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
Links
- 238000010586 diagram Methods 0.000 description 1
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
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。
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)
- 【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。
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)
| 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)
| 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 |
| US8283832B2 (en) * | 2004-10-25 | 2012-10-09 | Novatorque, Inc. | Sculpted field pole members and methods of forming the same for electrodynamic machines |
| US9093874B2 (en) | 2004-10-25 | 2015-07-28 | 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 |
| 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 |
| US7982350B2 (en) | 2004-10-25 | 2011-07-19 | Novatorque, Inc. | Conical magnets and rotor-stator structures 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 |
| 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 |
| WO2017029843A1 (ja) * | 2015-08-19 | 2017-02-23 | 富士フイルム株式会社 | 撮像装置 |
| 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)
| 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 |
-
1986
- 1986-05-21 JP JP1986076740U patent/JPS62188744U/ja active Pending
-
1987
- 1987-05-19 US US07/051,327 patent/US4731626A/en not_active Expired - Lifetime
Cited By (1)
| 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 |