JPH0463372B2 - - Google Patents

Info

Publication number
JPH0463372B2
JPH0463372B2 JP58082176A JP8217683A JPH0463372B2 JP H0463372 B2 JPH0463372 B2 JP H0463372B2 JP 58082176 A JP58082176 A JP 58082176A JP 8217683 A JP8217683 A JP 8217683A JP H0463372 B2 JPH0463372 B2 JP H0463372B2
Authority
JP
Japan
Prior art keywords
time
output
integration
reference value
circuit
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
JP58082176A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59206808A (ja
Inventor
Isamu Hashimoto
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
Priority to JP8217683A priority Critical patent/JPS59206808A/ja
Publication of JPS59206808A publication Critical patent/JPS59206808A/ja
Publication of JPH0463372B2 publication Critical patent/JPH0463372B2/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)
  • Automatic Focus Adjustment (AREA)
JP8217683A 1983-05-11 1983-05-11 焦点検出装置 Granted JPS59206808A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8217683A JPS59206808A (ja) 1983-05-11 1983-05-11 焦点検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8217683A JPS59206808A (ja) 1983-05-11 1983-05-11 焦点検出装置

Publications (2)

Publication Number Publication Date
JPS59206808A JPS59206808A (ja) 1984-11-22
JPH0463372B2 true JPH0463372B2 (enExample) 1992-10-09

Family

ID=13767120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8217683A Granted JPS59206808A (ja) 1983-05-11 1983-05-11 焦点検出装置

Country Status (1)

Country Link
JP (1) JPS59206808A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3832517B2 (ja) * 1996-07-05 2006-10-11 セイコーエプソン株式会社 ロボット用コントローラ及びその制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5513012B2 (enExample) * 1972-03-28 1980-04-05
JPS5646126B2 (enExample) * 1973-10-19 1981-10-31
JPS5315131A (en) * 1976-07-27 1978-02-10 Canon Inc Detecting method for sharpness of objective image
JPS5445127A (en) * 1977-09-17 1979-04-10 Canon Inc Focus detector by photo sensor alley
US4250377A (en) * 1979-11-30 1981-02-10 Honeywell Inc. Low contrast bias auto focus system

Also Published As

Publication number Publication date
JPS59206808A (ja) 1984-11-22

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