JPS59177509A - レンズの無限遠側移動限界における自動焦点制御装置 - Google Patents

レンズの無限遠側移動限界における自動焦点制御装置

Info

Publication number
JPS59177509A
JPS59177509A JP5337883A JP5337883A JPS59177509A JP S59177509 A JPS59177509 A JP S59177509A JP 5337883 A JP5337883 A JP 5337883A JP 5337883 A JP5337883 A JP 5337883A JP S59177509 A JPS59177509 A JP S59177509A
Authority
JP
Japan
Prior art keywords
lens
motor
limit
movement
encoder
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.)
Granted
Application number
JP5337883A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0380289B2 (enrdf_load_stackoverflow
Inventor
Makoto Takahashi
高橋　孚
Masaru Yamamoto
勝 山本
Riichi Atsuta
熱田　利一
Masao Tsujimura
辻村　正男
Masamichi Hirooka
広岡　正道
Kazuo Ishikawa
和男 石川
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.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP5337883A priority Critical patent/JPS59177509A/ja
Publication of JPS59177509A publication Critical patent/JPS59177509A/ja
Publication of JPH0380289B2 publication Critical patent/JPH0380289B2/ja
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP5337883A 1983-03-29 1983-03-29 レンズの無限遠側移動限界における自動焦点制御装置 Granted JPS59177509A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5337883A JPS59177509A (ja) 1983-03-29 1983-03-29 レンズの無限遠側移動限界における自動焦点制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5337883A JPS59177509A (ja) 1983-03-29 1983-03-29 レンズの無限遠側移動限界における自動焦点制御装置

Publications (2)

Publication Number Publication Date
JPS59177509A true JPS59177509A (ja) 1984-10-08
JPH0380289B2 JPH0380289B2 (enrdf_load_stackoverflow) 1991-12-24

Family

ID=12941152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5337883A Granted JPS59177509A (ja) 1983-03-29 1983-03-29 レンズの無限遠側移動限界における自動焦点制御装置

Country Status (1)

Country Link
JP (1) JPS59177509A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236620A (ja) * 1986-04-16 1987-02-17 Minolta Camera Co Ltd 焦点検出装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675607A (en) * 1979-11-26 1981-06-22 Ricoh Co Ltd Automatic focus detecting device
JPS5745510A (en) * 1980-07-10 1982-03-15 Honeywell Inc Automatically focusing method and device
JPS57158819A (en) * 1981-03-27 1982-09-30 Olympus Optical Co Ltd Method for focusing detection
JPS57196219A (en) * 1981-05-28 1982-12-02 Canon Inc Autofocusing camera
JPS581109A (ja) * 1981-06-26 1983-01-06 Ricoh Co Ltd 自動焦点検出制御装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675607A (en) * 1979-11-26 1981-06-22 Ricoh Co Ltd Automatic focus detecting device
JPS5745510A (en) * 1980-07-10 1982-03-15 Honeywell Inc Automatically focusing method and device
JPS57158819A (en) * 1981-03-27 1982-09-30 Olympus Optical Co Ltd Method for focusing detection
JPS57196219A (en) * 1981-05-28 1982-12-02 Canon Inc Autofocusing camera
JPS581109A (ja) * 1981-06-26 1983-01-06 Ricoh Co Ltd 自動焦点検出制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236620A (ja) * 1986-04-16 1987-02-17 Minolta Camera Co Ltd 焦点検出装置

Also Published As

Publication number Publication date
JPH0380289B2 (enrdf_load_stackoverflow) 1991-12-24

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