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US20150084654 INSULATION RESISTANCE MEASUREMENT FOR INVERTERS  
During measuring an insulation resistance for an inverter having at least one half-bridge including two active switching elements for driving an output current, and a DC link voltage, a center...
US20140354309 Portable Spa Monitoring and Control Circuitry  
Control circuitry for controlling a spa water heater, wherein a microcontroller is configured to detect zero crossings of an A.C. line voltage from a voltage sense signal, to cause closing of a...
US20140152292 DECOMPOSITION AND MITIGATION OF A DISTURBANCE BEING PRESENT AT AN ELECTRIC CONNECTION BETWEEN AN ELECTRIC POWER GENERATING SYSTEM AND A POWER GRID  
A disturbance on an electric signal at an electric connection between an electric power generating system and a power grid is decomposed into a first disturbance with a first strength assigned to...
US20140320153 Oscilloscope Current Probe with Interchangeable Range and Sensitivity Setting Modules  
An oscilloscope current probe system includes a probe amplifier unit, a probe head identifier, and first and second probe heads interchangeably connectable to the probe amplifier unit. Each probe...
US20140035604 DEVICE AND METHOD FOR DISPENSING FLUID FROM AN INFUSION PUMP  
The present disclosure is directed towards a compact, modular infusion pump and a delivery mechanism for accurate dispensing of very small amounts of medication. The infusion pump comprises a...
US20150002077 ELECTRONIC DEVICE CAPABLE OF TESTING USB CABLE AND METHOD FOR TESTING USB CABLE  
The present disclosure provides a method for testing a USB cable applied in an electronic device. The electronic device includes a battery charged by a charger via the USB cable. The method can...
US20120274343 Method for Measuring the Electrical Resistance of a Glow Plug  
The invention relates to a method for measuring the electrical resistance of a glow plug, wherein a test current is set by closed-loop control to a constant value using a constant-current source,...
US20120313654 Voltage Detection Method and Voltage Detector Circuit  
A voltage detection method for detecting a voltage source includes generating a first voltage with a first negative temperature coefficient, wherein the first voltage is related to the voltage...
US20140145737 METHOD FOR CORRECTING THE VOLTAGE MEASURED ACROSS THE TERMINALS OF A SENSOR  
A method for correcting measurement of a voltage across output terminals of a sensor, the sensor configured to be assimilated with an assembly including a generator and a series resistance, each...
US20150168468 LOW gds MEASUREMENT METHODOLOGY FOR MOS  
A dummy MOSFET is connected in series with a device under test to form cascode structure. The conductance of the low conductance MOSFET is derived from the measurements done on the cascode...
US20110309847 High Current Kelvin Connections and Contact Resistance Verification Method  
A method and circuit is provided for implementing high current capability Kelvin connections and measuring the resistance of the contacts and connections to verify that the conducting path is...
US20130093444 Remote Sensing of PD-Side Voltage in 4-Pair PoE Applications for Estimating Cable Resistance  
Provided is a system and associated method for detecting a resistance of a cable. An example method may comprise applying power to a first end of a first and a second conductive pair of the cable,...
US20140354308 INPUT STAGE FOR TEMPERATURE MEASUREMENT SYSTEM  
A temperature-measurement input stage is disclosed. In accordance with some embodiments of the present disclosure, a temperature-measurement input stage may comprise a resistor, a thermistor, a...
US20130099807 LOAD IMPEDANCE DETECTION FOR STATIC OR DYNAMIC ADJUSTMENT OF PASSIVE LOADS  
This disclosure provides systems, methods and apparatus for detecting an impedance of a wireless power transmitter load. In one aspect, a method of determining a reactive condition of a wireless...
US20140009178 IMPEDANCE MEASURING DEVICE  
An impedance measuring device for an electronic component includes a constant voltage source, a load supplying circuit, a voltage detection circuit, and a controller. The constant voltage source...
US20140191774 APPARATUS AND A METHOD FOR TESTING WINDING RESISTANCES OF TRANSFORMERS  
The present invention relates to an apparatus for measuring winding resistances of windings in a delta-connected transformer, comprising at least a first and a second DC current source (S1, S2)...
US20150002179 VOLTAGE DETECTOR, ELECTRONIC DEVICE, AND CONTROL METHOD OF VOLTAGE DETECTOR  
There is provided a voltage detector including a reference voltage generator that generates a constant reference voltage when a power supply voltage is higher than a predetermined threshold...
US20120140956 DIFFERENTIAL MICROPHONE CIRCUIT  
There is provided an electret microphone comprising a junction gate-field-effect transistor (JFET) and a bias resistor connected to the JFET and supplying current to the JFET, whereby an...
US20150260769 Contact-Independent Electrical Conductance Measurement  
Electrical conductance measurement system including a one-dimensional semiconducting channel, with electrical conductance sensitive to electrostatic fluctuations, in a circuit for measuring...
US20130207678 Electrical Combiner Box With Improved Functionality  
A combiner box capable of monitoring energy output from a photovoltaic system and having improved troubleshooting functionality, the ability to independently verify utility charges, and a...
US20110193578 SYSTEM AND METHOD FOR SENSING AN AMPLIFIER LOAD CURRENT  
A system and method for sensing a load current that flows from an amplifier into a load of the amplifier involves obtaining a voltage drop across internal impedance of the amplifier and computing...
US20130038341 CONTACTOR HEALTH MONITOR CIRCUIT AND METHOD  
In one possible implementation, a method is provided for determining contactor health including measuring a differential voltage between a first utility line voltage and a second utility line...
US20120007613 CURRENT SENSING ON A MOSFET  
A device having a switch with a voltage applied across the switch. A current sensing circuit is connected to one terminal of the switch. The current sensing circuit receives power independently of...
US20120306516 VOLTAGE DETECTION CIRCUIT, ECU, AUTOMOBILE WITH ECU  
According to an embodiment, the threshold value generation unit generates a setting voltage and converts the setting voltage to a first current. One end of the first resistor is connected to a...
US20060290361 A semiconductor integrated circuit tester channel with selective bypass circuitry  
A tester channel including a selective bypass circuit. The selective bypass circuit includes a capacitor, two ferrite beads, and a solid-state relay. The capacitor is connected between a pin...
US20120249160 REPLACEMENT-GATE-COMPATIBLE PROGRAMMABLE ELECTRICAL ANTIFUSE  
After planarization of a gate level dielectric layer, a dummy structure is removed to form a recess. A first conductive material layer and an amorphous metal oxide are deposited into the recess...
US20110012629 REPLACEMENT-GATE-COMPATIBLE PROGRAMMABLE ELECTRICAL ANTIFUSE  
After planarization of a gate level dielectric layer, a dummy structure is removed to form a recess. A first conductive material layer and an amorphous metal oxide are deposited into the recess...
US20130127481 Cable Resistance Determination in High-Power PoE Networks  
An exemplary implementation of the present disclosure is a power sourcing equipment (PSE) for determining a resistance of a powered cable. The PSE includes a first supply voltage to cause a first...
US20110193579 DETERMINATION OF PHYSICAL CONNECTIVITY STATUS OF DEVICES BASED ON ELECTRICAL MEASUREMENT  
Embodiments of the invention are generally directed to determination of physical connectivity status of devices based on electrical measurement. An embodiment of a method includes discovering a...
US20130215056 METHOD FOR DETERMINING A SENSOR VALUE AND SENSOR SYSTEM  
For determining a sensor value of a sensor (13), a first electrical supply voltage (VS1) is supplied to the sensor (13) and a first electrical resistance of the sensor (13) is detected. Then, a...
US20140278174 METHOD OF CONNECTING CELL VOLTAGE SENSORS  
A battery pack monitoring apparatus is provided. The apparatus includes a voltage measurement system configured to couple to opposed ends of each of a plurality of blocks of a battery pack and to...
US20130009655 Current sensor  
An apparatus and method make use of a single shunt and two or more instrumentation amplifiers, switchably measuring voltages at the shunt. This permits current measurement. At times each...
US20120268147 STRUCTURE FOR MEASURING BUMP RESISTANCE AND PACKAGE SUBSTRATE COMPRISING THE SAME  
A structure for measuring bump resistance and a package substrate comprising the same are disclosed, the structure for measuring bump resistance of the present invention comprises: plural...
US20140292360 BROADBAND DIRECTIONAL COUPLER  
A broadband directional coupler for measuring a power of a forward or returning high-frequency signal on a coaxial line provides a voltage splitter comprising a first resistor, a second resistor...
US20150084653 CURRENT SOURCE DRIVEN MEASUREMENT AND MODELING  
A method and apparatus for testing integrated circuit resistors includes applying a variable source current to a resistive device under test (DUT), measuring the resistance of the resistive DUT as...
US20060119371 Semiconductor device and evaluation circuit for the same  
An evaluation circuit includes an evaluation pad and a first inverter circuit connected to a first measurement point and a second measurement point to be jointed to first and second power sources,...
US20140375342 A BI-DIRECTIONAL INPUT, BI-DIRECTIONAL OUTPUT, LOSSLESS CURRENT SENSING SCHEME WITH TEMPERATURE COMPENSATION  
A sensing circuit for a power PET. A first sensing FET senses current flow from load to ground. A second sensing FET senses current flow from ground to load. The current flows are converted to...
US20130154672 Method and System for Battery Current Measurement Calibration  
A sensor for monitoring battery current includes a shunt and a current source. The shunt has a resistance with an actual value. The current source is configured to provide a known value of current...
US20120212243 Synthesized Current Sense Resistor for Wide Current Sense Range  
A circuit has a first sense resistor circuit having components including a first-circuit active element to provide a sense resistance to sense a current in a load in series therewith, the sense...
US20120223728 METHOD AND SYSTEM THAT DETERMINES THE VALUE OF A RESISTOR IN LINEAR AND NON-LINEAR RESISTOR SETS  
The present subject matter refers to apparatus and methods for identifying a resistance level of a resistor. In an example, circuit configured to identify a resistor can include a plurality of...
US20140225632 AUDIO JACK DETECTOR AND AUDIO JACK DETECTING METHOD  
A jack detector detects a combination state between a socket including a detecting pin and a first signal pin and a jack. The jack detector includes a first current source for supplying a first...
US20090128170 PRINT MEDIA DETECTING MODULE  
A print medium detecting module includes a first conductive unit, a second conductive unit and a detector. The first conductive unit is coupled to a first reference voltage level. The detector has...
US20140347078 CURRENT SENSING OF SWITCHING POWER REGULATORS  
Apparatus and methods for current sensing in switching regulators are disclosed. In certain implementations, a current sensing circuit senses current of a power stage of a power converter. The...
US20130069677 ELECTROSTATIC SHIELDING TECHNIQUE ON HIGH VOLTAGE RESISTOR  
A phasing voltage meter comprises first and second probes. Each probe comprises an insulated shield supporting an electrode for contacting a high voltage electrical conductor. The shield houses a...
US20140167797 CURRENT MONITORING CIRCUITS AND METHODS  
Various automatic range scaling solutions for smart power switches are provided, to enable current monitoring across a wide dynamic range. In preferred examples, use is made of current sensing...
US20150006095 Element Resistance Measurement in an Electricity Meter  
A method measures a resistance of an element that is operably coupled to receive an AC line voltage. The method includes obtaining a first voltage measurement value V1A from a first side of the...
US20150022225 ELECTRONIC DEVICE AND CURRENT MONITORING METHOD  
An electronic device includes: a detection circuit to detect a voltage difference between both ends of a wiring portion which is at least a portion of a power supply wiring that connects a power...
US20090294805 Virtual semiconductor nanowire, and methods of using same  
A multiple-gate field-effect transistor includes a fluid in a top gate, two lateral gates, and a bottom gate. The multiple-gate field-effect transistor also includes a patterned depletion zone and...
US20130271165 OUTPUT IMPEDANCE TESTING DEVICE  
A device that tests an output impedance of a voltage regulator module (VRM) includes a controller, a current regulating circuit, a voltage sampling circuit, and a current sampling circuit. The...
US20110128019 Method and circuitry for identifying plug type  
This method is applied to a dual-use jack of an electronic device. Either a headphone plug or a line output plug is inserted into the dual-use jack. The method determines the type of a plug...
Matches 1 - 50 out of 181 1 2 3 4 >