| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 09/22/2005 | US20050206386 Switching circuit and individual voltmeter apparatus |
| 09/22/2005 | US20050206367 Automatic range finder for electric current testing |
| 09/22/2005 | US20050206364 Apparatus and method for switch control, and voltage measuring device |
| 09/22/2005 | DE102005005026A1 Voltage detector for vehicle control units has resistive divider with rectifying and detection diodes feeding analogue to digital converter |
| 09/21/2005 | EP1456675B1 Input buffer and method for voltage level detection |
| 09/21/2005 | EP1102999B1 Method and apparatus using an infrared laser probe for measuring voltages directly in an integrated circuit |
| 09/21/2005 | CN2727749Y Universal capacity-resistance device stepdown ground wire electrified detecting device for electrical appliance |
| 09/21/2005 | CN2727748Y Accurate ammeter |
| 09/21/2005 | CN2727747Y All-circuit self-checking AC high-voltage electroscope |
| 09/21/2005 | CN1670537A Electric voltage observation circuit |
| 09/21/2005 | CN1670536A Lightning stroke detection and warning system |
| 09/21/2005 | CN1670535A Method for testing a TFT array |
| 09/21/2005 | CN1220298C Voltage measuring circuit of battery pack |
| 09/20/2005 | US6947863 Process and circuit arrangement to monitor physical parameters |
| 09/20/2005 | US6947856 Method and device for detecting a signal |
| 09/20/2005 | US6946881 Method to detect the polarity of sync signals without external capacitor or clock |
| 09/20/2005 | US6946846 Circuit for measuring on-chip power supply integrity |
| 09/20/2005 | US6946845 Current, voltage and temperature measuring circuit |
| 09/20/2005 | US6946829 Device for measuring a chopped current |
| 09/20/2005 | US6946828 Bi-directional current measurement circuit that uses a transconductance amplifier to generate a copy current |
| 09/15/2005 | WO2005085879A1 Current detecting circuit, load drive, and storage |
| 09/15/2005 | US20050200386 Fuse sense circuit |
| 09/15/2005 | US20050200385 Fuse sense circuit |
| 09/15/2005 | US20050200368 Stud sensor with floating head |
| 09/15/2005 | DE19931268B4 Optische Abtastvorrichtung Optical scanning device |
| 09/15/2005 | DE102004039392B3 Detecting current in electrical device driven by field effect transistor using pulse width modulation involves deriving current from pulse width modulation, source-daring voltage, ambient temperature and supply voltage |
| 09/14/2005 | EP1574863A1 Method of measuring a monophase voltage |
| 09/14/2005 | CN1667425A Device for checking faulty component in the overhead transmission line or lightning stroke |
| 09/13/2005 | US6944556 Circuits and methods for current measurements referred to a precision impedance |
| 09/13/2005 | US6944004 Arrangements to detect and respond to disturbances in electrical power systems |
| 09/13/2005 | US6943592 Detector of range of supply voltage in an integrated circuit |
| 09/13/2005 | US6941869 Sensor for monitoring electronic detonation circuits |
| 09/08/2005 | US20050194996 Polarity-insensitive signal detect circuit for use with any signal sequence |
| 09/08/2005 | US20050194929 Battery-powered tool capable of detecting discharged battery pack |
| 09/08/2005 | DE202005008269U1 Satellite television signal quality level tester has analogue and digital filters with outputs adjusted to providing logarithmic input to LED level display |
| 09/08/2005 | DE10393465T5 Stromintegrierender Leseverstärker für Speichermodule bei der RFID Integrating current sense amplifier for memory modules in the RFID |
| 09/08/2005 | DE102004007209A1 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 |
| 09/07/2005 | EP1571458A1 Battery-powered tool capable of detecting discharged battery pack |
| 09/07/2005 | EP1571455A2 Power supply noise measuring device |
| 09/07/2005 | EP1570510A2 Fast localization of electrical failures on an integrated circuit system and method |
| 09/07/2005 | EP1358490B1 Method for evaluating a measuring signal and corresponding circuit arrangement |
| 09/07/2005 | CN2724254Y Novel power source extension line |
| 09/07/2005 | CN2724009Y AC voltage meter |
| 09/07/2005 | CN1665098A Battery-powered tool capable of detecting discharged battery pack |
| 09/07/2005 | CN1664603A Current density distribution measuring shim inside fuel cells |
| 09/07/2005 | CN1664593A Device for measuring electrical double layer streaming potential in thin-film lubrication |
| 09/07/2005 | CN1218187C Method and apparatus for detecting failed thyristor |
| 09/06/2005 | US6941235 Method and system for analyzing quiescent power plane current (IDDQ) test data in very-large scale integrated (VLSI) circuits |
| 09/06/2005 | US6941233 Arrangements to detect and respond to disturbances in electrical power systems |
| 09/06/2005 | US6940416 Low voltage testing and illuminating device |
| 09/06/2005 | US6940316 Comparator circuit |
| 09/06/2005 | US6940265 Device, ammeter and motor vehicle |
| 09/01/2005 | WO2005081005A1 Detection method for an electrical polyphase machine |
| 09/01/2005 | WO2005080998A1 Method and apparatus for monitoring power quality in an electric power distribution system |
| 09/01/2005 | WO2005080997A1 Voltage detecting circuit and battery device using same |
| 09/01/2005 | US20050190518 Current detection circuit and protection circuit |
| 09/01/2005 | US20050190169 Method and device for testing a thin film transistor array |
| 09/01/2005 | US20050189981 Current detection circuit of bidirectional switch |
| 09/01/2005 | US20050189960 Method for testing a thin film transistor array |
| 09/01/2005 | US20050189949 Flying capacitor type battery voltage detector |
| 09/01/2005 | US20050189817 Power supply loading indicators and methods |
| 09/01/2005 | DE102004006298A1 Verbindungsanordnung für ein Messelement eines Batteriesensors Connection arrangement for a sensing element of a battery sensor |
| 09/01/2005 | CA2498545A1 Power supply noise measuring device |
| 08/31/2005 | CN2722259Y Power frequency parameter measuring device of high-voltage transmission circuit |
| 08/31/2005 | CN2721327Y Flexible screw driver with illuminating electric tester |
| 08/31/2005 | CN2721326Y Flexible screw driver of illuminating electric tester |
| 08/31/2005 | CN1661691A Signal generating circuit and optical pickup device provided therewith |
| 08/31/2005 | CN1661379A Current detection circuit and protection circuit |
| 08/31/2005 | CN1661378A Thin film transistor array, method and device for testing a thin film transistor array |
| 08/31/2005 | CN1661377A Method for testing a thin film transistor array |
| 08/30/2005 | US6937071 High frequency differential power amplifier |
| 08/30/2005 | US6937070 Amplitude-detecting method and circuit |
| 08/30/2005 | US6937052 Sensing services and sensing circuits |
| 08/30/2005 | US6937034 Absolute value calculating element for converting AC signals into DC signals |
| 08/30/2005 | US6937025 Method and circuit employing current sensing to read a sensor |
| 08/25/2005 | WO2005076699A2 Integrating electrometer amplifying circuit |
| 08/25/2005 | US20050187725 Method and apparatus for monitoring power quality in an electric power distribution system |
| 08/25/2005 | US20050185525 Signal generating circuit and optical pickup device provided therewith |
| 08/25/2005 | US20050184798 Comparator |
| 08/25/2005 | DE10393175T5 Eingangsfilter für eine AC-Motorphasenstromerfassung Input filter for an AC motor phase current detection |
| 08/25/2005 | DE10258766B4 Schaltungsanordnung zur Steuerung und Erfassung des Laststroms durch eine Last Circuit arrangement for controlling and detecting the load current by a load |
| 08/25/2005 | DE102005001179A1 Einpoliger Spannungsdetektor, insbesondere für eine oberirdische elektrische Leitung Single-pole voltage detector, in particular for overhead electrical line |
| 08/24/2005 | EP1566643A1 Method for checking-on-overload of the current output of an electrical equipment, and for checking such an equipment |
| 08/24/2005 | CN2720450Y High-voltage transmission line parameter detector |
| 08/24/2005 | CN2720449Y Self-power-supply type detection pile used in sacrificing anode-cathode protection system |
| 08/24/2005 | CN1657955A Forging abnormal detection device of forged component forming machine |
| 08/24/2005 | CN1657954A One-chip with outer digital analog converter for earth wire charged testing device |
| 08/24/2005 | CN1657953A One-chip with built-in digital / analog converter for earth wire charged testing device |
| 08/23/2005 | US6933729 Method and apparatus for measuring on-chip power supply integrity |
| 08/23/2005 | US6933728 Method and apparatus for measuring voltage of battery module of electric vehicle |
| 08/23/2005 | US6933712 Electrical circuit tracing and identifying apparatus and method |
| 08/18/2005 | WO2005076020A1 Method and device for detecting a temperature-dependent operating parameter of a component |
| 08/18/2005 | WO2005075712A2 Ecmp system |
| 08/18/2005 | WO2005074661A2 Rf sensor clamp assembly |
| 08/18/2005 | US20050182577 Method of measuring a monophase voltage |
| 08/18/2005 | US20050179576 Test circuit for evaluating characteristic of analog signal of device |
| 08/18/2005 | US20050179477 Integrated circuit and method for generating a ready signal |
| 08/18/2005 | US20050179441 Circuit arrangement and method for determining the load current through an inductive load connected to a supply voltage in a clocked manner |
| 08/18/2005 | DE29924744U1 Measuring method for high voltage feedthrough for transformer by using potential division and processing in two independent channels for RMS and peak values |
| 08/18/2005 | DE10392875T5 Transformator, Transformationsvorrichtung, Transformationsverfahren und maschinenlesbares Medium, auf dem ein Programm gespeichert ist Transformer, transforming means, transforming method and machine-readable medium on which a program is stored |