DE3211557C2 - - Google Patents

Info

Publication number
DE3211557C2
DE3211557C2 DE3211557A DE3211557A DE3211557C2 DE 3211557 C2 DE3211557 C2 DE 3211557C2 DE 3211557 A DE3211557 A DE 3211557A DE 3211557 A DE3211557 A DE 3211557A DE 3211557 C2 DE3211557 C2 DE 3211557C2
Authority
DE
Germany
Prior art keywords
image
optical
distance measuring
image signal
optical system
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 - Lifetime
Application number
DE3211557A
Other languages
German (de)
English (en)
Other versions
DE3211557A1 (de
Inventor
Yukichi Niwa
Yasuo Ogino
Mitsutoshi Yokohama Kanagawa Jp Ohwada
Kazuo Tokio/Tokyo Jp Tanaka
Noboru Narashino Chiba Jp Koumura
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 DE3211557A1 publication Critical patent/DE3211557A1/de
Application granted granted Critical
Publication of DE3211557C2 publication Critical patent/DE3211557C2/de
Granted 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)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Measurement Of Optical Distance (AREA)
DE19823211557 1981-03-31 1982-03-29 Entfernungsmesseinrichtung in einer kamera Granted DE3211557A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56047614A JPS57161839A (en) 1981-03-31 1981-03-31 Distance measuring device of camera

Publications (2)

Publication Number Publication Date
DE3211557A1 DE3211557A1 (de) 1982-11-11
DE3211557C2 true DE3211557C2 (US06818201-20041116-C00086.png) 1990-04-05

Family

ID=12780097

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823211557 Granted DE3211557A1 (de) 1981-03-31 1982-03-29 Entfernungsmesseinrichtung in einer kamera

Country Status (3)

Country Link
US (1) US4443078A (US06818201-20041116-C00086.png)
JP (1) JPS57161839A (US06818201-20041116-C00086.png)
DE (1) DE3211557A1 (US06818201-20041116-C00086.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424796A (en) 1986-05-12 1995-06-13 Asabi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5888728A (ja) * 1981-12-21 1983-05-26 Nippon Kogaku Kk <Nikon> カメラの自動合焦装置
JPS6053913A (ja) * 1983-09-05 1985-03-28 Canon Inc 自動合焦装置
JP2614843B2 (ja) * 1985-12-02 1997-05-28 オリンパス光学工業株式会社 自動焦点顕微鏡
US4788441A (en) * 1985-12-16 1988-11-29 Acme-Cleveland Corporation Range finder wherein distance between target and source is determined by measuring scan time across a retroreflective target
US4851657A (en) * 1985-12-23 1989-07-25 Minolta Camera Kabushiki Kaisha Focus condition detecting device using weighted center or contrast evaluation
JPH0756530B2 (ja) * 1986-03-31 1995-06-14 株式会社ニコン 撮影レンズ鏡筒およびカメラ
US5157429A (en) * 1986-05-12 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
DE3780911T2 (de) * 1986-05-12 1993-01-14 Asahi Optical Co Ltd Antriebssystem fuer ein zoomobjektiv in einer kamera mit zwischenlinsenverschluss.
US4944030B1 (en) * 1986-05-12 1993-05-25 Asahi Optical Co Ltd Lens shutter camera including zoom lens
US5280317A (en) * 1986-05-12 1994-01-18 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens drive system
US5475456A (en) * 1986-05-12 1995-12-12 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for lens shutter type of camera
US5012273B1 (en) * 1986-05-12 1996-10-01 Asahi Optical Co Ltd Lens shutter type of camera including zoom lens
US5162831A (en) * 1986-05-12 1992-11-10 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for camera
JPH0810297B2 (ja) * 1987-07-07 1996-01-31 富士写真フイルム株式会社 位相差検出装置
JPH0754372B2 (ja) * 1987-07-08 1995-06-07 富士写真フイルム株式会社 位相差検出装置
DE4308714A1 (de) * 1993-03-18 1994-09-22 Linhof Praezisions Kamera Werk Gekuppelter Entfernungsmesser für fotografische Kameras
JP3150243B2 (ja) * 1993-10-25 2001-03-26 キヤノン株式会社 測距装置及びカメラ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004852A (en) * 1975-06-30 1977-01-25 Rockwell International Corporation Integrated automatic ranging device for optical instruments
US4160587A (en) * 1976-10-01 1979-07-10 Bolex International S.A. Camera equipped with range finder for manual or automatic focusing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424796A (en) 1986-05-12 1995-06-13 Asabi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5465131A (en) 1986-05-12 1995-11-07 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5583596A (en) 1986-05-12 1996-12-10 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5713051A (en) 1986-05-12 1998-01-27 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5966551A (en) 1986-05-12 1999-10-12 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens

Also Published As

Publication number Publication date
US4443078A (en) 1984-04-17
JPH0235283B2 (US06818201-20041116-C00086.png) 1990-08-09
DE3211557A1 (de) 1982-11-11
JPS57161839A (en) 1982-10-05

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G02B 7/11

D2 Grant after examination
8364 No opposition during term of opposition