DE68917314T2 - Gleichpoliger induktiver verschiebungsfühler. - Google Patents
Gleichpoliger induktiver verschiebungsfühler.Info
- Publication number
- DE68917314T2 DE68917314T2 DE68917314T DE68917314T DE68917314T2 DE 68917314 T2 DE68917314 T2 DE 68917314T2 DE 68917314 T DE68917314 T DE 68917314T DE 68917314 T DE68917314 T DE 68917314T DE 68917314 T2 DE68917314 T2 DE 68917314T2
- Authority
- DE
- Germany
- Prior art keywords
- same
- shift detector
- pole inductive
- inductive shift
- pole
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
-
- 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
- G01D5/2006—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 by influencing the self-induction of one or more coils
- G01D5/2013—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 by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888823836A GB8823836D0 (en) | 1988-10-11 | 1988-10-11 | Homopolar inductive shaft angle sensor |
GB898916749A GB8916749D0 (en) | 1989-07-21 | 1989-07-21 | Homopolar inductive displacement sensor |
PCT/GB1989/001198 WO1990004152A1 (en) | 1988-10-11 | 1989-10-11 | Homopolar inductive displacement sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68917314D1 DE68917314D1 (de) | 1994-09-08 |
DE68917314T2 true DE68917314T2 (de) | 1995-02-23 |
Family
ID=26294503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68917314T Expired - Fee Related DE68917314T2 (de) | 1988-10-11 | 1989-10-11 | Gleichpoliger induktiver verschiebungsfühler. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5214378A (de) |
EP (1) | EP0438490B1 (de) |
JP (1) | JPH04501172A (de) |
DE (1) | DE68917314T2 (de) |
GB (1) | GB2241788B (de) |
WO (1) | WO1990004152A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4113745C2 (de) * | 1991-04-26 | 1993-11-25 | Mehnert Walter Dr | Induktiver Stellungsgeber |
GB9110698D0 (en) * | 1991-05-17 | 1991-07-10 | Radiodetection Ltd | Inductive displacement sensors |
DE4127209C2 (de) * | 1991-08-16 | 1996-05-23 | Mehnert Walter Dr | Geber zur induktiven Erzeugung eines Meßsignals |
GB9123633D0 (en) * | 1991-11-07 | 1992-01-02 | Radiodetection Ltd | Devices comprising angular displacement sensors |
US5696412A (en) * | 1993-10-20 | 1997-12-09 | Iannello; Victor | Sensor-less position detector for an active magnetic bearing |
US5736800A (en) * | 1994-10-18 | 1998-04-07 | Iannello; Victor | Light weight, high performance radial actuator for magnetic bearing systems |
EP0743508A2 (de) * | 1995-05-16 | 1996-11-20 | Mitutoyo Corporation | Positionssensor unter Anwendung des Strominduktionsprinzips |
US6002250A (en) * | 1996-05-13 | 1999-12-14 | Mitutoyo Corporation | Electronic linear scale using a self-contained, low-power inductive position transducer |
US5973494A (en) * | 1996-05-13 | 1999-10-26 | Mitutoyo Corporation | Electronic caliper using a self-contained, low power inductive position transducer |
US5955880A (en) * | 1996-12-05 | 1999-09-21 | Beam; Palmer H. | Sealless pump rotor position and bearing monitor |
US5886519A (en) * | 1997-01-29 | 1999-03-23 | Mitutoyo Corporation | Multi-scale induced current absolute position transducer |
US5925951A (en) * | 1998-06-19 | 1999-07-20 | Sundstrand Fluid Handling Corporation | Electromagnetic shield for an electric motor |
IT1309989B1 (it) * | 1999-06-29 | 2002-02-05 | Gd Spa | Dispositivo di movimentazione di rulli in macchine automatiche. |
US7289295B2 (en) * | 2004-05-12 | 2007-10-30 | Headway Technologies, Inc. | Return pole field reduction for perpendicular write head |
JP5787412B2 (ja) * | 2010-07-02 | 2015-09-30 | 国立大学法人九州大学 | 角度検出装置 |
DE112012000422T5 (de) | 2011-01-07 | 2013-10-17 | Woodward Mpc, Inc. | Verfahren und Vorrichtung für ein Halbbrücken-Differentialtransformator-Positionserfassungssystem |
US8742715B2 (en) | 2011-06-09 | 2014-06-03 | Simmonds Precision Products, Inc. | System and method for providing control of an electric motor using inductive rotary sensor |
FR3075524B1 (fr) * | 2017-12-15 | 2020-01-03 | Alessandro Manneschi | Detecteur double technologie a bobines transverses |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3045227A (en) * | 1958-01-27 | 1962-07-17 | Minas Giorgio | Electromagnetic devices for converting a movement of an electric value |
US3205384A (en) * | 1963-01-14 | 1965-09-07 | Sears Anthony | Homopolar generator |
DE2449697C3 (de) * | 1973-10-19 | 1980-08-14 | Hitachi, Ltd., Tokio | Mechanisch-elektrischer Meßumformer |
US4587741A (en) * | 1983-09-27 | 1986-05-13 | Develco, Inc. | Ball inclinometer |
DE3582783D1 (de) * | 1984-11-20 | 1991-06-13 | S G Kk | Einrichtung zum erfassen der drehlage. |
DE3534460A1 (de) * | 1985-05-24 | 1986-11-27 | Robert Bosch Gmbh, 7000 Stuttgart | Sensoranordnung |
FR2601129B1 (fr) * | 1986-07-02 | 1994-06-03 | Commissariat Energie Atomique | Capteur de position angulaire et ensemble de determination de position angulaire muni de plusieurs de ces capteurs |
US4755751A (en) * | 1986-12-29 | 1988-07-05 | Allen-Bradley Company, Inc. | Brushless rotary position transducer |
EP0349547B1 (de) * | 1987-02-27 | 1993-05-05 | Radiodetection Limited | Induktiver verschiebungsfühler |
DE3916864A1 (de) * | 1989-05-24 | 1990-11-29 | Bosch Gmbh Robert | Messeinrichtung zur messung eines drehwinkels |
-
1989
- 1989-10-11 WO PCT/GB1989/001198 patent/WO1990004152A1/en active IP Right Grant
- 1989-10-11 DE DE68917314T patent/DE68917314T2/de not_active Expired - Fee Related
- 1989-10-11 EP EP89911846A patent/EP0438490B1/de not_active Expired - Lifetime
- 1989-10-11 JP JP1511001A patent/JPH04501172A/ja active Pending
- 1989-10-11 US US07/679,026 patent/US5214378A/en not_active Expired - Fee Related
-
1991
- 1991-04-09 GB GB9107402A patent/GB2241788B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2241788A (en) | 1991-09-11 |
GB2241788B (en) | 1992-05-06 |
EP0438490B1 (de) | 1994-08-03 |
DE68917314D1 (de) | 1994-09-08 |
GB9107402D0 (en) | 1991-05-22 |
WO1990004152A1 (en) | 1990-04-19 |
US5214378A (en) | 1993-05-25 |
JPH04501172A (ja) | 1992-02-27 |
EP0438490A1 (de) | 1991-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: REGAL COMPONENTS AB, UPPSALA, SE |
|
8339 | Ceased/non-payment of the annual fee |