JPS5652286B2 - - Google Patents

Info

Publication number
JPS5652286B2
JPS5652286B2 JP8208474A JP8208474A JPS5652286B2 JP S5652286 B2 JPS5652286 B2 JP S5652286B2 JP 8208474 A JP8208474 A JP 8208474A JP 8208474 A JP8208474 A JP 8208474A JP S5652286 B2 JPS5652286 B2 JP S5652286B2
Authority
JP
Japan
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
Application number
JP8208474A
Other versions
JPS5044821A (ja
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 filed Critical
Publication of JPS5044821A publication Critical patent/JPS5044821A/ja
Publication of JPS5652286B2 publication Critical patent/JPS5652286B2/ja
Expired 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)
  • Focusing (AREA)
JP8208474A 1973-07-18 1974-07-17 Expired JPS5652286B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00380500A US3836772A (en) 1973-07-18 1973-07-18 Detecting apparatus for determining when image is in focus

Publications (2)

Publication Number Publication Date
JPS5044821A JPS5044821A (ja) 1975-04-22
JPS5652286B2 true JPS5652286B2 (ja) 1981-12-11

Family

ID=23501409

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8208474A Expired JPS5652286B2 (ja) 1973-07-18 1974-07-17

Country Status (3)

Country Link
US (1) US3836772A (ja)
JP (1) JPS5652286B2 (ja)
CA (1) CA1007495A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS64487A (en) * 1987-03-23 1989-01-05 Eta Sa Fab Ebauches Watchcase, one set of components constituting watchcase, and method for assembling watchcase

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616408B2 (ja) * 1973-10-29 1981-04-16
US3945023A (en) * 1974-03-29 1976-03-16 Honeywell Inc. Auto-focus camera with solid state range finder
US4160904A (en) * 1977-09-19 1979-07-10 Honeywell Inc. Digital continuous focus proportional controller
US4184968A (en) * 1978-02-13 1980-01-22 Honeywell Inc. Auto focus system
US4185191A (en) * 1978-06-05 1980-01-22 Honeywell Inc. Range determination system
US4247762A (en) * 1978-11-30 1981-01-27 Honeywell Inc. Contrast sensing apparatus for automatic focus systems
JPS5737312A (en) * 1980-08-18 1982-03-01 West Electric Co Ltd Photographic lens device having focusing function
WO1992006359A1 (en) * 1990-10-09 1992-04-16 Metronics, Inc. Laser autofocus apparatus and method
CN110726532A (zh) * 2018-07-17 2020-01-24 亨泰光学股份有限公司 隐形眼镜的聚焦点检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1396327A (fr) * 1963-10-18 1965-04-23 Sud Aviation Perfectionnement apportés aux procédé et dispositifs utilisés dans la télémétrie optique
US3553455A (en) * 1968-03-01 1971-01-05 Copal Co Ltd Automatic focusing apparatus by means of phase discrimination
US3634689A (en) * 1969-04-22 1972-01-11 Hitachi Ltd Automatic position or condition control devices using relative rotation, linear positioning, and magnification
US3764213A (en) * 1972-05-08 1973-10-09 Hughes Aircraft Co Return-wave, phase controlled adaptive array

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS64487A (en) * 1987-03-23 1989-01-05 Eta Sa Fab Ebauches Watchcase, one set of components constituting watchcase, and method for assembling watchcase

Also Published As

Publication number Publication date
US3836772A (en) 1974-09-17
CA1007495A (en) 1977-03-29
JPS5044821A (ja) 1975-04-22

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