JPS54153029A - Method of and device for automatically or semiiautomatically focusing - Google Patents

Method of and device for automatically or semiiautomatically focusing

Info

Publication number
JPS54153029A
JPS54153029A JP6098979A JP6098979A JPS54153029A JP S54153029 A JPS54153029 A JP S54153029A JP 6098979 A JP6098979 A JP 6098979A JP 6098979 A JP6098979 A JP 6098979A JP S54153029 A JPS54153029 A JP S54153029A
Authority
JP
Japan
Prior art keywords
semiiautomatically
focusing
automatically
semiiautomatically focusing
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.)
Pending
Application number
JP6098979A
Other languages
Japanese (ja)
Inventor
Riyuudaa Rainaa
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JPS54153029A publication Critical patent/JPS54153029A/en
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
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
    • G02B7/343—Systems for automatic generation of focusing signals using different areas in a pupil plane using light beam separating prisms
    • 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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
JP6098979A 1978-05-18 1979-05-17 Method of and device for automatically or semiiautomatically focusing Pending JPS54153029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782821722 DE2821722C2 (en) 1978-05-18 1978-05-18 Device for automatic or semi-automatic focusing of the image of an object on an image plane

Publications (1)

Publication Number Publication Date
JPS54153029A true JPS54153029A (en) 1979-12-01

Family

ID=6039644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6098979A Pending JPS54153029A (en) 1978-05-18 1979-05-17 Method of and device for automatically or semiiautomatically focusing

Country Status (4)

Country Link
JP (1) JPS54153029A (en)
DE (1) DE2821722C2 (en)
FR (1) FR2426272B1 (en)
GB (1) GB2021894B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788415A (en) * 1980-11-21 1982-06-02 Mamiya Koki Kk Automatic focusing control device
JPS5933409A (en) * 1982-08-19 1984-02-23 Olympus Optical Co Ltd Focusing detector

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414470A (en) * 1979-02-08 1983-11-08 Ricoh Company, Ltd. Pupil divisional focusing position detection apparatus using lenticula lens
DE3050691C2 (en) * 1979-02-09 1984-09-27 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Focusing determination device of a camera with a device for determining the average lighting of an object to be photographed
GB2195214B (en) * 1980-12-10 1988-10-26 Emi Ltd Automatic focussing system for an optical system
JPS5843409A (en) * 1981-09-10 1983-03-14 Asahi Optical Co Ltd Detection of focusing position
DD217621A1 (en) * 1983-07-20 1985-01-16 Univ Schiller Jena DEVICE FOR THE FOTOMETRIC STRUCTURE ORDER IDENTIFICATION WITH A PHOTO MEMPARATOR ARRAY

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840089A (en) * 1971-09-26 1973-06-12
JPS52110032A (en) * 1976-03-12 1977-09-14 Canon Inc Detector for focusing
JPS5593325A (en) * 1979-01-09 1980-07-15 Sharp Corp Precharge circuit of mos transistor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2156617C3 (en) * 1971-11-15 1980-08-21 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Device for determining the position of the plane of maximum amplitude of a spatial frequency, for example in the case of a range finder
CH553421A (en) * 1971-11-15 1974-08-30 Leitz Ernst Gmbh DEVICE FOR INDEPENDENT FOCUSING.
US4083056A (en) * 1975-09-09 1978-04-04 Asahi Kogaku Kogyo Kabushiki Kaisha Focus detecting device for single-lens reflex cameras
JPS5914723B2 (en) * 1976-05-22 1984-04-05 旭光学工業株式会社 Focus detection device for single-lens reflex camera
JPS6044643B2 (en) * 1977-03-18 1985-10-04 旭光学工業株式会社 focus detection device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840089A (en) * 1971-09-26 1973-06-12
JPS52110032A (en) * 1976-03-12 1977-09-14 Canon Inc Detector for focusing
JPS5593325A (en) * 1979-01-09 1980-07-15 Sharp Corp Precharge circuit of mos transistor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788415A (en) * 1980-11-21 1982-06-02 Mamiya Koki Kk Automatic focusing control device
JPS5933409A (en) * 1982-08-19 1984-02-23 Olympus Optical Co Ltd Focusing detector
JPH03604B2 (en) * 1982-08-19 1991-01-08 Olympus Optical Co

Also Published As

Publication number Publication date
GB2021894B (en) 1982-10-27
FR2426272B1 (en) 1985-12-27
DE2821722C2 (en) 1981-09-17
FR2426272A1 (en) 1979-12-14
GB2021894A (en) 1979-12-05
DE2821722A1 (en) 1979-11-22

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