JPS62188744U - - Google Patents

Info

Publication number
JPS62188744U
JPS62188744U JP1986076740U JP7674086U JPS62188744U JP S62188744 U JPS62188744 U JP S62188744U JP 1986076740 U JP1986076740 U JP 1986076740U JP 7674086 U JP7674086 U JP 7674086U JP S62188744 U JPS62188744 U JP S62188744U
Authority
JP
Japan
Prior art keywords
aperture
cam
aperture blades
closing
blades
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
JP1986076740U
Other languages
English (en)
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 filed Critical
Priority to JP1986076740U priority Critical patent/JPS62188744U/ja
Priority to US07/051,327 priority patent/US4731626A/en
Publication of JPS62188744U publication Critical patent/JPS62188744U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)

Description

【図面の簡単な説明】
第１図は本考案の絞り装置ユニツトの分解斜視
図、第２図は同じく絞り装置ユニツトの断面図、
第３図ａは絞り装置の開放状態の平面図、第３図
ｂは同じく小絞り状態の平面図、第３図ｃ，ｄは
小絞り状態における絞り口径補正状態を示す図で
ある。 ７……絞り羽根、１５……絞り羽根作動環、１
５ｂ……絞りカム溝、２１……絞り調整板。

Claims (1)

  1. 【実用新案登録請求の範囲】 絞り口径を形成する複数の絞り羽根と、 前記各絞り羽根を開閉するカム部を設けたカム
    リングと、前記絞り羽根の開閉を制御する独立の
    カム部を設けたカム部材を有し、 前記カム部材を前記カムリングに支点を中心に揺
    動できるように重ね合わせてカム部材の前記カム
    に依つて少なくとも１枚の絞り羽根の作動位置を
    他の絞り羽根と異ならせたことを特徴とする絞り
    装置。
JP1986076740U 1986-05-21 1986-05-21 Pending JPS62188744U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986076740U JPS62188744U (ja) 1986-05-21 1986-05-21
US07/051,327 US4731626A (en) 1986-05-21 1987-05-19 Diaphragm device for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986076740U JPS62188744U (ja) 1986-05-21 1986-05-21

Publications (1)

Publication Number Publication Date
JPS62188744U true JPS62188744U (ja) 1987-12-01

Family

ID=13613996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986076740U Pending JPS62188744U (ja) 1986-05-21 1986-05-21

Country Status (2)

Country Link
US (1) US4731626A (ja)
JP (1) JPS62188744U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012211977A (ja) * 2011-03-31 2012-11-01 Nisca Corp 光量調整装置及びこれを備えた光学機器

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03228039A (ja) * 1989-11-16 1991-10-09 Fuji Photo Film Co Ltd 絞りの電磁駆動装置
CA2058396C (en) * 1990-12-25 1995-05-30 Osamu Sato Light-quantity control device
US7884522B1 (en) 2004-10-25 2011-02-08 Novatorque, Inc. Stator and rotor-stator structures for electrodynamic machines
US8471425B2 (en) 2011-03-09 2013-06-25 Novatorque, Inc. Rotor-stator structures including boost magnet structures for magnetic regions having angled confronting surfaces in rotor assemblies
US9093874B2 (en) 2004-10-25 2015-07-28 Novatorque, Inc. Sculpted field pole members and methods of forming the same for electrodynamic machines
US7061152B2 (en) * 2004-10-25 2006-06-13 Novatorque, Inc. Rotor-stator structure for electrodynamic machines
US8543365B1 (en) 2004-10-25 2013-09-24 Novatorque, Inc. Computer-readable medium, a method and an apparatus for designing and simulating electrodynamic machines implementing conical and cylindrical magnets
US7982350B2 (en) 2004-10-25 2011-07-19 Novatorque, Inc. Conical magnets and rotor-stator structures for electrodynamic machines
US8283832B2 (en) * 2004-10-25 2012-10-09 Novatorque, Inc. Sculpted field pole members and methods of forming the same for electrodynamic machines
US7294948B2 (en) * 2004-10-25 2007-11-13 Novatorque, Inc. Rotor-stator structure for electrodynamic machines
US8330316B2 (en) 2011-03-09 2012-12-11 Novatorque, Inc. Rotor-stator structures including boost magnet structures for magnetic regions in rotor assemblies disposed external to boundaries of conically-shaped spaces
JP5490735B2 (ja) * 2011-01-07 2014-05-14 セイコープレシジョン株式会社 絞り装置及び光学機器
CN107924107B (zh) * 2015-08-19 2020-09-18 富士胶片株式会社 摄像装置
WO2017029846A1 (ja) * 2015-08-19 2017-02-23 富士フイルム株式会社 レンズ装置
TWI804212B (zh) 2022-02-25 2023-06-01 大立光電股份有限公司 可控光圈、微型相機模組與電子裝置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470679A (en) * 1983-02-03 1984-09-11 Franz Starp Central shutter for cameras, especially professional cameras
JPS61112U (ja) * 1984-06-05 1986-01-06 キヤノン株式会社 レンズ鏡筒のモ−タ防振構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012211977A (ja) * 2011-03-31 2012-11-01 Nisca Corp 光量調整装置及びこれを備えた光学機器

Also Published As

Publication number Publication date
US4731626A (en) 1988-03-15

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