JP3754889B2 - ズームレンズ - Google Patents

ズームレンズ Download PDF

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Publication number
JP3754889B2
JP3754889B2 JP2000353336A JP2000353336A JP3754889B2 JP 3754889 B2 JP3754889 B2 JP 3754889B2 JP 2000353336 A JP2000353336 A JP 2000353336A JP 2000353336 A JP2000353336 A JP 2000353336A JP 3754889 B2 JP3754889 B2 JP 3754889B2
Authority
JP
Japan
Prior art keywords
side member
drive
electromagnetic clutch
input
contact surface
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.)
Expired - Fee Related
Application number
JP2000353336A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002155968A5 (enExample
JP2002155968A (ja
Inventor
彰 横山
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 JP2000353336A priority Critical patent/JP3754889B2/ja
Priority to US09/988,259 priority patent/US6822809B2/en
Publication of JP2002155968A publication Critical patent/JP2002155968A/ja
Publication of JP2002155968A5 publication Critical patent/JP2002155968A5/ja
Application granted granted Critical
Publication of JP3754889B2 publication Critical patent/JP3754889B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
JP2000353336A 2000-11-20 2000-11-20 ズームレンズ Expired - Fee Related JP3754889B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000353336A JP3754889B2 (ja) 2000-11-20 2000-11-20 ズームレンズ
US09/988,259 US6822809B2 (en) 2000-11-20 2001-11-19 Drive transmission device and optical apparatus using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000353336A JP3754889B2 (ja) 2000-11-20 2000-11-20 ズームレンズ

Publications (3)

Publication Number Publication Date
JP2002155968A JP2002155968A (ja) 2002-05-31
JP2002155968A5 JP2002155968A5 (enExample) 2005-06-09
JP3754889B2 true JP3754889B2 (ja) 2006-03-15

Family

ID=18826113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000353336A Expired - Fee Related JP3754889B2 (ja) 2000-11-20 2000-11-20 ズームレンズ

Country Status (2)

Country Link
US (1) US6822809B2 (enExample)
JP (1) JP3754889B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007189824A (ja) * 2006-01-12 2007-07-26 Nisca Corp マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器
JP5822648B2 (ja) * 2011-10-24 2015-11-24 キヤノン株式会社 レンズ装置
JP2015128367A (ja) * 2013-11-27 2015-07-09 キヤノン株式会社 振動型アクチュエータの駆動装置、フォーカスレンズ駆動装置、及び撮像装置
JP6758847B2 (ja) * 2016-02-17 2020-09-23 キヤノン株式会社 駆動装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62189448A (ja) * 1986-02-15 1987-08-19 Fuji Photo Film Co Ltd マイクロフイルム検索機
EP0348700B1 (de) * 1988-06-09 1994-01-12 Hohe Kg Aussenspiegel für ein Kraftfahrzeug mit Rückwärtsgang
US5335115A (en) 1989-02-23 1994-08-02 Canon Kabushiki Kaisha Lens barrel
JPH09138335A (ja) 1995-11-13 1997-05-27 Canon Inc 光学装置
US5872661A (en) * 1996-02-28 1999-02-16 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing apparatus for a telephotographic system
US6025964A (en) 1997-05-16 2000-02-15 Canon Kabushiki Kaisha Optical apparatus
JP4478241B2 (ja) * 1998-10-09 2010-06-09 キヤノン株式会社 撮影装置
EP1193519B1 (en) * 2000-09-29 2008-12-03 Fujinon Corporation Autofocus lens apparatus

Also Published As

Publication number Publication date
US6822809B2 (en) 2004-11-23
US20020060856A1 (en) 2002-05-23
JP2002155968A (ja) 2002-05-31

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