit |
| 01/16/1991 | EP0408299A2 Semiconductor integrated circuit device and test method therefor |
| 01/16/1991 | EP0408094A2 General purpose avionics display monitor |
| 01/16/1991 | EP0408018A2 A method and apparatus for performing automatic test pattern generation |
| 01/16/1991 | EP0407835A2 Atomic force microscope |
| 01/16/1991 | EP0407787A1 Test device for printed circuit cards and its application for testing printed circuit boards, forming a multiplexer-demultiplexer arrangement for numerical signals |
| 01/16/1991 | EP0407522A1 State-of-charge indications |
| 01/16/1991 | CN2069569U Numeral speedy wire checking instrumest |
| 01/16/1991 | CN2069568U Special-purpose test pencil for car |
| 01/15/1991 | US4985917 Personal artificial loop (p.a.l.) |
| 01/15/1991 | US4985843 Digital locator |
| 01/15/1991 | US4985681 Particle beam measuring method for non-contact testing of interconnect networks |
| 01/15/1991 | US4985676 Method and apparatus of performing probing test for electrically and sequentially testing semiconductor device patterns |
| 01/15/1991 | US4985675 Multi-layer tolerance checker |
| 01/15/1991 | US4985674 Real time, hostile environment, memory tester interface |
| 01/15/1991 | US4985673 Method and system for inspecting plural semiconductor devices |
| 01/15/1991 | US4985672 Test equipment for a low current IC |
| 01/15/1991 | US4985628 Inspection apparatus incorporating digital electron detection |
| 01/15/1991 | CA1279108C Look ahead terminal counter |
| 01/15/1991 | CA1279107C Multi-mode counter network |
| 01/10/1991 | WO1991000527A2 Method and apparatus for locating faults in electronic units |
| 01/10/1991 | WO1991000526A1 Cable fault tracing systems |
| 01/10/1991 | DE3921628A1 Assembler and disassembler process for microprocessors - has modules for conversion of inputs into code for use by processor |
| 01/10/1991 | DE3921594A1 Pulse echo measurement appts. with automatic threshold matching - measures time between sent and received pulse to register fault type in two=wire and coaxial leads |
| 01/10/1991 | DE3920629A1 Ascertaining capacity and charge of nickel-cadmium accumulator - using charging and discharging circuits, voltage measurer, control and input and display units |
| 01/09/1991 | EP0407186A2 Work station monitor |
| 01/09/1991 | EP0407131A2 Contact |
| 01/09/1991 | EP0407127A2 Mode programmable VLSI data registers |
| 01/09/1991 | EP0407036A2 Connection test system |
| 01/09/1991 | EP0407029A2 Method for a below a minute burn-in |
| 01/09/1991 | EP0406919A2 Arrangement for electronically testing printed circuits with extremely fine contact-point screen |
| 01/09/1991 | EP0406809A2 Method and apparatus for determining the loop impedance at the operation |
| 01/09/1991 | EP0406312A1 Electronic battery testing device |
| 01/09/1991 | CN2069121U Arrangments for testing pull switches |
| 01/09/1991 | CN2069119U Multi-purpose determination apparatus in electron and electric appliance |
| 01/08/1991 | US4984250 DC termination circuit for subscriber cables |
| 01/08/1991 | US4984185 Portable computer having a battery voltage detecting circuit |
| 01/08/1991 | US4983924 Trigger circuit |
| 01/08/1991 | US4983911 Voltage imaging system using electro-optics |
| 01/08/1991 | US4983908 Probing card for wafer testing and method of manufacturing the same |
| 01/08/1991 | US4983830 Focused ion beam apparatus having charged particle energy filter |
| 01/08/1991 | US4983827 Linescan apparatus for detecting salient pattern of a product |
| 01/08/1991 | CA1278880C Apparatus for measuring characteristics of electronic devices |
| 01/05/1991 | CA2020152A1 Contact |
| 01/03/1991 | CA2017854A1 Automated fault insertion in electronic circuit board |
| 01/02/1991 | EP0405802A2 Electrooptic apparatus for the measurement of ultrashort electrical signals |
| 01/02/1991 | EP0405737A2 Method and apparatus for non-contact opens/shorts testing of electrical circuits |
| 01/02/1991 | EP0405726A2 Context switching system |
| 01/02/1991 | EP0405672A1 Method of measuring a voltage distribution across a conductor pattern |
| 01/02/1991 | EP0405586A1 Semiconductor device and method of burning in the same |
| 01/02/1991 | EP0404995A1 Integrated-circuit array |
| 01/02/1991 | EP0404970A1 Method and system for contactless testing of electronic activity in an integrated circuit chip-to-test after passivation thereof |
| 01/02/1991 | EP0211087B1 Test pattern generator |
| 01/02/1991 | CN1048265A Apparatus for impact testing for electric generator stator wedge tightness |
| 01/02/1991 | CN1011085B Circuit arrangement for testing integrated circuit components |
| 01/02/1991 | CN1011084B Testing-measuring system and method for variant electronic device |
| 01/02/1991 | CN1011083B Apparatus for detecting position of internal fault of gas insulated bus |
| 01/02/1991 | CN1011081B Method for measuring arc-breaking parameter of welding ac arc and its equipment |
| 01/02/1991 | CA1278609C Multi-channel modulated numerical frequency synthesizer |
| 01/01/1991 | US4982403 Electrical circuit testing device and circuit comprising the said device |
| 01/01/1991 | US4982361 Multiple loop parallel pipelined logic simulation system |
| 01/01/1991 | US4982163 Method and a device for the determination of the condition of the insulation of an object coated with an electric insulation |
| 01/01/1991 | US4982153 Method and apparatus for cooling an integrated circuit chip during testing |
| 01/01/1991 | US4982152 Voltage detecting device |
| 01/01/1991 | US4981817 Tab method for implementing dynamic chip burn-in |
| 01/01/1991 | US4981764 Method of providing a indication signal to indicate a level of electrolyte in a wet cell |
| 12/31/1990 | WO1991000523A1 Portable low power computer |
| 12/27/1990 | WO1990015999A1 Test pattern generator |
| 12/27/1990 | WO1990015998A1 Object detection and analysis with transmission lines |
| 12/27/1990 | EP0404482A2 Simulation of selected logic circuit designs |
| 12/27/1990 | EP0404444A1 Apparatus and method for performing spike analysis in a logic simulator |
| 12/27/1990 | EP0404143A1 Load monitoring circuit with alternating current working in railway systems |
| 12/27/1990 | EP0403835A2 Apparatus for impact testing for electric generator stator wedge tightness |
| 12/27/1990 | EP0403821A2 Semiconductor integrated circuit device incorporating a test circuit |
| 12/27/1990 | EP0403547A1 Method of and apparatus for testing multi-wire cable |