Matches 1 - 50 out of 155 1 2 3 4 >


Match Document Document Title
US20110025370 Method and System for Testing Yawing System for Wind Turbine  
A system and method is provided for ground testing of a yaw system of a nacelle (3) prior to erection of a wind turbine (1). A portable transformer box (10) is provided which will allow the...
US20120092023 METHOD AND CIRCUIT FOR TESTING A POWER PRODUCER OR A POWER CONSUMER WHICH CAN BE CONNECTED TO A POWER GRID  
Described is a method for testing a power producer or a power consumer that can be connected to a power grid. The power producer or the power consumer is connected to a terminal point. A converter...
US20120249336 DEVICE FOR CURRENT MEASURING IN POWER SUPPLY NETWORKS  
The present invention relates to a device for current measuring in power supply networks comprising transformers for measuring current, a signal processing apparatus arranged on a printed circuit...
US20110193561 CHUCKS FOR SUPPORTING SOLAR CELL IN HOT SPOT TESTING  
In an embodiment, a chuck to support a solar cell in hot spot testing is provided. This embodiment of the chuck comprises a base portion and a support portion disposed above the base portion. The...
US20120126823 UNIVERSAL MATE-IN CABLE INTERFACE SYSTEM  
The present document describes an assembly for connecting a test unit to a wiring harness or equipment to be tested, and a method for testing using the assembly. The assembly may comprise a test...
US20130038334 TEST STRUCTURE, METHOD AND CIRCUIT FOR SIMULTANEOUSLY TESTING TIME DEPENDENT DIELECTRIC BREAKDOWN AND ELECTROMIGRATION OR STRESS MIGRATION  
Test structures for simultaneously testing for electromigration or stress migration fails and time dependent dielectric breakdown fails in integrated circuits, test circuits using four test...
US20110109322 Testing System and Adapter Thereof Utilizing a Common Power Supply and Display Device to Test Different Main Board Circuits  
A testing system utilizing a common power supply and a display device to test different types of a main board circuit is disclosed. The testing system includes a power supply device for outputting...
US20110304344 Support Structure For Installation Of A Component Assembly Housed In A Rotating, Translating Carriage Chassis  
A support structure for installation of a component assembly housed in a rotating, translating carriage chassis, the support structure including: a stationary rail that includes a shaft extruding...
US20100013496 Branch circuit black box  
A branch circuit black box for use in a building electrical system having service entrance, current protection switches (circuit breakers or fuses), and a power distribution system includes a...
US20140184240 TESTING SYSTEM WITH AN ISOLATED SWITCHING MODULE  
In this invention, a test system includes a tester and a switching module for connecting any pin to the tester for testing a device-under-test (DUT), the test system has a rectifying device...
US20090128162 CALIBRATING AUTOMATIC TEST EQUIPMENT  
A method for use with automatic test equipment (ATE) includes programming the ATE to generate bursts, each of which corresponds to a signal characteristic produced by the ATE, obtaining power...
US20150145525 OVERCURRENT SIMULATION METHOD WHEN NAIL PENETRATES SECONDARY BATTERY AND RECORDING MEDIUM STORING THE PROGRAM  
Disclosed is an overcurrent simulation method when a nail penetrates a secondary battery and a recording medium storing the program. The overcurrent simulation method according to the present...
US20130113498 TEST DEVICE WITH UNINTERRUPTIBLE POWER SUPPLY  
A test device with uninterruptible power supply supplies external power to a product under test (PUT) and performing electric power tests thereon. The PUT has a processing unit, a power input end,...
US20120176142 TEST CIRCUIT FOR RESISTOR CAPACITOR CIRCUITS  
An RC test circuit includes an RC circuit, a digital rheostat, a control chip, and an oscillograph. The RC circuit includes a plurality of positive terminals and a plurality of negative terminals....
US20060192566 CONTINUITY TESTER WITH MAGNETIC GROUND AND METHOD THEREFOR  
A continuity testing device has a probe element for contacting a conductor. A continuity testing circuit is coupled to the probe element. The continuity testing circuit will indicate continuity...
US20110148433 HIGH-VOLTAGE TRANSFORMER  
A high-voltage transformer for providing an alternating voltage in the kV range, comprising at least one secondary winding wound on a coil carrying body surrounding a transformer core, and an...
US20100079151 AUTOMATIC TEST EQUIPMENT SELF TEST  
A self test adapter (STA) for automatic test equipment (ATE) is provided. The STA includes an enclosure. A backplane is housed by the enclosure. A dual data bus is integrated into the backplane....
US20080258667 TEST MODULE FOR MOTOR CONTROL CENTER SUBUNIT  
A system and method are provided for coordinating the installation and removal a motor control center subunit with the power connection and interruption thereof A system of interlocks and...
US20120306511 PARTIAL DISCHARGE EXPERIMENT POWER SUPPLY SYSTEM FOR EXTRA-HIGH VOLTAGE TRANSFORMER AND METHOD THEREOF  
A partial discharge test power supply system for an extra high voltage transformer comprises: an electric motor (1); an intermediate frequency generator (2) driven by the electric motor and...
US20080150548 TEST CARTRIDGE WITH INTERNAL GENERATION OF THE TEST SIGNALS  
A test cartridge for testing an electronic device is provided. The test cartridge includes a housing for housing the electronic device, a contact for electrically contacting the electronic device...
US20130134987 Apparatus and Method for Easy Diagnosis, Repair, and Maintenance of a Commercial Display Screen  
One or more apparatuses and methods for enabling easy diagnosis, repair, and maintenance of a commercial display screen are disclosed. In one embodiment of the invention, this apparatus includes a...
US20100039120 Hardware in the loop motor simulation  
A simulator system is connected to simulate the connection of a mechanically loaded motor to a motor controller/driver. The simulator system includes a current transformer circuit for monitoring...
US20110018552 COUPON BOARD AND MANUFACTURING METHOD OF PRINTED BOARD  
A coupon board is cut out together with a printed wiring board from a sheet material in which a solder resist film is formed on a surface of a glass cloth fiber. The coupon board is for evaluating...
US20090184720 ATTACHMENT APPARATUS, TEST HEAD, AND ELECTRONIC DEVICE TEST SYSTEM  
An apparatus comprises: an engagement shaft able to engage with a bottom surface of a DSA and held linear-movably; an air cylinder supplying a drive force for linearly moving the engagement shaft;...
US20130099796 Radiation-Tolerant Overcurrent Detection  
Systems and methods for radiation-tolerant overcurrent detection are disclosed. In some embodiments, an integrated circuit may include a plurality of overcurrent detectors, each of the plurality...
US20090174563 BATTERY IDENTIFICATION FOR BATTERY PACKS WITH INTER-CELL TAPS  
A battery charger comprises a first electrical contact that receives a positive contact of an attached battery pack; a second electrical contact that receives a negative contact of the attached...
US20090108851 TEST BOARD FOR TESTING PCBS  
A test board for testing PCBs includes a plurality of signal input terminals, a plurality of signal output terminals connected to the signal input terminals respectively, a standby signal output...
US20090001995 Circuit for detecting connection failure between printed circuit boards  
A connection failure detection circuit that detects incomplete connection between printed circuit boards. A supervisory signal source is mounted on a first printed circuit board to produce a...
US20130049792 MEASURING DEVICE AND A METHOD FOR MEASURING A CHIP-TO-CHIP-CARRIER CONNECTION  
A measuring device is provided, the measuring device including: a power supply to provide electric power to a chip via at least one of a chip connection and a chip-carrier connection; a chip...
US20090237089 APPARATUS FOR TRANSFERRING PACKAGED CHIPS, TEST HANDLER AND METHOD FOR MANUFACTURING PACKAGED CHIPS  
An apparatus for transferring packaged chips, a test handler, and a method for manufacturing packaged chips are provided. The apparatus for transferring packaged chips may include a main frame...
US20080074120 PUSHING BLOCK AND AND A HANDLER WITH THE PUSHING BLOCK  
Provided is a pushing block for use in a handle and a handler equipped with the pushing block. The pushing block includes pushing pins, provided under the test tray, each pushing the latch upwards...
US20110133754 TEST ARRANGEMENT FOR IMPULSE VOLTAGE TESTING OF ELECTRICAL HIGH-VOLTAGE COMPONENTS  
Exemplary embodiments are directed to a test arrangement for testing surge voltage in electrical high voltage components with a surge voltage generator and a voltage distributor. The surge voltage...
US20100097075 TEST HANDLER FOR ELECTRONIC DEVICES  
A test handler comprises a package support for holding an electronic device in a certain orientation and for transporting the electronic device to a testing station for testing the electronic...
US20120153963 TESTING OF A TRANSIENT VOLTAGE PROTECTION DEVICE  
A method of testing a voltage protection device in a circuit is provided. The circuit comprises a source and load and a detector is provided in parallel with the protection device. The method...
US20100301886 TEST BOARD  
A test board is provided. The test board includes a power connecting interface, diode modules, a power module a detecting module, and a processor. The power connecting interface includes power...
US20090256577 Delay Lock Loop Circuit, Timing Generator, Semiconductor Test Device, Semiconductor Integrated Circuit, and Delay Amount Calibration Method  
A method replaces a delay amount measurement in which an initially set value of a counter is determined by a technique which replaces measurement of a delay amount, whereby a time required for...
US20110270565 TEST FIXTURE AND METHOD FOR AUTOMATICALLY TURNING ON COMPUTERS  
A test fixture includes a first RS-232 connector and a second RS-232 connector. The data terminal ready (DTR) pin of the first RS-232 connector is connected to the DTR pin of the second RS-232...
US20080315894 Testing Adapter  
The invention relates to a testing adapter suitable for testing a wireless telecommunication device. The testing adapter comprises a first contact member and a second contact member, the first...
US20120326727 COMPOUND TEST METHOD OF HIGH VOLTAGE DIRECT CURRENT TRANSMISSION CONVERTER VALVE  
The present provided a compound test method of high voltage direct current transmission converter valve. The invention method adopted two independent high voltage sources to supply forward and...
US20090322346 MOTHERBOARD TEST SYSTEM AND TEST METHOD THEREOF  
A motherboard test system for testing a motherboard includes a number of HDDs storing different operating systems, a number of HDD connectors corresponding to the HDDs, a number of electrical...
US20090021278 Commutation failure detection circuit for back-to-back SCR circuit and controlling method thereof having relatively better efficiency  
The configurations of a commutation failure detection circuit for a back-to-back SCR circuit and the controlling methods thereof are provided. The proposed commutation failure detection circuit...
US20090261842 Docking Drive, Locking Element, Docking System  
A docking drive for a testing head comprising a plurality of locking mechanisms (10) each provided with an own locking drive (14, 21-28) comprises a synchronising device (11, 12, 13) synchronising...
US20090094495 MODULATION SIGNATURE TRIGGER  
A trigger generator and trigger method are provided for determining whether or not a signal under test matches a modulation signature. The modulation signature may be provided as a magnitude...
US20100033191 INSPECTION JIG FOR DISPLAY PANEL, INSPECTION SYSTEM USING THE SAME, AND METHOD FOR INSPECTING THE DISPLAY PANEL USING THE SAME  
An inspection jig for a display panel, used in an inspection system for the display panel and in a method for inspecting the display panel, includes a plate, a ground plate and at least one side...
US20130082718 CIRCUIT TEST INTERFACE AND TEST METHOD THEREOF  
A circuit test interface and a test method are disclosed. The circuit test interface may include a test voltage input pad, a test voltage output pad, and a plurality of input buffers. Each of the...
US20110043952 DEVICE FOR THE PREVENTION OF SERIOUS FAULTS IN ELECTRICAL MAINS SUPPLY NETWORKS  
The invention relates to a device for the prevention of serious faults in electrical mains supply networks by spectral analysis of the network voltage. The spectrum determined by a voltage A/D...
US20100097074 CONTINUOUS SERIES ARC GENERATOR  
An arc fault demonstrator device for testing the efficacy of an arc fault interrupter (AFI) circuit breaker. The device includes a motor that moves a movable electrode relative to a stationary...
US20080172202 Short-circuit detection circuit, resolver-digital converter, and digital angle detection apparatus  
Potentials at both ends of an exciter coil to which an exciting signal is sent by a push-pull method are compared, and at least one of a short circuit to ground and a short circuit to a power...
US20090295404 Test apparatus and test module  
Provided is a test apparatus that tests a device under test, comprising a control apparatus that controls the test apparatus; a pattern generator that generates a plurality of test patterns to be...
US20090063085 PMU TESTING VIA A PE STAGE  
An apparatus for use in testing a device includes a parametric measurement unit to measure a first signal from the device, and pin electronics to provide a second signal to the device. The pin...

Matches 1 - 50 out of 155 1 2 3 4 >