DE3883011D1 - Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator. - Google Patents
Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator.Info
- Publication number
- DE3883011D1 DE3883011D1 DE8989900957T DE3883011T DE3883011D1 DE 3883011 D1 DE3883011 D1 DE 3883011D1 DE 8989900957 T DE8989900957 T DE 8989900957T DE 3883011 T DE3883011 T DE 3883011T DE 3883011 D1 DE3883011 D1 DE 3883011D1
- Authority
- DE
- Germany
- Prior art keywords
- lvdt
- interface circuit
- responsive
- providing
- decoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/225—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils
- G01D5/2258—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core
- G01D5/2266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core specially adapted circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2208—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
- G01D5/2216—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils by a movable ferromagnetic element, e.g. a core
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/120,118 US4904921A (en) | 1987-11-13 | 1987-11-13 | Monolithic interface circuit for linear variable differential transformers |
PCT/US1988/003668 WO1989004949A2 (en) | 1987-11-13 | 1988-10-19 | Interface circuit for linear variable differential transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3883011D1 true DE3883011D1 (de) | 1993-09-09 |
DE3883011T2 DE3883011T2 (de) | 1994-03-17 |
Family
ID=22388376
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3855838T Expired - Lifetime DE3855838D1 (de) | 1987-11-13 | 1988-10-19 | Schnittstellenschaltungen für lineare veränderliche Differentialtransformatoren |
DE89900957T Expired - Lifetime DE3883011T2 (de) | 1987-11-13 | 1988-10-19 | Schnittstellenschaltung für einen linearen veränderlichen differentialtransformator. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3855838T Expired - Lifetime DE3855838D1 (de) | 1987-11-13 | 1988-10-19 | Schnittstellenschaltungen für lineare veränderliche Differentialtransformatoren |
Country Status (6)
Country | Link |
---|---|
US (1) | US4904921A (de) |
EP (3) | EP0398901B1 (de) |
JP (1) | JPH03501885A (de) |
AT (2) | ATE92620T1 (de) |
DE (2) | DE3855838D1 (de) |
WO (1) | WO1989004949A2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5327030A (en) | 1987-11-13 | 1994-07-05 | Analog Devices, Inc. | Decoder and monolithic integrated circuit incorporating same |
US5109675A (en) * | 1990-10-10 | 1992-05-05 | Westinghouse Electric Corp. | Valve position sensing circuit |
US5087866A (en) * | 1991-05-22 | 1992-02-11 | Lucas Industries | Temperature compensating circuit for LVDT and control system |
US5864215A (en) * | 1992-03-06 | 1999-01-26 | Hughes Aircraft Company | Steering apparatus for controllably displacing a structure relative to a frame member |
DE59308536D1 (de) * | 1992-04-02 | 1998-06-18 | Micro Epsilon Messtechnik | Verfahren zur sensoransteuerung und signalverarbeitung |
DE4220596C1 (de) * | 1992-06-24 | 1993-12-09 | Mfp Mestechnik Und Fertigungst | Schaltungsanordnung zur Bestimmung des Übertragungsmaßes einer variablen Übertragungsschaltung |
US5422555A (en) * | 1993-04-30 | 1995-06-06 | Rank Taylor Hobson, Ltd. | Apparatus and method for establishing a reference signal with an LVDT |
US5329416A (en) * | 1993-07-06 | 1994-07-12 | Alliedsignal Inc. | Active broadband magnetic flux rate feedback sensing arrangement |
US5420741A (en) * | 1993-11-15 | 1995-05-30 | Allied-Signal Inc. | Passive tuned magnetic flux rate feedback sensing and control arrangement |
US5617023A (en) * | 1995-02-02 | 1997-04-01 | Otis Elevator Company | Industrial contactless position sensor |
US5802728A (en) * | 1995-08-17 | 1998-09-08 | Watson Industries, Inc. | Liquid level and angle detector |
US5661397A (en) * | 1995-09-22 | 1997-08-26 | H. R. Textron Inc. | Demodulator circuit for determining position, velocity and acceleration of displacement sensor independent of frequency or amplitude changes in sensor excitation signal |
US5717331A (en) * | 1995-09-22 | 1998-02-10 | H.R. Textron, Inc. | Demodulator circuit for use with a displacement sensor to provide position information |
US5801645A (en) * | 1996-07-18 | 1998-09-01 | Allen-Bradley Company, Inc. | Automatic paired LVDT probe balancing |
IT1303968B1 (it) * | 1998-10-26 | 2001-03-01 | Marposs Spa | Trasduttori lineari induttivi . |
AU2001248705B2 (en) * | 2000-05-10 | 2005-03-17 | Lorenzo Zannini | Energy dimmer drive and energy pilot |
ITRE20000043A1 (it) * | 2000-05-10 | 2001-11-10 | Lorenzo Zannini | Energy dimmer drive (e.d.d.)- pilota d'energia |
US6864808B2 (en) * | 2002-01-29 | 2005-03-08 | Goodrich Pump & Engine Control Systems, Inc. | System and method for processing a signal |
US20040155651A1 (en) * | 2003-02-12 | 2004-08-12 | Britton Andrew Michael | Flux control system for metal detectors |
US20050278132A1 (en) * | 2004-06-09 | 2005-12-15 | Bauerle Paul A | PWM dual store protection |
US7006938B2 (en) * | 2004-06-16 | 2006-02-28 | Ami Semiconductor, Inc. | Reactive sensor modules using Pade' Approximant based compensation and providing module-sourced excitation |
FR2921166B1 (fr) * | 2007-09-14 | 2009-11-20 | Thales Sa | Dispositif et procede de redressement double alternance de precision amelioree |
KR101256741B1 (ko) * | 2008-06-05 | 2013-04-19 | 퀄컴 인코포레이티드 | 무선 전력 전달을 위한 페라이트 안테나들 |
US9112508B2 (en) | 2010-06-09 | 2015-08-18 | Broadcom Corporation | Adaptive powered local oscillator generator circuit and related method |
US8929844B2 (en) * | 2010-08-30 | 2015-01-06 | Broadcom Corporation | Variable gain control transformer and RF transmitter utilizing same |
US8862064B2 (en) | 2010-09-24 | 2014-10-14 | Broadcom Corporation | Self-testing transceiver architecture and related method |
US8558408B2 (en) | 2010-09-29 | 2013-10-15 | General Electric Company | System and method for providing redundant power to a device |
US8478560B2 (en) | 2011-01-19 | 2013-07-02 | Honeywell International Inc. | Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor |
US8278779B2 (en) | 2011-02-07 | 2012-10-02 | General Electric Company | System and method for providing redundant power to a device |
US9464881B2 (en) | 2012-08-01 | 2016-10-11 | Silicon Works Co., Ltd. | Displacement sensor, apparatus for detecting displacement, and method thereof |
US9528815B2 (en) | 2013-02-08 | 2016-12-27 | Hamilton Sundstrand Corporation | Transformer based sensor arrangement |
FR3071922B1 (fr) | 2017-10-02 | 2019-11-15 | Safran Electronics & Defense | Procede de mesure d’un deplacement |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3235790A (en) * | 1961-09-22 | 1966-02-15 | Collins Corp G L | Movable core transducer |
GB1319586A (en) * | 1969-10-06 | 1973-06-06 | Findlay Irvine Ltd | Displacement transducers |
US3737640A (en) * | 1971-12-29 | 1973-06-05 | Monsanto Co | Electronic feedback controlled time-division multiplier and/or divider |
GB1485116A (en) * | 1973-08-21 | 1977-09-08 | Solartron Electronic Group | Non linear network |
US4140998A (en) * | 1976-03-15 | 1979-02-20 | Sangamo Weston, Inc. | High accuracy position indicator |
SU697800A1 (ru) * | 1978-04-24 | 1979-11-15 | Куйбышевский политехнический институт им.В.В.Куйбышева | Устройство дл измерени линейных перемещений |
DE3063697D1 (en) * | 1979-11-08 | 1983-07-14 | Hewlett Packard Gmbh | Circuit for generating a sine wave from a triangular wave |
JPS5759116A (en) * | 1980-09-26 | 1982-04-09 | Sakata Denki Kk | Differential transformeter conversion system |
US4475169A (en) * | 1982-02-01 | 1984-10-02 | Analog Devices, Incorporated | High-accuracy sine-function generator |
US4476538A (en) * | 1982-02-01 | 1984-10-09 | Analog Devices, Inc. | Trigonometric function generator |
GB2131558B (en) * | 1982-11-05 | 1986-03-05 | Walter Farrer | Measuring potential difference |
US4514689A (en) * | 1982-12-27 | 1985-04-30 | Varian Associates, Inc. | High resolution position sensing apparatus with linear variable differential transformers having phase-shifted energizing signals |
FR2587795B1 (fr) * | 1985-09-20 | 1990-02-09 | Europ Propulsion | Capteur de deplacement lineaire inductif |
US4678991A (en) * | 1985-11-18 | 1987-07-07 | United Technologies Corporation | Inductive displacement transducer with unipolar output |
DE3602107C2 (de) * | 1986-01-24 | 1996-05-30 | Bosch Gmbh Robert | Schaltungsanordnung mit Differentialtransformator |
-
1987
- 1987-11-13 US US07/120,118 patent/US4904921A/en not_active Expired - Lifetime
-
1988
- 1988-10-19 WO PCT/US1988/003668 patent/WO1989004949A2/en active IP Right Grant
- 1988-10-19 DE DE3855838T patent/DE3855838D1/de not_active Expired - Lifetime
- 1988-10-19 DE DE89900957T patent/DE3883011T2/de not_active Expired - Lifetime
- 1988-10-19 EP EP89900957A patent/EP0398901B1/de not_active Expired - Lifetime
- 1988-10-19 JP JP1500843A patent/JPH03501885A/ja active Pending
- 1988-10-19 EP EP96201773A patent/EP0741280A3/de not_active Withdrawn
- 1988-10-19 AT AT89900957T patent/ATE92620T1/de not_active IP Right Cessation
- 1988-10-19 AT AT93200010T patent/ATE150545T1/de not_active IP Right Cessation
- 1988-10-19 EP EP93200010A patent/EP0542725B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1989004949A2 (en) | 1989-06-01 |
EP0542725A2 (de) | 1993-05-19 |
US4904921A (en) | 1990-02-27 |
EP0398901A1 (de) | 1990-11-28 |
ATE150545T1 (de) | 1997-04-15 |
EP0542725B1 (de) | 1997-03-19 |
DE3855838D1 (de) | 1997-04-24 |
JPH03501885A (ja) | 1991-04-25 |
DE3883011T2 (de) | 1994-03-17 |
EP0398901B1 (de) | 1993-08-04 |
ATE92620T1 (de) | 1993-08-15 |
WO1989004949A3 (en) | 1989-11-02 |
EP0741280A2 (de) | 1996-11-06 |
EP0741280A3 (de) | 1997-03-05 |
EP0542725A3 (en) | 1994-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3883011D1 (de) | Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator. | |
DE3855048D1 (de) | Digitaler kompass und magnetometer, mit frequenzdifferenz | |
KR900000005B1 (en) | Recording apparatus | |
DE3687455T2 (de) | Sensor-verstaerkungs- und steigerungsapparat unter verwendung digitaler techniken. | |
ES8707610A1 (es) | Disposicion de sensor | |
JPS6459162A (en) | Cross coil type mobile magnet instrument | |
US3801907A (en) | Direct current measurement | |
US4467662A (en) | Signal rectifier, especially for magnetoelastic transducers | |
ATE35867T1 (de) | Schaltungsanordnung zur kompensation von schwankungen des uebertragungsfaktors eines linearen magnetfeldsensors. | |
SU788340A1 (ru) | Усилитель медленно измен ющихс сигналов | |
JPS556237A (en) | Displacement converter | |
DE3783869D1 (de) | Flusskompensierter stromwandler. | |
SU688816A2 (ru) | Трансформаторный преобразователь линейных перемещений | |
SU1675807A1 (ru) | Измеритель величины дипольного магнитного момента | |
SU1142730A2 (ru) | Датчик угловых перемещений | |
SU618774A1 (ru) | Датчик перемещени | |
SU653729A1 (ru) | Функциональный преобразователь | |
SU1645920A1 (ru) | Емкостный преобразователь | |
SU665203A1 (ru) | Преобразователь перемещений | |
SU397925A1 (ru) | Магнитный преобразователь перемещения | |
SU1264055A1 (ru) | Бесконтактный кондуктометрический преобразователь | |
SU1116525A1 (ru) | Магнитный модул тор | |
SU363206A1 (ru) | •сесоюзная | |
JPS5627602A (en) | Magnetic scale | |
SU1377987A1 (ru) | Преобразователь посто нного напр жени в посто нное |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |