FR2606139B1 - Procede de mesure de repartition de distances - Google Patents

Procede de mesure de repartition de distances

Info

Publication number
FR2606139B1
FR2606139B1 FR8715068A FR8715068A FR2606139B1 FR 2606139 B1 FR2606139 B1 FR 2606139B1 FR 8715068 A FR8715068 A FR 8715068A FR 8715068 A FR8715068 A FR 8715068A FR 2606139 B1 FR2606139 B1 FR 2606139B1
Authority
FR
France
Prior art keywords
measurement method
distribution measurement
distance distribution
distance
measurement
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
FR8715068A
Other languages
English (en)
French (fr)
Other versions
FR2606139A1 (fr
Inventor
Sorimachi Kanehiro
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
Priority claimed from JP25857986A external-priority patent/JPH0799332B2/ja
Priority claimed from JP61258580A external-priority patent/JPH0827185B2/ja
Priority claimed from JP61287778A external-priority patent/JPH0827186B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2606139A1 publication Critical patent/FR2606139A1/fr
Application granted granted Critical
Publication of FR2606139B1 publication Critical patent/FR2606139B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
FR8715068A 1986-10-31 1987-10-30 Procede de mesure de repartition de distances Expired - Fee Related FR2606139B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP25857986A JPH0799332B2 (ja) 1986-10-31 1986-10-31 輻輳合せ機構
JP61258580A JPH0827185B2 (ja) 1986-10-31 1986-10-31 距離分布測定方法
JP61287778A JPH0827186B2 (ja) 1986-12-04 1986-12-04 距離分布測定方法及びこれに用いる輻輳合せ機構

Publications (2)

Publication Number Publication Date
FR2606139A1 FR2606139A1 (fr) 1988-05-06
FR2606139B1 true FR2606139B1 (fr) 1994-05-13

Family

ID=27334737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8715068A Expired - Fee Related FR2606139B1 (fr) 1986-10-31 1987-10-30 Procede de mesure de repartition de distances

Country Status (4)

Country Link
US (1) US4989827A (https=)
DE (1) DE3736883A1 (https=)
FR (1) FR2606139B1 (https=)
GB (1) GB2197765B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9117443D0 (en) * 1991-08-13 1992-05-27 British Aerospace Optical apparatus

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298259A (en) * 1979-08-27 1981-11-03 Asaki Kogaku Kogyo Kabushiki Kaisha Focus detecting device for photographic camera
US4254330A (en) * 1979-09-13 1981-03-03 Honeywell Inc. Low frequency enhancement range finding equipment
US4414575A (en) * 1980-11-21 1983-11-08 Hitachi Denshi Kabushiki Kaisha Autofocus system
JPS5793208A (en) * 1980-12-01 1982-06-10 Nippon Kogaku Kk <Nikon> Optical system of distance measuring apparatus
JPS584109A (ja) * 1981-06-30 1983-01-11 Canon Inc プレ検出装置
GB2104334B (en) * 1981-08-17 1986-06-18 Nat Res Corp Automatic focusing device
JPS5888212A (ja) * 1981-11-18 1983-05-26 トヨタ自動車株式会社 軸部品への嵌合部品の固定方法
JPS5915208A (ja) * 1982-06-17 1984-01-26 Olympus Optical Co Ltd 合焦検出装置
US4484225A (en) * 1982-07-22 1984-11-20 Beltronics, Inc. Electronic focusing method and apparatus for television pick-up cameras and the like
US4589770A (en) * 1982-10-25 1986-05-20 The Boeing Company Electro-optical ranging apparatus having scanning circuitry and servoloop processor for resolving separation of images on photoelectric detector arrays
GB2152780B (en) * 1983-11-15 1987-06-03 Gec Avionics Distance measurement
US4601053A (en) * 1983-11-21 1986-07-15 Grumman Aerospace Corporation Automatic TV ranging system
JPS6188212A (ja) * 1984-10-05 1986-05-06 Canon Inc 物体情報処理装置
JPS61112915A (ja) * 1984-11-08 1986-05-30 Canon Inc 距離測定方法
JPS61116611A (ja) * 1984-11-12 1986-06-04 Canon Inc 距離測定方法
JPS61182516A (ja) * 1985-02-09 1986-08-15 Canon Inc 距離測定方法
JPH0727107B2 (ja) * 1985-07-26 1995-03-29 ミノルタ株式会社 相関像比較装置及びそれを用いた焦点検出装置及び測距装置

Also Published As

Publication number Publication date
FR2606139A1 (fr) 1988-05-06
GB2197765B (en) 1991-06-26
GB2197765A (en) 1988-05-25
DE3736883A1 (de) 1988-05-11
DE3736883C2 (https=) 1992-03-12
GB8725485D0 (en) 1987-12-02
US4989827A (en) 1991-02-05

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Legal Events

Date Code Title Description
ST Notification of lapse