Patents
Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups  or (27,269)
09/2012
09/19/2012EP2500940A1 Systems including an I/O stack and methods for fabricating such systems
09/19/2012EP2500733A1 Test probe with ceramic coating and test instrument
09/19/2012EP2499503A1 Current measuring apparatus
09/19/2012CN202443084U Automatic test device of alternative-current (AC) contactor
09/19/2012CN202443080U Expansion port of relay protection tester
09/19/2012CN202443044U High-speed current generator for quantum alternating current voltage standard biased source
09/19/2012CN202443043U Programmable bias source for quantum alternating-current voltage standard
09/19/2012CN202443042U Multi-mode modulating signal generator
09/19/2012CN202443041U Digitalized closed loop vector control three-phase AC standard source
09/19/2012CN202443040U DC (direct current) /DC power test clamp
09/19/2012CN202443039U Movable electric device I/O (input/output) plug-in unit aging machine frame
09/19/2012CN202443038U High-voltage cable intelligence earth box
09/19/2012CN202443037U Integrated circuit testing device
09/19/2012CN202443036U Clamping head for debugging automatic electric device
09/19/2012CN202443035U Test clamp with automatic function
09/19/2012CN202443034U Chip testing seat
09/19/2012CN202443033U Connecting buckle of test pen
09/19/2012CN102680912A Light source detecting device
09/19/2012CN102680876A Systems and methods of testing semiconductor devices
09/19/2012CN102680821A Inter-pixel electric crosstalk test system of infrared detector chip
09/19/2012CN102680810A Microwave anechoic chamber experiment system
09/19/2012CN102680809A Electrical testing device for printed circuit board
09/19/2012CN102680765A Method for testing current of camera connecting plate and clamp thereof
09/19/2012CN102680754A Test probe with ceramic coating and test instrument
09/19/2012CN102680753A Adjustable rear bracket used in bench test of permanent magnet synchronous motor (PMSM) of electric vehicle
09/19/2012CN102680752A Electric testing jig for flexible circuit board
09/19/2012CN102680751A Telescopic connection device for electrical test
09/19/2012CN102680750A Superconductive signal transmission cable for remote weak analog signal transmission
09/19/2012CN102680749A Device for releasably receiving a semiconductor chip
09/19/2012CN102680748A Wiring board for electronic parts inspecting device and its manufacturing method
09/19/2012CN102680747A Wiring board for electronic part inspecting device and its manufacturing method
09/19/2012CN102680746A Wire detection plate with single wire clamping grooves
09/19/2012CN102680745A Electronic component testing system and switching device thereof
09/19/2012CN102680744A Upper mould of electrical measurement fixture provided with adjusting device
09/19/2012CN101968526B Solar panel detection machine station
09/19/2012CN101887074B Three-phase voltage sag generator
09/19/2012CN101477166B Wire harness test control panel and wire harness test control method
09/19/2012CN101354405B Method for manufacturing electrical contact element for testing electro device and electrical contact element thereby
09/18/2012US8269482 Intelligent electronic device having circuitry for reducing the burden on current transformers
09/18/2012US8269481 Automatic capture and storage of measurements in digital multimeter
09/18/2012CA2749630A1 Test probe with ceramic coating and test instrument
09/18/2012CA2530464C Interface device for testing a telecommunication circuit
09/13/2012WO2012121449A1 Probe card and manufacturing method
09/13/2012US20120229160 Wiring board for electronic parts inspecting device and its manufacturing method
09/13/2012US20120229157 Probe card and manufacturing method thereof
09/13/2012US20120229156 Testing apparatus and relative method
09/12/2012CN202434176U TFT-LCD (Thin Film Transistor Liquid Crystal Display) testing circuit
09/12/2012CN202433640U Backlight component test jig
09/12/2012CN202433516U Meter carrying tray for three-phase electric energy meter automatic testing line
09/12/2012CN202433493U Circuit board test fixture
09/12/2012CN202433491U LED electric testing instrument
09/12/2012CN202433464U Automatic ageing and testing device
09/12/2012CN202433462U Jig with aging and testing functions
09/12/2012CN202433460U Comprehensive detection device for three-dimensional low-frequency receiving antenna
09/12/2012CN202433419U Electric power signal source capable of providing frequency division dynamic waveform
09/12/2012CN202433418U Test socket for testing SMD (Surface Mount Device) type quartz crystal resonator
09/12/2012CN202433417U Individual voltage inspection connector for fuel cell electric pile
09/12/2012CN202433416U Client side device for wire connector tester
09/12/2012CN202433415U Voltage test fixture for power storage device
09/12/2012CN202433414U Clamp for facilitating testing electrical performance of constant-temperature crystal oscillator
09/12/2012CN202433413U Current test fixture
09/12/2012CN202433412U Pressing mechanism used on automatic detection line of three-phase electric energy meter
09/12/2012CN202433411U Antenna test rapid clamping joint
09/12/2012CN202433410U Light emitting diode (LED) lamp strip test device
09/12/2012CN202433409U Testing rod for cable connector
09/12/2012CN202433408U Improved structure of testing loop for GIS loop resistance
09/12/2012CN202433407U Detecting module with ZIF (zero insert force) connectors
09/12/2012CN102667500A Spring contact and a socket embedded with spring contacts
09/12/2012CN102667499A Signal sensing devices and circuit boards
09/12/2012CN102664622A Control system and method of matrix switch supportive of four working modes
09/12/2012CN102662140A Power meter device with portable light source for testing high-concentration photovoltaic cell
09/12/2012CN102662093A Three-type waveform signal generator
09/12/2012CN102662092A Device and method for testing wafer
09/12/2012CN102662091A Double-stroke mechanism
09/12/2012CN102662090A Automatic position error correction method
09/12/2012CN102662089A Non-contact loader
09/12/2012CN102023238B Clamp used for SiC MESFET (Metal Semiconductor Field Effect Transistor) direct current test
09/12/2012CN101949961B Direct current offset probe card for radio frequency test
09/12/2012CN101178414B Producing method of probe card having cantilever probes
09/11/2012US8264248 Micro probe assembly
09/07/2012WO2012118026A1 Contact probe and probe unit
09/07/2012WO2012082510A3 Probe card stiffener with decoupling
09/05/2012CN202421451U Switching performance test contact device for middle-placed switch cabinet
09/05/2012CN202421442U Modularized open PCBA (Printed Circuit Board Assembly) functional circuit test (FCT) platform
09/05/2012CN202421425U Alternating current withstand voltage reactance automatic compensator
09/05/2012CN202421390U Structure of half semi-locking overhead circuit fault indicator
09/05/2012CN202421386U Power test structure for radio frequency power amplifying tube
09/05/2012CN202421354U Infrared error-proof test power supply device
09/05/2012CN202421334U Accessory tool for checking phase of switch cabinet
09/05/2012CN202421268U Overload indication and alarm circuit for digital multimeter
09/05/2012CN202421261U Oscillograph for electric automatization teaching experiments
09/05/2012CN202421237U Short connection testing line
09/05/2012CN202421236U Probe mechanism
09/05/2012CN202421235U Probe assembler and test device applied to thin film transistor (TFT) test
09/05/2012CN202421234U Multi-meter prober
09/05/2012CN202421233U Constant temperature type battery testing needle bed
09/05/2012CN202421232U Test probe rod with low thermal electromotive force for superconductive AC voltage standard
09/05/2012CN202421231U Primary copper bar for testing special straight-through transformers
09/05/2012CN202421230U Test fixture for button cells
09/05/2012CN202421229U Testing wiring terminal for converting current into voltage
1 ... 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 ... 273