FR2176326A5 - - Google Patents

Info

Publication number
FR2176326A5
FR2176326A5 FR7226503A FR7226503A FR2176326A5 FR 2176326 A5 FR2176326 A5 FR 2176326A5 FR 7226503 A FR7226503 A FR 7226503A FR 7226503 A FR7226503 A FR 7226503A FR 2176326 A5 FR2176326 A5 FR 2176326A5
Authority
FR
France
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
Application number
FR7226503A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inductosyn Corp
Original Assignee
Inductosyn Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inductosyn Corp filed Critical Inductosyn Corp
Application granted granted Critical
Publication of FR2176326A5 publication Critical patent/FR2176326A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
    • 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
    • G01D5/204—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 mutual induction between two or more coils
    • G01D5/2073—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 mutual induction between two or more coils by movement of a single coil with respect to two or more coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR7226503A 1972-03-15 1972-07-17 Expired FR2176326A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23479272A 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
FR2176326A5 true FR2176326A5 (en) 1973-10-26

Family

ID=22882847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226503A Expired FR2176326A5 (en) 1972-03-15 1972-07-17

Country Status (11)

Country Link
US (1) US3772587A (en)
JP (1) JPS5147544B2 (en)
AU (1) AU469223B2 (en)
CA (1) CA987751A (en)
CH (1) CH564761A5 (en)
DE (1) DE2365519C2 (en)
FR (1) FR2176326A5 (en)
GB (1) GB1391669A (en)
IT (1) IT959283B (en)
NO (1) NO136061C (en)
SE (1) SE391613B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494490A1 (en) * 1980-11-14 1982-05-21 Analog Devices Inc MINIATURIZED ELECTRIC TRANSFORMER

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FR2202624A5 (en) * 1972-10-10 1974-05-03 Honeywell Bull Soc Ind
NL7305172A (en) * 1973-04-13 1974-10-15
US3882437A (en) * 1973-07-13 1975-05-06 Inductosyn Corp Harmonic cancellation in a variable coupling transformer
US4096463A (en) * 1976-12-02 1978-06-20 Xerox Corporation Inductive transducer
US4167808A (en) * 1977-08-15 1979-09-18 Giddings & Lewis, Inc. Harness for electromagnetic transducer
WO1979000383A1 (en) * 1977-12-13 1979-06-28 Fujitsu Ltd Thin-film coil producing method
JPS58144107U (en) * 1982-03-24 1983-09-28 渡辺パイプ株式会社 Connecting device for aggregate assembly
US4590426A (en) * 1983-12-08 1986-05-20 Sperry Corporation Bzz and Byz sense loop geometries for cylindrical tensor gradiometer loop structures
US4985691A (en) * 1986-02-26 1991-01-15 University Of Pittsburgh Contactless motion sensor
EP0295609A3 (en) * 1987-06-15 1991-01-09 Kollmorgen Corporation Printed circuit windings for screened inductance sensors, especially sensors for level measurement
US4918418A (en) * 1988-08-04 1990-04-17 Caterpillar Inc. Inductive coil structure with electrical return path
DE4003902A1 (en) * 1990-02-09 1991-08-14 Bosch Gmbh Robert POSITIONER
US5239288A (en) * 1990-03-09 1993-08-24 Transicoil Inc. Resolver having planar windings
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
US20030062889A1 (en) * 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
US5939966A (en) * 1994-06-02 1999-08-17 Ricoh Company, Ltd. Inductor, transformer, and manufacturing method thereof
GB9523991D0 (en) * 1995-11-23 1996-01-24 Scient Generics Ltd Position encoder
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
AU7665998A (en) 1997-05-28 1998-12-30 Absolute Sensors Limited Transducer and method of manufacture
GB9720954D0 (en) 1997-10-02 1997-12-03 Scient Generics Ltd Commutators for motors
GB9721891D0 (en) 1997-10-15 1997-12-17 Scient Generics Ltd Symmetrically connected spiral transducer
FI103919B1 (en) * 1998-02-26 1999-10-15 Valmet Automation Inc Device for measuring the characteristics of a moving paper or cardboard web
GB9811151D0 (en) 1998-05-22 1998-07-22 Scient Generics Ltd Rotary encoder
DE69911641T2 (en) 1998-11-27 2004-08-05 Synaptics (Uk) Ltd., Harston POSITION SENSOR
US7019672B2 (en) * 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
DE60024321T2 (en) * 1999-12-10 2006-08-17 Sensopad Ltd., Harston HUMAN / MACHINE INTERFACE
US7511705B2 (en) 2001-05-21 2009-03-31 Synaptics (Uk) Limited Position sensor
US7196604B2 (en) * 2001-05-30 2007-03-27 Tt Electronics Technology Limited Sensing apparatus and method
GB0126014D0 (en) * 2001-10-30 2001-12-19 Sensopad Technologies Ltd Modulated field position sensor
GB2403017A (en) 2002-03-05 2004-12-22 Synaptics Position sensor
WO2003105072A2 (en) 2002-06-05 2003-12-18 Synaptics (Uk) Limited Signal transfer method and apparatus
GB2394293A (en) * 2002-10-16 2004-04-21 Gentech Invest Group Ag Inductive sensing apparatus and method
WO2004036147A2 (en) * 2002-10-16 2004-04-29 Tt Electronics Technology Limited Position sensing apparatus and method
GB0303627D0 (en) * 2003-02-17 2003-03-19 Sensopad Technologies Ltd Sensing method and apparatus
GB0317370D0 (en) 2003-07-24 2003-08-27 Synaptics Uk Ltd Magnetic calibration array
GB0319945D0 (en) 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
JP2008509418A (en) * 2004-08-09 2008-03-27 センソパッド リミテッド Detection apparatus and detection method
WO2008139216A2 (en) 2007-05-10 2008-11-20 Cambridge Integrated Circuits Limited Transducer
GB2488389C (en) 2010-12-24 2018-08-22 Cambridge Integrated Circuits Ltd Position sensing transducer
JP5802429B2 (en) * 2011-05-02 2015-10-28 オークマ株式会社 Stator and resolver
GB2503006B (en) 2012-06-13 2017-08-09 Cambridge Integrated Circuits Ltd Position sensing transducer
US20220205815A1 (en) * 2020-12-31 2022-06-30 Mitutoyo Corporation Sensing winding configuration for inductive position encoder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685070A (en) * 1948-10-27 1954-07-27 Edward G Martin Variable inductance measuring apparatus
US2867783A (en) * 1948-11-06 1959-01-06 Edward G Martin Measuring device
US2915721A (en) * 1957-06-13 1959-12-01 Inductosyn Corp Reduction of single-turn loop coupling in position-measuring transformers
US3148347A (en) * 1961-01-27 1964-09-08 Westinghouse Electric Corp Transducer having relatively angular movable bifilar printed-circuit-type coils
GB1157805A (en) * 1965-07-30 1969-07-09 Emi Ltd Improvements in or relating to Circuit Elements especially for use as Scanning Coils
GB1233546A (en) * 1965-07-30 1971-05-26
US3441888A (en) * 1966-10-03 1969-04-29 Inductosyn Corp Multi-layer windings for position measuring transformers
US3668587A (en) * 1970-05-13 1972-06-06 Inductosyn Corp Multi-layer polyphase winding member and transformer
US3673584A (en) * 1971-03-08 1972-06-27 Inductosyn Corp Position-measuring transformer having end-detecting windings useful for positioning a magnetic head of a disc drive system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494490A1 (en) * 1980-11-14 1982-05-21 Analog Devices Inc MINIATURIZED ELECTRIC TRANSFORMER

Also Published As

Publication number Publication date
SE391613B (en) 1977-02-21
US3772587A (en) 1973-11-13
NO136061C (en) 1977-07-13
DE2365519C2 (en) 1976-11-18
DE2303763A1 (en) 1973-09-27
AU469223B2 (en) 1976-02-05
CA987751A (en) 1976-04-20
GB1391669A (en) 1975-04-23
DE2365519B1 (en) 1976-04-01
CH564761A5 (en) 1975-07-31
IT959283B (en) 1973-11-10
NO136061B (en) 1977-04-04
JPS5147544B2 (en) 1976-12-15
AU4360672A (en) 1974-01-03
DE2303763B2 (en) 1976-01-02
JPS493655A (en) 1974-01-12

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse