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US20110277443 ELECTRIC DE-ICING DEVICE AND RELATED MONITORING SYSTEM  
The invention relates to a de-icing device for an element of a nacelle of a turbojet engine, including at least one heating resistant mat connected to at least one electrical power source (3) 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...
US20120223733 Solar Cell Characterization System with an Automated Continuous Neutral Density Filter  
Techniques for solar cell electrical characterization are provided. In one aspect, a solar testing device is provided. The device includes a solar simulator; and a continuous neutral density...
US20120154140 WIRELESS REMOTE DETECTOR SYSTEMS AND METHODS  
A system is provided that includes: a sensor device adapted to selectively monitor a plurality of sensors including an electrical sensor adapted to monitor at least one electrical parameter...
US20120278051 ANOMALY DETECTION, FORECASTING AND ROOT CAUSE ANALYSIS OF ENERGY CONSUMPTION FOR A PORTFOLIO OF BUILDINGS USING MULTI-STEP STATISTICAL MODELING  
Multi-step statistical modeling in one embodiment of the present disclosure enables anomaly detection, forecasting and/or root cause analysis of the energy consumption for a portfolio of buildings...
US20130176040 CAPACITIVE WIRE SENSING FOR FURNITURE  
A system and method for incorporating presence-sensing technology into furniture is provided. More particularly, the invention relates to incorporating a conductive medium into the periphery of a...
US20140244194 TEST APPARATUS OF DISPLAY, METHOD AND COMPUTER READABLE MEDIUM  
A test apparatus for a display includes an interface transmitting characteristic information including a resolution of the display unit and each equivalent model of a plurality of pixels, a...
US20130191056 METHOD OF DETERMINING PWM VALUES FOR LED MODULES  
A method for obtaining PWM values for an LED module having n LED chips from various color ranges, wherein n>1, wherein for each LED chip a PWM value for producing a target color value is obtained,...
US20110202294 High voltage impulse test system with a correction algorithm  
A correction algorithm is used in order to reduce the systematic measurement error arising from the evaluation device of an impulse voltage test system. It is advantageous to install the...
US20110153242 THERMOCOUPLE MEASUREMENT IN A CURRENT CARRYING PATH  
A method of measuring a temperature of a wire and a current flowing through the wire with a thermocouple includes taking a first voltage reading from the thermocouple with the current at a first...
US20140025325 Voltage Level-Shifting  
Methods and implementation of low-power power-on control circuits are disclosed. In a particular embodiment, a computer readable tangible medium stores instructions executable by a computer. The...
US20120130654 ELECTRICAL NETWORKS AND METHODS OF FORMING THE SAME  
Electrical networks are formed to produce an approximation of at least one desired performance characteristic, based on the recognition that fabrication variations introduce slight differences in...
US20110191042 SYSTEM AND METHODS FOR EXTRACTING CORRELATION CURVES FOR AN ORGANIC LIGHT EMITTING DEVICE  
A system and method for determining and applying characterization correlation curves for aging effects on an organic light organic light emitting device (OLED) based pixel is disclosed. A first...
US20150226787 INSULATED-GATE BIPOLAR TRANSISTOR COLLECTOR-EMITTER SATURATION VOLTAGE MEASUREMENT  
In one example, a method includes determining that an insulated-gate bipolar transistor (IGBT) is saturated, and while the IGBT is saturated, determining a collector-emitter saturation voltage...
US20130155744 Method and Device for Determining the Value of a Characteristic Quantity of a System for Powering a Load  
This method determines the value of a characteristic quantity (U1dc, U2dc) of a system for powering a load which comprises M DC-DC converters, connected in series to the terminals of the load and...
US20140350878 VOLTAGE MEASURING DEVICE  
Provided is a voltage measuring device capable of increasing the degree of freedom in the design of an RC filter (low-pass filter) while suppressing the withstand voltage limit of a capacitor. The...
US20130035886 METHOD AND ARRANGEMENT FOR VOLTAGE MEASUREMENT  
A method and an arrangement for voltage measurement with a transformer configuration comprising three single pole voltage transformers having tertiary windings open-delta connected with each...
US20120226383 Low Maintenance Spa Control System  
A spa control system designed to reduce maintenance cost by providing modular construction for major control functions, with built-in diagnostic capabilities for isolating defective spa...
US20110153244 Individualized self-monitoring system for transformers in power measurement installations and method of self-monitoring and diagnosis of transformers in power measurement installations  
The present invention relates to an individualized self-monitoring system for transformers (31, 33) in a electric power measurement installation that comprises at least a transformer (31, 33) and...
US20150120227 FACILITY SELECTION SUPPORTING METHOD AND FACILITY SELECTION SUPPORTING DEVICE  
A facility selection supporting device calculates a total current value of consumers located in and after a certain power supply section on the way from a distribution substation to a particular...
US20120010832 MONITORING METHOD AND MONITORING DEVICE FOR AN ELECTROSTATIC COATING PLANT  
Exemplary monitoring methods and monitoring devices are disclosed, e.g., for an electrostatic coating plant which coats components with a coating agent that is electrically charged by means of a...
US20120245872 BATTERY TESTER WITH HIGH PRECISION  
The present invention discloses a battery tester having high precision, which has a casing having an input device and two detecting wires, a microprocessor, a variable loading unit and a battery...
US20110026806 Detecting Chip Alterations with Light Emission  
An emission map of a circuit to be tested for alterations is obtained by measuring the physical circuit to be tested. An emission map of a reference circuit is obtained by measuring a physical...
US20130073237 SUBMERSION DETECTION CIRCUIT AND SUBMERSION DETECTION APPARATUS USING THE SAME  
A submersion detection circuit includes a power source unit, a reference resistor connected between the power source unit and a voltage measurement node, a submersion unit configured to include a...
US20110246110 SIMPLE AND STABLE REFERENCE FOR IR-DROP AND SUPPLY NOISE MEASUREMENTS  
Apparatus and method for IR-drop and supply noise measurements electronic circuits. A first voltage at a point of interest in the circuit is sampled and stored during a quiescent mode of the...
US20130006556 SOLAR SIMULATOR LIGHT-AMOUNT EVALUATION APPARATUS, SOLAR SIMULATOR LIGHT-AMOUNT EVALUATION METHOD, SOLAR CELL EVALUATION APPARATUS, AND SOLAR CELL EVALUATION METHOD  
The provided solar simulator light-intensity evaluation apparatus and method can evaluate the characteristics of a solar cell in an arbitrary place at an arbitrary time and date, using an existing...
US20110166716 INTEGRATED AND OPTIMIZED DISTRIBUTED GENERATION AND INTERCONNECT SYSTEM CONTROLLER  
Systems and methods for designing and controlling distributed generation resources are disclosed. Monolithic or distributed controllers control the power requests sent to each distributed...
US20130138371 Dynamic Thermal Mapping  
A load calculation device for determining the maximum electrical load that can be applied to an electrical circuit includes determines the temperature differential (ΔT) between a section of the...
US20120239326 SYSTEMS AND METHODS FOR MONITORING OPERATION OF AN LED STRING  
Methods and systems for monitoring operation of an LED string. An exemplary system includes an LED string, a circuit that supplies current to the LEDs, a current measuring circuit that measures...
US20090307034 ENERGY INFORMATION MANAGEMENT SYSTEM  
An energy information management system and a computer-implemented method of managing energy information are disclosed. The computer-implemented method may include receiving energy use data based...
US20120101751 Evaluation Method  
A method for determining a power reduction due to ageing of a photovoltaic module includes measuring a variable associated with a performance of the module in one or more time periods within a...
US20130325380 AC Active Load  
An AC active load device for use with a generator and a controller to supply a variable impedance when supplied with an AC waveform. The AC active load device uses a transformer and one or more...
US20130024142 QUASI ISO-GAIN SUPPLY VOLTAGE FUNCTION FOR ENVELOPE TRACKING SYSTEMS  
A method of defining a quasi iso-gain supply voltage function for an envelope tracking system is disclosed. The method includes a step of capturing iso-gain supply voltage values versus power...
US20150106045 MEASUREMENT METHOD, MEASUREMENT DEVICE, AND MEASUREMENT PROGRAM  
There is provided a measurement method for an electrical characteristic, the measurement method including applying a voltage to an element, and determining stability of a current value at the...
US20110140685 METHOD FOR DIAGNOSING A LOAD DROP  
A method for diagnosing a load drop in a piezo actuator in an injection device, a voltage being measured and being compared to a threshold voltage (24) for the diagnosis, the load drop being...
US20140214350 Using Modeling to Determine Wafer Bias Associated With A Plasma System  
Systems and methods for determining wafer bias are described. One of the methods includes detecting output of a generator to identify a generator output complex voltage and current (V&I). The...
US20110270556 METHOD AND SYSTEM FOR IMPLEMENTING CIRCUIT SIMULATORS  
A system and method for performing circuit simulation is described. The present approach provides methods and systems that create reusable and independent measurements for use with circuit...
US20110246108 PRESENTATION OF UNBALANCE INFORMATION FOR ELECTRICAL ASSET MANAGEMENT  
Disclosed herein is an approach that presents unbalance information obtained from electrical assets in a manner that facilitates management of the electrical assets. In one aspect, a screen view...
US20120221268 MEASUREMENT-ONLY TOPOLOGICAL QUANTUM COMPUTATION  
Measurement-only topological quantum computation using both projective and interferometrical measurement of topological charge is described. Various issues that would arise when realizing it in...
US20130158920 PULSE WIDTH MODULATED VOLTAGE MEASURING CIRCUIT AND METHOD  
A voltage measuring circuit includes a rectifier to receive an alternating current (AC) voltage to be measured and to provide a rectified output; a comparator for comparing the rectified output...
US20130166237 Determining the Fineness of a Ground Material, in Particular an Ore, in a Mill  
Methods and arrangements for determining the fineness of a ground material in a mill are provided, wherein the acoustic spectrum of the mill during the grinding process is used for concluding the...
US20130060494 METHOD OF CALCULATING CURRENT CORRECTION FORMULA FOR POWER STRIP, CURRENT MEASURING METHOD, AND POWER STRIP  
A method of calculating a current correction formula may include first measuring voltage values at each of current measuring parts configured to measure currents in socket parts of a power strip...
US20120253718 PRESENTATION OF UNBALANCE INFORMATION FOR ELECTRICAL ASSET MANAGEMENT  
Disclosed herein is an approach that presents unbalance information obtained from electrical assets in a manner that facilitates management of the electrical assets. In one aspect, a screen view...
US20110118913 RAILROAD SIGNALING AND COMMUNICATION SYSTEM USING A FAIL-SAFE VOLTAGE SENSOR TO VERIFY TRACKSIDE CONDITIONS IN SAFETY-CRITICAL RAILROAD APPLICATIONS  
The present invention discloses an improved method and system for verifying trackside conditions in safety critical railroad applications by reporting the status of trackside signals and switches...
US20130135111 SELF-CALIBRATING CURRENT SWITCH WITH DISPLAY  
A current switch self-calibrates when a reset control is actuated and displays an expected current in the monitored conductor, one or more trip points of the current switch and the last known...
US20150204918 MAGNETIZING INRUSH CURRENT DETECTION METHOD, MAGNETIZING INRUSH CURRENT RESTRAINT METHOD AND DEVICE  
A method for detecting a magnetizing inrush current of a transformer includes the steps of obtaining a difference current for each AC phase of a transformer and calculating, for each AC phase, at...
US20120044079 MEASURMENT BASED VOLTAGE STABILITY MONITORING AND CONTROL  
A measurement base voltage stability monitoring and control scheme having a means for measuring current and voltage phasors at a boundary bus of a load center; and an equivalent network having a...
US20060106554 Current sensing lug  
Electrical current in an electrical power distribution system, such as at a power distribution transformer or the like, for an electrical utility is transferred through a current sensing connector...
US20150035504 SWITCHING REGULATOR INPUT CURRENT SENSING CIRCUIT, SYSTEM, AND METHOD  
A Buck switching regulator includes first Buck switching regulator circuitry is operable to generate a first output voltage from an input voltage and operable to generate a first sensed voltage...
US20150112622 OPEN-CIRCUIT VOLTAGE ESTIMATION DEVICE, POWER STORAGE APPARATUS, AND OPEN-CIRCUIT VOLTAGE ESTIMATION METHOD  
The present disclosure provides an open-circuit voltage estimation device that estimates a high-precision open-circuit voltage value, a power storage apparatus, and an open-circuit voltage...

Matches 1 - 50 out of 412 1 2 3 4 5 6 7 8 9 >