| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
|---|
| 11/11/1997 | US5686879 Ammeter |
| 11/06/1997 | DE19712900A1 Sensor system for measuring electric current and voltage esp. for medium voltage |
| 11/05/1997 | EP0804739A1 Electricity measurement apparatus and method |
| 11/04/1997 | CA2100135C Dc current sensor |
| 10/29/1997 | EP0803067A1 Two-way dc-to-dc voltage converters and current sensor |
| 10/29/1997 | CN2266132Y Current transducer |
| 10/29/1997 | CN1163405A Multifunctional digital high voltage measurer |
| 10/23/1997 | DE19614973A1 AC sensor with parallel plate geometry and shunt for self powering |
| 10/22/1997 | CN2265582Y Outdoor dry current transformer |
| 10/21/1997 | US5679973 Lateral hall element |
| 10/16/1997 | WO1997038320A1 Measuring device for measuring electric currents in a force-loaded current conductor |
| 10/15/1997 | CN1162123A Light-applied measuring device, mfg. method, and light-applied current measuring device thereof |
| 10/14/1997 | US5677678 Fault indicator having auxiliary fault sensing winding |
| 10/14/1997 | US5677623 Fault powered fault indicator having timed reset |
| 10/14/1997 | US5677622 Current sensor using a Sagnac interferometer and spun, single mode birefringent optical fiber to detect current via the Faraday effect |
| 10/14/1997 | US5677604 Control system and control method for electric automobile |
| 10/14/1997 | CA2085770C Optical sensor |
| 10/09/1997 | DE19613688A1 Low voltage measurement device |
| 10/09/1997 | DE19613664A1 Meßvorrichtung zum Messen elektrischer Ströme in einem kraftbelasteten Stromleiter Measuring apparatus for measuring electrical currents in a power-loaded conductor |
| 10/08/1997 | CN2264372Y Secondary loop full voltage automatic compensator of voltage mutual-inductor |
| 09/24/1997 | CN2263349Y Total circuit testing intelligence meter |
| 09/24/1997 | CN1160207A Superwide load electronic KWH meter |
| 09/23/1997 | US5670871 Polymeric film electrooptic sensor device |
| 09/23/1997 | CA2069858C Circuit for measuring battery current |
| 09/17/1997 | EP0749584B1 Optical sensor for measuring voltage independently of the path of transmission |
| 09/17/1997 | CN1159856A Process and device for measuring an altenating electric quantity with temperature compensation |
| 09/11/1997 | DE19608944A1 Magneto=optic sensor current determination method giving optical signal esp. for HV applications |
| 09/10/1997 | EP0794450A1 A grooved optical fiber for use with an electrode and a method for making same |
| 09/10/1997 | EP0794430A2 Method and apparatus for evaluation and inspection of composite-repaired structures |
| 09/10/1997 | CN2262245Y Voltage type current sensor |
| 09/10/1997 | CN2262244Y Current diverter |
| 09/09/1997 | US5666062 Voltage measuring using electro-optic material's change in refractive index |
| 09/09/1997 | US5666048 For electrophoretic separation of one or more samples |
| 09/09/1997 | US5665913 Method and apparatus for evaluation and inspection of composite-repaired structures |
| 09/05/1997 | CA2196714A1 A grooved optical fiber for use with an electrode and a method for making same |
| 09/04/1997 | WO1997032217A1 Apparatus for measuring a.c. current in a cable |
| 09/04/1997 | WO1997022883A3 Optical measuring process and optical measuring arrangement for measuring an alternating quantity with intensity scaling |
| 09/03/1997 | EP0792465A1 A device for sensing of electric discharges in a test object |
| 09/02/1997 | US5663652 Method for measuring current distribution in an integrated circuit by detecting magneto-optic polarization rotation in an adjacent magneto-optic film |
| 08/27/1997 | EP0791178A1 Current transducers |
| 08/26/1997 | US5661410 Method and apparatus for the detection of the current distribution in a conductor of an electric machine |
| 08/26/1997 | US5661396 Method for detecting digital carrier signals on twisted pair transmission lines |
| 08/26/1997 | US5661235 Multi-dimensional capacitive transducer |
| 08/26/1997 | CA2063524C Optical sensor and method for producing the same |
| 08/20/1997 | EP0789840A1 Current/voltage transformer for the detection of the electron current in a scanning tunnelling-electron microscope |
| 08/20/1997 | CN1157656A Process and device for measuring alternating electric current with temperature compensation |
| 08/14/1997 | WO1997021108A3 Optical measurement method and optical measurement device for measuring an alternating magnetic field with intensity normalization |
| 08/13/1997 | EP0789245A2 Voltage measuring device |
| 08/13/1997 | EP0536258B1 Faulted circuit detector having isolated indicator |
| 08/13/1997 | CN2259677Y Measuring AC/DC mutual inductor |
| 08/12/1997 | US5656935 Variable color display system |
| 08/12/1997 | US5656934 Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method |
| 08/12/1997 | US5656928 Surrounding state measuring apparatus utilizing an impedance element |
| 08/06/1997 | EP0788122A2 Method and apparatus for measuring an ac current which saturates the core of a current transformer |
| 08/06/1997 | EP0787997A2 Adaptive digital filter for improved measurement accuracy in an electronic instrument |
| 08/06/1997 | CN2258993Y Electricity test film |
| 08/06/1997 | CN2258992Y Multiphase installation type rectification ac voltage meter |
| 08/05/1997 | US5654630 Contactless sensor driven by single power supply |
| 08/01/1997 | CA2192588A1 Apparatus and method for measuring an ac current which saturates the core of a current transformer |
| 07/31/1997 | WO1997020222A3 Process and device for measuring a quantity, in particular an electric current, with a high measurement resolution |
| 07/30/1997 | EP0786092A1 Optical measuring process and device for measuring an electric a.c. voltage or an electric alternating field with temperature compensation |
| 07/30/1997 | EP0786091A1 Process and device for measuring an alternating electric quantity with temperature compensation |
| 07/29/1997 | US5652521 Insulation monitoring system for insulated high voltage apparatus |
| 07/29/1997 | US5652507 Apparatus and method for measuring an AC current which saturates the core of a current transformer |
| 07/24/1997 | WO1997026547A1 Optical measuring method and device for measuring a magnetic alternating field with an expanded measuring range and good linearity |
| 07/24/1997 | CA2243211A1 Optical measuring method and device for measuring a magnetic alternating field with an expanded measuring range and good linearity |
| 07/23/1997 | EP0785439A2 Device for optically measuring physical quantity in power equipment and method of manufacturing the same |
| 07/23/1997 | CN2258311Y Current transformer with voltage extractor |
| 07/23/1997 | CN2258278Y Contactless DC current tester |
| 07/22/1997 | US5650771 Electrical socket with monitoring unit for monitoring operating conditions |
| 07/17/1997 | WO1997018477A3 Current measurement in turbogenerators |
| 07/16/1997 | EP0784206A2 Means for measuring the electric field |
| 07/16/1997 | EP0783703A1 Fault sensor device with radio transceiver |
| 07/16/1997 | EP0783701A1 Optical interferometric current sensor and a method for measuring an electrical current |
| 07/16/1997 | EP0783700A1 Device for measuring an electric current |
| 07/10/1997 | DE19623810C1 Temp calibration system for optical magnetic field measuring device |
| 07/09/1997 | EP0783110A1 Current sensor having a wide range of operation |
| 07/08/1997 | US5645622 Method of annealing a fiber within a coiled tube to thereby make a fiber coil for a Faraday-effect current-sensor |
| 07/03/1997 | DE19549181A1 Appliance for measuring the current in conductor |
| 07/02/1997 | EP0782002A1 Process and means for contact free measurement of a current |
| 07/02/1997 | EP0757870A4 Self-powered powerline sensor |
| 06/26/1997 | WO1997022884A1 Current sensing device |
| 06/26/1997 | WO1997022883A2 Optical measuring process and optical measuring arrangement for measuring an alternating quantity with intensity scaling |
| 06/26/1997 | WO1997022845A1 Multi-dimensional capacitive transducer |
| 06/26/1997 | DE19653255A1 Eliminating double refraction interference in magneto-optical current measurement |
| 06/26/1997 | DE19548467A1 Mechanical oscillation damper for e.g. maintaining accuracy of optical fibre sensors |
| 06/26/1997 | CA2240493A1 Current sensing device |
| 06/25/1997 | EP0780692A2 Sensor for detecting partial discharge pulses in high voltage equipment |
| 06/25/1997 | EP0780691A2 Sensor for detecting partial discharge pulses in multiphase high voltage equipment |
| 06/25/1997 | EP0779988A1 Process and device for measuring an alternating electric current with temperature compensation |
| 06/25/1997 | CN2257020Y Multifunctional digital multimeter |
| 06/24/1997 | US5642041 Alternating current sensor employing parallel plates and having high dynamic range and accuracy |
| 06/19/1997 | WO1997022012A1 Electro-optic voltage sensor |
| 06/19/1997 | DE19547021A1 Optisches Meßverfahren und optische Meßanordnung zum Messen einer Wechselgröße mit Intensitätsnormierung Optical measuring methods and optical measuring device for measuring a change size with intensity normalization |
| 06/18/1997 | EP0779632A1 Multilayer structure and sensor and fabrication process |
| 06/17/1997 | US5640155 Meter cradle with wireless communication port |
| 06/17/1997 | US5640154 Insulation monitoring system for insulated high voltage apparatus |
| 06/12/1997 | WO1997021108A2 Optical measurement method and optical measurement device for measuring an alternating magnetic field with intensity normalization |
| 06/12/1997 | DE19545759A1 Optisches Meßverfahren und optische Meßvorrichtung zum Messen eines magnetischen Wechselfeldes mit Intensitätsnormierung Optical measuring methods and optical measuring device for measuring an alternating magnetic field with intensity normalization |
| 06/12/1997 | CA2239860A1 Optical measurement method and optical measurement device for measuring an alternating magnetic field with intensity normalization |