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