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)
08/1983
08/31/1983EP0087152A2 Secondary electron spectrometer and method of using the same
08/31/1983EP0087094A1 Electronic circuit arrangement comprising a switching device and fault indicator
08/31/1983EP0086778A1 Battery voltage monitoring and indicating apparatus.
08/30/1983US4402081 Semiconductor memory test pattern generating apparatus
08/30/1983US4402055 Automatic test system utilizing interchangeable test devices
08/30/1983US4401942 Monitoring system for a capacitor battery in an AC voltage network
08/30/1983US4401941 Flange and casing checking instrument
08/30/1983US4401940 Voltage equalizer bridge
08/30/1983CA1152739A1 Inspection system
08/24/1983EP0086310A1 Semiconductor integrated circuit device with test circuit
08/23/1983US4400809 Arbitrary drive for magnetic field waveform control
08/23/1983US4400730 Multiburst signal generation
08/23/1983US4400663 Shunt fault tester for multiconductor cable
08/23/1983CA1152568A1 System and method for locating resistive faults and interconnect errors in multi-conductor cables
08/23/1983CA1152567A2 Analyzing electrical circuit boards
08/23/1983CA1152566A2 Analyzing electrical circuit boards
08/18/1983WO1983002836A1 Device and method for automatically checking microprocessor-controlled electric apparatus, particularly in motor vehicles
08/17/1983EP0086161A1 Control device for the isolation of printed circuit boards
08/17/1983EP0085868A1 Device for the automatic optical testing of quality
08/17/1983EP0085772A1 Signature analysis system for testing digital circuits
08/16/1983US4399537 Control circuit and fuel burner incorporating a control circuit
08/16/1983US4399513 Machine monitoring system and apparatus
08/16/1983US4399409 Apparatus for testing the linearity of a frequency modulated oscillator
08/16/1983US4399408 Apparatus for testing the linearity of a frequency modulated oscillator
08/16/1983US4399405 Test facility
08/16/1983US4399402 Resistive fault sectionalization
08/16/1983US4399401 Method for destructive testing of dielectric ceramic capacitors
08/16/1983US4399400 Apparatus for testing multiconductor cables and having transition circuit means for extending its capability
08/16/1983US4399396 Two level constant voltage float charge rectifier and battery surveillance apparatus
08/10/1983EP0085481A1 Apparatus for detecting polarity of the excitation poles of a D.C. motor
08/10/1983EP0085338A1 Device for determining the common frequency of two independently variable alternating values, in particular in a rotating field machine
08/09/1983US4398232 Protective relaying methods and apparatus
08/09/1983US4398146 Test circuit for MOS devices
08/09/1983US4398144 Apparatus for determining the position of a switch and for monitoring the associated line for interruptions and short circuits
08/09/1983US4397564 Electronic timepiece
08/03/1983EP0084656A1 Contact pad for semiconductor chips
08/03/1983EP0084644A1 Apparatus for testing dynamical noise immunity of digital integrated circuits
08/02/1983US4397021 Multi-processor automatic test system
08/02/1983US4396990 Checking system for checking the functional integrity of the operating magnets in a flatbed knitting machine
08/02/1983US4396889 Nonadjusting battery life detector
08/02/1983US4396880 Method and apparatus for charging a battery
08/02/1983US4396868 Lamp circuit with disconnected lamp detecting device
08/02/1983US4396719 Measurement voltage
08/02/1983CA1151265A1 Compressor motor unit and a method of troubleshooting power supply circuits therefor
07/1983
07/27/1983EP0084260A1 Semiconductor integrated-circuit device with test circuit
07/27/1983EP0084247A2 Operation mode setting circuitry for microprocessor
07/27/1983EP0084191A1 Method of fault detection in a conductor of an interconnection network
07/26/1983US4395767 Interconnect fault detector for LSI logic chips
07/26/1983US4395677 Hall Effect tester for heated window grids
07/26/1983US4395375 Method of electrically testing molded cord-sets during the molding operation
07/26/1983CA1150771A1 Electrical component testing system for component insertion machine
07/26/1983CA1150769A1 Ptc devices for protecting batteries during charging and discharging
07/21/1983WO1983002512A1 Method and apparatus for determining spectral response and spectral response mismatch between photovoltaic devices
07/20/1983EP0083686A1 Audio/video quality monitoring system
07/19/1983US4394741 Battery monitoring system
07/19/1983US4394648 Brush wear detector system with latching relay
07/19/1983US4394616 Cable break locator
07/19/1983US4394615 Apparatus for testing the quality of the ground connection and the insulation quality in an electrical hand tool or the like
07/19/1983CA1150389A1 Memory circuit in a relay protection device
07/19/1983CA1150352A1 Stator fault detector for automotive alternator battery charging systems
07/19/1983CA1150351A1 Ripple detector for automotive alternator battery charging systems
07/19/1983CA1150350A1 Field coil fault detector for automotive alternator battery charging systems
07/19/1983CA1150349A1 Fault detection and diagnostic system for automotive battery charging systems
07/12/1983US4393508 System for locally testing a modem employing frequency shift keying
07/12/1983US4393348 Method and apparatus for determining minority carrier diffusion length in semiconductors
07/12/1983US4392893 Method for controlling characteristics of a semiconductor integrated by circuit X-ray bombardment
07/12/1983CA1149935A1 Test control circuit for multichannel apparatus such as tape recorders and the like
07/12/1983CA1149874A1 Test system for lsi circuits resident of lsi chips
07/08/1983EP0074392A4 Power supply diagnostic system.
07/05/1983US4392110 Methods and apparatus for monitoring the condition of dielectric liquid in electric discharge machining
07/05/1983US4392107 Switching equipment for testing apparatus
07/05/1983US4392105 Test circuit for delay measurements on a LSI chip
07/05/1983US4392104 Dielectric test unit
06/1983
06/29/1983EP0082147A1 Printed circuit board electronic tester
06/28/1983US4390870 Interface circuit for brush wear indicator application
06/28/1983US4390841 Monitoring apparatus and method for battery power supply
06/28/1983US4390837 Test unit for a logic circuit analyzer
06/28/1983US4390836 Method and apparatus for the detection of pipeline holidays
06/23/1983WO1983002163A1 Branched labyrinth wafer scale integrated circuit
06/23/1983WO1983002162A1 Insulation analyzer apparatus and method of use
06/22/1983EP0082103A1 Method and arrangement for realising the detection of earth faults in an electric-energy distribution network
06/22/1983EP0081966A2 Scan-out circuitry
06/22/1983EP0081566A1 A fault isolator for electric utility distribution systems
06/21/1983US4389723 High-speed pattern generator
06/21/1983US4389640 Apparatus for detecting loss of AC power supply and loss of current
06/21/1983US4389614 Method and apparatus for generating pulses of a predetermined time relation within predetermined pulse intervals with a high time resolution
06/21/1983US4389609 Battery check device
06/21/1983US4389125 Method for measuring surface temperature distribution and system
06/21/1983CA1148615A1 Electrical circuit tester
06/15/1983EP0081295A1 Intelligent probe for fast microcircuit internal node testing
06/14/1983US4388719 Dynamic signal generator
06/14/1983US4388618 Battery state of charge indicator operating on bidirectional integrations of terminal voltage
06/14/1983US4388615 Testing emergency battery equipment
06/14/1983US4388584 Battery monitoring and charger control system
06/14/1983CA1148264A1 Diagnostic-debug machine architecture
06/09/1983WO1983002041A1 A device for testing circuit breakers
06/09/1983WO1983002019A1 Branched-spiral wafer-scale integrated circuit
06/09/1983WO1983002005A1 Automotive battery test apparatus
06/09/1983WO1983001989A1 Ebulliometric hot spot detector
06/08/1983EP0080857A1 A device for testing circuit breakers
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