Matches 1 - 50 out of 140 1 2 3 >


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US20140111231 SYSTEMS AND METHODS UTILIZING CARBON NANOFIBER AGGREGATE FOR PERFORMANCE MONITORING OF CONCRETE STRUCTURES  
A carbon nanofiber aggregate (CNFA) system and method provides self-sensing capabilities that can be used to detect strain, moisture, and temperature changes. The CNFA may include cement,...
US20110115507 POWER DELIVERY CIRCUIT MONITORING  
A power delivery circuit comprising power delivery components and a load (ZT) terminal, detectors for measuring voltages at two or more measuring nodes (V1, V3) of the power delivery circuit, and...
US20110257910 Method for Calibrating a Motor Control Circuit to Improve Temperature Measurement in an Electrical Motor  
A method enables adjustment of a current sense voltage for accurate measurement of an operating temperature for an electrical motor. The method includes identifying a DC input voltage to a motor...
US20120319707 SELF-MONITORING POWER SUPPLY CORD AND OPERATING EQUIPMENT  
The invention relates to a power supply cord with at least two conductors N, L for transferring a supply voltage with two protective earths insulated from one another, which at the first end are...
US20110169513 WIDE ACTIVATION ANGLE PINCH SENSOR SECTION AND SENSOR HOOK-ON ATTACHMENT PRINCIPLE  
A resistive pinch sensor utilizing electrically conductive wires encapsulated in a resiliently deformable casing. A pinch is detected when one of the wires, which is normally separated by an air...
US20130229195 POTENTIOMETER DEGRADATION EVALUATING METHOD  
In a method for evaluating degradation of a potentiometer, a plurality of evaluation items, from minor to major, are established as evaluation items for degradation in performance prior to failure...
US20110254563 CONNECTOR MONITORING ASSEMBLY AND A DETECTOR ASSEMBLY INCLUDING THE SAME  
A method of monitoring the voltage transmitted through a pair of electrical connector devices is provided. The pair of electrical connector devices include a source connector coupled to a power...
US20130207736 RESISTANCE MEASURING CIRCUIT, RESISTANCE MEASURING METHOD, AND IMPEDANCE CONTROL CIRCUIT  
A resistance measuring method includes: measuring a resistance value of a first path which is formed from an interface pad through a resistor unit to a ground node; measuring a resistance value of...
US20140216384 METHOD OF DIAGNOSING GLOW PLUG AND GLOW PLUG DRIVE CONTROL DEVICE  
It is possible to determine the presence or absence of the degradation and abnormality of a glow plug with high reliability using a relatively simply procedure. A method enables the determination...
US20130221996 USER INTERACTIVE LIVING ORGANISMS  
Embodiments described herein use capacitive sensing to detect human interaction with living plants. A sensing system may utilize the natural conductive paths found in an organic plant to transmit...
US20130221995 SENSE AMPLIFIER  
An amplifying circuit comprises a bias circuit, a reference circuit, a first circuit, and an amplifying sub-circuit. The bias circuit is configured to provide a bias current. The reference circuit...
US20110210758 VOLTAGE DETECTOR CIRCUIT  
A voltage detector circuit of the present invention includes a power supply voltage monitor that generates a monitored voltage resulting from dividing a power supply voltage, which is supplied...
US20130207668 Simplified Resistance Based Belt Inspection  
A resistance circuit for monitoring a support structure is provided. The resistance circuit may include a first set of resistors disposed at a belt-side and a second set of resistors disposed at a...
US20120059611 TEST CIRCUIT FOR TESTING FLEXIBLE PRINTED CIRCUIT  
A test circuit for testing a flexible printed board (FPC) is provided, the test circuit includes a parameter preset module, a comparison module, and a prompt module. The parameter preset module is...
US20130285970 TOUCH SENSOR USING GRAPHENE FOR SIMULTANEOUSLY DETECTING A PRESSURE AND A POSITION  
A touch sensor capable of specifying a touch position and/or a degree of a touch pressure by using graphene as an electrode and/or a strain gauge, and more particular, a touch sensor capable of...
US20140076449 Sense and Hold Circuit for Hose Assembly  
A monitoring circuit for detecting degradation of a hose assembly a hose assembly and a hose assembly incorporating such a monitoring circuit are disclosed. The monitoring circuit includes a...
US20110291678 Low Power Metering Using Pulse Counting  
A metering system can include a pull up circuit to be selectively coupled between a voltage node and a metering line that communicates a signal indicative of status of a flow line through which a...
US20130125617 GAS SENSOR WITH COMPENSATIONS FOR BASELINE VARIATIONS  
Reliable, fast and inexpensive breath gas detector systems for medical diagnostics, including personal, handheld monitoring devices for a variety of diseases and conditions, including, for...
US20120119763 Circuits and Methods for Sensing Resistance  
Embodiments of the present invention include circuits and methods for sensing resistance. In one embodiment, a current is generated into a node. The node is coupled to a first terminal of a...
US20100026326 Resistance Sensing for Defeating Microchip Exploitation  
A method, program product and apparatus include resistance structures positioned proximate security sensitive microchip circuitry. Alteration in the position, makeup or arrangement of the...
US20130043894 METHOD AND ARRANGEMENT FOR DETERMINING IMPEDANCE VALUES  
A method and an arrangement are provided for determining values of impedance parameters related to a transformer configuration including three single pole voltage transformers each respectively...
US20120277642 SYSTEM AND METHOD FOR AUTOMATED DETECTION OF BATTERY INSERT  
A rechargeable power cell having no voltage across its positive and negative power terminals unless the power cell is inserted into a device configured to accept the power cell is described. The...
US20110050260 ELECTRIC CURRENT MEASURING DEVICE WITH IMPROVED INSTALLABILITY  
In a current measuring device for measuring an electric current flowing through between a terminal of a battery and a wire, a resistance member has a length and first and second ends in a...
US20130147498 VEHICLE CRASH DETECTION DEVICE  
A metal plate (14) is buried in a gasket (12) of a case (10) for accommodating an electric device such as an inverter. The metal plate (14) is connected to a control board (400) in the case (10),...
US20130096859 RESISTANCE DETERMINING SYSTEM  
A resistance determining device configured for determining a resistance for a digital power supply control microchip includes a digital potentiometer and a controller. The digital potentiometer is...
US20150035553 VOLTAGE SENSOR DEVICE  
An exemplary voltage sensor device includes at least one high voltage segment and at least one low voltage impedance element. In order to enhance the power dissipation due to impedances spread...
US20120262195 RESISTANCE DETERMINING SYSTEM AND METHOD  
A resistance determining system is used to determine an offsetting resistance of a mainboard to establish a predetermined offset voltage. The system includes an input equipment, a single-chip, and...
US20110241710 METHOD FOR CHARACTERIZING DIELECTRIC LOSS TANGENT  
A method for characterizing dielectric loss tangent of a dielectric material. The method includes: introducing an incident wave in a mismatched transmission line; measuring a first insertion loss...
US20130021046 AUDIO JACK DETECTION CIRCUIT  
This document discusses, among other things, a detection system configured to identify a type of a pole of a four-pole audio jack using first and second comparators. The detection system can...
US20130265065 METHOD AND APPARATUS FOR DETECTING A GLOWING CONTACT IN A POWER CIRCUIT  
A method detects a glowing contact in a power circuit. The method applies at least two different resistance values across the power circuit and responsively senses at least two voltages across the...
US20130002271 METHOD AND SYSTEM FOR CONTAMINATION SIGNATURE DETECTION DIAGNOSTICS OF A PARTICULATE MATTER SENSOR  
A diagnostic method and system is described for diagnosing an operating condition of a conductive particulate matter sensor. The sensor has a substrate with electrical resistance that varies with...
US20130314110 Analog-to-Digital Converter With Power Supply-Based Reference  
A measurement circuit is provided for measuring the resistance of a variable resistance element biased with an external voltage supply. The measurement circuit includes an analog-to-digital...
US20140028335 SECURITY WRAP WITH BREAKABLE CONDUCTORS  
A security wrap (20) for protecting an electronic component includes a substrate (22) having a first side and a second side opposite to each other. A security screen (26) is disposed over the...
US20130342029 CONTROLLER FOR USE WITH A MECHANICAL SWITCH  
Embodiments of the present invention relate to a controller (1) for use with a mechanical switch (2). The controller (1) comprises at least one sensor (9), an actuator and at least one attachment...
US20150130483 DIFFERENTIAL AMPLIFIER DESIGN AS THE PREAMP OF DMM  
An amplifying circuit comprises a differential input stage having a first input terminal, a second input terminal, and an intermediate node, wherein the differential input stage is configured to...
US20100301883 Method and Apparatus for Detecting a Fault in a Neutral Return Line of an Electrical Network  
Apparatus is disclosed for detecting a discontinuity or irregularity in a neutral return line of an electrical power distribution network including the neutral return line, an active line and an...
US20130134998 POWER LINE VOLTAGE MEASUREMENT USING A DISTRIBUTED RESISTANCE CONDUCTOR  
A system for measuring electrical properties of a power line comprising a first wire and a second wire. The system comprises a sensor unit configured for connection to the first wire; and an...
US20110140723 SEATING SENSING DEVICE AND METHOD OF THE SAME  
A seating sensing device embedded in a seat includes: a variable resistance unit generating resistance values corresponding to the circumference of the seat through a plurality of conductive...
US20140191773 CONTROL DEVICE FOR OXYGEN CONCENTRATION SENSOR  
A control device for controlling an oxygen concentration sensor includes: a voltage sweeping unit for applying a voltage to the sensor for a time interval during an impedance detection process; a...
US20120194204 MINUTE IMPEDANCE VARIATION DETECTION DEVICE  
A minute impedance variation detection device includes a differential amplifier, first and second impedances, a sensing electrode and a signal source. The differential amplifier has first and...
US20130106448 TEST KEY STRUCTURE AND METHOD FOR MEASURING STEP HEIGHT BY SUCH TEST KEY STRUCTURE  
A test key structure for use in measuring step height includes a substrate, and a pair of test contacts. The substrate includes an isolation region and a diffusion region. The test contact pair...
US20100117666 Method and System for Internal Standardization of Assays  
Internal standard concentration is normalized as an independent parameter through measuring a buffer conductance in a system with characterized reagents and in a defined assay device. The...
US20130002265 Methods and Devices for Determining Sensing Device Usability  
Methods and devices for determining device usability, e.g., for point of care assay devices. In one embodiment, the invention is to a method of determining device usability in a sensing device,...
US20120007618 Method and Device for Position Detection with Palm Rejection  
A method and the device for palm ignoring disclosed. The device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of strips intersecting...
US20110148443 METHOD AND EQUIPMENT FOR MONITORING THE CURRENT DRAINED BY THE GROUNDING ELECTRODE IN ELECTRIC IMPEDANCE TOMOGRAPHY  
There are disclosed a method and an equipment for monitoring the current drained by the grounding electrode in an electric impedance tomography system, the said grounding electrode (16) and the...
US20120198183 SUCCESSIVE APPROXIMATION RESISTOR DETECTION  
An apparatus comprises a connector configured to receive an electrical contact of an accessory device that is electrically coupled to a resistor of the accessory device, a current source...
US20120206156 SENSOR AND METHOD FOR SENSING AT LEAST ONE ANALYTE USING SUCH SENSOR  
A sensor is disclosed. In one aspect, the sensor includes at least one resistive switching sensing element which has a resistive switching layer that can be switched from a high resistance state...
US20140159753 ONLINE ALTERNATING CURRENT DETECTION DEVICE AND METHOD  
Disclosed are an online alternating current detection device and method. The method includes the following steps: firstly fixedly connecting two sampling points to a segment of wire; amplifying...
US20110169493 Identification of a Defective Filament in a Fluorescent Lamp  
Control of delivery of current through one or more discharge lamps. Methods include alternately switching on and off switching elements that control a fluorescent lamp, in response to receiving...
US20140191772 DIFFERENTIAL CURRENT SENSOR  
The invention relates to a differential current sensor for measuring a differential current (ΔI) between an electric current (IH) through a delivery conductor (H) and an electric current (IR)...

Matches 1 - 50 out of 140 1 2 3 >