| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 04/23/2008 | EP1295304B1 Current transformer for measurement of alternating current |
| 04/23/2008 | CN201051121Y Energy-saving current mutual inductor for 1-750000 V transformer |
| 04/23/2008 | CN201051120Y Electronic voltage mutual inductor |
| 04/23/2008 | CN201051119Y Distributed optical voltage mutual inductor |
| 04/23/2008 | CN201051118Y Hierarchical display detector circuit |
| 04/23/2008 | CN201051117Y Voltage sensor |
| 04/23/2008 | CN101165822A Integral type current sensing and measuring transformer and current sensing and measuring circuit using same |
| 04/23/2008 | CN101165496A Flow divider |
| 04/23/2008 | CN100383993C Process for preparing high-linearity gallium arsenide Hall device |
| 04/23/2008 | CN100383536C Electric current detector |
| 04/22/2008 | US7363219 Hybrid speech coding and system |
| 04/22/2008 | US7362588 Flying capacitor type battery voltage detector |
| 04/22/2008 | US7362086 Integrated current sensor |
| 04/17/2008 | US20080088299 Attachment device and method for fastening electrical cable monitoring instruments to electrical cables |
| 04/17/2008 | US20080088298 Hall sensor temperature drift control |
| 04/17/2008 | DE102007004387A1 Electric current amperage measuring method for actuator of bus system, involves injecting sequence of stimulating pulses into resonant circuit, where duration of pulse is shorter than duration of pulse interval to subsequent pulse |
| 04/16/2008 | CN201048084Y Outdoor dry type voltage mutual inductor for power car |
| 04/16/2008 | CN201047859Y Full optical fiber reflection type great current optical current mutual inductor |
| 04/16/2008 | CN201047858Y High intensity effect type full optical fiber reflection type optical current mutual inductor |
| 04/16/2008 | CN101163974A Current sensor with magnetic toroid |
| 04/16/2008 | CN101162644A Local discharge experiment power supply system |
| 04/16/2008 | CN101162243A Split stream conducting wire testing apparatus and testing method thereof |
| 04/16/2008 | CN101162242A Method for testing direct current by quadrature transformer |
| 04/16/2008 | CN101162241A Pressure cyst for AC magnetic capacity measurement and pressing device and AC magnetic capacity measuring systems thereof |
| 04/16/2008 | CN101162238A 10 bit AD sample-taking calculating circuit and sampling method thereof |
| 04/15/2008 | US7359182 Plug-in unit assembly comprising instrument transformers |
| 04/15/2008 | US7358716 Measuring method and measuring arrangement for measuring currents with a large dynamic range |
| 04/10/2008 | WO2008042484A1 Current sensing module and assembly method thereof |
| 04/10/2008 | US20080084201 Method and apparatus for AC integrated current sensor |
| 04/10/2008 | US20080084200 Method and apparatus for DC integrated current sensor |
| 04/10/2008 | DE102006046736A1 Verfahren zum Betreiben eines Magnetfeldsensors und zugehöriger Magnetfeldsensor A method of operating a magnetic field sensor and associated magnetic field sensor |
| 04/10/2008 | DE102006046137A1 Batteriesensoreinheit Battery sensor unit |
| 04/10/2008 | DE102005062624B4 Multimeter Multimeter |
| 04/09/2008 | EP1782080B1 Assembly for supplying electric energy to a measuring device |
| 04/09/2008 | EP1769254B1 Current sensor |
| 04/09/2008 | EP1664804B1 Method and device for measuring voltage |
| 04/08/2008 | US7355382 Current sensor and mounting method thereof |
| 04/08/2008 | US7355381 Current sensor with reduced sensitivity to parasitic magnetic fields |
| 04/03/2008 | WO2007087121A3 Arrangements for an integrated sensor |
| 04/03/2008 | US20080079418 High-precision rogowski current transformer |
| 04/03/2008 | DE102007046054A1 Current i.e. alternating current, measuring device i.e. Rogowski-transformer, has inner coil traversing center of outer coil and wound around one of discrete substrate layers, and Rogowski coil provided on printed circuit board |
| 04/03/2008 | DE102007039855A1 Verfahren und Schaltung zum Bestimmen des maximalen, von einem Elektromotor aufgenommenen Stroms Method and circuit for determining the maximum, recorded by an electric motor current |
| 04/03/2008 | DE102006046739A1 Magnetic field sensor for use in magneto resistive element, particularly four elements in bridge connection, has chip arranged on substrate or even formed on substrate |
| 04/02/2008 | EP1906194A2 Magnetic current sensor |
| 04/02/2008 | EP1906190A1 Control/protection device for electrical distribution networks |
| 04/02/2008 | EP1723717A4 Inductor-based current sensing |
| 04/02/2008 | EP1478937A4 Measuring current through an electrical conductor |
| 04/02/2008 | EP1177453B1 Apparatus and method for electrical measurements on conductors |
| 04/02/2008 | CN201043983Y Multifunctional electric meter |
| 04/02/2008 | CN101153899A Automatic measuring system and method of digital multimeter |
| 04/01/2008 | US7353123 Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same |
| 04/01/2008 | US7352166 Resistance ratio digitizing ohmmeter system |
| 04/01/2008 | US7352164 Device for measuring an electric current |
| 04/01/2008 | CA2254438C Pyrometer-multimeter |
| 03/28/2008 | CA2604402A1 Transformer for rf voltage sensing |
| 03/27/2008 | WO2008036818A1 Sound meter for portable audio headphones |
| 03/27/2008 | WO2008036110A2 Modularized servo control system |
| 03/27/2008 | WO2008034306A1 A digital multimeter with automatic measurement selection function |
| 03/27/2008 | WO2008012309A3 Current-sensing apparatus and method for current sensing |
| 03/27/2008 | DE102006044092A1 Rectified over current protecting method for single and three phase installations, involves generating positive and negative potentials by transformer terminal to provide voltage for recognizing forward or reverse direction of energy flow |
| 03/27/2008 | DE102006044008A1 Voltage testing arrangement, has resistors together forming voltage divider for measuring input of microcontroller, and NPN transistor with base connected with output through divider, where control output of microcontroller is switched off |
| 03/26/2008 | EP1247304A4 Shunt resistance device for monitoring battery state of charge |
| 03/26/2008 | CN201041573Y Photoelectric digital direction middle and high voltage power meter |
| 03/26/2008 | CN101149402A Electric current detector |
| 03/26/2008 | CN101149401A Three state polarization detection method for eliminating linear birefringence influence of optical current transformer |
| 03/26/2008 | CN101149399A Digital multimeter for automatically selecting measuring function |
| 03/20/2008 | WO2007133977A3 Current sensing circuit for use in a current measurement probe |
| 03/20/2008 | US20080070338 Micro-electromechanical system (mems) based current & magnetic field sensor having capacitive sense components |
| 03/19/2008 | CN201039023Y A magnetic inductive power supply |
| 03/19/2008 | CN201037851Y Multi-polar power inductor |
| 03/18/2008 | US7345428 Transducer package for process control |
| 03/13/2008 | US20080065337 Noise-Assisted Data Analysis Method, System and Program Product Therefor |
| 03/13/2008 | US20080065335 Method and apparatus for legacy comparison |
| 03/12/2008 | EP1896859A1 Apparatus for the detection of a current and method for operating such an apparatus |
| 03/12/2008 | CN201036156Y Current mutual inductor with connection cable |
| 03/12/2008 | CN201036153Y Backbone type bus current mutual inductor |
| 03/12/2008 | CN201036152Y Voltage mutual inductor for looped network cabinet |
| 03/12/2008 | CN201036151Y Backbone type totally-enclosed current mutual inductor |
| 03/12/2008 | CN201036148Y Helix tube type aircore coil current sensor |
| 03/12/2008 | CN201035092Y Freely telescopic clectroscope |
| 03/12/2008 | CN201035086Y Voltage measurement instrument |
| 03/12/2008 | CN201035085Y Voltage measurement device with High distinguishability |
| 03/12/2008 | CN201035084Y Voltage measurement device with wide measured range |
| 03/12/2008 | CN201035083Y Voltage measurement instrument with multi-range high distinguishability |
| 03/12/2008 | CN201035082Y Voltage measurement instrument with 0.1 [Mu]v distinguishability |
| 03/12/2008 | CN201035081Y Overcoming variation influencing voltage measurement instrument |
| 03/12/2008 | CN201035080Y Novel voltage measurement device |
| 03/12/2008 | CN201035079Y Luo coil great current integrated intelligent detector |
| 03/12/2008 | CN201035073Y Three range DC potential difference meter |
| 03/12/2008 | CN201035072Y Three range potential difference meter |
| 03/12/2008 | CN201035071Y Potential difference meter with four measuring dish |
| 03/12/2008 | CN201035065Y Current mutual inductor for ROGOWSKI instrument |
| 03/12/2008 | CN201035064Y Through wall type totally enclosed current mutual inductor |
| 03/12/2008 | CN201035063Y High-pressure side observe and control and transmission equipment |
| 03/12/2008 | CN201035062Y Intelligent electric voltage automatic switchover device |
| 03/12/2008 | CN201035061Y Width limiting high-pressure pour-in maintenance-free remote metering terminal |
| 03/12/2008 | CN201035060Y Neon tube |
| 03/12/2008 | CN201035059Y High-pressure signal generating device |
| 03/12/2008 | CN201035058Y Three mixed mode high-pressure signal generating device |
| 03/12/2008 | CN201035057Y Wide range optical fiber current sensor and measurement mechanism thereof |