| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
|---|
| 08/25/2004 | EP1102998B1 Closely-coupled multiple-winding magnetic induction-type sensor |
| 08/25/2004 | EP1073909B1 Method and configuration for processing at least one analog signal comprising several frequency ranges |
| 08/25/2004 | CN2636250Y Rogowski coil current sensor for printed circuit board |
| 08/25/2004 | CN1523618A A photoelectric current transformer |
| 08/24/2004 | US6781359 Integrated current sensor |
| 08/24/2004 | US6781358 Hall-effect current detector |
| 08/19/2004 | US20040160608 Fiberoptic current sensor having a plurality of sensor heads |
| 08/19/2004 | US20040160217 Arrangement for the electric power supply of a consumer by means of a transmission path divided into two |
| 08/19/2004 | DE10217447B4 Hilfsenergie-gestützter Signaltrenner für Messsignale Auxiliary power-assisted signal isolator for measuring signals |
| 08/19/2004 | DE102004003963A1 Differentialer Hochspannungswandler zum Beispiel für ein PC-gesteuertes Messgerät Differential high-voltage transformer, for example, a PC-controlled measuring device |
| 08/19/2004 | DE10044197B4 Verfahren und Vorrichtung zur elektrooptischen Messung elektrischer Spannung Method and apparatus for electro-optical measurement of electrical voltage |
| 08/18/2004 | EP1447671A1 Apparatus for monitoring an electric network |
| 08/18/2004 | CN2634617Y Electronic type capacitive voltage mutual inductor |
| 08/18/2004 | CN1521774A High-voltage encapsulated capacitor with high temperature stability, its cylindrical printed circuit comprising a supporting framework |
| 08/18/2004 | CN1521510A Device for measuring the electrical current |
| 08/18/2004 | CN1162710C Non-contact electric current measuring instrument |
| 08/18/2004 | CN1162709C Capacitive divided voltage sensor |
| 08/18/2004 | CN1162708C Broad-band low-noise efficient impedance-transforming amplifying circuit with isolated background DC. |
| 08/17/2004 | US6777953 Parallel arc fault diagnostic for aircraft wiring |
| 08/17/2004 | US6777945 Handheld tester for starting/charging systems |
| 08/17/2004 | US6777766 Device for sensing a magnetic field, magnetic field meter and an ammeter |
| 08/12/2004 | WO2004068152A1 Device for sensing rf field |
| 08/12/2004 | WO2004068151A1 A monitoring device for a medium voltage overhead line |
| 08/12/2004 | WO2004044597A3 Device and method for determining the absence of application of stresses on polyphase electrical transmission lines |
| 08/12/2004 | US20040155644 Integrated sensor |
| 08/12/2004 | US20040155310 CdTe-base compound semiconductor single crystal for electro-optic element |
| 08/11/2004 | EP1445618A1 Device for measuring the electrical current |
| 08/11/2004 | EP1444708A1 Plug-in unit assembly comprising instrument transformers |
| 08/11/2004 | EP1159759B1 High-voltage capacitor voltage divider circuit having a high-voltage silicon-on-insulator (soi) capacitor |
| 08/11/2004 | CN2632685Y Pouring wireless remote control high-pressure anti-theft batch meter |
| 08/11/2004 | CN1161620C Residual current detection device |
| 08/11/2004 | CN1161619C Current sensor |
| 08/10/2004 | US6774618 Magnetic flux sensor and method |
| 08/05/2004 | US20040150383 Electrical component measuring instrument |
| 08/04/2004 | EP1443332A1 Current sensor and current sensor manufacturing method |
| 08/04/2004 | EP1018028B1 A device for monitoring partial discharges in an electric high-voltage apparatus or high-voltage equipment |
| 08/04/2004 | EP0868644B1 Multi-dimensional capacitive transducer |
| 08/04/2004 | CN1160860C Method and apparatus for producing temperature stable frequency at reduced cost |
| 08/04/2004 | CN1160577C Electric current pick-up shoe |
| 08/03/2004 | US6771078 Apparatus and method for fault detection on conductors |
| 08/03/2004 | US6771058 Apparatus and method for the measurement and monitoring of electrical power generation and transmission |
| 08/03/2004 | US6769166 Method of making an electrical current sensor |
| 07/29/2004 | WO2004063738A2 Battery monitoring system and method |
| 07/28/2004 | EP1295133B1 Capacitor coupled voltage transformers |
| 07/28/2004 | EP1133703B1 Fiber optic current sensor |
| 07/28/2004 | CN1515910A Utilization of switching grounding end to make channel isolation |
| 07/28/2004 | CN1159586C 电压传感器 Voltage sensor |
| 07/27/2004 | US6768315 Voltage measuring apparatus for sheathed power cable |
| 07/27/2004 | US6768226 Electric circuit shielding |
| 07/22/2004 | US20040140879 Transformaer for a current sensor |
| 07/22/2004 | DE10261494A1 Coupling quadrupole for use in a circuit for measuring partial high voltage discharging that also comprises a choking coil for separating an excitation signal from a measurement signal |
| 07/21/2004 | EP1439548A1 Module for high-voltage installation |
| 07/21/2004 | EP1438593A1 Method and apparatus for determining a current in a conductor |
| 07/21/2004 | EP1438592A1 Inductive current sensor for an electricity meter |
| 07/21/2004 | CN2627515Y Voltage extracting device |
| 07/15/2004 | US20040138836 Apparatus and method for calculating offset value for an electric sensor |
| 07/15/2004 | US20040135591 Method for automatically changing current ranges |
| 07/15/2004 | US20040135220 Noise-proof semiconductor device having a Hall effect element |
| 07/14/2004 | EP1436849A2 Compact vertical hall sensor |
| 07/14/2004 | EP1175623B1 Insulator support current sensor |
| 07/14/2004 | CN2626041Y Resistor type voltage divider for high-voltage circuit breaker |
| 07/14/2004 | CN1512524A Changing current ratio of 10KV and higher high-voltage current transformer under live condition |
| 07/14/2004 | CA2454967A1 Device for measuring an electric current |
| 07/08/2004 | WO2004057346A1 A method and a device for voltage measurement in a high-voltage conductor |
| 07/08/2004 | US20040130353 Sense amplifier with feedback-controlled bitline access |
| 07/08/2004 | US20040130330 Multimeter instrument with touch-sensitive selection device |
| 07/08/2004 | DE19928399B4 Stromsensor Current sensor |
| 07/08/2004 | DE10110254B4 Stromsensor, bestehend aus Stromleitern und Magnetfeld-oder Magnetfeldgradientensensoren Current sensor consisting of conductors and magnetic field or Magnetfeldgradientensensoren |
| 07/07/2004 | CN2624363Y Shaft urrent transformer |
| 07/07/2004 | CN1511366A Arrangement for electric power supply of consumer by means of transmission path divided into two |
| 07/07/2004 | CN1511264A Electrical component measuring instrument |
| 07/06/2004 | US6759841 Hall-effect current detector |
| 07/06/2004 | US6759840 Hall effect conductor/core method and apparatus |
| 07/01/2004 | US20040128087 Device and method for measuring a current |
| 07/01/2004 | US20040128084 Consumption meter |
| 06/30/2004 | EP1433150A1 Power management method and system |
| 06/30/2004 | EP1432996A1 Circuit configuration for a gradiometric current sensor and a sensor chip equipped with this circuit configuration |
| 06/30/2004 | CN2622709Y Digital multimeter able to auto turn off |
| 06/30/2004 | CN1508819A Dry capacitor type voltage transformer |
| 06/30/2004 | CN1508551A Insulated casing for electroscopic earthing loop |
| 06/29/2004 | US6756877 Shunt resistor configuration |
| 06/29/2004 | US6756799 Multi-meter test lead system |
| 06/29/2004 | US6756781 Sensor for optically measuring magnetic fields |
| 06/24/2004 | DE10323379A1 Integrated circuit has Hall probe structure arranged close to conducting track so Hall voltage dependent on measurement voltage can be measured depending on magnetic field caused by track current |
| 06/23/2004 | EP1431767A1 High-voltage encapsulated capacitor with high temperature stability |
| 06/23/2004 | EP1430317A1 Tap switch for frequency response and partial discharge measurement |
| 06/23/2004 | EP1430313A1 Measuring transformer |
| 06/23/2004 | EP1051464B1 Method for preparing an emulsified fuel and implementing device |
| 06/23/2004 | CN1506690A Single-bit network for detecting multiple sockets |
| 06/23/2004 | CN1506687A High-voltage optical fiber electroscope |
| 06/23/2004 | CN1154851C Magnetic sensor apparatus and current sensor apparatus |
| 06/23/2004 | CN1154524C Wire breaking arc testing circuit for physiotherapeutic apparatus |
| 06/22/2004 | US6753678 Voltage detector with improved accuracy |
| 06/17/2004 | DE10243645A1 Inductive current measurement device has inductive sensors placed in the far field of a conductor for which the current is to be measured so that measurements are frequency independent and free from a skin effect |
| 06/16/2004 | EP1429440A2 Apparatus and method for calculating offset value for a current sensor |
| 06/16/2004 | EP1428309A1 Device for measuring a chopped current |
| 06/16/2004 | CN2620873Y Photoelectric measuring instrument for electric current of high voltage transmission and distribution line |
| 06/16/2004 | CN1153976C Apparatus and method for remote current |
| 06/15/2004 | US6751561 Power saving method and apparatus for a portable appliance |
| 06/09/2004 | EP1425592A1 Device indicating voltage presence and electrical appliance comprising same |