| Patents for G01R 17 - Measuring arrangements involving comparison with a reference value, e.g. bridge (1,558) |
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| 04/30/1996 | US5512849 Low power intelligent current source for monitoring a high voltage |
| 04/30/1996 | US5512818 Containing an electromagnet |
| 04/17/1996 | EP0707217A2 Battery-fed utility meter with selectable measuring characteristic |
| 04/16/1996 | US5508614 Non-contact method for testing for MR shield short circuits |
| 04/16/1996 | US5507171 Electronic circuit for a transducer |
| 03/19/1996 | US5499526 Semiconductor sensor self-checking circuit |
| 01/24/1996 | EP0693749A1 A bidirectional load current sense circuit for a H-bridge |
| 01/16/1996 | US5485100 Automatically balanced and tested bridge measurement circuit, and method |
| 12/05/1995 | CA2040292C Method of and apparatus for automatically calibrating a phased-array antenna |
| 11/21/1995 | US5469071 Resistor sensor input apparatus |
| 10/24/1995 | US5461322 For measuring resistance changes |
| 10/18/1995 | EP0677725A1 Improved electronic circuit for a transducer |
| 10/10/1995 | US5457393 Method and circuit for balancing an error signal |
| 10/04/1995 | EP0675367A2 Voltage proportional replication device using magnetoresistive sensing elements |
| 09/08/1995 | WO1995023979A1 A resistance network |
| 06/08/1995 | DE4340831A1 Electric continuity tester |
| 05/31/1995 | CN2199540Y Fast measuring bridge for DC resistance of power transformer |
| 05/24/1995 | EP0654145A1 Magnetic field sensor composed of a magnetic reversal conductor and one or several magnetoresistive resistances |
| 04/13/1995 | DE4334630A1 Differential comparator |
| 02/23/1995 | DE4327586A1 Method for producing undephased measurement signals in the case of passive receivers with nonideal impedances |
| 01/19/1995 | DE4323380A1 Method and circuit for fault recognition in resistor measuring bridges |
| 01/12/1995 | DE4318584A1 Circuit arrangement for evaluating high-frequency AC voltage signals |
| 12/22/1994 | WO1994029740A1 Magnetic field sensor composed of a magnetic reversal conductor and one or several magnetoresistive resistances |
| 11/30/1994 | EP0626581A1 Low power intelligent current source for monitoring a high voltage |
| 11/09/1994 | CN1094841A A miniature potentionmeter and process of automatic sequential procuction thereof |
| 10/19/1994 | EP0620569A2 Miniature potentiometer and process of automatic sequential production thereof |
| 10/11/1994 | US5355129 Measuring sensor device |
| 09/27/1994 | US5351005 Resetting closed-loop magnetoresistive magnetic sensor |
| 09/21/1994 | CN2177642Y Dynatic offset load electronic railroad track scale |
| 09/07/1994 | EP0541573B1 Measurement value sensor |
| 08/18/1994 | DE4304060A1 Circuit arrangement for evaluating reactances to be measured |
| 08/17/1994 | EP0610331A1 Circuit assembly and method for electrical eddy-current testing |
| 08/11/1994 | DE4343686A1 Magnetometer |
| 06/28/1994 | US5325181 Nulling optical bridge for measurement of changes in reflectivity and/or transmissivity |
| 06/08/1994 | EP0599960A1 A method and circuit for balancing an error signal. |
| 06/01/1994 | EP0599645A2 Zero shift compensation circuit |
| 05/03/1994 | US5309136 Electrical circuit such as a Wheatstone bridge with a resistance-adjusting portion |
| 05/03/1994 | US5308250 Pressure contact for connecting a coaxial shield to a microstrip ground plane |
| 03/30/1994 | EP0589374A1 Method and appliance for monitoring an alternating signal |
| 03/24/1994 | DE4231385A1 Testing of substances in high dilution, esp. drinking water, etc. - using dishes for sample and reference to be energised in dishes at different frequencies |
| 03/23/1994 | CN1084277A 变压器线圈电阻电桥 Transformer coil resistance bridge |
| 02/15/1994 | US5287065 Automatic bridge balancing using controllable impedance in characterizing unknown impedance |
| 02/15/1994 | US5287062 Reference voltage measuring bridge for a device for monitoring and measuring the insulation of a DC voltage electrical mains system |
| 02/09/1994 | EP0240556B1 High precision capacitance bridge |
| 12/21/1993 | US5272445 Resistance tester utilizing regulator circuits |
| 12/14/1993 | US5269170 Measuring system and process using zero shift compensation circuit |
| 12/08/1993 | CN2148967Y Direct-current voltage measuring meter |
| 12/02/1993 | DE4311187A1 Noise suppression method for resistive and other measurement bridge - synchronously switching polarity of supply voltage and output capacitor, preventing application of measurement signal-dependent charge, while reducing small signal bandwidth |
| 11/23/1993 | US5264798 Autonulling AC bridge using differential and integration feedback |
| 10/20/1993 | EP0566160A1 Bridge type measuring device with output compensating circuit |
| 10/14/1993 | DE4211978A1 Auxiliary energy-free transducer for live-zero current signals in measurement voltages - has bridge circuit with two reference arms and two measurement arms |
| 05/19/1993 | CN1020831C Method of and apparatus for automatically calibrating phased-array antenna |
| 05/13/1993 | WO1993009428A1 Circuit assembly and method for electrical eddy-current testing |
| 05/13/1993 | CA2122362A1 Circuit arrangement and method for electrical eddy-current testing |
| 04/01/1993 | DE4232032A1 Two-wire current loop circuit for measurement transducer - has two buffer amplifiers, differential amplifier, voltage limiter in fully integratable design |
| 03/31/1993 | EP0318549B1 Test meters |
| 03/25/1993 | DE4129454A1 Measurement bridge contg. temp. measurement elements, e.g. for calorimetric flow monitor - has temp. measurement resistances in each arm of Wheatstone bridge with additional heating for two opposed arms |
| 03/04/1993 | WO1993004376A1 A method and circuit for balancing an error signal |
| 02/23/1993 | US5189362 High frequency signal measurement circuits utilizing temperature-sensitive devices |
| 02/16/1993 | US5187486 Method of and apparatus for automatically calibrating a phased-array antenna |
| 02/10/1993 | EP0356438B1 Process and arrangement for evaluating a measurable analog electronic quantity |
| 01/27/1993 | EP0524855A1 Electrical circuit or wheatstone bridge provided with a resistance trimming portion |
| 01/20/1993 | EP0217967B1 Heterodyne-type method and apparatus for measuring signals, having means for automatically correcting the detuning |
| 01/07/1993 | DE4122434A1 Circuit for protecting pressure sensor against excess voltage - has bridge circuit with four resistors, located via temp.-dependent resistor between supply voltage and earth |
| 12/15/1992 | US5171930 Electroglottograph-driven controller for a MIDI-compatible electronic music synthesizer device |
| 11/10/1992 | CA1310127C Potentiometer setting detection by measuring the ratio of rc time constants |
| 10/27/1992 | US5159277 Precision bridge circuit using a temperature sensor |
| 09/22/1992 | US5150063 Bridge for measuring the reflection coefficient |
| 08/19/1992 | CN2113495U Potential difference measuring device with digital display |
| 07/01/1992 | EP0493271A1 Measuring bridge for reference voltage for a device for monitoring and measuring the insulation of a DC electric network |
| 06/27/1992 | CA2058380A1 Reference voltage measuring bridge for a device for monitoring and measuring the insulation of a dc voltage electrical mains system |
| 06/24/1992 | CN2108365U Reflected bridge |
| 06/11/1992 | WO1992009898A1 Piezoresistive sensor arrangement, e.g. for the passenger protection system of a vehicle |
| 05/19/1992 | US5115188 Resistance sensor and switch |
| 05/12/1992 | US5113140 Microprocessor-controlled high-voltage capacitance bridge |
| 04/08/1992 | CN2101246U Optical-isolation point type galvanometer |
| 03/04/1992 | EP0183701B1 Variable current pressure transducer system |
| 02/20/1992 | WO1992002783A1 Measurement value sensor |
| 02/20/1992 | DE4025875A1 Electronic circuit measuring combustible components of gas - uses catholytic temp.-dependent detector resistor and non-catholytic temp.-dependent compensation resistor |
| 01/07/1992 | US5079500 Potentiometric circuit arrangement |
| 11/26/1991 | US5067820 Radionuclide calorimeter system |
| 11/05/1991 | US5063352 Circuit arrangement with a flow probe operated in a bridge circuit |
| 10/30/1991 | CN1055836A Method of and apparatus for automatically calibrating phased-array antenna |
| 10/23/1991 | EP0452799A1 Method and apparatus for the automatic calibration of a "phased array" antenna |
| 10/02/1991 | CN2085969U Tester for ground resistance of human body |
| 09/04/1991 | EP0444796A1 Potentiometric circuit arrangement |
| 08/14/1991 | EP0441479A2 A gauging system |
| 08/08/1991 | CA2034626A1 Gauging system |
| 07/17/1991 | CN2081099U Special dc double-arm bridge |
| 07/11/1991 | DE4000521A1 Variable parameter source of e.g. for IC engine fuel measurement - contains potentiometer with voltage applied to centre tapping and auxiliary circuit connected to determine tapping position |
| 06/26/1991 | CN1012998B Bridge-type measuring circuit of current after arc in area of null current |
| 06/18/1991 | US5024101 Power source circuit and bridge type measuring device with output compensating circuit utilizing the same |
| 05/28/1991 | US5019704 Measuring circuit for detecting measurement signals |
| 05/07/1991 | US5014058 Method and arrangement for evaluating a measurable analog electrical quantity |
| 04/16/1991 | US5008843 Sensor having an answerback device |
| 04/02/1991 | CA1282368C System for applied current cathodic protection of a structure |
| 03/20/1991 | EP0366680A4 A nonvolatile nonlinear reprogrammable electronic potentiometer |
| 03/07/1991 | DE3929199A1 Carrier frequency measuring bridge with constant transfer function - readjusts frequency of carrier frequency signal so that sensitivity remains constant at preset valve |
| 02/20/1991 | EP0266365B1 Circuitry for generating an output signal non-linearly dependent on temperature |
| 02/19/1991 | US4993423 Method and apparatus for differential lead impedance comparison |