| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 07/27/2006 | US20060164069 Method and circuit arrangement for current measurement |
| 07/27/2006 | US20060164068 Passive indicator of voltage presence |
| 07/27/2006 | US20060164062 Distinguishing network interface card from short circuit condition in power over ethernet system |
| 07/27/2006 | DE4334338B4 Schaltung zur Überwachung der Versorgungsspannung einer integrierten Schaltung Circuit for monitoring the supply voltage of an integrated circuit |
| 07/27/2006 | DE102005003058A1 Small electrical device e.g. electrical razor, has load supplied by battery, display for battery charge state, and device for measuring battery voltage if load is separated from battery |
| 07/26/2006 | EP1684443A1 Hand-held tester and method for local area network cabling |
| 07/26/2006 | EP1606636A4 System and method for exact compensation of fundamental phasors |
| 07/26/2006 | CN2800281Y AC current and voltage recorder |
| 07/26/2006 | CN1809727A Method and apparatus for real time clock (RTC) brownout detection |
| 07/26/2006 | CN1808899A Overcurrent detecting device |
| 07/26/2006 | CN1808167A Magneto-optical sensors |
| 07/26/2006 | CN1808150A Vehicle battery protection method having power supply noise signal mode analysis function and apparatus therefor |
| 07/26/2006 | CN1808149A Advection type membrane surface electric potential tester |
| 07/25/2006 | US7081776 Voltage detection circuit, semiconductor device, method for controlling voltage detection circuit |
| 07/25/2006 | US7081744 Cable location continuously determining apparatus, cable location continuously determining method, and cable location continuously determining program |
| 07/25/2006 | US7081193 Multi-stack isolation detection system |
| 07/20/2006 | WO2006075739A1 Current detecting circuit |
| 07/20/2006 | US20060158172 Cable detection apparatus and method |
| 07/19/2006 | EP1423715B1 Diagnostics for piezoelectric sensor |
| 07/19/2006 | CN2798103Y Network intelligent electric energy quantity monitor |
| 07/19/2006 | CN2798101Y Pointer type voltage meter |
| 07/19/2006 | CN2798100Y External power frequency signal generator for high-voltage electroscope |
| 07/19/2006 | CN2798099Y Intelligent three-phase recorder for losing voltage and current |
| 07/19/2006 | CN2796949Y Wire clamp having electric induction |
| 07/19/2006 | CN1804641A Method and apparatus for judging oil accumulation degree of oil screen of smoke exhaust ventilator |
| 07/19/2006 | CN1265204C Three-phase three line transmission and distribution line zero sequence current detecting apparatus |
| 07/19/2006 | CA2533385A1 Self-powered power bus sensor employing wireless communication |
| 07/18/2006 | US7080280 Power failure sensing device and a card reader having a power failure sensing device |
| 07/18/2006 | US7079963 Modified binary search for optimizing efficiency of data collection time |
| 07/18/2006 | US7079818 Programmable mutlistage amplifier and radio applications thereof |
| 07/18/2006 | US7079060 Test circuit for evaluating characteristic of analog signal of device |
| 07/18/2006 | US7078908 Voltage detecting apparatus applicable to a combination battery |
| 07/18/2006 | US7078886 Appliance for reading identification connectors |
| 07/13/2006 | WO2006025018A3 Device and method for comparing two supply voltages |
| 07/13/2006 | US20060152208 Time limit function utilization apparatus |
| 07/12/2006 | EP1679519A1 A detector circuit to be used for measuring current |
| 07/12/2006 | EP1678512A1 Method and device for measuring radio interference levels with frequency tracking |
| 07/12/2006 | CN1802060A Working method and apparatus for air discharge lamp |
| 07/12/2006 | CN1800870A Single-phase plug type power supply detector |
| 07/12/2006 | CN1800863A Clamp type direct current sensor |
| 07/12/2006 | CN1800862A Non-contact measuring system for direct current |
| 07/12/2006 | CN1800861A Circuit structure for current measurement |
| 07/11/2006 | US7076073 Digital quasi-RMS detector |
| 07/11/2006 | US7075464 Circuit for current measurement and current monitoring |
| 07/11/2006 | US7075288 System and method for acquiring voltages and measuring voltage into and electrical service using a non-active current transformer |
| 07/11/2006 | US7075286 Fiber-optic current sensor |
| 07/11/2006 | US7075284 Time limit function utilization |
| 07/11/2006 | US7073414 Apparatus for accessing telecommunications networks |
| 07/06/2006 | WO2006070697A1 Current measuring apparatus and current measuring method |
| 07/06/2006 | WO2006069745A1 Method for correction of an electrical current measurement carried out indirectly by an electrical voltage measurement |
| 07/06/2006 | DE19542388B4 Kühlungs- und/oder Heizungssystem mit einem batteriebetriebenen Thermostat und Verfahren zu dessen Betrieb Cooling and / or heating system with a battery-powered thermostat and method for its operation |
| 07/06/2006 | DE102005060926A1 System zum Messen der Fahrzeugbatteriespannung A system for measuring the vehicle battery voltage |
| 07/06/2006 | DE102004062655A1 Verfahren zum Korrigieren einer durch eine elektrische Spannungsmessung indirekt durchgeführten elektrischen Strommessung A method for correcting an indirectly performed by an electrical voltage measurement electricity measurement |
| 07/06/2006 | DE102004060212A1 Level converter for signal processing circuits has amplifier which generates difference signal after comparing potential at output with reference potential on which control signal is dependent |
| 07/06/2006 | CA2531949A1 Current sensor arrangement |
| 07/05/2006 | EP1676140A1 Device for non-dissipative measurement of current in an inductive resistor |
| 07/05/2006 | EP0787306B1 Process for determining the state of charge of an accumulator |
| 07/05/2006 | CN2793895Y Blank cover plate of indicating light with wall switch |
| 07/05/2006 | CN2793735Y High-voltage inspection alaraming device |
| 07/05/2006 | CN2793734Y Restorable linear temperature sensor |
| 07/05/2006 | CN1797014A Detection method for testing current in resistance property of lightning arrester |
| 07/05/2006 | CN1797010A Equipment for sensing state of chamber door |
| 07/05/2006 | CN1797009A Moving iron (electromagnetism system) type AC ammeter, voltmeter |
| 07/05/2006 | CN1797008A Method for detecting load current by using signal in work cycle of pulsewidth modulation controller |
| 07/05/2006 | CN1797007A Method for shielding clip style sensor |
| 07/04/2006 | US7071759 Method for determining RMS values for grid-linked converters |
| 07/04/2006 | US7071737 Systems and methods for controlling timing in a circuit |
| 07/04/2006 | US7071703 Technique for estimation of a subscriber line insertion loss |
| 07/04/2006 | US7071702 Multi-jack detector |
| 07/04/2006 | US7071699 Non-load driven fault monitor for electrical circuits |
| 07/04/2006 | US7071698 Power supply apparatus for detecting battery voltage and the portions of faults |
| 07/04/2006 | US7071677 Accurate and efficient sensing method for bi-directional signals |
| 07/04/2006 | US7071675 Band distribution inspecting device and band distribution inspecting method |
| 07/04/2006 | CA2357023C Device and method for measuring an electric current |
| 06/29/2006 | US20060142963 Lock-out device and semiconductor integrated circuit device including the same |
| 06/29/2006 | US20060142962 System and method for calibrating weak write test mode (wwtm) |
| 06/29/2006 | DE202006005970U1 Sound generator case packing for high voltage tester has assembly of case construction which cover amplification casing and membrane casing |
| 06/29/2006 | DE19908882B4 Vergleicherschaltung für ein Halbleiter-Prüfsystem Comparator circuit for a semiconductor test system |
| 06/28/2006 | EP1675120A1 Method and apparatus for interpolating peak detection of servo stripe pulses |
| 06/28/2006 | CN2791654Y Small photoacoustic displaying direct-detecting and sensing detecting low voltage test pencil |
| 06/28/2006 | CN1795392A Undercurrent sense arrangement and method |
| 06/28/2006 | CN1793986A Distribution conversion station antitheft alarming device |
| 06/28/2006 | CA2531252A1 Voltage sensing apparatus for medium-voltage electrical power distribution systems |
| 06/27/2006 | US7068484 Secondary battery protection device |
| 06/27/2006 | US7068079 Circuit device with clock pulse detection facility |
| 06/27/2006 | US7068025 Compensation of simple fibre optic Faraday effect sensors |
| 06/22/2006 | WO2006064209A1 Device for detecting an electrical power supply failure |
| 06/22/2006 | US20060132191 Low-power receiver equalization in a clocked sense amplifier |
| 06/22/2006 | DE10256176B4 Verfahren und Vorrichtung zur Bildung des Mittelwertes eines periodischen Signals Method and apparatus for the formation of the mean value of a periodic signal |
| 06/22/2006 | DE102004059960A1 Schaltungsanordnung zur Messung eines elektrischen Stromes A circuit arrangement for measuring an electric current |
| 06/22/2006 | DE102004059455A1 Overvoltage detection and protection arrangement for e.g. power supply unit, has filter connected with input, and transient detector connected with input, where filter is low pass filter |
| 06/22/2006 | DE102004007209B4 Schaltungsanordnung und Verfahren zur Ermittlung des Laststromes durch eine getaktet an eine Versorgungsspannung angelegte induktive Last Circuit arrangement and method for determining the load current through a clocked applied to a supply voltage inductive load |
| 06/21/2006 | EP1671138A1 Current monitoring/control circuit |
| 06/21/2006 | CN2789953Y Portable short-circuit grounding wire |
| 06/21/2006 | CN2789772Y Indicator type current meter |
| 06/21/2006 | CN1790036A Electro-optical detector capable of calibrating voltage |
| 06/21/2006 | CN1260575C AC voltage under-voltage detecting circuit |
| 06/21/2006 | CN1260574C Estimating method and device for hot-line electrical potential |
| 06/21/2006 | CN1260550C Device for detecting physical volume |
| 06/20/2006 | US7065457 Methods and apparatus for updating firmware in an electronic electricity meter |