| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
|---|
| 05/10/1995 | EP0652441A1 Rogowski coil to be used in an electrical installation wiht grounded metallic enclosure and method of manufacturing such a coil |
| 05/09/1995 | US5414400 Rogowski coil |
| 05/09/1995 | CA2135129A1 Rogowski coil for use in an electrical installation with grounded metallic covering and process for the manufacture of said coil |
| 05/03/1995 | EP0651258A2 DC current sensor |
| 05/03/1995 | CN2196308Y Portable pointer universal avometer with function of measuring frequency |
| 05/03/1995 | CA2134576A1 Dc current sensor |
| 05/02/1995 | US5412312 Frequency and instantaneous voltage level meter |
| 04/27/1995 | DE4334469A1 Method and arrangement for evaluating a value measured by a measuring convertor (transducer) |
| 04/26/1995 | EP0650066A1 Optical current transducer |
| 04/25/1995 | US5410243 Three-phase collected type optical current transformer |
| 04/20/1995 | DE4401070C1 Device for mounting a data carrier on an electrical conductor |
| 04/19/1995 | EP0649026A2 Multimeter with automatic setting of the measuring function |
| 04/19/1995 | CN2195097Y Multifunctional HF measurer |
| 04/18/1995 | US5408236 High-voltage unit comprising a measuring divider/resistor arrangement |
| 04/18/1995 | US5408176 Monitoring and fault protection of high voltage switch yards |
| 04/18/1995 | US5408092 Multiple optic sensor system |
| 04/13/1995 | WO1995010046A1 Method and device for measuring an alternating electrical quantity to include temperature compensation |
| 04/13/1995 | WO1995010045A1 Method and device for measuring an electric current using two oppositely directed light signals and making use of the faraday effect |
| 04/12/1995 | EP0647853A2 DC current sensor |
| 04/12/1995 | CN2194517Y Photo-electricity converter |
| 04/11/1995 | US5406195 Phase-to-phase voltage monitor for three-phase power distribution system |
| 04/06/1995 | WO1995009447A1 Current sensor comprising a magnetoresistive strip and method of production |
| 04/05/1995 | EP0646247A1 Terminal for connecting live conductors |
| 04/05/1995 | CN2194006Y Current sensor |
| 04/04/1995 | CA1335113C Current sensors |
| 03/29/1995 | EP0645661A1 Liquid crystal projection panel |
| 03/29/1995 | EP0645636A1 Electronic watthour meter |
| 03/29/1995 | EP0645635A2 Electro-optic voltage detector |
| 03/29/1995 | CN2193555Y Rod-type megger |
| 03/23/1995 | DE4403077A1 Circuit arrangement for an AC converter and method for operation |
| 03/22/1995 | EP0644433A1 Electronic watthour meter |
| 03/22/1995 | EP0644431A1 Electronic watthour meter |
| 03/21/1995 | US5399972 Spark intensity transient peak voltmeter for secondary ignition circuit testing mounted in dashboard |
| 03/21/1995 | US5399905 Resin sealed semiconductor device including multiple current detecting resistors |
| 03/16/1995 | DE4331265A1 Current transformer for cables |
| 03/16/1995 | DE4330666A1 Measuring instrument for detecting and displaying various measured values |
| 03/15/1995 | CN1027927C Three-phase collected type optical current transformer |
| 03/08/1995 | EP0641444A1 Optical voltage and electric field sensor based on the pockels effect |
| 03/07/1995 | US5396168 Digital multimeter with microprocessor control |
| 03/07/1995 | US5396166 Fiber optic interferometric electric field and voltage sensor utilizing an electrostrictive transducer |
| 03/02/1995 | DE4429749A1 Methode und elektronischer Kreis für die Analyse analoger Signale Method and electronic circuit for the analysis of analog signals |
| 03/01/1995 | EP0454860B1 Potential sensor using electro-optical crystal and method of measuring potential |
| 02/22/1995 | CN2190303Y Electronic energy-preserving tester |
| 02/16/1995 | DE4327130A1 Method for detecting small magnetic flux variations with magnetic field-dependent sensors, in particular for current detection in lines, as well as corresponding device |
| 02/15/1995 | CN2189748Y Multi-function electroscope |
| 02/15/1995 | CN2189747Y Speech sound number-off multimeter casing |
| 02/15/1995 | CN1098785A Sensor head for a fiber-optic current measuring device |
| 02/01/1995 | EP0636892A2 Electrostatic voltmeter |
| 02/01/1995 | CN2188776Y Digital sound reporting value multitester |
| 01/25/1995 | EP0635725A2 Electronic circuit for monitoring the presence of a voltage and for comparing the phase in conductors of electric lines |
| 01/25/1995 | EP0635724A2 Electrostatic earth-ground potential measurement |
| 01/24/1995 | US5384638 Sampling-type optical voltage detector utilizing movement of interference fringe |
| 01/19/1995 | WO1995002195A1 Device for measuring the potential of a high voltage conductor |
| 01/19/1995 | WO1995002194A1 Electric field sensor |
| 01/19/1995 | WO1995002193A1 Electric field sensor |
| 01/19/1995 | WO1995002192A1 Electric field sensor |
| 01/19/1995 | WO1995002191A1 Optical electric field sensor |
| 01/18/1995 | EP0634574A2 Coreless detector for ignition discharge current |
| 01/18/1995 | EP0619021A4 Current sensor. |
| 01/17/1995 | US5382901 Optical magnetic field sensor capable of precise measurement without temperature induced errors |
| 01/17/1995 | US5382896 For an electronic trip device |
| 01/17/1995 | CA2002353C Optical sensing apparatus and method |
| 01/16/1995 | CA2128035A1 Coreless detector for ignition discharge current |
| 01/11/1995 | EP0633476A2 Reduced flux current sensor |
| 01/11/1995 | CN2187311Y Inductance and capacitance testing extra equipment for multitesters |
| 01/11/1995 | CN2187310Y Magnetoelectric amplifying sensor |
| 01/10/1995 | US5381458 Method and apparatus for precisely measuring accelerating voltages applied to x-ray sources |
| 01/10/1995 | US5381123 Transformer, especially a measurement transformer, for detecting faults on electrical cables |
| 01/04/1995 | EP0632277A2 Testing device |
| 12/28/1994 | EP0631395A1 Signal processing circuitry comprising an input stage with variable gain |
| 12/28/1994 | EP0631145A2 Current measuring method and device for bridge circuits |
| 12/28/1994 | EP0631144A1 High voltage differential sensor having a capacitive attenuator |
| 12/28/1994 | EP0630479A1 Measuring range adapter. |
| 12/28/1994 | CN2186401Y Multifunction multitester with sychronizing measuring time-sharing display |
| 12/22/1994 | WO1994029733A1 Process for contactlessly determining electrical measurements |
| 12/21/1994 | EP0629864A1 Optoelectronic system for the acquisition of voltage presence and phase signals |
| 12/21/1994 | CN1096585A High and low voltage electric energy metering device with automatic control of ratio switching of current transformer |
| 12/14/1994 | CN1096405A 30 deg. stepping phase-shifting circuit |
| 12/13/1994 | US5373410 For measuring voltages |
| 12/08/1994 | WO1994028429A1 Method and device for measuring the dynamic components of an electric current in the presence of a continuous component |
| 12/08/1994 | DE4318716A1 Magnetic field sensor in the form of a bridge circuit |
| 12/08/1994 | DE4318288A1 Testing device |
| 12/07/1994 | EP0627630A2 Differential current sensing method and apparatus |
| 12/07/1994 | EP0627084A1 Method and apparatus for measuring voltage |
| 11/30/1994 | EP0386272B1 Current sensor circuit |
| 11/30/1994 | CN2184210Y Electronic integrated simulation type universal meter |
| 11/24/1994 | WO1994027157A1 Current measurement transducer based on magnetic flux density measurement |
| 11/23/1994 | CN1095483A Microwave probe for coplanar integrated circuit chip |
| 11/17/1994 | EP0624252A1 Electric current measurement |
| 11/16/1994 | CN1095162A Differential current sensing method and apparatus |
| 11/15/1994 | US5365175 Method of locating ground faults |
| 11/15/1994 | US5363535 Carpet cleaning machine with convertible-use feature |
| 11/10/1994 | WO1994025973A1 Integrated electrical system |
| 11/10/1994 | DE4314484A1 Datenerfassung zum Ansatz an ein mobiles elektronisches Vielfachmeßgerät, insbesondere ein Handmultimeter Collection of data on approach to a mobile electronic multimeter, especially a handheld multimeter |
| 11/09/1994 | EP0623984A1 Coupling circuit for a measuring instrument |
| 11/09/1994 | EP0623943A1 Relay terminal array with malfunction detection and transmission functions |
| 11/09/1994 | CN2182409Y AC.DC high voltage digital instrument |
| 11/08/1994 | US5363088 Voltage monitor for alternating current power system |
| 11/08/1994 | US5363046 Spark plug cap with misfire detecting capacitor for internal combustion engine |
| 11/02/1994 | EP0622635A1 Current sensor for alternating current |