DE69125079T2 - Gerät zur Detektion von Bewegungsinformation - Google Patents

Gerät zur Detektion von Bewegungsinformation

Info

Publication number
DE69125079T2
DE69125079T2 DE1991625079 DE69125079T DE69125079T2 DE 69125079 T2 DE69125079 T2 DE 69125079T2 DE 1991625079 DE1991625079 DE 1991625079 DE 69125079 T DE69125079 T DE 69125079T DE 69125079 T2 DE69125079 T2 DE 69125079T2
Authority
DE
Germany
Prior art keywords
detection
movement information
movement
information
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
DE1991625079
Other languages
English (en)
Other versions
DE69125079D1 (de
Inventor
Kadowaki Hidejiro
Sugiyama Hiroshi
Ishida Yasuhiko
Takamiya Makoto
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
Application granted granted Critical
Publication of DE69125079D1 publication Critical patent/DE69125079D1/de
Publication of DE69125079T2 publication Critical patent/DE69125079T2/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
DE1991625079 1990-09-21 1991-09-19 Gerät zur Detektion von Bewegungsinformation Expired - Fee Related DE69125079T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25229090 1990-09-21
JP25578491A JP2990891B2 (ja) 1990-09-21 1991-09-06 変位情報検出装置及び速度計

Publications (2)

Publication Number Publication Date
DE69125079D1 DE69125079D1 (de) 1997-04-17
DE69125079T2 true DE69125079T2 (de) 1997-08-14

Family

ID=26540644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991625079 Expired - Fee Related DE69125079T2 (de) 1990-09-21 1991-09-19 Gerät zur Detektion von Bewegungsinformation

Country Status (3)

Country Link
EP (1) EP0476677B1 (de)
JP (1) JP2990891B2 (de)
DE (1) DE69125079T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3082533B2 (ja) 1993-08-23 2000-08-28 キヤノン株式会社 レーザードップラー速度計
JPH07297498A (ja) * 1994-03-01 1995-11-10 Seiko Epson Corp 半導体レーザおよびこれを用いた光センシング装置
JP4093971B2 (ja) * 2004-02-12 2008-06-04 シャープ株式会社 光学式移動情報検出装置および移動情報検出システムおよび電子機器およびエンコーダ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380554A1 (fr) * 1977-02-15 1978-09-08 Electricite De France Dispositif de mesure de vitesse d'ecoulement de liquide par effet doppler sur des faisceaux de laser
DE3008252A1 (de) * 1980-02-29 1981-09-17 Bernhard Dipl.-Ing. 1000 Berlin Lehmann Vorrichtung zur messung der eigenbewegung von systemen mit hilfe des optischen dopplereffektes
US4948257A (en) * 1987-09-14 1990-08-14 Tsi Incorporated Laser optical measuring device and method for stabilizing fringe pattern spacing

Also Published As

Publication number Publication date
EP0476677A3 (en) 1992-05-13
DE69125079D1 (de) 1997-04-17
JP2990891B2 (ja) 1999-12-13
EP0476677B1 (de) 1997-03-12
EP0476677A2 (de) 1992-03-25
JPH0518982A (ja) 1993-01-26

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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