DE69110190T2 - Positions- und Verschiebungsdetektor. - Google Patents

Positions- und Verschiebungsdetektor.

Info

Publication number
DE69110190T2
DE69110190T2 DE69110190T DE69110190T DE69110190T2 DE 69110190 T2 DE69110190 T2 DE 69110190T2 DE 69110190 T DE69110190 T DE 69110190T DE 69110190 T DE69110190 T DE 69110190T DE 69110190 T2 DE69110190 T2 DE 69110190T2
Authority
DE
Germany
Prior art keywords
displacement detector
detector
displacement
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
Application number
DE69110190T
Other languages
English (en)
Other versions
DE69110190D1 (de
Inventor
Henry E Geist
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69110190D1 publication Critical patent/DE69110190D1/de
Publication of DE69110190T2 publication Critical patent/DE69110190T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • 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
    • G01D5/02—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 mechanical means
    • G01D5/06—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 mechanical means acting through a wall or enclosure, e.g. by bellows, by magnetic coupling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/093—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by photoelectric pick-up
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE69110190T 1990-03-30 1991-03-14 Positions- und Verschiebungsdetektor. Expired - Fee Related DE69110190T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/502,702 US5047629A (en) 1990-03-30 1990-03-30 Position and motion detector with magnetic coupling and optical detection

Publications (2)

Publication Number Publication Date
DE69110190D1 DE69110190D1 (de) 1995-07-13
DE69110190T2 true DE69110190T2 (de) 1996-01-25

Family

ID=23999006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110190T Expired - Fee Related DE69110190T2 (de) 1990-03-30 1991-03-14 Positions- und Verschiebungsdetektor.

Country Status (5)

Country Link
US (1) US5047629A (de)
EP (1) EP0454975B1 (de)
JP (1) JPH07167610A (de)
KR (1) KR910017190A (de)
DE (1) DE69110190T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679953A5 (de) * 1989-12-07 1992-05-15 Proceq Sa
DE4030229C2 (de) * 1990-09-25 1997-07-17 Bosch Gmbh Robert Berührungsloser Winkelgeber
KR950010880B1 (ko) * 1992-05-06 1995-09-25 삼성전자주식회사 무정류자 직류모터에 있어서의 회전자위치 검출장치
EP0628456A3 (de) * 1993-05-28 1995-03-15 Code Alarm Kraftfahrzeugsicherheitssystem.
US5371598A (en) * 1993-10-07 1994-12-06 Motorola, Inc. Optical displacement sensor and method for sensing linear displacements in a shock absorber
US6043734A (en) * 1998-10-14 2000-03-28 Code Alarm, Inc. Optical shock sensor
US6288635B1 (en) 1999-01-05 2001-09-11 Code Alarm, Inc. Vehicle security system
US6462648B1 (en) 1999-03-13 2002-10-08 Code Systems, Inc. Vehicle security system
US6647771B2 (en) * 2000-08-30 2003-11-18 Mlhd, Inc. External pressure display for vehicle tires
US8366946B2 (en) * 2009-08-28 2013-02-05 United States Of America As Represented By The Secretary Of The Navy Frame for holding laminate during processing
TWI516336B (zh) * 2012-10-23 2016-01-11 財團法人工業技術研究院 液靜壓工作裝置
WO2015088492A1 (en) 2013-12-10 2015-06-18 Apple Inc. Input friction mechanism for rotary inputs of electronic devices
EP2944966B1 (de) * 2014-05-15 2019-07-10 Etel S. A.. Vibrationssensor
US9829350B2 (en) * 2014-09-09 2017-11-28 Apple Inc. Magnetically coupled optical encoder
US10145712B2 (en) 2014-09-09 2018-12-04 Apple Inc. Optical encoder including diffuser members
US9651405B1 (en) 2015-03-06 2017-05-16 Apple Inc. Dynamic adjustment of a sampling rate for an optical encoder
US10503271B2 (en) 2015-09-30 2019-12-10 Apple Inc. Proximity detection for an input mechanism of an electronic device
US10203662B1 (en) 2017-09-25 2019-02-12 Apple Inc. Optical position sensor for a crown
US11359481B2 (en) 2019-11-05 2022-06-14 Halliburton Energy Services, Inc. Indicating position of a moving mechanism of well site tools

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2313997C3 (de) * 1973-03-21 1975-08-28 Intermadox Ag, Zug (Schweiz) Lichtelektrische Potentiometeranordnung unter Vermeidung beweglicher Strom Zuführungen
US4403144A (en) * 1978-07-26 1983-09-06 Rockwell International Corporation Fiber optic accelerometer
US4296410A (en) * 1980-02-25 1981-10-20 Sprague Electric Company Two-state Hall element proximity sensor device with lamp indicator
US4356397A (en) * 1980-06-18 1982-10-26 Westinghouse Electric Corp. Optical valve position sensor system
US4448555A (en) * 1981-03-20 1984-05-15 Ricoh Company, Ltd. Impact printing apparatus with interchangeable rotary type wheels
DE3126023A1 (de) * 1981-07-02 1983-01-13 Volkswagenwerk Ag, 3180 Wolfsburg "anordnung zur gewinnung einer bewegungsinformation, insbesondere einer drehzahlinformation in einem kraftfahrzeug"
US4590425A (en) * 1982-06-23 1986-05-20 Schonstedt Instrument Company Magnetic detector apparatus with excitation conductors connected in series via sensor housing
US4459759A (en) * 1982-08-04 1984-07-17 Sundstrand Data Control, Inc. Angular rate and position transducer for borehole survey instrument
JPS6118513A (ja) * 1984-07-04 1986-01-27 Nissan Motor Co Ltd 車両用サスペンシヨン制御装置
US4676097A (en) * 1985-10-07 1987-06-30 Harbor Branch Oceanographic Institute, Inc. Submersible knotmeters
DE3542042C1 (de) * 1985-11-28 1987-01-02 Daimler Benz Ag Faseroptischer Sensor zur Erfassung der Bewegung oder Position eines Bauteils
US4796966A (en) * 1986-08-27 1989-01-10 Kovaleski Joseph G Magnetically activated fiber optic switch
DE3720373C1 (de) * 1987-06-19 1988-05-26 Bochumer Eisen Heintzmann Druckaufnehmer
JPH01235814A (ja) * 1988-03-16 1989-09-20 Hitachi Cable Ltd 変位検知センサ
US4887583A (en) * 1988-06-16 1989-12-19 Lin Hsien Chang Braking device for safety toy-gun

Also Published As

Publication number Publication date
JPH07167610A (ja) 1995-07-04
EP0454975A3 (en) 1992-04-29
KR910017190A (ko) 1991-11-05
EP0454975A2 (de) 1991-11-06
DE69110190D1 (de) 1995-07-13
EP0454975B1 (de) 1995-06-07
US5047629A (en) 1991-09-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee