Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
---|
12/02/2004 | US20040243895 Digital envelope detector |
12/02/2004 | US20040243329 Frequency measuring device |
12/02/2004 | US20040243325 Method and arrangement for securing sensors in an electricity meter |
12/02/2004 | US20040240663 Current sense circuit in a line powered network element |
12/02/2004 | US20040240136 Method for checking electrical safety of a household appliance and corresponding household appliance |
12/02/2004 | US20040239697 Processing web editor for data processing in a digital oscilloscope or similar instrument |
12/02/2004 | US20040239398 Squaring cells and multipliers using summed exponentials |
12/02/2004 | US20040239335 Current measurement in electrical machines |
12/02/2004 | US20040239306 Voltage presence indication device and electrical apparatus comprising such an indicator |
12/02/2004 | DE10135798A1 Verfahren zur Diagnose diskreter Endstufen über Digitaleingänge Method for the diagnosis of discrete amplifiers with digital inputs |
12/01/2004 | EP1482316A2 Current measurement in electrical machines |
12/01/2004 | EP1481254A1 Dsp assisted peak capture circuit and method |
12/01/2004 | EP1119748A4 Interferometer coupler using multiple input ports for improved stabiblity |
12/01/2004 | CN2660760Y Overcurrent protector having acoustooptic warning and auto restoring functions |
12/01/2004 | CN2660544Y Independent overcurrent monitoring and protecting circuit |
12/01/2004 | CN2660543Y One-rowed 3-phase 6-route indication modular |
12/01/2004 | CN1551986A Minimum detector arrangement |
12/01/2004 | CN1178114C Electric-wave-shape digital sampling method and apparatus thereof |
11/30/2004 | US6825653 Load compensating power supply having minimally invasive device current analyzer |
11/30/2004 | US6825651 Test method for characterizing currents associated with powered components in an electronic system |
11/30/2004 | US6825649 Non-contact voltage measurement method and device, and detection probe |
11/25/2004 | WO2004102211A1 Potentiostatic circuit arrangement on a biosensor for digitisation of the measured current |
11/25/2004 | WO2004093317A3 System and method for determining voltage levels |
11/25/2004 | US20040233064 Voltage-detecting method and related circuits |
11/25/2004 | DE10319157A1 Monitoring method for the burn-in voltage during an integrated circuit burn-in process, whereby a voltage representative of the internal burn-in voltage is compared with a reference value and a corresponding signal output |
11/24/2004 | EP1478932A1 Method and circuit arrangement for determining the average current consumption of a battery-operated apparatus |
11/24/2004 | CN2658971Y Movable safety socket |
11/24/2004 | CN1549929A Diagnostics for piezoelectric sensor |
11/24/2004 | CN1548975A Phase current detecting method for motor |
11/24/2004 | CN1548965A AC voltage under-voltage detecting circuit |
11/24/2004 | CN1548964A Three-phase three line transmission and distribution line zero sequence current detecting apparatus |
11/24/2004 | CN1177332C Antijamming signal transferring cable and high-speed high-amplitude pulse current sensor |
11/24/2004 | CN1177228C Digital current differential system |
11/23/2004 | US6822576 Microprocessor controlled fault detector with circuit overload condition detection |
11/23/2004 | US6822493 Voltage detection circuit, power-on/off reset circuit, and semiconductor device |
11/23/2004 | US6822435 Comparator circuit for differential swing comparison and common-mode voltage comparison |
11/23/2004 | US6822247 Ion irradiation system |
11/18/2004 | WO2004099630A2 Combination hand tool and electrical testing device |
11/18/2004 | US20040228054 Fault detecting circuit |
11/18/2004 | US20040227539 Current sensing for power MOSFET operable in linear and saturated regions |
11/18/2004 | DE10319602A1 Temperature compensation method for application to a voltage source or sensor output voltage that has a known temperature-dependent voltage drift, wherein the outputs of two voltage sources are used to calculate a temperature |
11/18/2004 | DE10297335T5 Spannungserfassungsschaltung und dieselbe benutzende Erzeugungsschaltung für interne Spannung Voltage detection circuit and the same-use internal voltage generating circuit for |
11/17/2004 | EP1476762A1 Signal processing circuit for an optical sensor |
11/17/2004 | EP1252526B1 Current detector and current measuring apparatus including such detector with temperature compensation |
11/17/2004 | CN2657010Y Direct-inserting three-phase voltage display module |
11/17/2004 | CN2657009Y Two-arrangement three-phase six-way display module |
11/17/2004 | CN1547873A Circuit settings |
11/17/2004 | CN1547035A Current sensor |
11/17/2004 | CN1547034A Current sensor |
11/16/2004 | US6820017 Method for determining the amplitude and phase angle of a measuring signal corresponding to a current or voltage of an electrical power supply network |
11/16/2004 | US6819144 Latched sense amplifier with full range differential input voltage |
11/11/2004 | WO2004097436A2 Measurement circuit with improved accuracy |
11/11/2004 | WO2004097434A1 I/f conversion device and photo-detection device |
11/11/2004 | WO2004034440A3 Current integrating sense amplifier for memory modules in rfid |
11/11/2004 | US20040225439 Method and apparatus for real time clock (rtc) brownout detection |
11/11/2004 | US20040223349 System and method for reducing transfer function ripple in a logarithmic RMS-to-DC converter |
11/11/2004 | US20040222990 Processing web editor for data processing in a digital oscilloscope or similar instrument |
11/11/2004 | US20040222827 Detector of range of supply voltage in an integrated circuit |
11/11/2004 | US20040222823 Overvoltage detector |
11/11/2004 | US20040222810 Integrated test circuit in an integrated circuit |
11/11/2004 | US20040222799 DC measurement method and system using sigma-delta modulation pattern |
11/11/2004 | US20040222781 Apparatus for accessing telecommunications networks |
11/11/2004 | US20040222778 Method for the precise measurement of dependency on amplitude and phase of a plurality of high frequency signals and a device for carrying out said method |
11/11/2004 | DE4446535B4 Schaltungsanordnung zur Amplitudenmessung Circuit arrangement for amplitude measurement |
11/11/2004 | DE29924677U1 Multi-function tool has a handle with a forward assembly in which sensors or tools can be fitted including sensors for measurement and testing purposes to reduce the amount of instruments needing to be carried |
11/11/2004 | DE102004014728A1 Unit for sensing physical quantity Unit for sensing physical quantity |
11/10/2004 | EP1475641A2 Method and device for precise measurement of dependency on amplitude and phase of plurality of high frequency signals |
11/10/2004 | CN2655248Y AC high-voltage indicator |
11/10/2004 | CN1175439C Current measuring device and method using current mutual inductor with high transforming ratio |
11/09/2004 | USRE38647 Sense amplifier circuit |
11/09/2004 | US6815117 Method for determining a current density distribution in a fuel cell stack |
11/04/2004 | WO2004053944A3 Fast localization of electrical failures on an integrated circuit system and method |
11/04/2004 | US20040217809 Measurement circuit with improved accuracy |
11/04/2004 | US20040216239 Combination hand tool and electrical testing device |
11/04/2004 | DE202004012798U1 Contact monitoring circuit for high-voltage test systems compares end of shield or auxiliary wire with reference potential via semiconducting switch, displaying signal if potential difference exists |
11/04/2004 | DE202004010253U1 Test arrangement on current connection has base plate of insulated material with contour corresponding to current connection, adhesive surface with poles, contact holes for poles and light body |
11/04/2004 | DE10356740A1 Verfahren und Vorrichtung zum Bereitstellen von Leistung und zum Lenken von analogen Mess- und Kommunikationssignalen über ein einzelnes Drähtepaar Method and apparatus for providing power and for routing analog measurement and communication signals over a single wire pair |
11/03/2004 | EP1472547A2 Peak-to-peak signal detector |
11/03/2004 | EP1256004B1 Voltage sensor |
11/03/2004 | EP0934627B1 Circuit arrangement for evaluating a binary signal defined by current threshold values |
11/03/2004 | CN2653518Y Electric cut-off alarm detector |
11/03/2004 | CN1542456A Current measuring method |
11/03/2004 | CN1174254C Measuring device |
11/03/2004 | CN1174253C Circuit and method for detecting voltage state of power supply |
11/03/2004 | CN1174252C Multiplex transmission voltage measuring equipment |
11/02/2004 | US6813209 Current integrating sense amplifier for memory modules in RFID |
11/02/2004 | US6812752 Embedded voltage level detector |
11/02/2004 | US6812689 Method and device for offset-voltage free voltage measurement and adjustment of a reference voltage source of an integrated semiconductor circuit |
11/02/2004 | US6812686 Method of forming an RF detector and structure therefor |
11/02/2004 | US6812666 Current sense IC with circuitry for eliminating ripple current error from motor current measurement |
11/02/2004 | CA2057941C Integrated circuit with analog and digital portions and including thermal modelling |
10/28/2004 | WO2004093317A2 System and method for determining voltage levels |
10/28/2004 | WO2004008159A3 Conductor tracing system |
10/28/2004 | US20040214536 High-speed signal power detection circuit |
10/28/2004 | US20040212401 High frequency signal peak detector |
10/28/2004 | US20040212387 Apparatus for measuring voltage fluctuation waveform in semiconductor integrated circuit, and semiconductor integrated circuit having function for measuring voltage fluctuation waveform |
10/28/2004 | US20040212369 Method and device for detecting a signal |
10/28/2004 | DE202004010521U1 High voltage installation three phase voltage display can be permanently coupled to capacitive interface without connection to fixed coupler |
10/28/2004 | DE10297235T5 Universelles Energieversorgungssystem Universal power supply system |
10/27/2004 | EP1471359A1 Measured value output device, measured value monitor, current value output device, and current monitor |