Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 17 - Measuring arrangements involving comparison with a reference value, e.g. bridge
Patents for G01R 17 - Measuring arrangements involving comparison with a reference value, e.g. bridge (1,558)
10/2011
10/04/2011US8030915 Integrated sensor with capacitive coupling rejection to the mechanical ground
09/2011
09/20/2011US8022688 RF power detector
09/07/2011CN101813722B Three-range potential difference meter
09/07/2011CN101788588B Potentiometer
09/07/2011CN101788585B Voltage measuring instrument with resolution of 0.01 Mu V
08/2011
08/25/2011US20110204887 Current sensors and methods
08/25/2011DE102011004480A1 Stromsensoren und Verfahren Current sensors and methods
08/24/2011CN102162827A Method and bridge for improving inductance measurement precision of Maxwell bridge
08/24/2011CN101788591B Three-range DC potentiometer adopting slide wire disc
08/24/2011CN101788589B Second-range DC potentiometer adopting slide wire disc
08/24/2011CN101788586B DC potentiometer
08/24/2011CN101710146B Voltage measurement apparatus
08/10/2011CN101813721B Pressure measuring instrument
08/09/2011US7996169 Method and apparatus for compensating S-parameters of passive circuits
07/2011
07/28/2011DE102010001181A1 Verfahren und Vorrichtung zur Strommessung in einem mehrphasigen Stromnetz Method and apparatus for current measurement in a polyphase power network
07/27/2011EP2348277A1 Potentiometer with main adjusting range and special function range and control/evaluation for same
07/27/2011CN1987490B Method and device for detecting arcs
07/26/2011US7987063 Fast, low power formatter for automatic test system
07/20/2011CN101710144B Voltage measurement apparatus
07/20/2011CN101666822B Multifunctional special-shaped electric bridge
06/2011
06/14/2011US7960965 Multimeter having communications via measurement terminals and communication system for same
06/07/2011US7957844 Device and a method for power balancing
06/02/2011US20110128034 Self-balancing frequency determining bridge
06/01/2011CN101710140B Two-range potential difference meter
05/2011
05/11/2011CN101034107B Three measuring ranges DC potentiometer
05/04/2011CN102043077A Full-automatic variable bridge
04/2011
04/21/2011DE102009049859A1 Verfahren und Vorrichtung zur indirekten Überwachung eines elektrischen Leitwertes Method and apparatus for indirect monitoring of an electrical conductance
04/20/2011CN101661817B High-value Hamon resistor
04/19/2011US7928743 Measuring bridge arrangement, method of testing a measuring bridge, test arrangement for testing a measuring bridge, method of producing a tested measuring bridge arrangement, and computer program
04/13/2011CN101710145B Multi-range voltage measuring device
04/13/2011CN101710141B Potential difference meter with three measuring panels
04/07/2011DE102009042987A1 Unwanted high frequency signal compensating device for device under test, is designed such that directional couplers are formed in identical manner, where extracted signals of one coupler is supplied to input of amplifier and power combiner
04/07/2011DE102006050833B4 Magnetoresistives Sensorelement und ein Verfahren zu dessen Herstellung, sowie dessen Verwendung und eine Sensoranordnung A magneto-resistive sensor element and a process for its preparation, and its use, and a sensor arrangement
04/06/2011CN101718805B Multi-range voltage-measuring instrument
04/06/2011CN101710143B Four-range voltage measuring meter
03/2011
03/29/2011US7917326 Storage medium for estimating and improving test case generation
03/16/2011CN101393235B DC potentiometer
03/08/2011US7904270 System for estimating and improving test case generation
03/03/2011DE102009028958A1 Magnetic field and temperature sensor, has Wheatstone resistance measuring bridge arranged in current supplying branch, and ohmic resistor arranged in current reflecting branch of current reflecting circuit
02/2011
02/09/2011CN101968505A Null shift controlling method and device
02/08/2011US7884596 Self-balancing frequency determining bridge
01/2011
01/12/2011EP2273277A1 Internal self-check resistance bridge and method
01/12/2011CN101943713A Internal self-check resistance bridge and method
01/12/2011CN101943712A Resistance bridge architecture and method
01/05/2011EP2270520A1 Resistance bridge architecture and method
12/2010
12/29/2010CN201689124U Two-range potentiometer
12/22/2010CN201681114U Voltage measuring instrument
12/22/2010CN201681113U Voltage measuring apparatus
12/22/2010CN201681112U Three-range potential difference meter
12/22/2010CN201681111U Direct current potential difference meter with two measuring ranges
12/22/2010CN201681110U Bimeasuring range portable potentiometer
12/08/2010CN101710142B Two-range direct current potential difference meter
12/08/2010CN101710139B Two-range portable potential difference meter
12/08/2010CN101354410B DC potential difference meter using slide wire tray
11/2010
11/25/2010DE102009022314A1 Verfahren und Schaltungsanordnung zur Messung des Stroms durch eine induktive Last Method and circuit arrangement for measuring the current through an inductive load
11/24/2010CN101359002B Potential difference meter using sliding disk
11/18/2010WO2010132367A1 Particulate detection and calibration of sensors
11/03/2010CN201622300U High-frequency voltage measurement device
11/03/2010CN201622298U Two-range potential difference meter
11/03/2010CN201622297U DC voltage measuring instrument
10/2010
10/12/2010US7812593 Method for improving stability and lock time for synchronous circuits
10/07/2010US20100253321 Current integrator with wide dynamic range
09/2010
09/30/2010US20100244813 Bridge sensor with collocated electronics and two-wire interface
09/22/2010CN201589801U Double current effective values comparison circuit
09/15/2010CN1991379B Four-range potentiometer utilizing branch line having four measuring plates
09/15/2010CN1793949B Three measuring range potential difference meter using conversion branch having four measuring discs
09/14/2010US7794658 System is provided that includes a test strip, a reference voltage circuit, an operational amplifier connected to the reference voltage circuit connected to an amplifier; the circuitry eliminates uncompensated voltage drop between an electrode of an electrochemical cell; current leakage; accuracy
09/08/2010CN201576042U Potential difference meter with four step discs
09/08/2010CN201576041U DC potentiometer
09/08/2010CN201576040U Potential difference meter
09/02/2010US20100219809 Apparatus
09/01/2010CN201569689U DC potentiometer with four measuring discs
09/01/2010CN201569688U DC potentiometer with 1umV resolution
09/01/2010CN201569687U Potentiometer with four measuring discs
09/01/2010CN201569686U Voltage measuring apparatus
09/01/2010CN201569685U Voltage measuring apparatus
09/01/2010CN201569684U Voltage measuring device with four meter panels
08/2010
08/26/2010DE10120983B4 Meßbrückenschaltung in Vier- oder Mehrleitertechnik mit Ausregelung der Leitungseinflüsse Measuring bridge circuit in four or more wire technology with SETTLING the line influences
08/25/2010CN101813722A Three-range potential difference meter
08/25/2010CN101813721A Pressure measuring instrument
08/19/2010WO2008132258A9 Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof
08/18/2010CN201555878U Multi-range voltage measuring instrument
08/18/2010CN201555877U Four-range voltage measuring instrument
08/18/2010CN201555876U Potential difference meter with three measuring discs
08/05/2010US20100194380 Method and apparatus for measuring current output of low-voltage pad-mount distribution power transformers
08/05/2010DE10222395B4 Schaltungseinrichtung mit mehreren TMR-Sensorelementen Circuit device having a plurality of TMR sensor elements
08/05/2010DE10133525B4 Sensor mit Selbst-Test-Funktion Sensor self-test function
08/03/2010US7769497 Method of super super decoupled loadflow computation for electrical power system
07/2010
07/28/2010CN101788591A Multirange voltage measuring instrument
07/28/2010CN101788590A Voltage measuring device
07/28/2010CN101788589A Second-range potentiometer
07/28/2010CN101788588A Potentiometer
07/28/2010CN101788587A Voltage measuring instrument
07/28/2010CN101788586A DC potentiometer
07/28/2010CN101788585A Voltage measuring instrument with resolution of 0.01 Mu V
07/14/2010CN101776705A Potentiometer with four step plates
07/14/2010CN101776704A Voltage-measuring device with four measuring panels
07/08/2010DE102006062750B4 Vorrichtung zum Erfassen einer Änderung einer physikalischen Grösse mittels einer Stromleiterstruktur An apparatus for detecting a change of a physical quantity by means of a current conductor structure
07/07/2010CN101769951A Two-measuring-range potential difference meter with four metering panels
06/2010
06/17/2010DE102008061014A1 Method for suppression of external interference fields from e.g. spinvalve-based giant magnetoresistance elements, involves interconnecting sensors on conductor loop to bridge arrangement such that linear bridge is formed from components
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