Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › 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
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)
11/1985
11/12/1985US4552992 Analog signal verification circuit
11/06/1985EP0160441A1 Apparatus and method for detecting and locating information about an event
11/06/1985EP0160440A1 Apparatus for detecting and obtaining imformation about changes in variables
11/06/1985EP0160209A1 Measurement of electrical signals with subpicosecond resolution
11/05/1985USRE32024 Mercury probe
11/05/1985US4551838 Logic circuit
11/05/1985US4551837 High speed operational recurring signature evaluator for digital equipment tester
11/05/1985US4551811 Ground detection arrangement for an A.C. generator
11/05/1985US4551675 Apparatus for testing printed circuit boards
11/05/1985US4551674 Noncontacting conductivity type determination and surface state spectroscopy of semiconductor materials
11/05/1985US4551673 Testing arrangement for printed circuit boards
11/05/1985US4551671 Terminal disconnect and media wire fault detect mechanism
11/05/1985US4551668 Voltage sensing at loads remotely connected to power supplies
11/05/1985US4551625 Spectrometer objective for particle beam measurement technique
11/05/1985CA1196416A1 Video test method and apparatus with incremental scan rate capability
11/05/1985CA1196379A1 State of charge indicator
10/1985
10/30/1985EP0159907A2 Testing apparatus
10/30/1985EP0159588A2 Logic analyzer
10/29/1985US4550406 Automatic test program list generation using programmed digital computer
10/29/1985US4550405 Deskew circuit for automatic test equipment
10/29/1985US4550387 Circuit for detecting the occurrence of a plurality of signals in a predetermined sequence
10/29/1985US4550289 Semiconductor integrated circuit device
10/29/1985US4550287 Data bus test instrument having a tri-colored LED and indicating continuity, voltage and polarity
10/29/1985US4550223 Test device, and method for locating faults in a two-lead line
10/29/1985US4549817 Thermal monitoring apparatus for transformers or chokes
10/29/1985CA1196080A1 Method for screening laser diodes
10/24/1985WO1985004726A1 Tracing electrical conductors by high-frequency constant-energy pulse loading
10/23/1985EP0158801A2 Combination rotary gas bearing and seal apparatus
10/23/1985EP0036023B1 A method of estimating the insulation life of an electrical appliance incorporating a resin insulator
10/22/1985US4549132 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current
10/16/1985EP0158432A1 Chip carrier test adapter
10/16/1985EP0158208A1 Surveillance circuit arrangement for a superconducting magnet winding
10/16/1985EP0074392B1 Power supply diagnostic system
10/15/1985US4547861 Combined logic signals generator
10/15/1985US4547770 Battery voltage checking apparatus
10/15/1985US4547769 Vacuum monitor device and method for vacuum interrupter
10/15/1985US4547740 Monitoring device for integrated drive amplifiers
10/15/1985US4547731 High frequency current inducing apparatus
10/15/1985US4547723 Simple flyback checker
10/15/1985US4547722 Test panel for tractor and trailer lights
10/15/1985CA1195386A1 Testing device
10/10/1985WO1985004488A1 Improvement to automatic control benches for groups of conductors
10/10/1985WO1985004351A1 Automated keyboard testing
10/10/1985CN85200049U Eight-bit dynamic vacuum test board for testing vidicon target
10/09/1985EP0157722A2 Refrigeration unit controls
10/09/1985EP0157117A1 Testing device for an intrusion-signalling apparatus
10/09/1985EP0157084A1 Test method for a microcomputer controlled electronic apparatus
10/09/1985EP0157036A2 Serial chip scan
10/09/1985EP0157028A1 Programmable tester
10/08/1985US4546473 Random pattern self test design
10/08/1985US4546472 Method and means for testing integrated circuits
10/08/1985US4546404 Storage unit for an integrated circuit tester
10/08/1985US4546310 Electrical continuimeter
10/08/1985US4546309 Apparatus and method for locating ground faults
10/02/1985EP0156753A1 Noise analyzer for digital signal transmisson cables
10/02/1985EP0156656A1 Charge-indicating device for a motor vehicle battery
10/02/1985EP0156006A1 Process for automatically adjusting the operating point of corpuscular radiation-measuring apparatuses during signal structure measurement
10/02/1985EP0156005A1 Process for automatically adjusting the voltage-resolution of a corpuscular radiation-measuring apparatus, and device therefor
10/01/1985US4544893 Battery voltage detector
10/01/1985US4544888 Miniature circuit processing devices and matrix test heads for use therein
10/01/1985US4544887 Method of measuring photo-induced voltage at the surface of semiconductor materials
10/01/1985US4544882 Apparatus for testing an integrated circuit chip without concern as to which of the chip's terminals are inputs or outputs
10/01/1985US4544881 Device for testing the insulation of printed circuits
10/01/1985US4544879 Stimulus/measuring unit for DC characteristics measuring
10/01/1985CA1194610A1 Room temperature cryogenic test interface
10/01/1985CA1194550A1 Circuit for detecting signal generation sequence
10/01/1985CA1194549A1 Method and device for finding faults on electric lines by the principle of low impedance
09/1985
09/25/1985EP0155744A2 Optical absorption spectroscopy for semiconductors
09/25/1985EP0155367A1 Short-circuit distance relay
09/24/1985US4543576 System for measuring electrical resistance and temperature during manufacture of thin, conductive films deposited on substrates by means of evaporation or sputter deposition
09/24/1985US4543523 Test terminal for use in an electric power transmission system
09/24/1985US4543521 Charge control microcomputer device for vehicle
09/24/1985US4543448 Electrical cord set having a magnetically identifiable conductor, and a method of automatically manufacturing such a cord set
09/24/1985CA1194239A1 Device for controlling the insulation of printed circuits
09/24/1985CA1194114A1 Apparatus for electrically testing multicore cables
09/24/1985CA1194112A1 High sensitivity brush arcing monitor for a dynamoelectric machine
09/18/1985EP0155225A2 Method and devices for the analysis of photosensitive materials by means of microwaves
09/17/1985US4542509 Fault testing a clock distribution network
09/17/1985US4542505 Adjustable system for skew comparison of digital signals
09/17/1985US4542468 Ground detection arrangement for an A.C. generator
09/17/1985US4542374 Switching circuit for supervising the degree of wear of commutator-contacting carbon brushes
09/17/1985US4542341 Electronic burn-in system
09/17/1985US4542335 Electronic control circuit systems analyzer
09/17/1985US4542333 Method and apparatus utilizing magnetic field sensing for detecting discontinuities in a conductor member associated with a glass sheet
09/17/1985US4541676 Chip carrier test adapter
09/17/1985US4541386 Abnormality detecting apparatus for means for sensing operating parameters of an internal combustion engine
09/17/1985US4541311 Fuse puller
09/17/1985CA1193661A1 Apparatus for and a method of testing detonating systems
09/11/1985EP0154048A2 Circuit for generating test signals for in-circuit digital testing
09/11/1985EP0154033A1 Test method for direct current sources like accumulators, batteries and test device
09/10/1985US4541100 Apparatus including a programmable set-up and hold feature
09/10/1985US4541031 For locating, isolating and bypassing a defective electrical device
09/10/1985US4540935 Apparatus for identifying defective electric power distribution capacitors
09/10/1985US4540922 Motor winding leakage monitor
09/10/1985US4540885 Spectrometer objective having parallel objective fields and spectrometer fields for the potential measuring technique
09/10/1985CA1193348A1 Automatic departure test unit for cab signal equipment
09/10/1985CA1193323A1 Cable checker utilizing logic circuitry
09/10/1985CA1193322A1 Ground conductor monitoring system
09/10/1985CA1193321A1 Test instrument with flexibly connected head
09/03/1985US4539683 Method for checking test specimens
1 ... 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 ... 1523