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9034667 Apparatus and method for endpoint detection during electronic sample preparation  
A method for detecting an endpoint during removal of material from an electronic device includes while removing material from an electronic device-under-test (DUT) using a tip driven by a spindle,...
9030216 Coaxial four-point probe for low resistance measurements  
Various exemplary embodiments provide probes, systems and methods for measuring an effective electrical resistance/resistivity with high sensitivity. In one embodiment, the measuring system can...
9030220 Voltage tester having alternatively attachable or separable probes  
A tester includes a main body and a removable probe. The main body includes a main body probe and a front panel including selectable options for selecting a tester function. The removable probe...
9024615 Non-contact voltage detector  
A non-contact voltage detection panel mount assembly is provided. The assembly includes a base to mount to an electrical enclosure, the base including of four voltage portals, a test point and a...
9013170 Lightning current detection sensor  
The present invention has an object to provide a lightning current detection sensor that has a configuration resistant to high voltage and high current in a lightning strike and has high...
9000791 Voltage clamping circuit and use thereof  
A voltage clamp circuit for reflecting a voltage at an input node includes a circuit for providing at least two currents at its output terminal, and at least two diodes each being connected to an...
8994361 Finger voltage sensor  
The present invention is a finger voltage sensor that includes a base finger ring worn by a user that works near an electrical source, an electricity sensor disposed on the base finger ring, the...
8990034 Redundancy for improved stack health monitoring reliability  
A health monitoring system for a fuel cell stack using current fuel cell architecture to enable the electronic control unit (ECU) to continue to monitor the health of the fuel cell stack despite a...
8970239 Methods and systems for detecting ESD events in cabled devices  
An audit device according to one embodiment includes a substrate; at least one test element coupled to the substrate; a connector adapted for coupling the at least one test element to leads of a...
8963553 Systems and methods for use in determining hazardous charging conditions  
A charge detection device includes a dielectric member, a base plate coupled to the dielectric member, and a processing unit coupled to the plate. The dielectric member is representative of at...
8957663 Cellular potential measurement container and production method therefor  
A container for measuring cellular electric potential after being mounted on an electric potential measuring device is provided comprising a container and an electrode substrate, the electrode...
8957664 Device and method for detecting crowbar circuit in wind turbine  
A device and a method for detecting a crowbar circuit in a wind turbine are provided, wherein the wind turbine comprises a converter electrically connected to the crowbar circuit, and the method...
8933719 Combined probe head for a vertical probe card and method for assembling and aligning the combined probe head thereof  
A combined probe head being disposed in a space transformer of a vertical probe card is provided, in which the combined probe head is used for differentiating or segmenting a layout area of the...
8922196 Multifunction test instrument probe  
A multifunction test instrument probe includes a housing having a hollow bore with an open end. A clamp plunger is carried in the hollow bore, with a first end including a thumb press, and a...
8924073 Portable maintenance aid based preload test unit and stray voltage detector  
A Portable Maintenance Aid (PMA) having multiple applications for the electrical testing and data acquisition for various air/ground vehicle platforms is disclosed. The PMA includes an interface...
8917084 High voltage sensing mechanism with integrated on-off switch  
The present invention is an efficient high voltage sensing mechanism that operates only when an individual needs to test the voltage across a wire. The present invention attaches around a tested...
8912803 Electrostatic shielding technique on high voltage diodes  
A DC high potential testing meter comprises first and second probes. The first probe comprises an insulated shield supporting an electrode extending from a distal end of the shield. A high voltage...
8912784 Conductive member evaluator and conductive member evaluation method  
A conductive member evaluator includes a first electrode which has contact with an outer circumferential face of a conductive member, a second electrode which is connected to the shaft center of...
8912787 System and method to provide talking feature and interactive voice menu in phasing meters  
A high voltage detection device comprises a probe comprising an electrode for sensing a high voltage electrical line. The electrode is connected in series with a resistor. A meter comprises a...
8905058 Apparatus and method for detection and cessation of unintended gas flow  
A method and apparatus for detecting and preventing electrically induced fires in a gas tubing systems constructed of Corrugated Stainless Steel Tubing (CSST) and Gas Appliance Connectors (GAC)....
8901915 Voltage or contact closure sensor  
An external signal sensor uses a single sensing circuit to detect a DC voltage or an AC voltage or a contact closure. The circuit can sense different isolated signals with relatively low power...
8894804 Plasma unconfinement sensor and methods thereof  
An arrangement within a plasma reactor for detecting a plasma unconfinement event is provided. The arrangement includes a sensor, which is a capacitive-based sensor implemented within the plasma...
8890704 Method and apparatus for monitoring transient electrical strikes  
A transient electrical energy strike detector is disclosed. The detector may be integral with the circuitry of a fire alarm panel of a fire alarm system and may identify and record transient...
8884605 Detecting circuit  
A detecting circuit for detecting a feedback voltage of a pixel circuit includes a converting unit, a control chip and a display unit. The converting unit electrically connected to the pixel...
8866492 Manufacturing method, switching apparatus, transmission line switching apparatus, and test apparatus  
An actuator is manufactured that includes piezoelectric film that does not suffer physical damage. Provided is a manufacturing method comprising first insulating layer deposition of depositing a...
8860402 Electromagnetic field detection systems and methods  
Detectors and other apparatus for determining the presence of electromagnetic events are disclosed. One such system includes an electromagnetically shielded enclosure and a detector configured to...
8862435 Intelligent electronic device with enhanced power quality monitoring and communication capabilities  
An intelligent electronic device (IED) has enhanced power quality and communications capabilities. The power meter can perform energy analysis by waveform capture, detect transient on the front...
8841964 Apparatus and method for demodulating an input signal  
An apparatus for demodulating an input signal that includes a frequency detector for tracking a frequency of the input signal, an oscillator and a mixer is disclosed. The input signal and an...
8841898 Method and apparatus for detecting a lightning strike  
Described herein is a self-powered system for detecting a current spike. The current spike is delivered through a current return network that energizes a resonant circuit to produce an alternating...
8839461 Potential measurement device and atomic force microscope  
A device includes: an electrode; a displacement measurement unit outputting voltage corresponding to electrostatic force between the electrode and a sample; a first power supply applying a first...
8829921 Alternating current voltage detection circuit  
An AC voltage detection circuit includes a conversion module, a comparison module, and a prompt module. The conversion module connects to an AC power source and converts the AC voltage provided by...
8786273 System and method for improving accuracy of high voltage phasing voltmeters  
A high voltage phasing voltmeter comprises first and second probes. Each probe comprises an insulated handheld shield supporting an electrode for contacting a high voltage electrical conductor....
8779751 Switching apparatus and test apparatus  
To restrict a bowing amount of a piezoelectric actuator, provided is a switching apparatus comprising a contact point section including a first contact point; and an actuator that moves a second...
8773107 Electromagnetic field detection systems and methods  
A method and apparatus configured to detect electromagnetic field events are disclosed. One apparatus includes an antenna and a circuit electrically connected to the antenna. The circuit includes...
8766621 Analog input module for a programmable logic controller  
An analog input module for a programmable logic controller, wherein the analog input module has a ground potential, and includes a channel output configured at a first electrical potential, a...
8760150 Electrical power transfer indicator system and method  
Power transfer over power lines is indicated using a controller to short power lines briefly near the end of the positive portion of the alternating voltage cycle of a distant power generation...
8760146 Safety interlock  
A safety interlock for use in a medical device having a control system for controlling operation of the medical device includes a central tubular portion defining a fluid passage for passing fluid...
8754635 DC decoupled current measurement  
A circuit arrangement for measuring a load current provided to a load via a first load terminal of a load transistor is disclosed. In accordance with one example of the invention, the circuit...
8717053 DC-AC probe card topology  
A DC-AC probe card for testing a DUT includes: a plurality of probe needles, each probe needle having a distal end for contacting said DUT; and a plurality of connection pathways operable to...
8666688 High speed digital transient waveform detection system and method for use in an intelligent electronic device  
A system and a method is provided for the detection and capture, and in particular for an ultra high speed detection and capture, of transients in input voltages by an intelligent electronic...
8653822 Chopperless ambient electric field sensor  
A chopperless ambient field apparatus and method is described having top and bottom sensing plates; a transistor-based device having first, second and third terminals; a first signal line coupled...
8633683 Apparatus with abnormality determination function and method for determining abnormality  
The apparatus is provided with an abnormality determination means for determining abnormality of the apparatus where two different combinations of two electrodes are selected from the three...
8633699 Techniques for determining physical properties of underground structures using lightning  
A method and apparatus includes detecting lightning induced electromagnetic pulses and determining a physical property of an underground structure based on the lightning induced electromagnetic...
8595919 Silicon chicklet pedestal  
A silicon chicklet pedestal for use in a wafer-level test probe of a wafer is provided and includes a main body, first and second opposing faces, and an array of vias formed through the main body...
8598864 Apparatus and method for monitoring and controlling detection of stray voltage anomalies  
Apparatus and methods for detecting stray voltage anomalies in electric fields are provided herein. In some embodiments, an apparatus for detecting an electrical field may comprise: at least one...
8575942 Non-contacting method and apparatus for determining contact voltage sources and providing a warning for same  
This invention relates to non-contact measurement methods and an apparatus for the identification of hazardous contact voltages on energized objects and surfaces. The apparatus includes an...
8577544 Method for examining a state of an electric circuit of a motor vehicle  
In a method for examining a state of a circuit of a motor vehicle, a state for the circuit is requested, whereafter it is checked whether the requested state is actually set. An actual value for a...
8564308 Signal acquisition system having reduced probe loading of a device under test  
A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable of the...
8536856 Apparatus and method for monitoring and controlling detection of stray voltage anomalies  
Apparatus and methods for detecting stray voltage anomalies in electric fields are provided herein. In some embodiments, an apparatus for detecting an electrical field may comprise: at least one...
8525507 Method and system for monitoring external excitation on a surface using nanocomposite paint  
The present invention provides a method and system for monitoring external excitation on a surface using nanocomposite paint. The method comprises applying the nanocomposite paint on the surface,...