DE69529033D1 - Optisches Gerät zur Detektion einer Verschiebung - Google Patents

Optisches Gerät zur Detektion einer Verschiebung

Info

Publication number
DE69529033D1
DE69529033D1 DE69529033T DE69529033T DE69529033D1 DE 69529033 D1 DE69529033 D1 DE 69529033D1 DE 69529033 T DE69529033 T DE 69529033T DE 69529033 T DE69529033 T DE 69529033T DE 69529033 D1 DE69529033 D1 DE 69529033D1
Authority
DE
Germany
Prior art keywords
displacement
detection
optical device
optical
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
DE69529033T
Other languages
English (en)
Other versions
DE69529033T2 (de
Inventor
Makoto Takamiya
Hidejiro Kadowaki
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of DE69529033D1 publication Critical patent/DE69529033D1/de
Application granted granted Critical
Publication of DE69529033T2 publication Critical patent/DE69529033T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69529033T 1994-08-03 1995-08-02 Optisches Gerät zur Detektion einer Verschiebung Expired - Fee Related DE69529033T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18229994A JP3450446B2 (ja) 1994-08-03 1994-08-03 光学式変位検出装置

Publications (2)

Publication Number Publication Date
DE69529033D1 true DE69529033D1 (de) 2003-01-16
DE69529033T2 DE69529033T2 (de) 2003-04-17

Family

ID=16115865

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529033T Expired - Fee Related DE69529033T2 (de) 1994-08-03 1995-08-02 Optisches Gerät zur Detektion einer Verschiebung

Country Status (4)

Country Link
US (1) US5774218A (de)
EP (1) EP0699925B1 (de)
JP (1) JP3450446B2 (de)
DE (1) DE69529033T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643475C1 (de) * 1996-10-22 1998-06-25 Laser Applikationan Gmbh Verfahren zur Geschwindigkeitsmessung nach dem Laser-Doppler-Prinzip
JPH10227858A (ja) * 1997-02-13 1998-08-25 Canon Inc 変位情報測定装置
US6631047B2 (en) 1997-09-22 2003-10-07 Canon Kabushiki Kaisha Interference device, position detecting device, positioning device and information recording apparatus using the same
US6426828B1 (en) * 1999-01-05 2002-07-30 California Institute Of Technology Doppler phase shifting using dual, switched phase shifting devices
JP4365927B2 (ja) 1999-03-12 2009-11-18 キヤノン株式会社 干渉計測装置及び格子干渉式エンコーダ
US6674066B1 (en) 1999-04-16 2004-01-06 Canon Kabushiki Kaisha Encoder
JP2000321021A (ja) 1999-05-10 2000-11-24 Canon Inc 干渉装置、変位測定装置、及びそれを用いた情報記録又は／及び再生装置
JP4298093B2 (ja) 1999-11-10 2009-07-15 キヤノン株式会社 光学式回転位置情報検出装置
JP2001311606A (ja) * 2000-04-28 2001-11-09 Canon Inc 位置ずれ検出装置及び該装置を用いた磁気記録装置
US7126586B2 (en) * 2004-09-17 2006-10-24 Microsoft Corporation Data input devices and methods for detecting movement of a tracking surface by detecting laser doppler self-mixing effects of a frequency modulated laser light beam
US7777866B1 (en) 2006-07-25 2010-08-17 Kyrazis Demos T Fixed difference, dual beam laser Doppler velocimetry
US10294919B2 (en) 2013-04-25 2019-05-21 Demos T. Kyrazis Predictive blade adjustment
CN103776684A (zh) * 2014-01-22 2014-05-07 南京理工大学 用于霍普金森试验的测速装置
CN112147629B (zh) * 2020-09-27 2022-03-01 中国工程物理研究院激光聚变研究中心 一种宽速度域成像型多普勒速度仪

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935543A (en) * 1971-10-27 1976-01-27 Northrop Corporation Laser mode locking and coupling method and apparatus
US4221463A (en) * 1979-05-11 1980-09-09 Raytheon Company Optical modulator with ringing suppression
US4343536A (en) * 1979-05-15 1982-08-10 Nippon Electric Co., Ltd. Electro-optic light deflector
US4229073A (en) * 1979-08-10 1980-10-21 Hughes Aircraft Company Iso-index coupled-wave electro-optic filters
GB8727260D0 (en) * 1987-11-20 1987-12-23 British Telecomm Switched optical network
JP2504544B2 (ja) * 1988-11-14 1996-06-05 日本板硝子株式会社 多次元レ―ザドップラ速度計
US5267011A (en) * 1988-12-28 1993-11-30 United Technologies Corporation Laser doppler frequency control
EP0391278B1 (de) * 1989-03-31 1997-10-15 Canon Kabushiki Kaisha Doppler-Geschwindigkeitsmesser
JP2801360B2 (ja) * 1990-05-21 1998-09-21 キヤノン株式会社 ドツプラ速度計
US5526109A (en) * 1991-06-27 1996-06-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multi-velocity component LDV

Also Published As

Publication number Publication date
EP0699925A3 (de) 1997-01-29
EP0699925A2 (de) 1996-03-06
EP0699925B1 (de) 2002-12-04
US5774218A (en) 1998-06-30
JPH0843020A (ja) 1996-02-16
JP3450446B2 (ja) 2003-09-22
DE69529033T2 (de) 2003-04-17

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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