| 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) |
|---|
| 04/16/1980 | EP0009735A1 Apparatus for detecting opposite phase and open phase |
| 04/16/1980 | EP0009572A2 Method and device for testing sequential circuits realized by monolithic integrated semiconductor circuits |
| 04/15/1980 | US4198598 Swept frequency circuit for precision gain or loss measurements |
| 04/15/1980 | CA1075770A1 Method of propagation delay testing a level sensitive embedded array logic system |
| 04/08/1980 | CA1075314A1 Method and apparatus for detecting faults in buried insulated conductors |
| 04/08/1980 | CA1075304A1 Vacuum tube gas test apparatus |
| 04/03/1980 | WO1980000614A1 Circuit integrity tester |
| 04/02/1980 | EP0009230A1 Circuit for producing a test tension |
| 04/02/1980 | EP0009099A2 Device for determining the length of a shift register |
| 04/01/1980 | US4196428 Device for monitoring operational readiness of a gas-measuring instrument |
| 04/01/1980 | US4196389 Test site for a charged coupled device (CCD) array |
| 04/01/1980 | US4196386 Method and portable apparatus for testing digital printed circuit boards |
| 04/01/1980 | US4196384 Probe assembly for monitoring liquids |
| 04/01/1980 | US4195769 Method and apparatus for fault-testing of electrical system monitor communication circuits |
| 03/25/1980 | US4195258 Logic analyzer for integrated circuits, microcomputers, and the like |
| 03/25/1980 | US4195257 Testing apparatus for a circuit assembly |
| 03/25/1980 | US4194351 Electronic timepiece |
| 03/20/1980 | WO1980000522A1 Method for producing a semi-conductor element |
| 03/20/1980 | WO1980000496A1 Noncontacting measurement of hall effect in a wafer |
| 03/19/1980 | EP0008954A1 Computerized test system for testing an electrical harness and a method of testing an electrical harness |
| 03/19/1980 | EP0008721A1 Noncontacting measurement of Hall effect in a semiconductor wafer |
| 03/18/1980 | US4194178 Electric motor with internal wireless load monitor |
| 03/18/1980 | US4194146 Device for controlling the charging and discharging of a storage battery |
| 03/18/1980 | US4194129 Armature slip analysis of induction motors with temperature and voltage correction |
| 03/18/1980 | US4194113 Method and apparatus for isolating faults in a logic circuit |
| 03/11/1980 | US4193026 Method and apparatus for measuring the state of charge of a battery by monitoring reductions in voltage |
| 03/11/1980 | US4193025 Automatic battery analyzer |
| 03/11/1980 | US4192451 Digital diagnostic system employing signature analysis |
| 03/11/1980 | US4192174 Transformer protective device |
| 03/11/1980 | CA1073552A1 Constant modulation index technique for measuring the derivatives of device parameters |
| 03/06/1980 | WO1980000375A1 Hybrid signature test method and apparatus |
| 03/05/1980 | EP0008380A1 Electronic circuit assembly for testing module interconnections |
| 03/04/1980 | US4191996 Self-configurable computer and memory system |
| 03/04/1980 | US4191921 Corona discharge detection apparatus which eliminates periodic noise |
| 03/04/1980 | US4191920 Instrument for detecting contamination on metallic surfaces by measuring surface potential differences |
| 02/26/1980 | US4190799 Noncontacting measurement of hall effect in a wafer |
| 02/26/1980 | US4189825 Integrated test and assembly device |
| 02/26/1980 | CA1072637A1 Source related potential indicating continuity tester |
| 02/26/1980 | CA1072630A1 Battery charge detector and charging system including such detector |
| 02/20/1980 | EP0008007A1 Method and apparatus for testing ceramic devices |
| 02/20/1980 | EP0008002A1 Electronic circuit package and method of testing such package |
| 02/19/1980 | US4189778 Method and instrumentation for the measurement of parameters of system devices |
| 02/19/1980 | US4189725 Battery powered condition sensing and display apparatus with low battery indication |
| 02/19/1980 | US4189635 Self-test circuit apparatus |
| 02/12/1980 | US4188574 AC Detector for DC ground faults and high capacitance in high-voltage DC power supplies |
| 02/12/1980 | US4188123 Optically measuring the carrier concentration in a semiconductor |
| 02/06/1980 | EP0007867A1 Improvements relating to devices for detecting the rupture of an element in an electric circuit |
| 02/05/1980 | US4187525 Ground fault protective apparatus of field windings |
| 02/05/1980 | US4187504 Fault monitoring and indicator system |
| 02/05/1980 | US4187461 Dynamic threshold impulse directivity indicator |
| 01/29/1980 | US4186391 Apparatus for detecting diode failures in multiple diode rectifier bridges |
| 01/29/1980 | US4186339 Method and apparatus for measuring current, especially useful in multi-ampere systems |
| 01/29/1980 | US4186338 Phase change detection method of and apparatus for current-tracing the location of faults on printed circuit boards and similar systems |
| 01/29/1980 | US4186299 Reproduction machine with different operating programs |
| 01/23/1980 | EP0007004A1 Test circuit for a charge coupled device (CCD) register |
| 01/22/1980 | US4185298 Process and apparatus for the automatic inspection of patterns |
| 01/22/1980 | US4185177 Latch operated tap changing switch for transformer regulating system |
| 01/22/1980 | CA1070383A1 Method and apparatus for controlling a battery bank |
| 01/15/1980 | US4184113 Method of counting electrical load current pulsations |
| 01/15/1980 | US4184112 Capacitor testing apparatus |
| 01/15/1980 | US4184111 Driver for solar cell I-V characteristic plots |
| 01/15/1980 | US4183460 In-situ test and diagnostic circuitry and method for CML chips |
| 01/15/1980 | US4183259 Wheel structure adapted to spin at high angular velocities and method of manufacturing the same |
| 01/15/1980 | CA1069978A1 Rf leak detector |
| 01/09/1980 | EP0006602A1 Method and circuit for testing current or voltage fault protective switches |
| 01/09/1980 | EP0006494A1 Method and apparatus for the contactless checking of the insulation of moving insulated cables |
| 01/08/1980 | US4183091 Wiring device |
| 01/08/1980 | US4182300 Trouble warning device for an air-fuel ratio sensor |
| 01/01/1980 | US4181885 Electrical cell charge energy measuring method and apparatus |
| 01/01/1980 | CA1069221A Anodic etching method for the detection of electrically active defects in silicon |
| 12/25/1979 | US4180772 Large-scale integrated circuit with integral bi-directional test circuit |
| 12/25/1979 | US4180770 Method and apparatus for determining the capacity of lead acid storage batteries |
| 12/25/1979 | US4180439 Anodic etching method for the detection of electrically active defects in silicon |
| 12/25/1979 | US4180302 Connector plug for vehicle electrical tester |
| 12/25/1979 | US4180203 Programmable test point selector circuit |
| 12/25/1979 | US4180161 Carrier structure integral with an electronic package and method of construction |
| 12/25/1979 | CA1068829A Integrated test and assembly device |
| 12/18/1979 | US4179744 Method and apparatus for analyzing performance of electric-traction-motor powered vehicles and electrical operating components thereof |
| 12/18/1979 | US4179652 Analyzing electrical circuit boards |
| 12/12/1979 | EP0006005A1 Apparatus and method for locating faults in electric cables |
| 12/12/1979 | EP0005762A1 Method to apply a tension with an electron beam |
| 12/12/1979 | EP0005727A1 Sensing probe for determining location of conductive spots |
| 12/11/1979 | US4178546 Alternator test apparatus and method |
| 12/11/1979 | US4178545 Electrical resistor testing fixture |
| 12/11/1979 | US4178544 Electrical measurement circuitry for low level AC signals |
| 12/11/1979 | US4178543 Analyzing electrical circuit boards |
| 12/11/1979 | US4178542 Monitoring the operation status of an electrical component on the basis of an inherent pull up or pull down characteristic |
| 12/04/1979 | US4177420 Major and minor short leakage detector |
| 12/04/1979 | US4177419 Test apparatus for checking the response of protective relays |
| 12/04/1979 | US4177097 Method and apparatus for controlling the filling of a cable |
| 12/04/1979 | US4176780 Method and apparatus for testing printed circuit boards |
| 12/04/1979 | CA1067554A1 Voltage generators |
| 11/27/1979 | US4176315 Miniature electrical voltage and continuity tester with circuit compartment and test lead compartment casing |
| 11/27/1979 | US4176314 Double integration method for measuring deviation of standard and reference analog quantities |
| 11/27/1979 | US4176313 Analyzing electrical circuit boards |
| 11/27/1979 | US4176312 Electrical circuitry for measuring low level signals |
| 11/27/1979 | US4175441 Gauge for measuring distance to planar surfaces and thicknesses of planar members |
| 11/27/1979 | CA1067151A1 Battery condition monitoring method and apparatus |
| 11/20/1979 | US4175253 Analyzing electrical circuit boards |
| 11/20/1979 | US4174805 Method and apparatus for transmitting data to a predefined destination bus |