Match Application Number Document Title
1 98100595 On-line detection method for function of operational amplifier
The invented method includes the following steps: making two input ends of optional amplifier ungrounded or short-circuit with power supply; making inverted input end of operational ampl...
2 98106070 Short circuit detector
The device comprises: a current generator (10) for generating a current (IIN) of predetermined intensity, selectively into or out of the terminal (IN), a first voltage comparator (20) con...
3 98110684 Double-monitoring current comparison type apparatus for avoiding fraudulent us...
An instrument for judging and recording the illegal use of electric energy by comparing two monitored current values features use of an undercurrent and undervoltage timer and two additi...
4 98802893 Magnetic sensor
A magnetic sensor with a signal processing circuit which is constituted of a magnetic sensor section (4) formed from a compound semiconductor thin film or magnetic thin film, and a signal...
5 98803798 Method and device for detecting and locating irregularities in insulating cover...
The invention relates to a method for detecting at least one irregularity in the dielectric around a substantially elongate conductor, comprising of: applying a potential difference betwe...
6 98105314 Auto-lock type continuity check unit
A connector receiving member and a test area are provided in a relatively shiftable manner from an engaged state in which a test area engages in a continuity testable manner to a separate...
7 98802791 Method and device for idneitfying system parameters stator resistance and rotor...
The invention relates to a method for identifying the system parameters, stator resistance (Rs) and rotor resistance (Rr), in a transmitter-free induction machine (DM) operated in a field...
8 98100425 Semiconductor test system
A semiconductor device test system tests a semiconductor device by applying a test signal to the device, and comparing the resultant output with expected value data.. The emulator softwar...
9 98103882 Circuit and test method
A circuit (100) comprises a built-in test circuit (150) which verifies the proper operation of input cells (130) when they receive signals at a first level (71) and at a second level (72)...
10 98100535 Ferromagnetic-article sensor
The present invention relates to a ferromagnetic-article sensor comprises a pathway-forming means for defining a pathway for a ferromagnetic-article; a magnet disposed adjacent to the pat...
11 98113432 Real time monitering and displaying system for current of brushless magnet exci...
A real-time monitor and display system for rotor current of brushless excited electric generator is composed of intelligent measuring and controlling terminal, communication interface an...
12 98100609 Method for detecting fraudulent use of electricity by short connection
The present invention relates to a kind of method for detecting the fraudulent use of electricity by short circuit. The characteristic lies in that the frequency response characteristic ...
13 98104098 Method for reducing Maxwell term false image in fast spin echo magnetic rsonanc...
Spin echo pulse sequences are adjusted to reduce, or eliminate image artifacts caused by Maxwell terms arising from the linear imaging gradients. The waveforms of the slice selection, pha...
14 98104399 Magnetic sensor and iron-nickel system alloy wire rod for magnetosensitive wire
To provide a magnetic sensor having a magnetism-sensitive wire which is easy to manufacture and varies little. An iron-nickel alloy wire rod is drawn by a reduction ratio A of not smaller...
15 98104066 Peak detector using automatic threshold control and method therefor
A peak detector for a maximum likelihood decoding system, using an automatic threshold control (ATC), and a method therefor are provided. In the peak detector, positive and negative peak ...
16 98803957 Optical driver, optical output type voltage sensor and IC tester using them
In an IC testing equipment constituted of a main frame which stores electronic circuit devices including a pattern generator, a waveform generator, and a logic comparator and a test head...
17 98803958 Current measurement, current sensor and IC tester using the sensor
A current measuring method which has the steps of converting a current to be measured into a voltage signal, phase-modulating the light, which permeates through an optical modulator, by t...
18 03101070 IC tester using optical driving type driver and optical output voltage sensor
The invention is a kind of IC test equipment, including main framework and test heat, the main framework including image generator and logic comparator and the test head far away from th...
19 98104093 Semiconductor device having contact check circuit
A contact check circuit of a semiconductor device includes N-channel MOS transistors connected in series between pads located at opposing ends, with their gates respectively connected to ...
20 98802227 Worldwide marketing logistics network including strategically located centers f...
A worldwide logistics network includes a processing center for receiving customer orders for crystal oscillators over communications links, processing the orders, and generating work orde...
21 98802165 Infrared screening and inspection system
In general, the spatial resolution and repeatability of results using infrared detectors for examining printed circuit cards has been so poor that the devices have failed to achieve comme...
22 98103705 Method and apparatus for performing operative testing on integrated circuit
A method of detecting defective CMOS devices by quiescent current (IDDQ) behavior using a monitor circuit resident in the expendable areas of a die and/or wafer. A monitor unit is incorpo...
23 98104036 Method for performing test mode of electric device
A method for performing a test and controlling the test mode of an electric device. The method reduces the amount of time and labor expended during fabrication, and accordingly enhances p...
24 98800927 Apparatus and method for tetermining source and strength of electro-magnetic em...
The TEM cell provides an output signal (os) indicative of the energy radiated by the circuit when it is operated in the TEM cell. The os of the TEM cell is measured for at least 6 differ...
25 98110625 Method and apparatus for measurement of output high voltage of high-voltage gen...
A method and device for measuring the output voltage of high-voltage generator features that the voltage and current of primary winding side are measured to find out the high output volt...
26 98100017 Monitoring recording system for avoiding fraudulent use of electric power
An electric monitor and recorder system for preventing electric power from being embezzled is composed of electric consumption monitoring and recording controller and handheld controller...
27 98100125 Socket for tester of semiconductor chip property
The present invention relates to a semiconductor chip performance tester socket. It is characterized by that said tester socket is assembled by using elastic contacts, circuit-connected ...
28 98800070 Method of mfg. liquid crystal display module
Method of manufacturing the quality of contacts, e.g. in an LCD module in which an IC is so placed on the surface of a substrate that the external connections of the IC electrically conta...
29 98801818 Control device with forced operation function and semiconductor integrated circ...
A control device with a forced operation function comprising an output circuit operating while interlocking with an internally generated output control signal, and a terminal for leading ...
30 98103604 Method for displaying set inputs based on conductivity meter of batch-wise vacu...
To carry out setting input display of a batch operation type crystallizer apparatus and automatic operation of the can apparatus while measuring, the conductivity of a slurry at high prec...
31 98110602 Multimeter with both pointer and digit display
The multimeter has a pointer type indicator and a digital display in the reading screen. In the circuit part, there is input switch network and converter, ADC and digital display as well...
32 97108569 Multi-stage semi-differential a. c oscillographic timing potentiometer
A multi-order semi-differential AC potential instrument for oscillograph and timing has a semi-differentiator connected to voltage-drop subtractor and differentiator. The cut-off frequen...
33 97107247 Satellite borne supersoft X-ray detector networking dynamic response detecting ...
A networking dynamic response detection technique for satellite carried supersoft X-ray detector features use of isotopic radiation source to test the detector. A sealed chamber communic...
34 97125951 Method for correcting inhomogeneity of spatial intensity in acquired MR image
A method is provided for correcting an imaging function g acquired by and MR surface coil having associated spatial inhomogeneity. A shrinking operation is applied to the function g. Pixe...
35 97125952 Method for measuring and compensating for spatially and temporally varying magn...
A calibration scan is used to acquire a test data set from which eddy currents induced by a test gradient pulse can be both spatially and temporally resolved. Compensation parameters are ...
36 97181032 Contact probe unit
In a conductive contact unit, the base-side end section of a compression spring which urges a contact itself or a needle-like contact is housed in a supporting hole bored into a substrate...
37 97182073 MRI magnetic field generator
An MRI magnetic field generator which does not give a subject an imaged space stably, and produces a clear image with a high sensitivity while its size is small and its cost is low. A ma...
38 97182074 MRI magnetic field generator
An MRI magnetic field generator comprising a pair of pole pieces and an inclined magnetic field coil which is attached to the pair of the pole pieces. The adjustment of the magnetic fiel...
39 97129715 IC testing method and apparatus
Two contact heads are used to convey IC devices between an IC device testing part E and a contact arm operating stage ST3 and a buffer stage ST4 is interposed between the contact arm oper...
40 97182134 Leakage current correction circuit
A leakage current correction circuit for reducing a leakage current flowing to an output of a circuit in a high-impedance state,comprising a correction unit which includes a current dete...
41 97125201 Method and device for distinguishing transmission line fault direction
The present invention relates to a method for recognizing fault direction of transmission line and its equipment. It is characterized by that measuring fault component of current and fau...
42 97125811 System and method for automatically creating and transmitting test conditions o...
The present invention provides a system for automatically creating and transmitting test condition to a tester. The system of this invention comprises data collecting means for collecting...
43 97193086 Memory test set
The present invention relates to a memory testing apparatus capable of testing both memories of a parallel input/parallel output type and a serial input/serial output type, in case of tes...
44 97108713 Method for measuring piezoelectric constant of thin film shaped piezoelectric m...
Method for measuring piezoelectric constant of thin film shaped piezoelectric material is disclosed. After forming thin film shaped piezoelectric material having bottom electrode and top...
45 97119847 Permanent parameter set-up device for intelligent kilowatt-hour meter
The present invention relates to a permanent parameter set-up device for intelligent kilowatt-hour meter, including I/O reader-writer 1. memory A2, buffer 3, arithmetic device 4, memory ...
46 97126376 Measuring equipment for electricity meter
The measurement device(1) which connects to electricity meter circuit has a shunt with first and second connection terminals (6,7) arranged on a shunt board for supply of a voltage equal ...
47 97181448 Telescope tester structure with I-cached SIMD technology
A high-speed semiconductor tester system with Single Instruction-stream Multiple Data-Stream (SIMD) organization, incorporating an event generator array, a plurality of pin channels for c...
48 97125547 Semiconductor integrated circuit and method of testing synchronous dynamic rand...
The object of the present invention is to provide a semiconductor integrated circuit device comprising a logic circuit and a synchronous dynamic random access memory integrated on a singl...
49 97125433 Insulated device diagnosing system and partial discharge detecting method
An insulated device diagnosing system is capable of judging the deterioration, lifetime, and defects of a device. The intensity at each voltage phase angle is measured at a plurality of s...
50 200410003891 Insulator diagnostic system and local discharge detecting method
An insulated device diagnosing system is capable of judging the deterioration, lifetime, and defects of a device. The intensity at each voltage phase angle is measured at a plurality of ...
51 97108539 High-voltage overhead line on-line failure distance finding method and instrume...
An in-line failure ranging method and instrument for overhead high-voltage (10-35 KV) transmission line features that the reactance value of transmission line is measured and by design o...
52 97123059 Multiconnector-terminated multi-segment line cord with strain relief attachment...
A multiconductor telephone test set line cord contains multiconductor cable a first end of which may be terminated by a first RJ45 style modular plug that plugs into an RJ 45 style modula...
53 97181378 Method of measuring current while applying a voltage and apparatus therefor
An apparatus for measuring current while applying a voltage, in which a predetermined voltage is applied to a noninverted input terminal of an operational amplifier, a voltage applied to...
54 97121820 Method for detecting operational errors of tester for semiconductor devices
A method for detecting operational errors in a tester of a test system for determining whether a semiconductor device is good or failed includes a diagnostic test having the step of perio...
55 97123020 Circuit arrangement for isolated voltage and/or current measurement
A circuit arrangement for making isolated voltage and/or current measurements on a transmission line is characterized in that a shunt branch between the go conductor ( ) and the return co...
56 97126403 Method and apparatus for diagnosing and determining deterioration/replacement o...
A current detector diagnoses a current flowing through a spark plug. Since a measured analog voltage is inputted to an electronic control part 11, it is converted to a digital signal by a...
57 97115691 Standard industrial frequency three phase source
A three-phase main-frequency standard source uses single-chip computer as its control center, digitally synthetic sine wave as three-phase standard signal source, and the six signals who...
58 97182291 Antenna adapter
An antenna adapter (100) for interfacing a portable radiotelephone (200) with external equipment. In a preferred embodiment, a connector assembly (404) includes a first connector portion ...
59 97181433 IC testing method and IC testing device using the same
An IC testing device which performs a function test and a DC test. A high-resistance resistor is connected tothe output side of a DC testing device so that a function testing device can ...
60 97181347 IC testing device
An IC testing device in which a current detecting resistor is connected between the power terminal of an IC to be tested on the current flow-out side and a common potential point, a shor...
61 97199767 Circuit arrangement for accurately sensing direct current derived from clocked ...
The apparatus is used for detecting an output direct current (Ia) produced by a pulse controller (PS). This pulse controller (PS) has at least one chopper device (Z) for forming a pulsed ...
62 97120183 Horizontal transfer test handler
A horizontal transfer test handler for transferring IC devices under test in horizontal directions to and from a test head. The test handler includes, a device tray provided on an upper s...
63 97126417 Semiconductor device testing apparatus
The tester has a test-head (13) which consists of a screening housing (100) fixed to the function plate (30) of the main test-head unit (13). This covers an IC socket (20) in the centre o...
64 97191480 Integrated circuit device tester
In an IC device tester for testing IC devices held in contact with a test head, optical signals are employed for all signal exchanges between a tester mainframe and the test head and sign...
65 97181356 Apparatus for measuring impedance of a resonant structure
Apparatus for measuring the value of a physical quantity which affects the impedance of an electrically resonant structure, said apparatus comprising an electrically resonant structure, a...
66 97120280 Expert diagnostic method for fault of dc. motor
The present invention discloses an expert diagnosis method for direct-current dynamo failure, and said method is implemented by means of two portions of data collecting system and failur...
67 97122221 System for testing articles in assembling line of household electric appliance
System which tests the articles in order to ascertain whether they are satisfactory or not. The system includes two parallel testing lines installed between the assembly and finished-arti...
68 97122481 Failure diagnosis device
A failure diagnostic apparatus for electronic device is disclosed. When one of the failure detecting devices disposed at some spots in an electronic appliance detects failure of the elect...
69 97107752 Method for leading from interior of coils of electric appliance
A method for leading wire out of electric appliances is disclosed. It features that the tapping points of lead-out wires are the intermediate points of working windings or the common poi...
70 97192066 Modular core, self-powered powerline sensor
A modular core, self-powered powerline sensor (10) includes a plurality of modular core elements (18, 20, 22) for disposing about an a.c. powerline (12); a winding layer to be energized b...
71 97119959 Automatic metallurgical facilites testing machine
An automatic tester for metallurgical facilities is disclosed. The I/O port, output buffer and decoder are sequentially connected between computer control interface and metallurgical fac...
72 97122407 Apparatus and method for testing non-componented printed circuit boards
A circuit board test apparatus comprises a plurality of circuit board test points. The test apparatus is provided with an electronic analyzer comprising a plurality of test connections, e...
73 97121316 Concentrated intelligent watt-hour meter
The concentrated intelligent watt-hour meter includes triphase house lead-in unit, voltage and current sampling unit, separate measuring unit, user connection unit, display unit, data pr...
74 97106664 Voltage-change detecting circuit and input device of alarm thereof
The voltage fluctuation detection circuit includes operation amplifiers A1 and A2, divider resistors R1, R2, R3, R4 and R5 and capacitor C1. When the voltage of input end is raised to a ...
75 97199051 Energy meter with power quality monitoring and diagnostic system
An electronic meter which automatically detects the service type and voltage to which the meter is installed and which either automatically configures its own programming to the detected ...
76 97180656 Coiled tubing inspection system
A non-destructive inspection system is disclosed for testing oilfield tubulars and particularly for testing coiled tubing. The system includes a support housing and an inspection head (30...
77 97116984 Magnetic microstrip line and its application
The present invention relates to a magnetic film device, especially an operating on magnetic impedance effect and its applictation. The present invention consists of magnetic film micros...
78 97191357 Opening arrangement of ammeter pincers
The invention concerns an opening arrangement of pliers such as a clamp-on probe. The arrangement comprises a fixed pliers jaw (1) carried by a fixed lever (2) and a mobile pliers jaw (3)...
79 97198612 Modular, semiconductor reliability test system
A system (10) for performing semiconductor reliability tests is disclosed including an oven (36) having open axial ends for slideably receiving a board (12). The board (12) includes an ov...
80 97121309 Electrode handle for determining man body resistance
An electrode handle for measuring human body's impedence in simple and comfortable mode has an enlarged part in the axial center of the insulating handle. Two held parts whose width is s...
81 97191561 Method of detecting and locating a high-resistance earth fault in an electric p...
The invention relates to detecting and locating a high-resistance earth fault of an electric power network. In the method, the substation is measured at the neutral point voltage (
82 97199050 Method and apparatus for oscillator compensation in electrical eneryg meter
Methods and apparatus for metering electrical energy are disclosed in an electronic meter which includes a first oscillator for generating a first clock signal within a first accuracy and...
83 97198289 Active control of acoustic output in gradient coils
An acoustically controlled magnetic coil system is provided in which suitable non-magnetic transducers are embedded in a block of acoustic material in which the coil is also embedded, the...
84 97119240 Checking system
A test system, A relay 20, which is connected to handlers 30A, 30B and a tester 40, collects some information on the working condition of these devices, counts the number of objects, and ...
85 97116916 Method for detecting residual capacitance of storage battery
The method for measuring residual charge capacity of cell is characterized by that it makes the cell discharge for a small period of time, and at the same time measures the end voltage v...
86 97116548 Test method of integrated circuit devices by using dual edge clock technique
A test method can test high speed synchronous memory devices by using a tester having a minimum rate and a minimum clock cycle slower than operating speed of the devices to be tested. The...
87 97121363 Memory testing apparatus
There is provided a memory testing apparatus which can read out the information of failure memory cells of a tested memory from a failure analysis memory having the same memory capacity a...
88 97182444 Utility meter providing interface between digital network and home electronics
A utility meter interface apparatus is connected between a utility compagny and a home. The utility meter interface includes a utility meter for measuring utility usage and a computer lo...
89 97198174 Impulse valtage generator circuit
This invention concerns an impulse voltage generator circuit for providing a lightning voltage impulse to test the capacitance of a test piece which has two chargeable stages (1, 2). Each...
90 01121081 Digital current differential system
A method of detecting faults on a power transmission line system includes simultaneously measuring phase current samples at each phase of each transmission terminal; calculating real and ...
91 97191239 Digital current differential system
A method of detecting faults on a power transmission line system includes simultaneously measuring phase current samples at each phase of each transmission terminal; calculating real and ...
92 97116423 Quick screening classifying and short circuit repairing device for battery
The present invention belongs to battery technology field. In the device, SCR or pulse generator through the output of current stabilizing circuit, the battery to be measured is connecte...
93 97118535 Volume spectroscopy having image artifact reduction
Susceptibility artifacts in slice selective volume magnetic resonance spectroscopy are reduced by applying phase encoding at a nominal resolution equal to or larger than the slice selecti...
94 97106595 Method for checking and calibrating three phase electric power instrument
The present invention disclosed a kind of method for checking and ealibrating three phase watt meter, i. e. the so called simgle phase method. It utilizes single phase power source and a...
95 97199385 Determination of fundamental and harmonic oscillations of measured electrical q...
The invention concerns a method to determine fundamental and harmonic oscillations (I
96 97191125 Device for and method of inspecting liquid crystal display panel and method of ...
A novel structure of a device for inspecting liquid crystal display panels. A liquid crystal display panel is almost completely inspected using the device before an IC chip is mounted and...
97 97199581 Method and apparatus for enhancing growth characteristics of seeds using ion-el...
A method and apparatus for treating seeds with self-organized avalanches of electrons between electrodes (11, 12) as a cathode and an anode with seeds between the anode and cathode or on ...
98 97109217 Method and device for checking electric power mutual inductor
The present invention relates to a method for checking power mutual-inductor and its checking device. It is characterized by directly measuring electric current and voltage values of pri...
99 97117739 Method for fabricating rotor and apparatus for testing coil of such rotor used ...
The present invention relates to a method of manufacturing rotors, this being done by mounting a collector on a shaft equipped with an armature, spot welding the tails of wires which exte...
100 97107095 Power-equipment secondary-circuit metering system capable of eleminating meteri...
The power equipment secondary circuit measurment system capable of eliminating measuring error is characterized by that said system uses PT and CT secondary measuring devices for micropo...
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