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FR2646933B1 - Dispositif de mesure de distance - Google Patents

Dispositif de mesure de distance

Info

Publication number
FR2646933B1
FR2646933B1 FR9005786A FR9005786A FR2646933B1 FR 2646933 B1 FR2646933 B1 FR 2646933B1 FR 9005786 A FR9005786 A FR 9005786A FR 9005786 A FR9005786 A FR 9005786A FR 2646933 B1 FR2646933 B1 FR 2646933B1
Authority
FR
France
Prior art keywords
measuring device
distance measuring
distance
measuring
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
FR9005786A
Other languages
English (en)
Other versions
FR2646933A1 (fr
Inventor
Honma Akira
Takami Satoshi
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2646933A1 publication Critical patent/FR2646933A1/fr
Application granted granted Critical
Publication of FR2646933B1 publication Critical patent/FR2646933B1/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
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
FR9005786A 1989-05-09 1990-05-09 Dispositif de mesure de distance Expired - Fee Related FR2646933B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1115297A JP3012248B2 (ja) 1989-05-09 1989-05-09 自動焦点検出装置および自動焦点検出装置を備えたカメラ

Publications (2)

Publication Number Publication Date
FR2646933A1 FR2646933A1 (fr) 1990-11-16
FR2646933B1 true FR2646933B1 (fr) 1994-02-25

Family

ID=14659155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9005786A Expired - Fee Related FR2646933B1 (fr) 1989-05-09 1990-05-09 Dispositif de mesure de distance

Country Status (4)

Country Link
US (1) US5051767A (fr)
JP (1) JP3012248B2 (fr)
FR (1) FR2646933B1 (fr)
GB (1) GB2231676B (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274429A (en) * 1989-04-14 1993-12-28 Asahi Kogaku Kogyo Kabushiki Kaisha Distance measuring device
US5278602A (en) * 1989-05-09 1994-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Distance measuring device
US5264889A (en) * 1990-04-17 1993-11-23 Minolta Camera Kabushiki Kaisha Apparatus having an automatic focus detecting device
US5227833A (en) * 1990-04-17 1993-07-13 Minolta Camera Kabushiki Kaisha Apparatus having an automatic focus detecting device
US5258799A (en) * 1991-03-12 1993-11-02 Minolta Camera Kabushiki Kaisha Auto focus camera with pseudo focal length mode
JP3076625B2 (ja) * 1991-04-09 2000-08-14 旭光学工業株式会社 カメラの測距装置
KR0137861B1 (ko) * 1991-07-15 1998-05-15 강진구 레이저 빔을 이용한 촬영 영역 표시 회로
JP3288754B2 (ja) * 1992-06-15 2002-06-04 旭光学工業株式会社 測距装置
JPH06214149A (ja) * 1993-01-14 1994-08-05 Nikon Corp 測距装置
US5537177A (en) * 1993-01-21 1996-07-16 Nikon Corporation Camera
JPH06281854A (ja) * 1993-03-29 1994-10-07 Asahi Optical Co Ltd 照明装置
JP2604863Y2 (ja) * 1993-11-10 2000-06-05 旭光学工業株式会社 赤目防止機能を有する自動合焦カメラ
JPH07287161A (ja) * 1994-04-15 1995-10-31 Asahi Optical Co Ltd 多点測距装置
US5805939A (en) * 1994-06-07 1998-09-08 Minolta Co., Ltd. Camera arranged with a viewfinder system having an optical axis different from that of a distance measuring device
US5623706A (en) * 1994-07-26 1997-04-22 Asahi Kogaku Kogyo Kabushiki Kaisha Camera having auto focusing and auto exposure functions
JPH0875986A (ja) * 1994-09-06 1996-03-22 Nikon Corp 焦点検出装置
DE19606694C2 (de) 1995-02-22 2002-12-12 Asahi Optical Co Ltd Entfernungsmeßvorrichtung
JPH0980300A (ja) * 1995-09-11 1997-03-28 Asahi Optical Co Ltd 自動焦点検出用光学ユニット
US5721977A (en) * 1996-01-19 1998-02-24 Minolta Co., Ltd. Distance measuring apparatus of camera improved in measuring process
JP3462006B2 (ja) * 1996-05-20 2003-11-05 株式会社ミツトヨ オートフォーカス装置
JP3597657B2 (ja) * 1996-12-24 2004-12-08 コニカミノルタフォトイメージング株式会社 カメラの測距装置
US5949548A (en) * 1997-01-22 1999-09-07 Asahi Kogaku Kogyo Kabushiki Kaisha Height sensing measurement device
JPH11109218A (ja) * 1997-10-03 1999-04-23 Minolta Co Ltd 自動焦点検出装置
JP2000162493A (ja) * 1998-11-25 2000-06-16 Fuji Photo Optical Co Ltd 測距装置
JP2001091819A (ja) * 1999-09-17 2001-04-06 Olympus Optical Co Ltd カメラの測距装置
JP3603715B2 (ja) * 2000-01-14 2004-12-22 ミノルタ株式会社 測距装置および該測距装置を備えたカメラ
JP2003215436A (ja) * 2002-01-22 2003-07-30 Minolta Co Ltd カメラ
JP2003215442A (ja) * 2002-01-25 2003-07-30 Canon Inc 多点測距装置
US7720370B2 (en) * 2004-01-30 2010-05-18 Panasonic Corporation Lens barrel and imaging device provided with lens barrel, and assembly method of lens barrel
JP5499432B2 (ja) * 2007-10-05 2014-05-21 ソニー株式会社 撮像装置
JP5264847B2 (ja) * 2010-09-15 2013-08-14 キヤノン株式会社 測距装置、レンズシステムおよび撮像装置
JP5867996B2 (ja) * 2010-12-27 2016-02-24 キヤノン株式会社 焦点検出装置及びそれを有する撮像装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451556A (en) * 1977-09-29 1979-04-23 Canon Inc Distance measuring apparatus
JPS5482229A (en) * 1977-12-14 1979-06-30 Canon Inc Automatic focus control camera
US4506970A (en) * 1982-07-09 1985-03-26 Canon Kabushiki Kaisha Focus detection device
US4636624A (en) * 1983-01-10 1987-01-13 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras
JPH0666007B2 (ja) * 1983-01-10 1994-08-24 ミノルタカメラ株式会社 カメラのピント検出装置
JPS61279829A (ja) * 1985-06-06 1986-12-10 Canon Inc 測光装置を有するカメラ
JPH0682647B2 (ja) * 1986-02-21 1994-10-19 日立東京エレクトロニクス株式会社 処理装置
US4812912A (en) * 1986-05-26 1989-03-14 Minolta Camera Kabushiki Kaisha Focus detection condition display device for camera
JPS6335909A (ja) * 1986-07-30 1988-02-16 Nippon Concrete Ind Co Ltd プレキヤスト製圧力水路トンネル
JPS62156608A (ja) * 1986-10-18 1987-07-11 Koshina:Kk 合焦装置
JPS63155013A (ja) * 1986-12-19 1988-06-28 Toshiba Corp フオ−カス装置
JPH0782143B2 (ja) * 1987-02-25 1995-09-06 旭光学工業株式会社 自動焦点カメラのマクロ撮影時のピント補正装置
JPS63235909A (ja) * 1987-03-24 1988-09-30 Fuji Photo Optical Co Ltd アクテイブ型オ−トフオ−カス機構

Also Published As

Publication number Publication date
JP3012248B2 (ja) 2000-02-21
GB2231676B (en) 1994-02-16
US5051767A (en) 1991-09-24
JPH02293833A (ja) 1990-12-05
FR2646933A1 (fr) 1990-11-16
GB9010384D0 (en) 1990-06-27
GB2231676A (en) 1990-11-21

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070131