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7626398 |
System for isolating faults between electrical equipment
A system is disclosed that can be inserted between cable runs of electrical equipment so as to provide access to signal/data lines associated with the electrical equipment. The system includes a...
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7626397 |
High current capable circuit testing closer apparatus and method
A circuit testing closer may include a fault isolating switching device coupled between a supply side and a load side of a power distribution system and a current pulse generator coupled in...
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7616109 |
System and method for detecting detector masking
A system and method is provided for indicating a masking event using transmission wiring delegated for indicating intrusion and tampering events. The method of indicating a masking event utilizes...
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7598750 |
Fluid fitting electromagnetic effects test chamber
An apparatus and method for testing electromagnetic effects. In one advantageous embodiment, the apparatus has a chamber, a door connected to the chamber, a gas supply system attached to the...
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7598747 |
Noise injection apparatus for printed circuit board
A noise injection apparatus for injecting noise to a printed circuit board is disclosed that includes a signal generator that generates noise, a coaxial cable having one end connected to an output...
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7586105 |
Microfabricated cantilever chip
The present invention relates to a device and system from doing mechanical and electrical measurements and manipulation on nano or micro sized objects using a sample holder adapted to fit in situ...
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7576547 |
Measuring array
The measuring array with an earth connection point ( 5 ) for determining the insulation resistance (R iso ) of an energized electrical apparatus or of an installation with a supply voltage U B ...
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7554318 |
Transient reversing voltage detecting circuit
A current balancing circuit includes a voltage detecting circuit having a detecting diode, and a control switch having an input part and an output part, the input part is coupled in series to the...
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7525320 |
Voltage control circuit for endoscope
A voltage control circuit includes a voltage step-up device that steps up an applied voltage to a stepped-up voltage, an electronic device to which the stepped-up voltage is applied, a current...
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7511510 |
Nanoscale fault isolation and measurement system
Disclosed is a fault isolation and measurement system that provides multiple near-field scanning isolation techniques on a common platform. The system incorporates the use of a specialized holder...
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7412344 |
System for synchronously controlling the testing of pluralities of devices and the method of the same
The present invention discloses a system for synchronously controlling the testing of pluralities of devices, comprising a server, a switch coupled to the server, and a testing instrument coupled...
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7391219 |
Chip type electronic component for test, and mounted state test method
A chip type electronic component for test is provided with an element body, and four or more terminal electrodes placed on the exterior of the element body. The element body has a plurality of...
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7276914 |
System and method for guided TDR/TDT computerized tomography
A system for detecting a defect or discontinuity in media or at an interface of the media includes a signal generator; a transmission path coupled to the signal generator, wherein the transmission...
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7272528 |
Reloadable word recognizer for logic analyzer
A test and measurement instrument such as a Logic Analyzer, or the like, has at least one Reloadable Word Recognizer whose reference value can be loaded by a trigger machine with a current acquired...
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7268558 |
Circuit breaker tester including a pulse width modulation circuit
A tester for testing a circuit breaker includes a plurality of load elements each having a nominal fixed impedance and an electronic switch associated with each load element. The electronic switch,...
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7259567 |
Power tester for electrical outlets
A power tester apparatus for testing an electrical outlet. The power tester apparatus includes multiple indicators for identifying the condition of the electrical outlet.
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7190767 |
Telecommunications line test extension apparatus
A method, apparatus and system is provided for testing a communications line. The method comprises removing a repeater from an access case connected to a telecommunications line, connecting a test...
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7148698 |
Fuse saving tester for fused circuit
In one form, tester for an electrical system, such as for a vehicle, develops repetitively applied, short duration, control current pulses for reducing load current pulses through the electrical...
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7127041 |
Simultaneous tracing of multiple phone/data cables
For tracing multi-conductor cable runs from multiple phone/data locations throughout a building or complex to a junction facility where the cables need to be systematically identified and connected...
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7107172 |
Test apparatus and setting method therefor
A test apparatus for testing an electric device includes a plurality of signal input-output units for inputting and/or outputting test signals in response to each of a plurality of terminals...
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7071702 |
Multi-jack detector
A multi-jack detector for detecting states of a plurality of jacks. Each jack comprises a first switch having a first normally closed terminal and a first output terminal. The multi-jack detector...
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7064554 |
Fluorescent light bulb test apparatus and method of use
An apparatus for testing a fluorescent light bulb is disclosed. The apparatus includes a circular housing including a pair of contact receptacles operable to receive two conductive elements of a...
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7035752 |
Semiconductor test data analysis system
A semiconductor test data analysis system ( 1 ) automatically recording, during an analysis operation, operation information of the analysis operation, including analysis conditions or an analysis...
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7030624 |
Electrical circuit tester
An electrical circuit testing device is provided, comprising a case, a digital voltage level testing circuit with a display means, a switch to initiate measurement using the device, a non-shorting...
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7026822 |
High voltage switching matrix for electrical safety compliance test equipment
A high voltage switching matrix for selectively connecting a plurality of different voltage/current sources or inputs with a plurality of different outputs includes a common or shared relay for...
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6979787 |
Article for de-energizing a branch electrical circuit, and related processes
A device for de-energizing an energized branch electrical circuit is described, as well as related processes. The device includes a circuit breaker, which itself includes a breaker switch, an input...
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6967486 |
Two conductor measuring device, method for testing the same and testing system therefor
A two conductor measuring device (MS) is supplied with a current of a current loop, which originates from a source circuit (Q). The source circuit is certified in accordance with a valid standard...
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6960917 |
Methods and apparatus for diagnosing defect locations in electrical paths of connectors of circuit assemblies
In a method for testing continuity of electrical paths through a connector, pairs of contacts of the connector are coupled via a first plurality of passive circuit components. The contacts are also...
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6950782 |
Model-based intelligent diagnostic agent
The present invention provides a multi-level model-based intelligent agent diagnosis system and method for computer-controlled machinery operative to reduce the complexity typically associated with...
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6895563 |
Universal laboratory prototyping interface system
The invention includes a main circuit board which is coupled by a 68 pin SCSI-2 connector to a National Instruments DAQ (PCI-6024E or equivalent) which resides in an expansion slot of a personal...
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6831466 |
Method and system for sensor fault detection
A system and method for controlling operation of a component include using at least two sensors arranged to sense an operating condition of the component. The system further includes a controller...
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6815956 |
Automatic hi-pot, megohmeter and continuity, circuit tester
Provided is an apparatus and method used to perform automatic high potential (hi-pot), megohmeter and continuity, circuit test which includes a power source connected to a central processing unit...
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6777950 |
System and method for verifying wire harness connections in a fuel injector assembly
A system and method for testing whether proper connections ( 30, 34 ) are made between wire harnesses and fuel injector assemblies ( 26 ) includes at least one gripper mechanism ( 44 ) for grasping...
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6753688 |
Interconnect package cluster probe short removal apparatus and method
A method and structure for an electronic circuit test and repair apparatus includes both of at least one wiring analyzer to locate circuit shorts and a current source to provide current sufficient...
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6744260 |
Tester for a plurality of circuit breakers having a range of rated currents and multiple trip functions
A tester for in situ testing of a plurality of circuit breakers having a range of rated currents and multiple trip functions, includes a plurality of power resistors of known impedance, an...
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6731217 |
Electrical circuit tester
An electrical circuit tester for allowing a user to efficiently test electrical fixtures and switches. The electrical circuit tester includes a housing that has a plurality of prongs that extend...
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6720776 |
Instrument with housing having recess for connectors
An electronic instrument with a housing in the form of a rectangular body. The housing has a front panel with a display screen, and opposed side panels extending perpendicularly from the front...
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6693438 |
Self-powered apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources
Arcing faults in an electric power system are detected by sensors powered by the light generated by the arcing even in the presence of background light. The sensors have one or more first...
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6653846 |
Multifunction circuit continuity and sensor tester
A primary, normally open, DC monitoring circuit with a circuit continuity test device is disclosed which will also test one or more additional sensors connected to the circuit. The sensing of lack...
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6624641 |
Air bag simulator and method of simulating an air bag
A portable air bag simulator having a circuit that provides selectable resistance values between 0.5 ohms and 6.0 ohms. The air bag simulator can be used to simulate the resistance of a number of...
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6600325 |
Method and apparatus for probing an integrated circuit through capacitive coupling
One embodiment of the present invention provides a system for capacitively probing electrical signals within an integrated circuit. This system operates by placing a probe conductor in close...
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6598828 |
Integral data acquisition capacity
Provided is a modified configuration that permits operation of instrumentation onboard platforms that may experience severe environmental conditions. The instrumentation permits autonomous...
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6559653 |
Three wire interface for field wiring of on/off sensors
A three-wire sensor interface for field wiring of conventional on/off type control sensors that delivers power to the sensor, provides a normally open control output from the sensor and,...
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6538420 |
Automated run test system having built-in high voltage switching matrix for interconnection to a safety compliance testing instrument
An electrical run test instrument having a connection to a device under test includes a line voltage input, a high voltage input, and a high voltage switching matrix that enables selective...
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6521841 |
Test coupon in printed wiring board
A test coupon is used to evaluate characteristics of multi-layer printed wiring boards. The coupon includes a multi-layer substrate which has at least first and second wiring layers. The first and...
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6515484 |
Electrical test instrument having an improved operator interface
An electrical test instrument includes an improved operator interface capable of including the following features: (i) a pause/prompt feature enable prompts to be displayed during a pause, in order...
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6496016 |
Semiconductor device for use in evaluating integrated circuit device
In an evaluation tool for use in evaluating an LSI, a piezo-diffusion-resistor unit and a temperature monitor unit are disposed close to each other in a first layer, for example, near a corner area...
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6492819 |
High voltage switch and switching process for impulse measurement
A switching assembly for performing impulse measurement testing on each of a plurality of transformer terminals includes a first plurality of single pole, double throw switches and a switch...
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6486678 |
Method for non-destructive analysis of electrical power system equipment
The invention is of a method by which operating mechanical components of an electrical power distribution system may be evaluated to determine whether or not they exhibit operational...
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6483320 |
Portable-type measuring instrument
A portable-type measuring apparatus has an operation unit, a measuring device, a display, an interface, a CPU, a memory, and a case. The operation unit inputs an instruction for measurement. The...
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