Patents for G01R 17 - Measuring arrangements involving comparison with a reference value, e.g. bridge (1,558) |
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03/21/2002 | US20020033700 Method and apparatus for fault detection in a resistive bridge sensor |
03/13/2002 | EP0866958B1 Wheatstone bridge with temperature gradient compensation |
02/21/2002 | US20020021122 High resolution current sensing apparatus |
02/21/2002 | US20020021119 High resolution current sensing apparatus |
02/19/2002 | US6348788 High resolution current sensing apparatus |
02/18/2002 | CA2720501A1 Coriolis mass flow controller |
02/18/2002 | CA2720414A1 Coriolis mass flow controller |
01/09/2002 | CN2470835Y Capacitor and impedance apparatus relevant to decimal value and multiple values |
12/13/2001 | WO2001040813A3 Measuring bridge circuit in three wire conductor technology provided with supply voltage post regulation |
11/01/2001 | US20010035758 Bridge circuit for detector |
10/31/2001 | CN1320216A Quad-layer GMR sandwich |
10/30/2001 | US6308564 Method and apparatus for determining the quantity and quality of a fluid |
10/23/2001 | CA2196712C Resistance bridge and its use in conversion systems |
10/16/2001 | US6304074 Method for the offset calibration of a magnetoresistive angle sensor including at least one wheatstone bridge |
09/18/2001 | US6289738 Testable membrane sensor with two full bridges |
06/28/2001 | DE19959753A1 Electronic bridge amplifier for measurement impedance bridges, has bridge branch with central tap resting at zero potential using current-voltage converter |
06/07/2001 | WO2001040813A2 Measuring bridge circuit in three wire conductor technology provided with supply voltage post regulation |
06/06/2001 | CN2433631Y Bridge electric balanced circuit |
05/31/2001 | DE19957088A1 Three phase measurement bridge circuit with supply current adjustment |
03/20/2001 | US6204673 Method and apparatus using feedback to correct the production of magnitude and phase relationships between two sinusoidal signals for use in a ratio-transformer capacitance bridge |
03/14/2001 | EP1082619A1 Magnetic field sensing device |
03/07/2001 | EP1081468A1 Transducer for level sensors |
03/06/2001 | US6198296 Bridge sensor linearization circuit and method |
03/01/2001 | DE19941023A1 Messwandler für Füllstandsensoren Transducers for level sensors |
03/01/2001 | DE19934644A1 Schaltungsanordnung zur Messung eines veränderlichen Widerstandes A circuit arrangement for measuring a variable resistor |
02/22/2001 | DE19939564A1 Measuring impedance involves deriving it from complex voltage ratio for various amplitude and phase difference values measured for different measurement bridge configurations |
02/21/2001 | CN2420650Y Voltage meter for cold cathode vacuum tube |
01/31/2001 | EP1072896A2 Circuit for measuring a variable resistance |
01/10/2001 | EP1066552A1 Circuit for controlling and measuring the load current through a load |
11/21/2000 | US6148675 Method of measuring strain |
10/25/2000 | EP1046891A2 Device for trimming a measuring bridge and rotating shaft for measuring a torsional moment |
10/19/2000 | DE19917443A1 Abgleichwiderstand und Drehmomentmeßwelle Balancing resistance and torque measuring |
09/07/2000 | DE19812920C2 Schaltungsanordnung zur Steuerung und Erfassung des Laststromes durch eine Last Circuit arrangement for controlling and detecting the load current by a load |
08/08/2000 | US6098464 Wheatstone bridge with temperature gradient compensation |
05/31/2000 | CN2380924Y Portable dc. voltmeter |
05/31/2000 | CN2380923Y Practical bridge apparatus |
05/18/2000 | DE19852502A1 Verfahren zur Offset-Kalibrierung eines magnetoresistiven Winkelsensors A method for offset calibration of a magnetoresistive angle sensor |
05/17/2000 | EP1001248A2 Method for offset calibrating a magneto-resistive angle sensor |
04/06/2000 | WO2000019226A1 Quad-layer gmr sandwich |
04/05/2000 | EP0990967A2 Circuit for controlling and measuring the load current through a load |
03/30/2000 | DE19844665C1 Circuit for controlling and detecting load current |
03/29/2000 | CN2371033Y Tester for printing head of wire printer |
03/14/2000 | CA2145698C Electronic circuit for a transducer |
01/12/2000 | CN2358457Y DC comparator |
12/02/1999 | WO1999061931A1 Magnetic field sensing device |
12/02/1999 | DE19812920A1 Schaltungsanordnung zur Steuerung und Erfassung des Laststromes durch eine Last Circuit arrangement for controlling and detecting the load current by a load |
11/02/1999 | US5974895 Capacitively measuring sensor and readout circuit |
09/30/1999 | WO1999049377A1 Circuit for controlling and measuring the load current through a load |
09/02/1999 | DE19806753A1 Error indicator for sensor comprising Wheatstonebridge |
06/30/1999 | CN1043936C Miniature potentionmeter and process of automatic sequential production thereof |
06/16/1999 | EP0922928A1 Measuring strain or stress with an initially unbalanced bridge |
06/15/1999 | US5912693 Method of driving heating element to match its resistance, thermal printer, and resistance measuring device |
06/01/1999 | US5909132 Resistance bridge and its use in conversion systems |
04/08/1999 | DE19741892A1 Monitoring level and quality of e.g. hygroscopic brake fluid or motor oil with special reference to its boiling point |
04/06/1999 | USH1793 Thermal transient test system |
03/04/1999 | DE19738050A1 Circuit to generate and evaluate measurement signal from position sensor in form of potentiometer |
03/02/1999 | US5877637 Resistance bridge and its use in conversion systems |
02/02/1999 | US5867018 High accuracy four-terminal standard resistor for use in electrical metrology |
01/26/1999 | CA2002263C Microcomputer controlled resistance fault locator circuit |
01/05/1999 | US5856751 Method and apparatus for monitoring an alternating signal |
12/30/1998 | CN1203662A Wheatstone bridge with temp. gradient compensation between main resistor of bridge and its application in pressure-sensor with foil gauge |
11/03/1998 | US5831427 Voltage measuring device for a source with unknown resistance |
10/14/1998 | EP0871037A1 Circuit arrangement for monitoring an electronic circuit |
09/30/1998 | EP0866958A1 Wheatstone bridge with temperature gradient compensation |
09/29/1998 | US5814995 Voltage detector for battery operated device |
09/22/1998 | US5812411 Tapped variable potentiometer resistor with current sense and safety circuit |
09/08/1998 | US5804978 Circuit for feeding a Wheatstone Bridge with a rectangular waveform voltage |
06/03/1998 | EP0610331B1 Circuit assembly and method for electrical eddy-current testing |
04/28/1998 | US5744954 For measurement of existing physical properties in a ferromagnetic object |
03/10/1998 | US5726564 Temperature-compensating method for a resistance bridge circuit, resistance bridge circuit with temperature-compensating circuit, and acceleration sensor using the same |
02/03/1998 | US5714879 Method of and arrangement for regulation of sensitivity in evaluation circuit |
01/28/1998 | EP0821243A2 Test method of an impedance linked to a bridge output stage and appartatus related |
01/07/1998 | EP0816818A2 Capacitance measuring sensor and selection circuit |
01/02/1998 | DE19625703A1 Low loss measuring system for heating current flow through probe heater unit |
12/16/1997 | US5698987 Method of driving heating element to match its resistance, thermal printer, and resistance measuring device |
10/08/1997 | EP0800090A1 Connecting condition examination apparatus, portable electronic equipment and connecting condition examination method |
08/21/1997 | DE19629781C1 Bridge terminating stage impedance testing method |
07/16/1997 | EP0783677A1 Testable membrane sensor with two full bridges |
07/01/1997 | US5644484 Bidirectional load current sense circuit for a H-bridge |
06/12/1997 | WO1997021083A1 Wheatstone bridge with temperature gradient compensation |
05/13/1997 | US5629629 Circuit arrangement for determining differences in capacitance |
05/07/1997 | DE19540878A1 Impedance bridge measuring establishing impedance values in HF range |
04/24/1997 | WO1997014972A1 Connecting condition examination apparatus, portable electronic equipment and connecting condition examination method |
03/11/1997 | US5610506 Voltage reference circuit |
03/04/1997 | US5608333 Method of driving heating element to match its resistance, thermal printer, and resistance measuring device |
02/13/1997 | WO1997005464A1 Testable membrane sensor with two full bridges |
01/30/1997 | DE19527687A1 Sensor Sensor |
01/08/1997 | EP0599960B1 A method and circuit for balancing an error signal |
01/07/1997 | US5592141 Miniature potentiometer |
12/04/1996 | EP0745861A2 Method for measuring capacitances |
12/04/1996 | EP0745860A2 Process for reducing drift in protection systems |
11/06/1996 | EP0741299A2 Circuit for determining differences in capacity |
10/31/1996 | DE19509815C1 Wheatstone bridge supply circuit |
10/10/1996 | DE19512613A1 Automatic control of sensitivity at start of measurement esp. for inductive rpm sensor e.g. in motor vehicle |
09/05/1996 | DE19506276A1 Switching circuit for interpolation of sensor signals |
08/14/1996 | DE19513022C1 Differential capacitance measuring circuit for pressure sensor |
06/04/1996 | US5523693 Balanced signal source |
05/28/1996 | US5521501 Magnetic field sensor constructed from a remagnetization line and one magnetoresistive resistor or a plurality of magnetoresistive resistors |
05/22/1996 | EP0713166A1 A voltage reference circuit |
05/09/1996 | DE19521767A1 Temperature compensation circuit for resistive bridge circuit of acceleration sensor |