JPS5099541A - - Google Patents

Info

Publication number
JPS5099541A
JPS5099541A JP49001114A JP111474A JPS5099541A JP S5099541 A JPS5099541 A JP S5099541A JP 49001114 A JP49001114 A JP 49001114A JP 111474 A JP111474 A JP 111474A JP S5099541 A JPS5099541 A JP S5099541A
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.)
Pending
Application number
JP49001114A
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
Priority to JP49001114A priority Critical patent/JPS5099541A/ja
Priority to DE19742457361 priority patent/DE2457361A1/de
Priority to US05/532,120 priority patent/US3938894A/en
Publication of JPS5099541A publication Critical patent/JPS5099541A/ja
Pending 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
JP49001114A 1973-12-29 1973-12-29 Pending JPS5099541A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP49001114A JPS5099541A (ja) 1973-12-29 1973-12-29
DE19742457361 DE2457361A1 (de) 1973-12-29 1974-12-04 Photoelektrisches element zur erfassung der bildschaerfe in der bildebene eines objektivs
US05/532,120 US3938894A (en) 1973-12-29 1974-12-12 Focus detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49001114A JPS5099541A (ja) 1973-12-29 1973-12-29

Publications (1)

Publication Number Publication Date
JPS5099541A true JPS5099541A (ja) 1975-08-07

Family

ID=11492423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49001114A Pending JPS5099541A (ja) 1973-12-29 1973-12-29

Country Status (3)

Country Link
US (1) US3938894A (ja)
JP (1) JPS5099541A (ja)
DE (1) DE2457361A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54116257A (en) * 1978-01-26 1979-09-10 Suteo Tsutsumi Static type automatic focus point position detecting system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083056A (en) * 1975-09-09 1978-04-04 Asahi Kogaku Kogyo Kabushiki Kaisha Focus detecting device for single-lens reflex cameras
JPS5914723B2 (ja) * 1976-05-22 1984-04-05 旭光学工業株式会社 一眼レフカメラの焦点検出装置
US4265520A (en) * 1977-11-28 1981-05-05 Asahi Kogaku Kogyo Kabushiki Kaisha Focus detecting device in single lens reflex camera
US4272187A (en) * 1979-12-17 1981-06-09 International Business Machines Corporation Automatic alignment of optical elements in an electrophotographic apparatus
US4317991A (en) * 1980-03-12 1982-03-02 Honeywell Inc. Digital auto focus system utilizing a photodetector array
US4850673A (en) * 1987-11-23 1989-07-25 U. S. Philips Corporation Optical scanning apparatus which detects scanning spot focus error
US4810091A (en) * 1987-12-30 1989-03-07 Hewlett-Packard Company Apparatus and method for adjusting focus of a multi-element optical detector
US5631731A (en) * 1994-03-09 1997-05-20 Nikon Precision, Inc. Method and apparatus for aerial image analyzer
US20020089670A1 (en) * 2000-08-11 2002-07-11 Mortenson Douglas P. Photodetector for ring laser gyros

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542475A (en) * 1968-08-09 1970-11-24 Alphanumeric Inc Optical focusing
JPS5227531B1 (ja) * 1970-12-22 1977-07-21
JPS562686B2 (ja) * 1972-10-04 1981-01-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54116257A (en) * 1978-01-26 1979-09-10 Suteo Tsutsumi Static type automatic focus point position detecting system

Also Published As

Publication number Publication date
DE2457361A1 (de) 1975-07-10
US3938894A (en) 1976-02-17

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