| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 10/11/2006 | CN1846141A Calibration comparator circuit |
| 10/11/2006 | CN1844938A Optical current sensor based on microelectronic mechanical system, making and detecting method thereof |
| 10/11/2006 | CN1844937A High-sensitivity MEMS photoelectric galvanometer, making and detecting method thereof |
| 10/10/2006 | US7119611 On-chip calibrated source termination for voltage mode driver and method of calibration thereof |
| 10/10/2006 | US7119579 Supply voltage detection circuit |
| 10/05/2006 | WO2006105321A1 Undervoltage detection circuit |
| 10/05/2006 | WO2006104712A2 Process control loop current verification |
| 10/05/2006 | US20060224338 Method and device for verifying an electrical coupling state of an inductive load |
| 10/05/2006 | US20060224337 Programmable current load systems and methods |
| 10/05/2006 | US20060220635 Method, apparatus, and program for measuring an electromagnetic field and medium recording the program |
| 10/05/2006 | DE19938054B4 Stromvergleichseinrichtung Current comparator |
| 10/05/2006 | DE102006001476A1 Electric circuit for improving the accuracy of electrical equipment using compensation for environmental conditions |
| 10/05/2006 | DE10053440B4 Stromdetektor, der in einem Steuersystem zum Steuern eines Motors zum Antreiben eines Fahrzeuges verwendet wird Current detector which is used in a control system for controlling an engine for driving a vehicle |
| 10/05/2006 | CA2599369A1 Process control loop current verification |
| 10/04/2006 | EP1706753A1 Fuel cell voltage monitoring system and associated electrical connectors |
| 10/04/2006 | EP1543335B1 Passive indicator of voltage presence |
| 10/04/2006 | EP1367401B1 Current sensor and overload current protective device comprising the same |
| 10/04/2006 | EP1068541B1 Magnetic digital signal coupler |
| 10/04/2006 | CN2824043Y Circular voltage divider for high-voltage pulse |
| 10/04/2006 | CN1841080A Safety and precise fuel cell voltage monitoring apparatus |
| 10/04/2006 | CN1841074A Fault arc detection method and protection circuit thereof |
| 10/03/2006 | US7116948 High-speed signal power detection circuit |
| 10/03/2006 | US7116594 Sense amplifier circuits and high speed latch circuits using gated diodes |
| 10/03/2006 | US7116239 Current sense components failure detection in a multi-phase power system |
| 10/03/2006 | US7116114 Power supply noise measuring device |
| 10/03/2006 | US7116093 Tone generator and probe |
| 10/03/2006 | US7116091 Ratiometric stud sensing |
| 09/28/2006 | WO2006102419A2 Automated electrical wiring inspection system |
| 09/28/2006 | US20060217908 Inspection method and system using multifrequency phase analysis |
| 09/28/2006 | DE19983488B4 System und Verfahren zur Frequenzkompensation in einer Energiemeßvorrichtung System and method for frequency compensation in a Energiemeßvorrichtung |
| 09/28/2006 | DE19722872B4 Schaltung zur Messung des Elektrodenstroms eines keramischen Gassensors Circuit for measuring the current electrodes of a ceramic gas sensor |
| 09/28/2006 | DE10207659B4 Verfahren und Vorrichtung zum Schätzen einer Klemmenspannung einer Batterie, Verfahren und Vorrichtung zum Berechnen einer Leerlaufspannung einer Batterie sowie Verfahren und Vorrichtung zum Berechnen der Batteriekapazität A method and apparatus for estimating a terminal voltage of a battery, Method and apparatus for calculating an open circuit voltage of a battery as well as methods and means for calculating the battery capacity |
| 09/28/2006 | CA2616556A1 Automated electrical wiring inspection system |
| 09/27/2006 | CN2821581Y Pointer type vehicle carried power voltage dynamic detection and monitor device |
| 09/27/2006 | CN2821580Y Multipurpose simple test pen |
| 09/27/2006 | CN1837832A Microcomputer integrated electroprobe |
| 09/26/2006 | US7113754 High frequency signal power detector |
| 09/26/2006 | US7113750 Apparatus and method for input channel isolation within an electronic test instrument |
| 09/26/2006 | US7113591 Current sense circuit in a line powered network element |
| 09/26/2006 | US7113005 Current mirror circuit |
| 09/26/2006 | US7113004 Sense amplifier with offset cancellation and charge-share limited swing drivers |
| 09/26/2006 | US7113003 Presence indication signal associated with an attachment |
| 09/26/2006 | US7112982 Method for evaluating semiconductor device |
| 09/26/2006 | US7112949 Enhanced fault protection in electricity meter |
| 09/26/2006 | US7112935 Current sensor using mirror MOSFET and PWM inverter incorporating the same |
| 09/21/2006 | WO2006096956A1 Method, system and apparatus for diagnostic testing of an electrochemical cell stack |
| 09/21/2006 | WO2005088800A3 Power supply loading indicators and methods |
| 09/21/2006 | US20060212238 Power quality monitoring |
| 09/21/2006 | US20060208758 Method and system for detecting a mode of operation of an integrated circuit, and a memory device including same |
| 09/21/2006 | US20060208748 Probe holder for testing of a test device |
| 09/21/2006 | DE102005009544A1 Semiconductor component arrangement, has load transistor with transistor cells that are divided into two groups, where cells of one group and transistor cells of measuring transistor have smaller input voltage than cells of other group |
| 09/21/2006 | CA2602123A1 Method, system and apparatus for diagnostic testing of an electrochemical cell stack |
| 09/20/2006 | CN2819706Y Safety power saving xenon healight of vehicle |
| 09/20/2006 | CN2819234Y Miner's light charging state display list head |
| 09/20/2006 | CN2819227Y Thunderbolt counter |
| 09/20/2006 | CN2819226Y Earphone inserted tester |
| 09/20/2006 | CN2819225Y Special electroscope for contact network |
| 09/20/2006 | CN2819224Y Single-row three-phase and twleve-circuit voltage display module |
| 09/20/2006 | CN1834665A Ac power source detection method of bousehold appliance standby circuit supplied by battery |
| 09/20/2006 | CN1276262C 电流传感器 Current Sensors |
| 09/19/2006 | US7110897 Identification of average total loss and switching loss in duty cycle and/or frequency variation signals acquired across a switching device using a DSO |
| 09/19/2006 | US7109699 Long range alternating current phasing voltmeter |
| 09/14/2006 | WO2006096115A1 Visualisation arrangement |
| 09/14/2006 | US20060203410 Secondary battery protection device |
| 09/14/2006 | US20060202673 Method and system for feeding electrical energy into an alternating current electrical mains |
| 09/14/2006 | US20060202672 Time aligned bussed triggering using synchronized time-stamps and programmable delays |
| 09/14/2006 | DE102005012405B3 Verfahren und Schaltungsanordnung zur Detektion eines Leitungsbruches Method and circuit for detecting a wire break |
| 09/14/2006 | CA2499031A1 Voltage applied type current measuring system using computer based data acquisition board |
| 09/13/2006 | EP1701168A1 Undervoltage warning method, undervoltage warning circuit and switching power supply |
| 09/13/2006 | EP1701167A1 Method and device for identifying radio interference levels asynchronous to frequency spectrum measurement |
| 09/13/2006 | EP1435004B1 Test circuit |
| 09/13/2006 | EP1302774B1 Sagnac interferometer current sensor |
| 09/13/2006 | CN2816822Y Metal housing surface-current detecting device |
| 09/12/2006 | US7106604 System and method for reducing transfer function ripple in a logarithmic RMS-to-DC converter |
| 09/12/2006 | US7106048 Fault indicator with auto-configuration for overhead or underground application |
| 09/12/2006 | US7106047 Electric current detection apparatus |
| 09/12/2006 | US7106045 Apparatus for a simplified power disturbance indicator gage with learning capability options |
| 09/12/2006 | US7104147 System and method for measuring electric current in a pipeline |
| 09/08/2006 | WO2006093230A1 Potential comparator |
| 09/07/2006 | DE19855017B4 Verfahren zum Erzeugen eines Fehlersignals, das eine komplexe Zeigermeßgröße als fehlerbehaftet kennzeichnet A method for generating an error signal indicative of a complex as having errors Zeigermeßgröße |
| 09/06/2006 | EP1632111B1 Apparatus and method for operating current dependent electronic devices |
| 09/06/2006 | CN2814422Y Apparatus for detecting pulse clock signal |
| 09/06/2006 | CN2814421Y Voltage comparator earth wire live-line detector capable of providing detected signal by transformer |
| 09/06/2006 | CN2814420Y 电流记录仪 Current Logger |
| 09/06/2006 | CN1828856A Power type light-emitting diode device and its manufacturing method |
| 09/06/2006 | CN1828319A Phase defect testing method for three phase power supply |
| 09/06/2006 | CN1828311A Self-powered power bus sensor employing wireless communication |
| 09/06/2006 | CN1273882C Power-on reset circuit applied to semiconductor integrated circuit device |
| 09/05/2006 | US7103487 Circuitry and methods for current measurements referred to a precision impedance |
| 09/05/2006 | US7103486 Device for monitoring a neutral and earth break and electrical switchgear apparatus comprising such a device |
| 09/05/2006 | US7102684 Video camera with low battery warning |
| 09/05/2006 | US7102395 Power-supply voltage detection circuit and integrated circuit device |
| 09/05/2006 | US7102394 Programming and control of an integrated circuit using an externally connected resistor network |
| 09/05/2006 | US7102393 Detection of a closed loop voltage |
| 09/05/2006 | US7102358 Overvoltage detection apparatus, method, and system |
| 09/05/2006 | US7102344 Circuit tester |
| 09/05/2006 | US7102338 Multi-sense voltage regulator |
| 08/31/2006 | WO2006091177A1 System and method for remotely monitoring of power loss to electrical equipment |
| 08/31/2006 | WO2006090383A2 Method and apparatus for precisely measuring wire tension and other conditions, and high-sensitivity vibration sensor constructed in accordance therewith |
| 08/31/2006 | US20060195260 Method and apparatus for real time clock (RTC) brownout detection |