| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 02/28/2008 | US20080048641 Peak voltage detector circuit and binarizing circuit including the same circuit |
| 02/28/2008 | US20080048638 Methods and Apparatus for Characterizing Electronic Fuses Used to Personalize an Integrated Circuit |
| 02/28/2008 | US20080048637 Measuring Device for Measuring the Output Current of a Clocked Half-Bridge Circuit |
| 02/27/2008 | CN201029003Y Electric apparatus outer shell creepage monitoring and warning system |
| 02/27/2008 | CN201029002Y Creepage warning device of electric apparatus outer shell |
| 02/27/2008 | CN201029001Y Arc strike detecting device |
| 02/27/2008 | CN201029000Y Unbalanced propulsion current analyzer |
| 02/27/2008 | CN201028805Y Damping isolation signal pickup assembly used for electric water heater |
| 02/27/2008 | CN101133333A Potential comparator |
| 02/27/2008 | CN101132236A Method and device for optical fiber communication using conventional current mutual inductor and voltage mutual inductor |
| 02/27/2008 | CN101131406A High-frequency high-voltage current measuring apparatus |
| 02/27/2008 | CN100371995C Sawtooth wave position element value detecting circuit |
| 02/26/2008 | US7337433 System and method for power profiling of tasks |
| 02/26/2008 | US7336338 Liquid-crystal indicator of voltage presence |
| 02/26/2008 | US7336078 Multi-sensor mapping omnidirectional sonde and line locators |
| 02/26/2008 | US7336066 Reduced pin count test method and apparatus |
| 02/26/2008 | US7336061 Group wiring system allowing locating of wire pairs and method for locating wire pairs in group wiring system |
| 02/24/2008 | CA2598901A1 Method and system for state estimation in power systems |
| 02/21/2008 | WO2008020199A1 Electrical safety device |
| 02/21/2008 | US20080046206 Apparatus for digital measurement of quick break voltage and magnetic pulse duration |
| 02/21/2008 | US20080042639 Safe input circuit with one-channel peripheral connection for the input of a bus participant |
| 02/21/2008 | US20080042638 Connector with AC/DC Test LEDs |
| 02/21/2008 | US20080042242 High voltage sensor device |
| 02/21/2008 | DE202007015737U1 Anordnung zur Echtzeitmessung der Stromdichte in einem Elektrolytbad Arrangement for real-time measurement of the current density in an electrolytic bath |
| 02/21/2008 | DE102006038345A1 Electric/electronic switching operation detecting method for motor vehicle, involves comparing voltage with preset value, and generating signal, when voltage is deviated from value, where changed switching condition is evaluated by signal |
| 02/21/2008 | DE102006037926A1 Monitor for the function of a three-phase alternating current drive, especially for an electroplating drum, has sensors at the phase conductors to detect an asymmetry in their current flows |
| 02/21/2008 | DE102006030774A1 Verfahren zur Bestimmung des Bürdenwiderstandes für einen Messumformer Method for determining the load resistor for a transmitter |
| 02/20/2008 | EP1797437B1 Device for determining electric variables |
| 02/20/2008 | EP1642143B1 Method and circuit arrangement for the self-testing of a reference voltage in electronic components |
| 02/20/2008 | EP1338090B1 A current-sensing switching circuit |
| 02/20/2008 | EP1200925B1 System and method for frequency compensation in an energy meter |
| 02/20/2008 | CN201025484Y Testing device for voltage sudden wave |
| 02/20/2008 | CN101127153A Transmission line disaster monitoring system |
| 02/20/2008 | CN101126796A Battery electric quantity detecting method and device |
| 02/20/2008 | CN101126785A High precision broad frequency contaminated insulator leakage current sensor |
| 02/20/2008 | CN101126783A Automobile electrical signal test method and device |
| 02/20/2008 | CN101126774A Arc root current density distribution test method and device |
| 02/20/2008 | CN100370262C Cable core current detector |
| 02/19/2008 | US7333345 Combination current sensor and relay |
| 02/14/2008 | WO2008018691A1 Circuit for continuously measuring discontinuous metal insulator transition of mit element and mit sensor using the same |
| 02/14/2008 | WO2008017684A1 Audio level meter |
| 02/14/2008 | US20080036465 Electric Circuit For Triggering A Piezoelectric Element, In Particular Of A Fuel Injection System Of A Motor Vehicle |
| 02/14/2008 | US20080036445 Method for Setting a Reference Potential of a Current Sensor and Arrangement for Determining the Reference Potential of a Power Semiconductor Device |
| 02/14/2008 | US20080036394 Current sensing transformer, method of manufacturing current sensing transformer, lamp power supply having the current sensing transformer, and liquid crystal display having the lamp power supply |
| 02/14/2008 | DE102007034757A1 Stromsensor Current sensor |
| 02/14/2008 | DE102007031385A1 Hall sensor low voltage supply detecting method for e.g. actuator, involves determining height of high level signal, and assessing fall-below of supply voltage to predetermined threshold value as low-voltage supply using high-level signal |
| 02/14/2008 | DE102006037003A1 Filter throttle for filtering disturbances in converters in an automotive application comprises a current input conductor, a current flow output conductor connected to the input conductor and a throttle core |
| 02/14/2008 | DE102004016311B4 Elektrisches Messgerät Electrical measuring instrument |
| 02/13/2008 | EP1886153A2 Bi-directional mos current sense circuit |
| 02/13/2008 | EP1886151A1 Apparatus for detecting and processing a multiplicity of measured values in an hvdct system |
| 02/13/2008 | EP1886150A1 Current sensor |
| 02/13/2008 | CN201022033Y A LCD module detection device |
| 02/13/2008 | CN101122620A Power supply line |
| 02/13/2008 | CN101122619A Flexible rogowski coil for impulse current measurement |
| 02/13/2008 | CN101122618A Electrified information measuring device and circuit breaker with the same |
| 02/07/2008 | WO2008015462A2 Power supply circuit |
| 02/07/2008 | US20080033671 Method And Device For Measuring Physical Variables Using Piezoelectric Sensors And A Digital Integrator |
| 02/07/2008 | US20080033282 Distortion-immune position tracking using redundant measurements |
| 02/07/2008 | US20080030237 Signal-processing circuit, in particular operating as a rectifier and peak detector, with active elements and differential inputs |
| 02/07/2008 | US20080030208 Current sensor |
| 02/07/2008 | US20080028842 Combustion State Determination Method Of Internal Combustion Engine |
| 02/06/2008 | EP1884787A1 A current sensor for measuring electric current in a conductor and a short circuit indicator system comprising such a sensor |
| 02/06/2008 | EP1884786A1 Differential input signal rectifier |
| 02/06/2008 | EP1884785A1 A device for comparing the peak value of at least one voltage signal with a reference voltage |
| 02/06/2008 | EP1884784A1 Circuit and method for detecting electric current |
| 02/06/2008 | CN201017757Y Decomposing prevention circuit of transformer device |
| 02/06/2008 | CN201017458Y Measurement mechanism of leakage current |
| 02/06/2008 | CN201017013Y Test pencil |
| 02/06/2008 | CN201017012Y Load power indicator |
| 02/06/2008 | CN201017011Y Modified type metallic face current measurement device |
| 02/06/2008 | CN201017010Y Vehicle malfunction detection pens |
| 02/06/2008 | CN201017009Y Multifunctional voltmeters |
| 02/06/2008 | CN201017008Y Three range portable potential difference meter |
| 02/06/2008 | CN201017007Y Three range DC potential difference meter |
| 02/06/2008 | CN201017006Y 携带式电位差计 Portable potentiometer |
| 02/06/2008 | CN201017005Y Four-range portable potentiometer |
| 02/06/2008 | CN201017004Y Three-range potentiometer |
| 02/06/2008 | CN201017003Y Two-range direct current potentiometer |
| 02/06/2008 | CN101119111A Switch used for electric hand-tool and having cumulating property safety function |
| 02/06/2008 | CN101119021A Over voltage protection circuit and method thereof |
| 02/06/2008 | CN101118276A Automatic electric checking machine of dry batteries |
| 02/06/2008 | CN101118265A Process for real time recognizing voltage stability of electrified wire netting trough recognizing weak links of electric network |
| 02/06/2008 | CN101118253A High-frequency high-pressure measurement mechanism |
| 02/06/2008 | CN100367413C Method and device for measuring corona current in Tokamak device |
| 02/05/2008 | US7327620 Differential input buffer for receiving signals relevant to low power |
| 02/05/2008 | US7327278 Method and apparatus for tracing remote ends of networking cables |
| 02/05/2008 | US7327183 Squaring cells and multipliers using summed exponentials |
| 02/05/2008 | US7327129 Current sense circuit and method for a DC-to-DC converter |
| 02/05/2008 | US7327117 Process for measuring phase currents of a device for controlling electric motors made with ims technology or the like embedding, for such measure, resistance and temperature control device for power transistors |
| 01/31/2008 | WO2008014394A2 Current mode analog-to-digital converter |
| 01/31/2008 | WO2008013588A1 Low power wide dynamic range rms-to-dc converter |
| 01/31/2008 | WO2008011843A1 Measuring apparatus |
| 01/31/2008 | US20080024112 Apparatus for measuring the electrical energy delivered to a rail traction unit by a high voltage line |
| 01/31/2008 | US20080024107 Phase detecting device, phase control device including the phase detecting device, and fuser control device including the phase control device |
| 01/31/2008 | DE102006034580A1 Device for determining electrical variable in electrical circuit, comprises switching element arranged parallel to shunt, where medium is provided for opening and closing of element and for determining variable with opened element |
| 01/31/2008 | DE102006032762A1 Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes Apparatus and method for measuring a current flowing in an electric conductor current |
| 01/30/2008 | EP1639419A4 A circuit for detecting electric current |
| 01/30/2008 | CN201014996Y Anti-theft device of power apparatus |
| 01/30/2008 | CN101114827A Power on reset circuit for a digital device including an on-chip voltage down converter |
| 01/30/2008 | CN101114005A Module and method for detecting defect of thin film transistor substrate |