JP2000111970A - 絞り機構 - Google Patents

絞り機構

Info

Publication number
JP2000111970A
JP2000111970A JP10300343A JP30034398A JP2000111970A JP 2000111970 A JP2000111970 A JP 2000111970A JP 10300343 A JP10300343 A JP 10300343A JP 30034398 A JP30034398 A JP 30034398A JP 2000111970 A JP2000111970 A JP 2000111970A
Authority
JP
Japan
Prior art keywords
aperture
filter
blades
diaphragm
fixed
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
JP10300343A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000111970A5 (enExample
Inventor
Masahiko Tsuzuki
雅彦 都築
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 JP10300343A priority Critical patent/JP2000111970A/ja
Publication of JP2000111970A publication Critical patent/JP2000111970A/ja
Publication of JP2000111970A5 publication Critical patent/JP2000111970A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Diaphragms For Cameras (AREA)
JP10300343A 1998-10-08 1998-10-08 絞り機構 Pending JP2000111970A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10300343A JP2000111970A (ja) 1998-10-08 1998-10-08 絞り機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10300343A JP2000111970A (ja) 1998-10-08 1998-10-08 絞り機構

Publications (2)

Publication Number Publication Date
JP2000111970A true JP2000111970A (ja) 2000-04-21
JP2000111970A5 JP2000111970A5 (enExample) 2005-11-24

Family

ID=17883643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10300343A Pending JP2000111970A (ja) 1998-10-08 1998-10-08 絞り機構

Country Status (1)

Country Link
JP (1) JP2000111970A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006054400A1 (ja) * 2004-11-18 2006-05-26 Sony Corporation 撮像装置及び光量調節機構
WO2010126079A1 (ja) * 2009-04-30 2010-11-04 日本ビクター株式会社 光量制御装置、撮像装置及び光量制御方法
CN102662203A (zh) * 2012-05-14 2012-09-12 北京国科世纪激光技术有限公司 一种光阑
US8657510B2 (en) 2009-11-27 2014-02-25 JVC Kenwood Corporation Aperture stop mechanism which drives two aperture blades and adjusts an aperture area of light passage opening into which light for imaging is introduced

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006054400A1 (ja) * 2004-11-18 2006-05-26 Sony Corporation 撮像装置及び光量調節機構
WO2010126079A1 (ja) * 2009-04-30 2010-11-04 日本ビクター株式会社 光量制御装置、撮像装置及び光量制御方法
JP2010262031A (ja) * 2009-04-30 2010-11-18 Victor Co Of Japan Ltd 光量制御装置、撮像装置及び光量制御方法
US8934031B2 (en) 2009-04-30 2015-01-13 JVC Kenwood Corporation Light intensity control device, imaging device and light intensity control method
US8657510B2 (en) 2009-11-27 2014-02-25 JVC Kenwood Corporation Aperture stop mechanism which drives two aperture blades and adjusts an aperture area of light passage opening into which light for imaging is introduced
EP2506072A4 (en) * 2009-11-27 2016-03-16 Jvc Kenwood Corp OPENING MECHANISM
CN102662203A (zh) * 2012-05-14 2012-09-12 北京国科世纪激光技术有限公司 一种光阑

Similar Documents

Publication Publication Date Title
US8120865B2 (en) Image degradation prevention optical apparatus
CN102043305B (zh) 光圈单元以及包括该光圈单元的透镜镜筒
JP2003241078A (ja) 光学機器
JP2010204206A (ja) 光量調整装置、レンズ鏡筒、撮像装置、及び撮像装置の制御方法
JP2007114530A (ja) レンズ鏡筒
JP2005094417A (ja) 撮像装置
JP2000111970A (ja) 絞り機構
JP2007033903A (ja) レンズ鏡胴
JP2003344896A (ja) 光量調整装置
US7172349B2 (en) Light amount control device and optical apparatus with guard portion to protect ND filter from lever member
JP2000214514A (ja) Ｎｄフィルタ―駆動装置、光量調節装置および撮像装置
JP3550963B2 (ja) カメラの絞り機構
JP4194361B2 (ja) 光学機器
JP4590074B2 (ja) 光量調節装置、レンズ装置および撮像装置
JP4088170B2 (ja) 光量調節装置
JP3334151B2 (ja) 光量制御装置及びビデオカメラ装置
JP3671405B2 (ja) カメラ用絞り装置
JP6021475B2 (ja) 撮像装置
US8731393B2 (en) Optical apparatus including light amount adjusting apparatus
WO2020004158A1 (ja) 撮像装置
JP2007298788A (ja) 光量調節装置および光学機器
JP4074799B2 (ja) カメラ
JPH03132174A (ja) 撮影装置
JP4164153B2 (ja) 光量調節装置
JPH11295796A5 (enExample)

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20050217

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051005

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051005

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20071212

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071225

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080422