JPH0232605B2 - - Google Patents

Info

Publication number
JPH0232605B2
JPH0232605B2 JP55097584A JP9758480A JPH0232605B2 JP H0232605 B2 JPH0232605 B2 JP H0232605B2 JP 55097584 A JP55097584 A JP 55097584A JP 9758480 A JP9758480 A JP 9758480A JP H0232605 B2 JPH0232605 B2 JP H0232605B2
Authority
JP
Japan
Prior art keywords
signal
pulse width
motor
focus
signals
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
JP55097584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5723910A (en
Inventor
Ryuzo Mototsugu
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP9758480A priority Critical patent/JPS5723910A/ja
Publication of JPS5723910A publication Critical patent/JPS5723910A/ja
Publication of JPH0232605B2 publication Critical patent/JPH0232605B2/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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP9758480A 1980-07-18 1980-07-18 Automatic focusing device Granted JPS5723910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9758480A JPS5723910A (en) 1980-07-18 1980-07-18 Automatic focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9758480A JPS5723910A (en) 1980-07-18 1980-07-18 Automatic focusing device

Publications (2)

Publication Number Publication Date
JPS5723910A JPS5723910A (en) 1982-02-08
JPH0232605B2 true JPH0232605B2 (enrdf_load_stackoverflow) 1990-07-23

Family

ID=14196281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9758480A Granted JPS5723910A (en) 1980-07-18 1980-07-18 Automatic focusing device

Country Status (1)

Country Link
JP (1) JPS5723910A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949522A (ja) * 1982-09-14 1984-03-22 Nippon Kogaku Kk <Nikon> カメラシステム
JPH0713703B2 (ja) * 1983-03-01 1995-02-15 株式会社ニコン 自動焦点調節装置
JPS59224806A (ja) * 1983-06-06 1984-12-17 Hitachi Denshi Ltd 合焦制御装置
JP2606123B2 (ja) * 1994-01-26 1997-04-30 株式会社ニコン 撮影レンズの位置制御装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928884B2 (ja) * 1972-12-27 1984-07-17 キヤノン株式会社 距離検出方式
JPS5746524B2 (enrdf_load_stackoverflow) * 1974-06-10 1982-10-04
JPS5484940U (enrdf_load_stackoverflow) * 1977-11-29 1979-06-15
JPS6048010B2 (ja) * 1978-02-23 1985-10-24 旭光学工業株式会社 自動焦合装置用制御回路

Also Published As

Publication number Publication date
JPS5723910A (en) 1982-02-08

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