FR2209120A1 - - Google Patents

Info

Publication number
FR2209120A1
FR2209120A1 FR7342368A FR7342368A FR2209120A1 FR 2209120 A1 FR2209120 A1 FR 2209120A1 FR 7342368 A FR7342368 A FR 7342368A FR 7342368 A FR7342368 A FR 7342368A FR 2209120 A1 FR2209120 A1 FR 2209120A1
Authority
FR
France
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.)
Granted
Application number
FR7342368A
Other versions
FR2209120B1 (fr
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
Publication of FR2209120A1 publication Critical patent/FR2209120A1/fr
Application granted granted Critical
Publication of FR2209120B1 publication Critical patent/FR2209120B1/fr
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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
FR7342368A 1972-11-30 1973-11-28 Expired FR2209120B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12024472A JPS5340334B2 (fr) 1972-11-30 1972-11-30

Publications (2)

Publication Number Publication Date
FR2209120A1 true FR2209120A1 (fr) 1974-06-28
FR2209120B1 FR2209120B1 (fr) 1977-09-30

Family

ID=14781388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7342368A Expired FR2209120B1 (fr) 1972-11-30 1973-11-28

Country Status (5)

Country Link
US (1) US3849643A (fr)
JP (1) JPS5340334B2 (fr)
DE (1) DE2356978B2 (fr)
FR (1) FR2209120B1 (fr)
GB (1) GB1449191A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010479A (en) * 1974-07-10 1977-03-01 Asahi Kogaku Kogyo Kabushiki Kaisha Focusing apparatus for optical systems
JPS5116020A (en) * 1974-07-30 1976-02-09 Minolta Camera Kk Jidoshotenkenshutsusochi
US4041505A (en) * 1975-12-31 1977-08-09 Bell & Howell Company Automatic electronic rangefinder
JPS5616574Y2 (fr) * 1976-03-30 1981-04-17
JPS5541432A (en) * 1978-09-20 1980-03-24 Nippon Kogaku Kk <Nikon> Focus detector
DE2910875C2 (de) * 1979-03-20 1985-11-14 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur automatischen Scharfeinstellung
KR20050035153A (ko) * 2001-10-10 2005-04-15 액센트 옵티칼 테크놀로지스 인코포레이티드 단면 분석법에 의한 초점 중심의 결정
WO2010087794A1 (fr) * 2009-01-29 2010-08-05 Thomson Licensing Caméra unique pour capture d'image en 3d stéréoscopique
JP6334528B2 (ja) * 2013-07-03 2018-05-30 株式会社Ｆｕｊｉ 撮像装置および生産設備

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555280A (en) * 1966-04-19 1971-01-12 Hycon Mfg Co Automatic focus sensor and control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450018A (en) * 1966-08-30 1969-06-17 Bell & Howell Co Automatic focusing apparatus
DE2156617C3 (de) * 1971-11-15 1980-08-21 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur Bestimmung der Lage der Ebene maximaler Amplitude einer Ortsfrequenz, beispielsweise bei einem Entfernungsmesser

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555280A (en) * 1966-04-19 1971-01-12 Hycon Mfg Co Automatic focus sensor and control

Also Published As

Publication number Publication date
JPS5340334B2 (fr) 1978-10-26
GB1449191A (en) 1976-09-15
FR2209120B1 (fr) 1977-09-30
JPS4978542A (fr) 1974-07-29
US3849643A (en) 1974-11-19
DE2356978A1 (de) 1974-06-06
DE2356978B2 (de) 1976-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse