Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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10/24/2007 | CN200965566Y A storage battery automatic detection device |
10/24/2007 | CN200965564Y Flying model mounted intelligent battery capacity detector |
10/24/2007 | CN200965550Y High voltage electroscope tester |
10/24/2007 | CN200965549Y Welding current monitor device |
10/24/2007 | CN200965548Y Electronic load measurement meter |
10/24/2007 | CN101061388A Voltage monitor and electric power storage using same |
10/24/2007 | CN101060240A Reverse current measurement and control system (SDA-N) |
10/24/2007 | CN101059556A Superconductive quantum bit measuring system |
10/24/2007 | CN101059547A Diagnostic signal processor |
10/24/2007 | CN101059540A Four-range voltage measuring instrument |
10/24/2007 | CN101059539A Voltage measuring device with 1muV resolution |
10/24/2007 | CN101059538A Variation-free voltage measuring device adopting transposition branch |
10/24/2007 | CN101059537A Silent current detection method and its device |
10/24/2007 | CN100344979C High-voltage split-phase peak contact electroscopy |
10/23/2007 | US7286951 Externally controllable electronic test program |
10/23/2007 | US7286228 Method and apparatus for measuring circularly polarized rotating electromagnetic wave using magnetic field |
10/23/2007 | US7285989 Device for detection of power-off |
10/23/2007 | US7285935 Battery life determination |
10/18/2007 | US20070241618 Intelligent Battery Switching Circuit Block for Portable Devices |
10/18/2007 | DE202007009301U1 Elektronische medizinische Geräte mit Warnungsfunktion bei niedriger Stromspannung Electronic medical devices with alarm function at low voltage |
10/18/2007 | DE102007016069A1 Coreless current sensor for motor vehicle, has Hall-integrated circuit with temperature measuring part to determine environmental temperature, where measuring signal and temperature signal are output outwards over connecting terminals |
10/18/2007 | DE102007008097A1 Lastabnormitäts-Detektionssystem und -verfahren Lastabnormitäts detection system and method |
10/18/2007 | DE102006017479A1 Verfahren zum Messen eines mittels Wechselrichter erzeugten Wechselstromes und Anordnung zur Durchführung des Verfahrens A method for measuring an AC current generated by the inverter and arrangement for implementing the method |
10/18/2007 | DE102006017239A1 Differentieller Levelshifter mit automatischem Fehlerabgleich Differential Level Shifter with automatic error adjustment |
10/17/2007 | EP1845480A2 Power-on reset circuit for an IC card |
10/17/2007 | EP1844341A1 Method and circuit arrangement for verifying electric contacts between a first output pin of a first power circuit breaker of a power circuit breaker device and an external node and a second output pin of a second power circuit breaker of said power circuit breaker device and node |
10/17/2007 | EP1844340A1 Method and device for determining the characteristics of the voltage of an electrical installation |
10/17/2007 | CN200962135Y Vehicle circuit detection diagnosis device |
10/17/2007 | CN200962130Y A radio high-voltage electrification display lock device |
10/17/2007 | CN200962129Y A high voltage electrification display lock device |
10/17/2007 | CN200962128Y An electrification alarming device of electrical heater grounding line |
10/17/2007 | CN200962127Y A high voltage electrical display lock device |
10/17/2007 | CN200962126Y A detection device for gas control gate location sensor |
10/17/2007 | CN200962125Y Explosion network detector |
10/17/2007 | CN200962124Y Voltage indicator |
10/17/2007 | CN101055959A Current overload magnetic spring relay and current overload warning jack including the same |
10/17/2007 | CN101055541A Temperature-control noise-reducing method for computer |
10/17/2007 | CN101055298A Temperature detection function-incorporating current sensor |
10/17/2007 | CN101055297A Voltage measuring device for overcoming thermoelectric potential influence |
10/17/2007 | CN101055296A Voltage measurer for eliminating variation and thermoelectric potential influence |
10/17/2007 | CN101055295A Fan system and its power source monitoring device |
10/17/2007 | CN101055294A Dynamotor rotor voltage and current measuring method and its device |
10/17/2007 | CN101055293A Voltage measuring instrument with high resolution |
10/17/2007 | CN101055292A Voltage measurer with wide measuring range |
10/17/2007 | CN101055291A Voltage measuring instrument with multiple range and high resolution |
10/17/2007 | CN101055290A Voltage measurer with resolution amounting to 0.1uv |
10/17/2007 | CN101055289A Voltage measurer for overcoming variation influence |
10/17/2007 | CN101055288A Voltage measurer |
10/17/2007 | CN101055287A Voltage measuring instrument with multiple range |
10/17/2007 | CN101055286A Four-range voltage measuring device adopting current splitting branch |
10/17/2007 | CN101055285A Voltage measuring instrument with minimum stepping 0.1uV |
10/17/2007 | CN101055284A Single-phase multiple-loop monitoring device and its implement method |
10/17/2007 | CN101055283A Three-range current recording and balance analysis method and device |
10/17/2007 | CN101053945A Folding multifunction screw driver |
10/17/2007 | CN100343680C Lightning stroke detection and warning system |
10/16/2007 | US7282890 Voltage detector of battery assembly |
10/11/2007 | US20070236204 Power supply device and switching power supply device |
10/11/2007 | DE10209037B4 Verfahren und Vorrichtung zum Überwachen der Spannung einer Batterie A method and apparatus for monitoring the voltage of a battery |
10/11/2007 | DE102004030161B4 Schlatungsanordnung zum wahlweisen Generieren eines analogen Stromausgangswertes oder eines analogen Spannungsausgangswertes Suppression Tung arrangement for selectively generating an analog current output value or an analog voltage output value |
10/10/2007 | EP1843139A2 Ultra-low power programmable timer and low voltage detection circuits |
10/10/2007 | EP1842276A1 Device for detecting an electrical power supply failure |
10/10/2007 | CN200959305Y Fused isolated switch |
10/10/2007 | CN200959154Y Electric-power line safety device |
10/10/2007 | CN200959027Y Power-supply electromotive-force and internal-resistance measuring equipment |
10/10/2007 | CN200959023Y Leakage alarming monitor |
10/10/2007 | CN200959022Y Inductive high-voltage pillar-insulator sensor |
10/10/2007 | CN200959021Y Inductive current sensor |
10/10/2007 | CN200959020Y Blade-fuse checker of automobile |
10/10/2007 | CN200957530Y Multipurpose nipper pliers |
10/10/2007 | CN200957529Y Pliers |
10/10/2007 | CN200957527Y Multi-purpose pliers |
10/10/2007 | CN101053155A Device and method for comparing two supply voltages |
10/10/2007 | CN101052885A Accumulator current sensor for automobile |
10/10/2007 | CN101051609A High voltage protective interlock for ion injector |
10/10/2007 | CN101051205A Apparatus and method for controlling power supplied to fixing unit |
10/10/2007 | CN101051062A Over-voltage indication circuit and system circuit and method |
10/10/2007 | CN101051061A Circuit structure of long effectiveness relaxation oscillation flash type high voltage live display device |
10/10/2007 | CN101051060A Multiple llop multifunction power comprehensive communication instrument |
10/10/2007 | CN101051059A 波形压缩和显示 Waveform compression and display |
10/10/2007 | CN100342638C Method of detecting motor current and motor control device |
10/10/2007 | CN100342236C Method and circuit arrangement for determining the average current consumption of a battery-operated apparatus |
10/09/2007 | US7280938 Method for determining a negative sequence component |
10/09/2007 | US7280048 Process control loop current verification |
10/09/2007 | US7279939 Circuit for differential current sensing with reduced static power |
10/09/2007 | US7279885 Temperature compensated current sensor using reference magnetic field |
10/09/2007 | US7279884 Temperature compensated and self-calibrated current sensor using reference magnetic field |
10/04/2007 | WO2007111611A1 Methods and apparatus for differential signaling using absolute pressure sensors |
10/04/2007 | WO2007110004A1 Method for displaying a dataset defining a fault in an electrical power supply network |
10/04/2007 | US20070233402 Method and Device for Monitoring Computer Case and Power Supply Unit |
10/04/2007 | US20070229057 Beam Current Sensor |
10/04/2007 | US20070229011 Circuit Arrangement and Method for Adjusting the Power Consumption of a Load That Can be Operated by a Direct-Voltage System |
10/04/2007 | US20070228843 Causing operation of load in alternate, reduced peak power mode |
10/04/2007 | DE102006015479A1 Laboratory resistor for providing measurement of current flow between strip conductors of Ampere, has potential pick-up connection staying electrically in contact with resistor unit between two strip conductor connections |
10/03/2007 | EP0990913B1 Voltage measuring instrument with flying capacitor |
10/03/2007 | CN200956044Y DVD pick-up servo coil measuring device |
10/03/2007 | CN200956043Y 高压电led显示装置 Led display high-voltage device |
10/03/2007 | CN200956042Y High-end current detecting circuit |
10/03/2007 | CN200956041Y Voltage indicator and its shell structure |
10/03/2007 | CN101048924A Method and circuit for amplifying the input signals of an electronic overcurrent release of low-voltage circuit breakers with a selectable amplification factor |
10/03/2007 | CN101048668A Comparator feedback peak detector |