| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/06/2000 | WO2000039904A1 Method for event analysis at an intelligent electronic device |
| 07/05/2000 | EP1015894A2 Electrical tester for small motor vehicles |
| 07/05/2000 | EP1015858A1 Method and device for determining the charging current of an accumulator |
| 07/05/2000 | CN2386550Y Power-supply socket |
| 07/04/2000 | US6084439 Peak detector circuit with extended input voltage range |
| 06/29/2000 | WO2000037949A1 Method and arrangement for optically detecting an electric current using light signals that have different wavelengths |
| 06/28/2000 | EP1014588A2 Optoelectronic analog-to-digital converter |
| 06/28/2000 | EP1014549A2 DC-to-DC converter with inductor current sensing and related methods |
| 06/28/2000 | EP1014098A1 Direct current meter with passive input and galvanic insulation, particularly for high voltage |
| 06/28/2000 | EP1012974A1 Low power current-to-frequency converter circuit for use in implantable sensors |
| 06/28/2000 | EP1012609A1 Device with wide pass band for measuring electric current intensity in a conductor |
| 06/28/2000 | EP0647854B1 Current sensor and motor rotation sensor using the current sensor |
| 06/28/2000 | CN2385340Y Vehicular test pencil |
| 06/28/2000 | CN2385339Y Magnetic balancing current sensor for current measuring sampling |
| 06/27/2000 | US6081768 Digital peak detector |
| 06/27/2000 | US6081436 Multi-output power supply voltage sensing |
| 06/27/2000 | CA2049139C Electrostatic discharge detector and display |
| 06/22/2000 | WO2000036425A2 Fiber optic current sensor having rotation immunity |
| 06/21/2000 | DE4338714C2 Schaltungsanordnung zur Strommessung über einen Schalttransistor Circuit arrangement for measuring the current through a switching transistor |
| 06/21/2000 | DE19938054A1 Current comparison device; has load circuit to deliver reference current and driver device to generate voltage determined by control of input and reference currents |
| 06/21/2000 | DE19857327A1 Current sensor with overcurrent detector; has magnet core that is driven to saturation in at least one direction, so that over control of current sensor can be determined |
| 06/20/2000 | US6078172 Current-compensated current sensor for hysteresis-independent and temperature-independent current measurement |
| 06/15/2000 | WO2000034793A1 Voltage sensor |
| 06/15/2000 | WO2000010018A3 Method for the surveillance and automatic digital recording of electrical systems perturbations |
| 06/15/2000 | DE19858940A1 Producing effective value of electrical signal, for magnetic levitation railcar |
| 06/15/2000 | DE19854436A1 Measurement arrangement for electric current in conductor |
| 06/14/2000 | CN2383076Y Electroscope of anti high frequency interference |
| 06/14/2000 | CN2383075Y High voltage life indicator |
| 06/14/2000 | CN1256441A Power supply device, portable electronic device, timing device and their control method thereof |
| 06/13/2000 | US6075448 Apparatus and method for testing an electrical circuit |
| 06/08/2000 | WO2000033230A1 System and method for frequency compensation in an energy meter |
| 06/08/2000 | WO2000033095A1 Circuit with improved dynamic response for measuring current in pulse width modulated amplifiers |
| 06/08/2000 | DE19853099A1 Spannungsmeßschaltung Voltage sensing circuit |
| 06/07/2000 | CN1255800A High impedance absolute telephone line voltage measuring circuit |
| 06/06/2000 | US6072339 Current sensing circuit with high input impedance |
| 06/06/2000 | US6072179 Method and apparatus using an infrared laser based optical probe for measuring voltages directly from active regions in an integrated circuit |
| 06/06/2000 | CA2091262C Electronic tester for assessing battery/cell capacity |
| 06/02/2000 | WO2000031554A1 Method for determining an earth-faulted branch |
| 05/31/2000 | EP1004027A1 Magnetic current sensing and short circuit detection in plate structure |
| 05/31/2000 | CN1255199A Generator and method for measuring voltage of same |
| 05/31/2000 | CN1254873A Voltage measuring circuit |
| 05/30/2000 | US6069501 Semiconductor device |
| 05/30/2000 | CA2180538C Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 05/25/2000 | WO2000029858A1 Apparatus and method for remote current sensing |
| 05/25/2000 | CA2350535A1 Apparatus and method for remote current sensing |
| 05/24/2000 | EP1003046A1 Voltage detecting circuit |
| 05/24/2000 | EP1003045A2 Voltage measuring device |
| 05/24/2000 | CN2379809Y On-line monitoring instrument for lightning arrester |
| 05/23/2000 | US6066976 Apparatus and method for improved dynamic range |
| 05/18/2000 | WO2000028337A2 Electronic circuit with a non-continuous discharge path |
| 05/17/2000 | EP1000361A2 Voltage level indicator |
| 05/17/2000 | EP0853765B1 Verdet constant temperature-compensated current sensor |
| 05/17/2000 | CN1052541C Circuit arrangement for current measurement via switching transistor |
| 05/16/2000 | US6064239 Chopper-type voltage comparator |
| 05/16/2000 | US6064238 Low amplitude peak detector |
| 05/16/2000 | US6064193 Method and apparatus for measuring the mean square value of an electrical signal |
| 05/16/2000 | US6064184 Charging circuit for charging a rechargeable battery and for preventing consumption of rechargeable battery power by the charging circuit |
| 05/11/2000 | WO2000026738A1 Current measuring techniques |
| 05/11/2000 | WO2000026679A1 Low cost electrical circuit breaker locater with passive transmitter and receiver |
| 05/11/2000 | DE19855018C1 Error signal generation method for indicating erroneously measured complex phasor value |
| 05/10/2000 | EP0999634A1 Power supply monitoring integrated circuit device and battery pack |
| 05/10/2000 | EP0999454A1 High impedance absolute telephone line voltage measurement circuit |
| 05/10/2000 | EP0998679A1 Device for analysing a single pulse with variable step |
| 05/10/2000 | CN1252909A Arrangement in a subscriber line interface circuit |
| 05/10/2000 | CN1052304C Method of measure of voltage and/or intensity of field and sensor |
| 05/10/2000 | CN1052303C DC current sensor |
| 05/10/2000 | CN1052302C DC current sensor |
| 05/09/2000 | US6061258 Monitoring of current in an inductive load, PWM driven through a bridge stage |
| 05/09/2000 | US6061006 Apparatus for sensing RF current delivered to a plasma with two inductive loops |
| 05/09/2000 | US6060879 Current magnitude sensing circuit |
| 05/09/2000 | US6060744 Semiconductor device with a main current cell region and a current detecting cell region |
| 05/09/2000 | US6060185 Comprising a battery voltage-monitoring means, an overcharge-detecting means for sending out a charge-finishing signal when a voltage detected by the battery voltage-detecting means is higher than a preset value |
| 05/04/2000 | DE19822501C2 Mit akustischen Oberflächenwellen arbeitendes akustoelektronisches Bauelement Surface acoustic wave device working akustoelektronisches |
| 05/04/2000 | DE19623441C2 Elektronische Meßschaltung, insbesondere zum Messen von Strömen, mit einem integrierten Meßwiderstand An electronic measuring circuit, particularly for measuring currents with an integrated measuring resistor |
| 05/03/2000 | EP0998007A1 Integrated circuit device for monitoring power supply |
| 05/03/2000 | CN2376630Y Thunderstreak voltage counter |
| 05/03/2000 | CN1052073C Current measuring circuit comprising mutually couples transformer and integration circuit |
| 05/02/2000 | US6057712 Integrated comparator circuit with four MOSFETS of defined transfer characteristics |
| 05/02/2000 | US6057678 Optical sensor apparatus and signal processing circuit used therein including initialization and measuring modes |
| 04/27/2000 | DE19839910C1 Circuit layout to rectify time-varying voltage and to create output signal on voltage failure; inputs voltage to operational amplifier with peak value rectifier wired in for smoothing out by wired-in RC section |
| 04/25/2000 | US6054891 Solid state relay |
| 04/25/2000 | US6054861 Apparatus for monitoring power of battery to supply electric power to load |
| 04/25/2000 | CA2178129C Current flow indicator |
| 04/24/2000 | WO2000049420A1 Current measuring device and corresponding method |
| 04/20/2000 | WO2000022393A1 Interferometer coupler using multiple input ports for improved stabiblity |
| 04/20/2000 | DE19847648A1 Verfahren zur Bestimmung des Ladezustandes und der Hochstrombelastbarkeit von Batterien A method for determining the state of charge and peak current loadability of batteries |
| 04/20/2000 | DE19847179A1 Circuit arrangement for detecting galvanically separated input voltage, comprising arrangement for providing operating voltage of comparator, and arrangement for producing reference signal |
| 04/20/2000 | DE19845562C1 Method to determine on-board network state of vehicle; involves evaluating instantaneous or time-averaged voltage from which transient alterations has been filtered as battery voltage, and assessing whether this reaches critical threshold |
| 04/20/2000 | CA2340643A1 Interferometer coupler using multiple input ports for improved stabiblity |
| 04/19/2000 | EP0994566A1 Threshold operation circuit and gate circuit using it, self-holding circuit and start signal generation circuit |
| 04/19/2000 | EP0994565A2 Temperature sensing in voltage drive type semiconductor device |
| 04/19/2000 | EP0994362A2 Method for determining the load state and the high current bearing capacity of batteries |
| 04/19/2000 | EP0994335A2 Comparing and amplifying detector circuit |
| 04/19/2000 | EP0829013A4 Fibre optic transducer |
| 04/19/2000 | CN1251171A Magnetic current sensor |
| 04/18/2000 | US6051998 Offset-compensated peak detector with output buffering |
| 04/18/2000 | US6051997 Circuit for tracking rapid changes in mid-point voltage of a data signal |
| 04/13/2000 | WO2000020879A1 Imaging using spatial frequency filtering and masking |
| 04/13/2000 | DE19844465A1 Current measuring circuit arrangement |
| 04/12/2000 | EP0992886A2 Method and device for determining the energy of a signal |