Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
09/2012
09/05/2012CN202421315U Intelligent electric power measuring and controlling instrument
09/05/2012CN202421314U Signal intelligence system for optical fiber current sensor
09/05/2012CN202421313U Portable current and voltage detector for storage battery
09/05/2012CN202421312U Device for monitoring alternating current being in series connection with direct current system
09/05/2012CN202421311U Digital detection device for amplitude of oscillating circuits
09/05/2012CN202421310U Photovoltaic coupling isolated phase voltage zero-detection circuit
09/05/2012CN202421309U Zero detection circuit
09/05/2012CN202421308U Voltage monitoring alarm
09/05/2012CN202421307U LED (light-emitting diode) emergency illumination voltage-monitoring system
09/05/2012CN202421306U Single-phase current/voltage power measuring appliance with buzzer alarming function
09/05/2012CN202421305U Electroscopic tool for 10kV power transmission line and knife-switch
09/05/2012CN202421304U Telescopic insulating electroscopic rod
09/05/2012CN202421303U Power supply indicating device for helmet
09/05/2012CN202421302U Puncturing type insulated wire electroscope
09/05/2012CN202421301U Test pen with file
09/05/2012CN202421300U Test feeler lever for superconductive AC (alternating current) voltage standards
09/05/2012CN202421299U De-icing monitoring circuit for ground wire of overhead transmission line
09/05/2012CN202421298U Potential detector for electronic circuit board
09/05/2012CN202421297U Direct current voltage-stabilizing device for performing high-side current detection
09/05/2012CN202421296U Signal measurement circuit for direct current loop
09/05/2012CN202421295U Alternating-current sensor based on zigbee wireless communication
09/05/2012CN202421294U TMR (triple modular redundancy) current sensor
09/05/2012CN202421293U Improved three-phase current sensor
09/05/2012CN202421292U Current sensor
09/05/2012CN202421291U Voltage-to-current conversion sensor
09/05/2012CN202421290U Improved current sensor
09/05/2012CN202421289U Improved voltage sensor
09/05/2012CN202421288U Direct current sensor
09/05/2012CN202421287U Structure-improved current sensor
09/05/2012CN202421286U Voltage measuring instrument
09/05/2012CN202421285U Automobile collision signal detection circuit
09/05/2012CN202421284U Device for measuring voltage of cell batteries in battery pack accurately
09/05/2012CN202421283U Current detection device for electric heating tube of split indoor unit
09/05/2012CN202421282U Flow battery solution-measuring sensor and flow battery solution-measuring device
09/05/2012CN202421281U Current detecting circuit for judging state of antenna
09/05/2012CN202421280U Current detecting device
09/05/2012CN202421279U Voltage and frequency measuring circuit for breaker
09/05/2012CN202421278U Voltage monitor
09/05/2012CN202421277U Voltage monitor power circuit
09/05/2012CN202421276U Relay-protection direct-current voltage sensing circuit
09/05/2012CN202421275U Detecting device for indoor arrester
09/05/2012CN202421273U Relay-protection distributed terminal isolation sensing circuit
09/05/2012CN202421264U Flexible current sensor
09/05/2012CN202421232U Test probe rod with low thermal electromotive force for superconductive AC voltage standard
09/05/2012CN202420692U Cable metal cover layer grounded current and cable temperature monitoring system
09/05/2012CN202419619U LED (Light-Emitting Diode) lamp for illuminating insulating operating rod at night
09/05/2012CN202419229U Electric leakage warning lamp
09/05/2012CN102656048A Abnormality detecting system for battery assembly
09/05/2012CN102654530A High-voltage electrode discharge current measuring device
09/05/2012CN102654529A Device for measuring current density distribution of arc
09/05/2012CN102654528A Alternating current voltage sampling device for power factor correction
09/05/2012CN102654527A Insulator resistive current peak detection circuit
09/05/2012CN102654525A Insulator resistive current separation circuit
09/05/2012CN102128716B Device and method for detecting opening/closing characteristic of film micro valve in microchannel
09/05/2012CN102109477B Testing device for distinguishing secondary electrons and back scattered electrons of material
09/05/2012CN102081115B Method and device for indirectly measuring large DC based on AC detection
09/05/2012CN102004123B Thermoelectric material tester
09/05/2012CN101976949B Anti-interference rapid current sampling circuit based on difference structure
09/05/2012CN101915867B Current measuring circuit in varying high-intensity magnetic field environment
09/05/2012CN101905658B Voltage sample acquiring method and device
09/05/2012CN101900837B Pyroelectric type infrared detector and control method thereof
09/05/2012CN101819464B Wearable electrical apparatus
09/05/2012CN101738531B Method for detecting output current of inverting welding machine
09/05/2012CN101713794B Method for detecting poor contact of battery voltage testing terminals
09/05/2012CN101682292B Inverter and method for detecting output voltage of the same
09/05/2012CN101676735B Current sampling hall sensor device
09/04/2012US8260565 High dynamic range charge measurements
08/2012
08/30/2012WO2012116224A2 Synthesized current sense resistor for wide current sense range
08/30/2012WO2012114735A1 Plasma display device
08/30/2012WO2012114278A2 High precision algorithmically assisted voltage divider with fault detection
08/30/2012WO2012113455A1 A method for obtaining an instantaneous direct current value, and control device
08/30/2012WO2012078613A3 Electrochemical cell monitoring and balancing circuit with self-diagnostic feature
08/30/2012US20120217954 Current meter with voltage awareness
08/30/2012US20120217953 Methods for Sensing Cycle and Phase Difference of AC Signals
08/30/2012US20120217928 Electric vehicle charging interface
08/30/2012DE102011012284A1 Überspannungsschutzschaltung und Verfahren zur Überprüfung einer Überspannungsschutzschaltung An overvoltage protection circuit and method for checking an overvoltage protection circuit
08/29/2012EP2493003A1 Storage battery system and storage battery module
08/29/2012CN202404606U Near-distance communication control system
08/29/2012CN202404211U Test device for testing combined switch of automobile steering wheel
08/29/2012CN202404151U Fiber bragg grating current transformer with temperature autotracking function
08/29/2012CN202404150U Current transducer
08/29/2012CN202404149U Monitoring device for offshore platform electric power system
08/29/2012CN202404148U Network voltage monitoring instrument
08/29/2012CN202404147U Three-phase current or voltage power measurement instrument with voice alarm function
08/29/2012CN202404146U Three-phase current or voltage power measurement instrument with buzzer alarming function
08/29/2012CN202404145U Capacitance electroscope
08/29/2012CN202404144U 6,000 V high-voltage feed state sensor
08/29/2012CN202404143U Test pencil
08/29/2012CN202404142U Gas sealing resistor divider voltage sensor
08/29/2012CN202404141U Device for detecting voltage of reverse output pole of motor driving magnet
08/29/2012CN202404140U 10 KV voltage isolation collection device based on APLC-C784
08/29/2012CN202404139U Extended forcipate current and resistance tester
08/29/2012CN202403872U Electric parameter calibrating device for vacuum gauge
08/29/2012CN102652390A Effective current sensing for high voltage switching regulators
08/29/2012CN102652265A Measuring isolated high voltage and detecting isolation breakdown with measures for self-detection of circuit faults
08/29/2012CN102651928A LED fluorescent lamp with over-voltage protection function
08/29/2012CN102650656A AC zero crossing signal collecting circuit
08/29/2012CN102650655A Induction type electricity measurer
08/29/2012CN102650654A Operation performance on-line assessment method for power transformer iron core and clamping piece grounding current monitoring device
08/29/2012CN102650653A Intelligent lightning stroke monitoring device
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