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)
01/1999
01/13/1999EP0890110A1 Process for testing the ground contact of parts of a networked system
01/13/1999EP0890109A1 Process for testing and ensuring the availability of a networked system
01/13/1999CN2304131Y Comprehensive detecting instrument for loaded tap-switch characteristics of electric transformer
01/13/1999CN1205083A Device and method for estimating remaining life of battery
01/13/1999CN1041677C Fault detecting circuit for voltage-type self-excitation power converter
01/12/1999US5859860 Low overhead input and output boundary scan cells
01/12/1999US5859657 Led printhead and driver chip for use therewith having boundary scan test architecture
01/12/1999US5859590 Fault sensor device
01/12/1999US5859540 Constant temperature chamber in a handler for semiconductor device testing apparatus
01/12/1999US5859539 For testing multiple semiconductor devices
01/12/1999US5859538 Method and apparatus for connecting a ball grid array device to a test instrument to facilitate the monitoring of individual signals or the interruption of individual signals or both
01/12/1999US5859521 Variable speed controller for an AC motor
01/12/1999US5859442 For an operations circuit
01/12/1999US5859409 Oven for testing peripheral storage devices
01/12/1999US5858570 Communication apparatus, electronic apparatus, and battery management method
01/12/1999US5857258 Electrical test structure and method for measuring the relative locations of conductive features on an insulating substrate
01/07/1999WO1999000882A1 Method and device for managing an electronic component with complementary mos transistors functioning under radiation
01/07/1999WO1999000721A1 Packed battery tester
01/07/1999WO1999000667A1 Instrument performance verification system
01/07/1999WO1999000004A2 Apparatus for monitoring temperature of a power source
01/07/1999WO1998045717A3 Remote home monitoring system
01/07/1999EP0889687A2 Misinsert sensing in pick and place tooling
01/07/1999EP0889593A1 Programmable logic module for field programmable gate array device
01/07/1999EP0889411A2 On-chip PLL phase and jitter self-test circuit
01/07/1999EP0889306A1 Device for projecting a defined light beam onto a photosensitive area
01/07/1999DE19730516A1 Leiterplattenprüfvorrichtung A circuit board
01/07/1999DE19723130A1 Leakage current display arrangement for electrical conductors in house
01/06/1999CN2303306Y Instrument for testing comprehensive parameters of transistor
01/06/1999CN2303305Y Portable electric faults locating arrangement for automobile, motor cycle
01/06/1999CN1204127A Test method of high speed memory devices in which limit conditions for clock signals are defined
01/06/1999CN1204125A Test method for high speed memory devices by using clock modulation technique
01/06/1999CN1204059A Measuring apparatus and method for measuring characteristic of solar cell
01/06/1999CN1204058A Test method of integrated circuit devices by using dual edge clock technique
01/06/1999CN1204057A System and method for automatically creating and transmitting test conditions of integrated circuit devices
01/06/1999CN1204056A Method for detecting operational errors of tester for semiconductor devices
01/06/1999CN1203884A Apparatus for removing and storing semiconductor device trays
01/05/1999US5856985 For generating expected value data to carry out logical comparison
01/05/1999US5856737 Fast battery charging system and method
01/05/1999CA2150171C Method and portable testing apparatus for safely testing an autotransformer for power distribution lines
01/05/1999CA2117166C Multicell battery monitoring system with single sensor wire
12/1998
12/30/1998WO1998059294A1 Jitter reduction module
12/30/1998WO1998059250A2 Electrical tester for small motor vehicles
12/30/1998WO1998045674A3 Probe tile and platform for large area wafer probing
12/30/1998EP0887883A2 Press-fit terminal
12/30/1998EP0887733A2 Model-based diagnostic system with automated procedures for next test selection
12/30/1998EP0887654A2 Method for detecting working condition of non-aqueous electrolyte secondary batteries
12/30/1998EP0887653A1 Functional test method and circuit containing means for implementing said method
12/30/1998EP0887652A2 Measuring apparatus and method for measuring characteristic of solar cell
12/30/1998EP0887651A2 Procedure and circuit arrangement for localising a short circuit or an open circuit in a bus system
12/30/1998EP0887650A1 Robust electrical utility meter
12/30/1998EP0887649A2 Procedure and circuit arrangement for testing for line faults in a two wire bus system
12/30/1998EP0887623A1 Sensor arrangement
12/30/1998EP0886894A2 Contact carriers (tiles) for populating larger substrates with spring contacts
12/30/1998EP0886785A1 Method for monitoring of tap changers by acoustic analysis
12/30/1998EP0886784A1 Integrated circuit comprising a first and a second clock domain and a method for testing such a circuit
12/30/1998EP0886783A1 Fault current recognition circuitry
12/30/1998EP0886782A1 Apparatus for measuring parameters of an electronic device
12/30/1998EP0636976B1 Microcontroller provided with hardware for supporting debugging as based on boundary scan standard-type extensions
12/30/1998CN2302525Y Passenger's train insulation testing instrument
12/30/1998CN1203667A Programmable interface controller
12/30/1998CN1203666A Process for producing signals identifying faulty loops in polyphase electrical power supply network
12/30/1998CN1203368A Method for detecting working condition of non-aqueous electrolyte secondary batterles
12/30/1998CN1203367A IC testing apparatus
12/29/1998US5855011 Method for classifying test subjects in knowledge and functionality states
12/29/1998US5854804 Method and apparatus for synchronizing a mode locked laser with a device under test
12/29/1998US5854801 Pattern generation apparatus and method for SDRAM
12/29/1998US5854798 Multirate generator and multirate generating method
12/29/1998US5854797 Tester with fast refire recovery time
12/29/1998US5854796 Method of and apparatus for testing semiconductor memory
12/29/1998US5854590 For an electric power supply network
12/29/1998US5854559 Method and apparatus for testing microwave devices and circuits in a controlled environment
12/29/1998US5854558 Test board for testing a semiconductor device and method of testing the semiconductor device
12/29/1998US5854556 Measurement system for partial discharges on dielectrics in coaxial cables
12/29/1998US5854555 Method and apparatus for detecting an abnormal current in automotive wiring harnesses
12/29/1998US5853908 Protective device for secondary batteries
12/29/1998US5852871 Method of making raised contacts on electronic components
12/29/1998CA2153490C Current surge indicator
12/29/1998CA2024243C Circuit status indicator having liquid crystal display
12/29/1998CA2024205C Fault indicator
12/24/1998DE19826314A1 Semiconductor component test device
12/24/1998DE19826028A1 Detecting abnormalities in cables used for automobile equipment
12/24/1998DE19726394A1 Method for detecting insulation weak points and faults in coils and coil systems
12/24/1998DE19724358A1 Test method for detecting dry joints
12/23/1998WO1998058317A1 Communication system
12/23/1998WO1998058271A1 Back-up battery management apparatus for charging and testing individual battery cells in a string of battery cells
12/23/1998WO1998058270A1 Battery testing and classification
12/23/1998WO1998058269A1 Method and device for monitoring a cable
12/23/1998WO1998058266A1 Probe card
12/23/1998WO1998043361A3 Iddq testable programmable logic array and a method for testing such a circuit
12/23/1998EP0886280A1 Method of stress testing integrated circuit having memory and integrated circuit having stress tester for memory thereof
12/23/1998EP0886214A1 Multi-channel architecture with channel independent clock signals
12/23/1998EP0885397A1 Probe for fault actuation devices
12/23/1998EP0885380A1 Real time/off line applications testing system
12/23/1998EP0826152A4 Method and apparatus for testing semiconductor dice
12/23/1998CN2301736Y Multipurpose electrometric device
12/23/1998CN2301735Y Flash alarm control unit for signal lamp controller
12/23/1998CN2301734Y Electric appliance control system fault detector
12/23/1998CN1202979A Method and device for monitoring consumption of contact elements in a switching device
12/23/1998CN1202967A Process and device for testing electric devices
12/23/1998CN1202730A Chip scale carrier