JP2004325801A - 光学システム - Google Patents

光学システム Download PDF

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Publication number
JP2004325801A
JP2004325801A JP2003120457A JP2003120457A JP2004325801A JP 2004325801 A JP2004325801 A JP 2004325801A JP 2003120457 A JP2003120457 A JP 2003120457A JP 2003120457 A JP2003120457 A JP 2003120457A JP 2004325801 A JP2004325801 A JP 2004325801A
Authority
JP
Japan
Prior art keywords
control
switching
signal
circuit
command signal
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
JP2003120457A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004325801A5 (enExample
Inventor
Kazumasa Yoshikawa
吉川　　一勝
Isao Tanaka
伊砂雄 田中
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2003120457A priority Critical patent/JP2004325801A/ja
Priority to US10/827,849 priority patent/US7280148B2/en
Priority to EP20040252301 priority patent/EP1471732A1/en
Publication of JP2004325801A publication Critical patent/JP2004325801A/ja
Publication of JP2004325801A5 publication Critical patent/JP2004325801A5/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
    • 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
    • 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
    • H04N23/665—Control of cameras or camera modules involving internal camera communication with the image sensor, e.g. synchronising or multiplexing SSIS control signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
JP2003120457A 2003-04-24 2003-04-24 光学システム Pending JP2004325801A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003120457A JP2004325801A (ja) 2003-04-24 2003-04-24 光学システム
US10/827,849 US7280148B2 (en) 2003-04-24 2004-04-20 Optical control system
EP20040252301 EP1471732A1 (en) 2003-04-24 2004-04-20 Control system for switching between manual focussing and automatic focussing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003120457A JP2004325801A (ja) 2003-04-24 2003-04-24 光学システム

Publications (2)

Publication Number Publication Date
JP2004325801A true JP2004325801A (ja) 2004-11-18
JP2004325801A5 JP2004325801A5 (enExample) 2005-10-13

Family

ID=32959674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003120457A Pending JP2004325801A (ja) 2003-04-24 2003-04-24 光学システム

Country Status (3)

Country Link
US (1) US7280148B2 (enExample)
EP (1) EP1471732A1 (enExample)
JP (1) JP2004325801A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103209294A (zh) * 2012-01-13 2013-07-17 佳能株式会社 摄像设备、镜头单元及其控制方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4562538B2 (ja) 2005-01-31 2010-10-13 モレックス インコーポレイテド モジュール用ソケット
US8436935B2 (en) * 2007-08-29 2013-05-07 Panasonic Corporation Image picking-up device with a moving focusing lens

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1979885U (de) 1967-10-07 1968-02-29 Leitz Ernst Gmbh Fokussiervorrichtung fuer projektoren.
DE3025776A1 (de) 1980-07-08 1982-02-04 Zeiss Ikon Ag, 7000 Stuttgart Diaprojektor
US4556907A (en) * 1983-04-15 1985-12-03 Asahi Kogaku Kogyo Kabushiki Kaisha Video camera operating device
US5408332A (en) 1988-03-18 1995-04-18 Hitachi, Ltd. Focusing apparatus for video camera or the like
KR900002627A (ko) * 1988-07-30 1990-02-28 최근선 오토 포커스회로의 자동/수동 전환 스위치회로
JPH0965184A (ja) 1995-08-29 1997-03-07 Canon Inc レンズユニット及びカメラユニット及びカメラシステム
JPH1010405A (ja) * 1996-06-19 1998-01-16 Canon Inc レンズ装置及び撮像装置
JPH1164713A (ja) * 1997-08-26 1999-03-05 Yamano Kogaku:Kk 着脱式レンズブロック及びこれを用いたビデオカメラシステム
EP1463304B1 (en) * 2003-03-25 2007-05-09 Canon Kabushiki Kaisha Relay unit for the remote control of a focus lens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103209294A (zh) * 2012-01-13 2013-07-17 佳能株式会社 摄像设备、镜头单元及其控制方法
US9160901B2 (en) 2012-01-13 2015-10-13 Canon Kabushiki Kaisha Image pickup apparatus, lens unit, and methods of controlling the same
CN103209294B (zh) * 2012-01-13 2016-04-27 佳能株式会社 摄像设备、镜头单元及其控制方法

Also Published As

Publication number Publication date
US7280148B2 (en) 2007-10-09
US20040212722A1 (en) 2004-10-28
EP1471732A1 (en) 2004-10-27

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