DE68925449T2 - Automatisches Fokussierungssystem für eine Kamera - Google Patents

Automatisches Fokussierungssystem für eine Kamera

Info

Publication number
DE68925449T2
DE68925449T2 DE1989625449 DE68925449T DE68925449T2 DE 68925449 T2 DE68925449 T2 DE 68925449T2 DE 1989625449 DE1989625449 DE 1989625449 DE 68925449 T DE68925449 T DE 68925449T DE 68925449 T2 DE68925449 T2 DE 68925449T2
Authority
DE
Germany
Prior art keywords
camera
automatic focusing
focusing system
automatic
focusing
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
DE1989625449
Other languages
English (en)
Other versions
DE68925449D1 (de
Inventor
Noboru C O Asahi Kogaku Suzuki
Shigeo Toji
Masahiro C O Asahi Ko Kawasaki
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
Application granted granted Critical
Publication of DE68925449D1 publication Critical patent/DE68925449D1/de
Publication of DE68925449T2 publication Critical patent/DE68925449T2/de
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
    • G02B7/282—Autofocusing of zoom lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Lenses (AREA)
DE1989625449 1988-09-29 1989-09-29 Automatisches Fokussierungssystem für eine Kamera Expired - Fee Related DE68925449T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24568288A JPH0293417A (ja) 1988-09-29 1988-09-29 ズームレンズのマクロ領域における自動合焦装置

Publications (2)

Publication Number Publication Date
DE68925449D1 DE68925449D1 (de) 1996-02-29
DE68925449T2 true DE68925449T2 (de) 1996-09-05

Family

ID=17137244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989625449 Expired - Fee Related DE68925449T2 (de) 1988-09-29 1989-09-29 Automatisches Fokussierungssystem für eine Kamera

Country Status (3)

Country Link
EP (1) EP0361523B1 (de)
JP (1) JPH0293417A (de)
DE (1) DE68925449T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473628A (ja) * 1990-07-13 1992-03-09 Toshiba Corp 自動焦点合わせ装置
JP2726346B2 (ja) * 1991-12-25 1998-03-11 佐原 今朝徳 手術用顕微鏡の自動焦点機構

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126015A (ja) * 1984-07-16 1986-02-05 Ricoh Co Ltd オ−トフオ−カス方法
JPH0756525B2 (ja) * 1984-09-12 1995-06-14 ミノルタ株式会社 フォーカスエイド機能を有するカメラシステムとそれに用いる交換レンズ鏡胴
JPS61230111A (ja) * 1985-04-04 1986-10-14 Konishiroku Photo Ind Co Ltd 自動合焦装置
JPS6329717A (ja) * 1986-07-23 1988-02-08 Minolta Camera Co Ltd 焦点調節装置

Also Published As

Publication number Publication date
EP0361523A2 (de) 1990-04-04
EP0361523A3 (de) 1991-07-17
EP0361523B1 (de) 1996-01-17
JPH0293417A (ja) 1990-04-04
DE68925449D1 (de) 1996-02-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PENTAX CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee