| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 02/10/2011 | US20110032002 Devices and methods for a threshold voltage difference compensated sense amplifier |
| 02/10/2011 | US20110031974 Method and System to Measure Series-Connected Cell Voltages using a Flying Capacitor |
| 02/10/2011 | US20110031958 Power conversion efficiency measurement system and method |
| 02/10/2011 | DE102010026638A1 Verfahren zum Verbessern der Zuverlässigkeit eines Brennstoffzellensystems mit Hilfe von Detektion einer leistungsschwachen Zelle bei Betrieb mit niedriger Leistung A method for improving the reliability of a fuel cell system with the aid of detection of a low power cell when operating with low power |
| 02/10/2011 | DE102009048935A1 Busfähiges Steuerungsgerät zur Steuerung mindestens eines Verbrauchers Bus-compatible device controller for controlling at least one load |
| 02/09/2011 | EP2282219A1 Device and method for providing electrical energy at a branch circuit supplying a load |
| 02/09/2011 | CN201740839U Judging device for judging single-phase grounding fault current voltage of three-phase power network |
| 02/09/2011 | CN201740836U Lightning arrester leakage current sensor |
| 02/09/2011 | CN201740817U Radar and medical standing wave electron linear accelerator standing-wave ratio fast detector |
| 02/09/2011 | CN201740813U Electric energy metering and monitoring meter |
| 02/09/2011 | CN201740812U Power measuring circuit in multi-functional check meter |
| 02/09/2011 | CN201740811U Optical-fiber numerical high voltage-measuring device |
| 02/09/2011 | CN201740810U Sampling resistor |
| 02/09/2011 | CN201740809U Detection circuit for detecting operating voltage of air conditioner |
| 02/09/2011 | CN201740807U Spatial capacitance type voltage divider |
| 02/09/2011 | CN201736623U Multifunctional electrician pen |
| 02/09/2011 | CN1719263B Passive strong isolation micro voltage detection switch |
| 02/09/2011 | CN101971043A The method for measuring soc of a battery in a battery management system and the apparatus thereof |
| 02/09/2011 | CN101971038A Waveform current monitor using rdson of low-side bridge fet |
| 02/09/2011 | CN101968524A Division test method and tester for multi-point grounding of common loop |
| 02/09/2011 | CN101968508A All-fiber current sensor and polarization state control method thereof |
| 02/09/2011 | CN101968507A Optical fiber voltage sensor and adjustment method thereof |
| 02/09/2011 | CN101968506A Alternating current sampling processing method and device |
| 02/09/2011 | CN101968032A Low voltage ride-through monitoring system for doubly-fed wind generator |
| 02/09/2011 | CN101515003B Method for measuring surface charge density of materials |
| 02/09/2011 | CN101464478B Voltage fluctuation flickering measurement method based on digital synchronization carrier wave coherent demodulation technology |
| 02/09/2011 | CN101452054B Basic electric parameter static measurement method for three phase permanent magnet synchronous machine |
| 02/09/2011 | CN101425684B Modular lightning protection device for electric power easy for replacement |
| 02/09/2011 | CN101373195B Platform zone power off notifying device |
| 02/09/2011 | CN101317096B Out-of-line measurement of a current flowing through a load |
| 02/08/2011 | US7885442 Perfusion weighted MRI with local arterial input functions |
| 02/08/2011 | US7884613 System, method, and article of manufacture for determining an estimated battery state vector |
| 02/08/2011 | US7884595 Method for producing an electricity sensing device |
| 02/03/2011 | WO2011012450A1 Device and method for providing electrical energy at a load circuit |
| 02/03/2011 | WO2011012361A1 Method and device for determining a charge status of a battery using a fluxgate sensor |
| 02/03/2011 | WO2010111451A3 Under frequency/under voltage detection in a demand response unit |
| 02/03/2011 | US20110029149 Determining a bus bar voltage |
| 02/03/2011 | US20110025303 Phasor Estimation During Current Transformer Saturation |
| 02/03/2011 | US20110025301 Detection of a load state of a half-bridge |
| 02/03/2011 | US20110025300 Electrical power quality test circuitry and method |
| 02/03/2011 | US20110025299 Dual-range measurement of electrical current |
| 02/03/2011 | US20110025293 Structural stud finder device and method |
| 02/03/2011 | DE102010038557A1 Verfahren und Schaltungsanordnung zur Diagnose einer Halbbrücke Method and circuit for diagnosing a half-bridge |
| 02/03/2011 | DE102009031017A1 Verfahren und Vorrichtung zur Netzzustandsbeobachtung Method and apparatus for network status monitoring |
| 02/02/2011 | CN201733066U High-voltage electrified display locking device based on fundamental wave and phase |
| 02/02/2011 | CN201732152U Detection system for storage battery packs |
| 02/02/2011 | CN201732120U Power consumption information collecting and monitoring system in base station |
| 02/02/2011 | CN201732119U Lightning transient impulse current data converter |
| 02/02/2011 | CN201732118U Computer wireless product low-pressure alarm |
| 02/02/2011 | CN201732117U Microcomputer overvoltage online monitor |
| 02/02/2011 | CN201732116U High-voltage charged display |
| 02/02/2011 | CN201732115U Non-contact high-sensitivity electricity measurer |
| 02/02/2011 | CN201732114U Transmission lead electrification indicator |
| 02/02/2011 | CN201732113U Ship electric energy quality detection device |
| 02/02/2011 | CN201732112U Voltage sensor for locomotives |
| 02/02/2011 | CN201732111U Fault detection circuit of LED (Light-Emitting Diode) screen |
| 02/02/2011 | CN201729893U Aluminum electrolytic cell controller potline current signal monitor |
| 02/02/2011 | CN101965522A Method for Measuring SOC of a Battery in a Battery Management System and the Apparatus Thereof |
| 02/02/2011 | CN101964166A Circuit for detecting dead pixel of LED display screen and method thereof |
| 02/02/2011 | CN101964130A Temperature measuring type electrical fire monitoring system |
| 02/02/2011 | CN101963835A Electronic equipment and method for dynamically allocating USB port power |
| 02/02/2011 | CN101963652A Method and device for generating interfering noise and method and system for testing voltage tolerance |
| 02/02/2011 | CN101963642A Testing method and instrument of multipoint earthing slide-variable resistance of common circuit |
| 02/02/2011 | CN101963631A High-current direct current sensor and manufacturing method thereof |
| 02/02/2011 | CN101963630A High-frequency measurement method of unbalance current of capacitor for direct current power transmission project |
| 02/02/2011 | CN101963629A Current detection device and method |
| 02/02/2011 | CN101520483B Train induction loop break detection method and device of thereof |
| 02/02/2011 | CN101436356B Apparatus and method for measuring gyro moment |
| 02/02/2011 | CN101424711B Bell tone automatic detection system and method |
| 02/02/2011 | CN101191825B Direct-current power supply detection device |
| 02/01/2011 | US7880460 Hardware in the loop motor simulation |
| 02/01/2011 | CA2344902C Voltage sensor bushing assembly with integral capacitance screen |
| 01/27/2011 | US20110023004 Establishing benchmarks for analyzing benefits associated with voltage scaling, analyzing the benefits and an apparatus therefor |
| 01/27/2011 | US20110018523 Device and method for current estimation |
| 01/27/2011 | US20110016959 Method and device for controlling a fuel metering system |
| 01/27/2011 | DE102009034364A1 Power monitoring device for determining and evaluating analog time-based electrical measurement signal of electric power supply, is connected with expansion module that has voltage supply connected with binary state |
| 01/26/2011 | CN201726097U Circuit breaker capable of detecting and controlling electric current change |
| 01/26/2011 | CN201725023U Novel storage battery online detection device |
| 01/26/2011 | CN201725011U Alternating Current (AC) measuring device of solar battery quantum efficiency |
| 01/26/2011 | CN201724989U Circuit for adjustment of phase sequence and voltage of three-phase alternating current |
| 01/26/2011 | CN201724978U Wireless automatic electricity getting current sensor |
| 01/26/2011 | CN201724977U Intelligent measurement system for grounding grid nodal voltage |
| 01/26/2011 | CN201724976U Remote counter for lightning arrester |
| 01/26/2011 | CN201724975U Brown out detection circuit of electric meter system |
| 01/26/2011 | CN201724974U Small-capacity harmonic full-current detection circuit |
| 01/26/2011 | CN201724973U Dynamic load display device |
| 01/26/2011 | CN201724972U Essential safe type induction test pen |
| 01/26/2011 | CN201724971U Heavy current measuring device |
| 01/26/2011 | CN201724970U Electrical property tester for automotive accelerator sensors |
| 01/26/2011 | CN201724969U Intelligent measurement display device of switch cabinet |
| 01/26/2011 | CN201724968U Voltage collector |
| 01/26/2011 | CN201724704U Wireless remote transmission gas meter with power supply detection function |
| 01/26/2011 | CN101958960A Method, system and mobile phone for alarming abnormity of mobile phone battery between group members |
| 01/26/2011 | CN101958262A Failure detection method and device |
| 01/26/2011 | CN101957434A Method to improve reliability of a fuel cell system using low performance cell detection at low power operation |
| 01/26/2011 | CN101957415A Soldering iron state detecting system and method |
| 01/26/2011 | CN101957410A Personal laboratory system integrating device |
| 01/26/2011 | CN101957406A Method for detecting light bar and detection machine board |
| 01/26/2011 | CN101957402A System and method for testing instantaneous current |
| 01/26/2011 | CN101957401A Power-distribution electric energy comprehensive measuring apparatus and measuring method thereof |