| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/27/2008 | CN201107347Y Display for high voltage live display device |
| 08/27/2008 | CN201107346Y Multifunctional crest voltage meter dual power supply apparatus |
| 08/27/2008 | CN201107345Y Lock-shaped cable fault display performing mechanism |
| 08/27/2008 | CN201107344Y Charging level indicator of motorcycle |
| 08/27/2008 | CN201107331Y Water proof voltmeters case |
| 08/27/2008 | CN201107072Y Double low pressure testing circuit for active card type burnt gas, water gage meters |
| 08/27/2008 | CN201107057Y Three detection circuits |
| 08/27/2008 | CN201107055Y Three detection circuits |
| 08/27/2008 | CN201107054Y Three detection circuits |
| 08/27/2008 | CN101253412A Process and apparatus for estimating circuit delay |
| 08/27/2008 | CN101252129A Semiconductor device |
| 08/27/2008 | CN101251944A Rapid response on-off value linear temperature-sensitive detector and alarming method |
| 08/27/2008 | CN101251560A Coupled type photoelectricity integration sensor for electric field measurement |
| 08/27/2008 | CN101251559A Non-electrode type photoelectricity integrated sensor for measuring highfield |
| 08/27/2008 | CN101251554A Control processing method and device for optical fiber current transformer |
| 08/27/2008 | CN101251394A Energy testing sensor |
| 08/27/2008 | CN100414309C Test apparatus for evaluating electrical properties of liquid toner and test method for the same |
| 08/27/2008 | CN100414306C Overcurrent alarming circuit |
| 08/21/2008 | WO2008055499A3 Advanced real-time grid monitoring system and method |
| 08/21/2008 | US20080201091 Sample electrification measurement method and charged particle beam apparatus |
| 08/21/2008 | US20080201055 Vehicle-use battery monitor apparatus |
| 08/21/2008 | US20080198277 Indicator of Presence of Ac Voltage |
| 08/21/2008 | US20080196950 Method and system for determing current in an electrical component |
| 08/21/2008 | US20080196795 Method of Producing a Strip of Nanocrystalline Material and Device For Producing a Wound Core From Said Strip |
| 08/21/2008 | DE102008006755A1 Batterie-Überwachungsvorrichtung für die Verwendung in einem Fahrzeug Battery monitoring apparatus for use in a vehicle |
| 08/21/2008 | DE102007007716A1 Connection head for combi-transformer for current and voltage measurement in energy supply networks, is in connection chamber or box, in which electronic components are received for evaluation of potentiometer of rogowski-coil part |
| 08/21/2008 | DE102005051848B4 Schaltungsanordnung zur temperaturdriftkompensierten Strommessung Circuit arrangement for temperature drift compensated current measurement |
| 08/21/2008 | DE10042920B4 Stromdetektor Current detector |
| 08/21/2008 | DE10038645B4 Vorrichtung und Verfahren zum Erfassen eines elektrischen Stroms auf der Grundlage eines elektrischen Signals von einem magneto-elektrischen Umwandlungselement Apparatus and method for detecting an electric current based on an electric signal from a magneto-electric conversion element |
| 08/20/2008 | EP1959263A1 Power sensing in electrical systems |
| 08/20/2008 | EP1957992A2 Diagnostic system for power converter |
| 08/20/2008 | CN201104270Y Simple electrical heating wire testing apparatus |
| 08/20/2008 | CN201104269Y Weighing bridge |
| 08/20/2008 | CN101248468A Current monitor |
| 08/20/2008 | CN101246973A Vehicle-use battery monitoring apparatus |
| 08/20/2008 | CN101246196A Double-segment zinc oxide lightning arrester insulation status testing method |
| 08/20/2008 | CN101246195A System, device and method for electric arc fault detection |
| 08/20/2008 | CN101246188A Monitoring method for organic coating material carrier density |
| 08/20/2008 | CN101246187A Inverter input current detecting device and method thereof |
| 08/19/2008 | US7415370 Method of compressing values of a monitored electrical power signal |
| 08/19/2008 | US7414389 Low-power battery pack with hall-effect sensor |
| 08/19/2008 | US7414386 Methods for testing optical transmitter components |
| 08/14/2008 | WO2008034092A8 System and method for detecting non-cathode arcing in a plasma generation apparatus |
| 08/14/2008 | US20080194943 Perfusion Weighted Mri with Local Arterial Input Functions |
| 08/14/2008 | US20080192389 Arc suppression device, system and methods for liquid insulated electrical apparatus |
| 08/14/2008 | US20080191732 Supply Voltage Monitoring |
| 08/14/2008 | US20080191703 Wide range current sensing method and system |
| 08/14/2008 | US20080191685 Signal communication across an isolation barrier |
| 08/14/2008 | US20080191682 Method and apparatus for locating subterranean optical fiber |
| 08/13/2008 | EP1956379A1 Indicia for channels collected into a group |
| 08/13/2008 | CN201100865Y Small current low voltage optical grating sensor |
| 08/13/2008 | CN201100864Y Lithium battery activation detection table |
| 08/13/2008 | CN101241376A Intelligent switch power source power detection and control device |
| 08/13/2008 | CN101241375A Integrated circuit, electronic system and method for regulating voltage for supplying to circuit |
| 08/13/2008 | CN101241374A Apparatus, system and method for regulating power voltage |
| 08/13/2008 | CN101241161A Single-phase three-hole power socket detection device |
| 08/13/2008 | CN101241156A Method for loading direct current mutual-inductor for applying to converter transformer bias magnet monitoring |
| 08/13/2008 | CN101241149A Caking and flaking detection method and detection device in polypropylene production |
| 08/13/2008 | CN101241148A Rain and snow preventing clectroscope possessing insulator |
| 08/13/2008 | CN101241147A Apparatus for measuring an electric current flowing through an electrical conductor |
| 08/13/2008 | CN101241095A High-temperature high pressure array electrode sensor device |
| 08/13/2008 | CN101241038A Method for determining detection signal source sequence |
| 08/13/2008 | CN100411290C Intelligent type power supply and its method |
| 08/13/2008 | CN100410674C Device for checking faulty component in the overhead transmission line or lightning stroke |
| 08/13/2008 | CN100410669C Electronic type current transformer |
| 08/13/2008 | CA2574780A1 Optical assemblage for detecting and reading the current in indoor and outdoor low, medium and high voltage systems |
| 08/12/2008 | US7412351 Correlating power signatures with automated equipment |
| 08/12/2008 | US7412305 Power supply detection device and method |
| 08/12/2008 | US7411420 High-speed input signal receiver circuit |
| 08/12/2008 | US7411405 Method and apparatus for reliable network cable connectivity |
| 08/12/2008 | CA2336018C Current detector and current measurement apparatus including such detector |
| 08/07/2008 | WO2008094232A1 Current source with indirect load current signal extraction |
| 08/07/2008 | WO2008073734A3 Magnetic monitoring of a faraday cup for an ion implanter |
| 08/07/2008 | WO2008073734A2 Magnetic monitoring of a faraday cup for an ion implanter |
| 08/07/2008 | US20080186014 Power array system and method |
| 08/07/2008 | US20080186012 Sensors and sensing methods for three-phase, gas insulated devices |
| 08/07/2008 | US20080186011 Root median square power measurement |
| 08/07/2008 | DE102007005748A1 Vorrichtung zum Überwachen von Ableitvorgängen in einem Leiter eines Mittel- oder Hochspannungssystems Apparatus for monitoring discharge in a conductor of a medium or high voltage system |
| 08/07/2008 | DE10045670B4 Stromerfassungsvorrichtung und Stromerfassungsverfahren Current detecting device and current detecting method |
| 08/07/2008 | DE10041599B4 Stromsensor und elektrischer Schaltkreis, der diesen benutzt Current sensor and electrical circuit that uses this |
| 08/06/2008 | EP1953557A1 Current detection circuit |
| 08/06/2008 | EP1951469A2 Monitor device for monitoring the exposure of circuits to current and voltage from a tool |
| 08/06/2008 | CN201096875Y Fuel cell current measuring circuit |
| 08/06/2008 | CN201096856Y Detection and display device for ion wind operation state |
| 08/06/2008 | CN201096849Y A high level voltage measuring system for high-voltage DC transmission conversion valve |
| 08/06/2008 | CN201096835Y Power measuring device for three-phase power meter |
| 08/06/2008 | CN201096833Y Photoelectric mutual inductor merger with analog interface |
| 08/06/2008 | CN201096832Y Monitoring device for transformer sub-station voltage and power |
| 08/06/2008 | CN201096831Y Box body component for high-voltage power indicator |
| 08/06/2008 | CN201096830Y Sound and light indicated power measuring pen |
| 08/06/2008 | CN201096829Y DC motor current detection circuit |
| 08/06/2008 | CN201096828Y A three-phase current detection circuit for AC frequency converter |
| 08/06/2008 | CN201096827Y Spark plug ion current detection circuit |
| 08/06/2008 | CN201096826Y Meter header control wave generator |
| 08/06/2008 | CN201096825Y Thunder online monitoring device for transmission line |
| 08/06/2008 | CN201096824Y A box low-radiation high-voltage precise detection device |
| 08/06/2008 | CN201096818Y Sensing optical fiber ring |
| 08/06/2008 | CN201096817Y Testing tool for distribution transformer load current |
| 08/06/2008 | CN201096521Y Non-contact type plasma temperature and electron density measuring apparatus |
| 08/06/2008 | CN101237101A Omnipotent secure plug with the alarm device |