| 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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| 09/07/1993 | US5243303 Pseudo-random noise signal generator |
| 09/07/1993 | US5243296 Method and apparatus for checking operation of solenoid |
| 09/07/1993 | US5243294 Methods of and apparatus for detecting the character and location of anomalies along a conductive member using pulse propagation |
| 09/07/1993 | US5243293 System utilizing optical current sensors for detecting fault location in substation |
| 09/07/1993 | US5243291 Electromagnetic contactor deposition detecting apparatus which detects load current and switch current |
| 09/07/1993 | US5243274 For testing a device under test |
| 09/07/1993 | US5243273 General purpose, reconfigurable system for processing serial bit streams |
| 09/07/1993 | US5243243 Electric motor insulation resistance fault monitor |
| 09/07/1993 | US5243227 Fine/coarse wired-or tapped delay line |
| 09/07/1993 | US5241870 Test head manipulator |
| 09/07/1993 | CA1322036C Diagnosis arrangement for vehicle engine controller |
| 09/03/1993 | CA2090654A1 Programmable timing circuit for integrated circuit device with test access port |
| 09/02/1993 | WO1993017351A1 Detection of location of faults in cables |
| 09/02/1993 | WO1993017345A1 Method and apparatus for electronic meter testing |
| 09/02/1993 | DE4306081A1 Automatic warning appts. for breakage in cable - detects if abnormal condition exists in cable and then automatically switches over to spare cable and continues transmission if no further abnormal condition is detected |
| 09/02/1993 | DE4225595C1 Cable segment test method for locating resistance variations in local area network - supplying measuring pulses and evaluating reflected pulses using analogue=to=digital converter and two separate channels, with memory storing values |
| 09/01/1993 | EP0558231A2 Device for testing a plurality of functional blocks in a semiconductor integrated circuit |
| 09/01/1993 | EP0558190A1 Electromagnetic contactor with condition sensing |
| 09/01/1993 | EP0558177A1 Energy resolved emission microscopy system and method |
| 09/01/1993 | EP0557628A1 Circuit testing system |
| 09/01/1993 | EP0557488A1 Apparatus for checking the contamination condition of electric insulators. |
| 09/01/1993 | EP0437423B1 Dc/dc converter |
| 09/01/1993 | EP0311671B1 Identity insert for electronic modules |
| 09/01/1993 | CN2141571Y Display device for short circuit |
| 08/31/1993 | US5241550 System for accurately confirming cross-connection in a cross-connection network |
| 08/31/1993 | US5241444 Adaptive trip fault current indicator |
| 08/31/1993 | US5241277 Test system for automatic testing of insulation resistance, capacitance and attenuation of each contact pair in a filter pin connector |
| 08/31/1993 | US5241275 Method of measuring remaining capacity of a storage cell by comparing impedance plot characteristics |
| 08/31/1993 | US5241269 Apparatus and method for measuring hysteresis characteristics in a high frequency range |
| 08/31/1993 | US5241266 Built-in test circuit connection for wafer level burnin and testing of individual dies |
| 08/31/1993 | US5241265 Logic function circuit with an array of data stores and their circuit testing |
| 08/31/1993 | US5241264 IC test apparatus |
| 08/31/1993 | US5239747 Method of forming integrated circuit devices |
| 08/26/1993 | DE4305677A1 Test circuit, esp. for LSI circuits - has clock, test data and test control inputs, and is connected between two circuit stages |
| 08/25/1993 | EP0557227A2 Method and apparatus for inspecting a printed circuit board |
| 08/25/1993 | EP0557136A2 System for measuring misregistration |
| 08/25/1993 | EP0556894A1 A method for testing an integrated circuitry and an integrated circuit having a plurality of functional components and having junction/switch test components in interconnecting channels between functional components |
| 08/25/1993 | EP0556826A2 Microprocessor with self-diagnostic test function |
| 08/25/1993 | CN2141086Y Magnetic probe insulator detector |
| 08/25/1993 | CN2141085Y Acoustooptic instrument for measuring voltage |
| 08/25/1993 | CN1075553A Comparing-type instrument for mesuring elements of circuit |
| 08/25/1993 | CN1021928C Instrument with electronic brain for mechanical property of asynchronous motor |
| 08/24/1993 | US5239536 Loop test system in an integrated circuit |
| 08/24/1993 | US5239485 System and method for determining the revision history of printed circuit boards |
| 08/24/1993 | US5239441 Underground power line fault locating system |
| 08/24/1993 | US5239286 Battery alarm system |
| 08/24/1993 | US5239270 Wafer level reliability contact test structure and method |
| 08/24/1993 | US5239262 Integrated circuit chip with built-in self-test for logic fault detection |
| 08/24/1993 | US5239261 Probe apparatus for testing electronic circuits immersed in a liquid cryogen |
| 08/24/1993 | US5239191 Semiconductor wafer |
| 08/24/1993 | US5237836 Fiber mat cryogenic cooling |
| 08/24/1993 | CA1321484C Method of characterizing bistable semiconductor lasers |
| 08/19/1993 | WO1993016433A1 Hardware emulation accelerator and method |
| 08/19/1993 | DE4303739A1 Line section test equipment for railway electric power supply system |
| 08/19/1993 | DE4204911A1 Line section test equipment for railway electric power supply system |
| 08/19/1993 | DE4204910A1 Line testing unit for DC railway installations for short circuit protection - has three=phase transformer connected to supply system of DC sub station and operates prim. winding using open star point with test rectifier connected to free ends |
| 08/18/1993 | EP0555946A2 Line testing device for traction current systems, especially standard gauge railway systems |
| 08/18/1993 | EP0555538A2 Connecteur test means |
| 08/18/1993 | EP0555530A2 Device for testing a connector and cable assembly |
| 08/18/1993 | EP0464021B1 Measuring device with auxiliary electrode for a gas-insulated, encased high-voltage installation |
| 08/18/1993 | EP0457809B1 Conductor tracing system |
| 08/18/1993 | CN2140528Y Insulator and electrical connector on-line detector |
| 08/18/1993 | CN2140525Y Multifunctional acoustooptic low voltage test pencil |
| 08/18/1993 | CN1075365A Method for measurement of resistive current first harmonics of gapless metal oxide lightning arrester and its apparatus |
| 08/17/1993 | US5237282 Computer controlled measurement and switching circuit for cable testing |
| 08/17/1993 | US5237267 Wafer probe station having auxiliary chucks |
| 08/17/1993 | US5237266 Process and apparatus for determining the carrier concentration in semiconductors |
| 08/17/1993 | US5237219 Methods and apparatus for programming cellular programmable logic integrated circuits |
| 08/17/1993 | US5236076 Apparatus for automatically unloading device in handler |
| 08/17/1993 | CA2016528C Battery system |
| 08/12/1993 | DE4203757A1 Testing vacuum of enclosed switchgear - measuring emission current or detecting x=ray radiation before and after capacitive arc discharge |
| 08/11/1993 | EP0555133A1 Method for evaluating semiconductor wafers and a device carrying out the same |
| 08/11/1993 | EP0555012A2 Method for monitoring battery discharge |
| 08/11/1993 | EP0554622A2 Apparatus and method for testing bare dies |
| 08/11/1993 | EP0554403A1 Method and apparatus for measuring minority carrier concentration in semiconductor materials. |
| 08/11/1993 | EP0515577A4 Making and testing an integrated circuit using high density probe points |
| 08/11/1993 | EP0428663B1 Process and device for rapid spectral analysis of a signal at one or more measurement points |
| 08/11/1993 | EP0346404B1 Process for determining the energy content of an electrochemical storage battery |
| 08/11/1993 | CN2140066Y Multifunction voltage indicator for automobile storage battery |
| 08/11/1993 | CN2140065Y Hall light signal and electrical equipment load monitor |
| 08/11/1993 | CA2080239A1 Method of measuring junction temperature |
| 08/10/1993 | US5235600 Scannable system with addressable clock suppress elements |
| 08/10/1993 | US5235566 Clock skew measurement technique |
| 08/10/1993 | US5235527 Method for diagnosing abnormality of sensor |
| 08/10/1993 | US5235273 Apparatus for setting pin driver/sensor reference voltage level |
| 08/10/1993 | US5235271 System and method for testing manufactured lots of electronic devices |
| 08/05/1993 | WO1993015412A1 Battery charge monitor and fuel gauge |
| 08/05/1993 | WO1993015411A1 Method for predicting shortcircuit and apparatus therefor |
| 08/05/1993 | DE4302509A1 Testing characteristics of high density circuit board - using matrix of test electrodes identical to board electrodes with precision alignment to obtain maximum inter-electrode conductivity |
| 08/05/1993 | DE4203467A1 Monitor for single earth faults on insulated electric traction system - has artificial earth point and bridge connected detector circuit with fault indication via independent DC source |
| 08/05/1993 | DE4202655A1 Test instrument for single and three=phase equipment - has phase selection switching, earth continuity and conductivity verification and phase sequence indication |
| 08/05/1993 | CA2106672A1 Battery charge monitor and fuel gauge |
| 08/04/1993 | EP0554118A2 Testing integrated circuits |
| 08/04/1993 | EP0554021A2 Circuits for use in the detection and location of a fault or faults in a device under test |
| 08/04/1993 | EP0553472A2 Process and appliance for testing an apparatus which comprises at least one microprocessor |
| 08/04/1993 | EP0553451A2 Process and means for monitoring the functioning of inductances |
| 08/04/1993 | EP0553080A1 High speed tester and method of providing successive loops of data signals at a predetermined clock rate. |
| 08/04/1993 | EP0374224B1 Portable identifier apparatus for communication cables |
| 08/04/1993 | CA2084154A1 Method for monitoring battery discharge |
| 08/03/1993 | US5233637 System for generating an analog regulating voltage |