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ATE32007T1 - Automatisches fokussierungssteuersystem fuer eine videokamera. - Google Patents

Automatisches fokussierungssteuersystem fuer eine videokamera.

Info

Publication number
ATE32007T1
ATE32007T1 AT84303529T AT84303529T ATE32007T1 AT E32007 T1 ATE32007 T1 AT E32007T1 AT 84303529 T AT84303529 T AT 84303529T AT 84303529 T AT84303529 T AT 84303529T AT E32007 T1 ATE32007 T1 AT E32007T1
Authority
AT
Austria
Prior art keywords
optical
control system
video camera
automatic focusing
sub
Prior art date
Application number
AT84303529T
Other languages
English (en)
Inventor
Yasuo Nakada
Yukihiro Kato
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE32007T1 publication Critical patent/ATE32007T1/de

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
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/671—Focus control based on electronic image sensor signals in combination with active ranging signals, e.g. using light or sound signals emitted toward objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
AT84303529T 1983-05-25 1984-05-24 Automatisches fokussierungssteuersystem fuer eine videokamera. ATE32007T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58090697A JPS59216380A (ja) 1983-05-25 1983-05-25 ビデオカメラ
EP84303529A EP0127451B1 (de) 1983-05-25 1984-05-24 Automatisches Fokussierungssteuersystem für eine Videokamera

Publications (1)

Publication Number Publication Date
ATE32007T1 true ATE32007T1 (de) 1988-01-15

Family

ID=14005717

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84303529T ATE32007T1 (de) 1983-05-25 1984-05-24 Automatisches fokussierungssteuersystem fuer eine videokamera.

Country Status (7)

Country Link
US (1) US4609944A (de)
EP (1) EP0127451B1 (de)
JP (1) JPS59216380A (de)
AT (1) ATE32007T1 (de)
AU (1) AU569742B2 (de)
CA (1) CA1214262A (de)
DE (1) DE3468804D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6119211U (ja) * 1984-07-06 1986-02-04 株式会社 コシナ オ−トフオ−カス付ズ−ムレンズ
JPH0822030B2 (ja) * 1985-07-10 1996-03-04 旭精密株式会社 テレビカメラ用レンズの自動絞り制御装置
US4684995A (en) * 1986-06-20 1987-08-04 Eastman Kodak Company Simultaneous exposure/focus control in a video camera using a solid state image sensor
DE3783435T2 (de) * 1986-10-02 1993-07-29 Victor Company Of Japan Automatisches fokussierungsverfahren.
JPH0771208B2 (ja) * 1986-11-19 1995-07-31 キヤノン株式会社 合焦検出装置
DE3810228A1 (de) * 1987-03-26 1988-10-06 Asahi Optical Co Ltd Signalprozessor fuer ein autofokus-videosignal einer elektronisch gesteuerten kamera
JPS6461175A (en) * 1987-08-31 1989-03-08 Asahi Optical Co Ltd Sensitivity automatic adjusting device for electronic still camera
US4838668A (en) * 1987-10-09 1989-06-13 Eastman Kodak Company Zoom lens
US4757372A (en) * 1987-10-09 1988-07-12 Eastman Kodak Company SLR zoom camera
US4817922A (en) * 1987-10-23 1989-04-04 The Goodyear Tire & Rubber Company Airspring height sensor
JPH01218268A (ja) * 1988-02-26 1989-08-31 Sony Corp 交換レンズ装置及びカメラ装置
CA1313466C (en) * 1988-05-11 1993-02-09 Kenichi Kikuchi Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal
JPH01293771A (ja) * 1988-05-20 1989-11-27 Victor Co Of Japan Ltd オートフォーカス方式
DE58906549D1 (de) * 1988-07-28 1994-02-10 Contraves Ag Automatische Steuerung der Fokussierung einer Video-Kamera für industrielle/militärische Zwecke.
EP0444600B1 (de) * 1990-02-28 1997-08-06 Sanyo Electric Co., Ltd. Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen
US5170202A (en) * 1990-07-03 1992-12-08 Eastman Kodak Company Contrast-based autofocus mechanism
JP2003337278A (ja) * 2002-03-15 2003-11-28 Fuji Photo Optical Co Ltd レンズシステム
DE10360489A1 (de) * 2002-12-27 2004-07-29 Fuji Photo Optical Co. Ltd. Autofokussystem

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705104A1 (de) * 1977-02-08 1978-08-10 Agfa Gevaert Ag Fotografische oder kinematografische kamera
JPS5548737A (en) * 1978-10-02 1980-04-08 Konishiroku Photo Ind Co Ltd Photoelectrically focus detecting device mounted camera
JPS55111921A (en) * 1979-02-14 1980-08-29 Asahi Optical Co Ltd Focus detector of camera
US4420773A (en) * 1980-06-30 1983-12-13 Nippon Kogaku K.K. Electronic photographic camera
US4414575A (en) * 1980-11-21 1983-11-08 Hitachi Denshi Kabushiki Kaisha Autofocus system
AU554186B2 (en) * 1981-10-26 1986-08-14 Sony Corporation Apparatus for detecting distance to an object
US4549801A (en) * 1983-03-21 1985-10-29 W. Haking Enterprises Limited Automatic focussing camera with automatic aperture setting

Also Published As

Publication number Publication date
CA1214262A (en) 1986-11-18
AU2840784A (en) 1984-11-29
DE3468804D1 (en) 1988-02-18
AU569742B2 (en) 1988-02-18
EP0127451A1 (de) 1984-12-05
JPS59216380A (ja) 1984-12-06
US4609944A (en) 1986-09-02
EP0127451B1 (de) 1988-01-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee