JP3893203B2 - 光学機器 - Google Patents

光学機器 Download PDF

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Publication number
JP3893203B2
JP3893203B2 JP32525397A JP32525397A JP3893203B2 JP 3893203 B2 JP3893203 B2 JP 3893203B2 JP 32525397 A JP32525397 A JP 32525397A JP 32525397 A JP32525397 A JP 32525397A JP 3893203 B2 JP3893203 B2 JP 3893203B2
Authority
JP
Japan
Prior art keywords
lens group
temperature
humidity
focus
lens
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
JP32525397A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11142714A5 (enExample
JPH11142714A (ja
Inventor
盛也 太田
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 JP32525397A priority Critical patent/JP3893203B2/ja
Priority to US09/185,951 priority patent/US6023589A/en
Publication of JPH11142714A publication Critical patent/JPH11142714A/ja
Publication of JPH11142714A5 publication Critical patent/JPH11142714A5/ja
Application granted granted Critical
Publication of JP3893203B2 publication Critical patent/JP3893203B2/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)
  • Automatic Focus Adjustment (AREA)
JP32525397A 1997-11-11 1997-11-11 光学機器 Expired - Fee Related JP3893203B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP32525397A JP3893203B2 (ja) 1997-11-11 1997-11-11 光学機器
US09/185,951 US6023589A (en) 1997-11-11 1998-11-04 Optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32525397A JP3893203B2 (ja) 1997-11-11 1997-11-11 光学機器

Publications (3)

Publication Number Publication Date
JPH11142714A JPH11142714A (ja) 1999-05-28
JPH11142714A5 JPH11142714A5 (enExample) 2005-06-23
JP3893203B2 true JP3893203B2 (ja) 2007-03-14

Family

ID=18174754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32525397A Expired - Fee Related JP3893203B2 (ja) 1997-11-11 1997-11-11 光学機器

Country Status (2)

Country Link
US (1) US6023589A (enExample)
JP (1) JP3893203B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106568577A (zh) * 2016-10-18 2017-04-19 中国航空工业集团公司洛阳电光设备研究所 一种光学无热化设计检测系统及检测方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005091808A (ja) 2003-09-18 2005-04-07 Fuji Photo Film Co Ltd オートフォーカス装置
JP5089372B2 (ja) * 2007-12-28 2012-12-05 キヤノン株式会社 撮像装置及びその制御方法
JP5288913B2 (ja) * 2008-07-04 2013-09-11 キヤノン株式会社 光学機器
JP5335445B2 (ja) * 2009-01-06 2013-11-06 キヤノン株式会社 レンズ制御装置、光学機器およびレンズ制御方法
JP2011248181A (ja) 2010-05-28 2011-12-08 Hitachi Ltd 撮像装置
JP5845665B2 (ja) * 2011-03-31 2016-01-20 株式会社ニコン レンズ鏡筒およびカメラシステム
CN103038689B (zh) * 2011-05-16 2016-01-20 松下电器产业株式会社 透镜单元以及摄像装置
CN103389559B (zh) * 2013-08-01 2015-12-02 山东神戎电子股份有限公司 基于温度变化补偿的红外镜头及补偿方法
JP2017173480A (ja) * 2016-03-23 2017-09-28 株式会社 日立産業制御ソリューションズ フォーカス制御装置、撮像装置及びフォーカス制御方法
US20180149826A1 (en) * 2016-11-28 2018-05-31 Microsoft Technology Licensing, Llc Temperature-adjusted focus for cameras
JP6866204B2 (ja) * 2017-02-02 2021-04-28 キヤノン株式会社 フォーカス制御装置、撮像装置、温度補正設定装置およびフォーカス制御方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5985129A (en) * 1989-12-14 1999-11-16 The Regents Of The University Of California Method for increasing the service life of an implantable sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106568577A (zh) * 2016-10-18 2017-04-19 中国航空工业集团公司洛阳电光设备研究所 一种光学无热化设计检测系统及检测方法

Also Published As

Publication number Publication date
US6023589A (en) 2000-02-08
JPH11142714A (ja) 1999-05-28

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