JP2006220898A - レンズ鏡胴 - Google Patents
レンズ鏡胴 Download PDFInfo
- Publication number
- JP2006220898A JP2006220898A JP2005034001A JP2005034001A JP2006220898A JP 2006220898 A JP2006220898 A JP 2006220898A JP 2005034001 A JP2005034001 A JP 2005034001A JP 2005034001 A JP2005034001 A JP 2005034001A JP 2006220898 A JP2006220898 A JP 2006220898A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- cam groove
- groove
- barrel
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 36
- 230000003287 optical effect Effects 0.000 claims description 24
- 230000004888 barrier function Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 1
Images
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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
【解決手段】 固定胴の内周面に、撮影領域の少なくとも一部で使用する第1のカム溝と、撮影不可領域の少なくとも一部で使用する第2のカム溝とが形成され、カム筒の外周面には第1のカム溝に係合する第1のカムピンと、第2のカム溝に係合する第2のカムピンが形成されているレンズ鏡胴とする。
【選択図】 図2
Description
2 第2レンズ群
3 第3レンズ群
4 第4レンズ群
5 光学フィルタ
6 撮像素子
7 レンズバリア
8 地板
11 第1レンズ群鏡枠
12 第2レンズ群鏡枠
13 第3レンズ群鏡枠
14 第4レンズ群鏡枠
15 ステッピングモータ
16 絞りシャッタユニット
21 前筒
22 カム筒
23 固定胴
31 直進ガイド
41 カム筒駆動ギア
100 レンズ鏡胴
Claims (3)
- 内周面にカム溝の形成された固定胴と、外周面に前記固定胴のカム溝に係合するカムピンと内周面にカム溝を備えて前記固定胴に対し回動かつ光軸方向移動可能に支持されたカム筒と、前記カム筒のカム溝に係合するカムピンを有するレンズ保持部材とを有し、撮影領域での変倍と撮影不可領域への沈胴を行うレンズ鏡胴において、
前記固定胴の内周面に、前記撮影領域の少なくとも一部で使用する第1のカム溝と、前記撮影不可領域の少なくとも一部で使用する第2のカム溝とが形成され、前記カム筒の外周面には前記第1のカム溝に係合する第1のカムピンと、前記第2のカム溝に係合する第2のカムピンが形成されていることを特徴とするレンズ鏡胴。 - 前記第1のカム溝と前記第1のカムピンが係合する第1の領域と、前記第2のカム溝と前記第2のカムピンが係合する第2の領域と、前記第1の領域と前記第2の領域が重複した第3の領域を有することを特徴とする請求項1に記載のレンズ鏡胴。
- 前記第3の領域は前記撮影不可領域に形成されていることを特徴とする請求項2に記載のレンズ鏡胴。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005034001A JP4793674B2 (ja) | 2005-02-10 | 2005-02-10 | レンズ鏡胴 |
US11/342,500 US7324291B2 (en) | 2005-02-10 | 2006-01-30 | Retractable type lens barrel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005034001A JP4793674B2 (ja) | 2005-02-10 | 2005-02-10 | レンズ鏡胴 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006220898A true JP2006220898A (ja) | 2006-08-24 |
JP4793674B2 JP4793674B2 (ja) | 2011-10-12 |
Family
ID=36779651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005034001A Expired - Fee Related JP4793674B2 (ja) | 2005-02-10 | 2005-02-10 | レンズ鏡胴 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7324291B2 (ja) |
JP (1) | JP4793674B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008122480A (ja) * | 2006-11-08 | 2008-05-29 | Olympus Imaging Corp | レンズ鏡枠 |
JP2009162860A (ja) * | 2007-12-28 | 2009-07-23 | Nidec Copal Corp | レンズ鏡筒 |
JP2012063755A (ja) * | 2010-08-18 | 2012-03-29 | Canon Inc | レンズ鏡筒 |
US8456753B2 (en) | 2009-08-17 | 2013-06-04 | Canon Kabushiki Kaisha | Zoom lens barrel and image pickup apparatus having the same |
JP2014164247A (ja) * | 2013-02-27 | 2014-09-08 | Nikon Corp | レンズ鏡筒および撮像装置 |
JP2019204131A (ja) * | 2019-09-04 | 2019-11-28 | 株式会社ニコン | レンズ鏡筒および撮像装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4732044B2 (ja) * | 2005-07-19 | 2011-07-27 | キヤノン株式会社 | 鏡筒及び撮像装置 |
JP4789659B2 (ja) * | 2006-03-14 | 2011-10-12 | 富士フイルム株式会社 | レンズ鏡筒及びカメラ |
US8249284B2 (en) * | 2006-05-16 | 2012-08-21 | Phonak Ag | Hearing system and method for deriving information on an acoustic scene |
TWI471628B (zh) * | 2011-12-07 | 2015-02-01 | Ability Entpr Co Ltd | 鏡頭機構 |
TWI471629B (zh) * | 2011-12-07 | 2015-02-01 | Ability Entpr Co Ltd | 鏡頭機構 |
CN103163621B (zh) * | 2011-12-16 | 2015-07-15 | 佳能企业股份有限公司 | 镜头机构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001100082A (ja) * | 1999-09-30 | 2001-04-13 | Fuji Photo Film Co Ltd | レンズ移動装置 |
JP2003043336A (ja) * | 2001-08-01 | 2003-02-13 | Minolta Co Ltd | ズームレンズ鏡胴 |
JP2003084185A (ja) * | 2001-09-07 | 2003-03-19 | Olympus Optical Co Ltd | ズームレンズ鏡筒 |
JP2004258642A (ja) * | 2003-02-04 | 2004-09-16 | Pentax Corp | レンズ鏡筒のカム機構 |
JP2004362519A (ja) * | 2003-06-02 | 2004-12-24 | Sanee Denki Kk | タッチパネルのキャリブレーション方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0652333B2 (ja) * | 1983-08-19 | 1994-07-06 | ミノルタカメラ株式会社 | ズ−ムレンズ鏡胴 |
US5172276A (en) * | 1989-08-29 | 1992-12-15 | Minolta Camera Kabushiki Kaisha | Structure for stabilizing image in optical system |
US5576894A (en) * | 1993-10-21 | 1996-11-19 | Minolta Co., Ltd. | Zoom lens barrel based on the vari-focal optical system |
-
2005
- 2005-02-10 JP JP2005034001A patent/JP4793674B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-30 US US11/342,500 patent/US7324291B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001100082A (ja) * | 1999-09-30 | 2001-04-13 | Fuji Photo Film Co Ltd | レンズ移動装置 |
JP2003043336A (ja) * | 2001-08-01 | 2003-02-13 | Minolta Co Ltd | ズームレンズ鏡胴 |
JP2003084185A (ja) * | 2001-09-07 | 2003-03-19 | Olympus Optical Co Ltd | ズームレンズ鏡筒 |
JP2004258642A (ja) * | 2003-02-04 | 2004-09-16 | Pentax Corp | レンズ鏡筒のカム機構 |
JP2004362519A (ja) * | 2003-06-02 | 2004-12-24 | Sanee Denki Kk | タッチパネルのキャリブレーション方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008122480A (ja) * | 2006-11-08 | 2008-05-29 | Olympus Imaging Corp | レンズ鏡枠 |
JP2009162860A (ja) * | 2007-12-28 | 2009-07-23 | Nidec Copal Corp | レンズ鏡筒 |
US8456753B2 (en) | 2009-08-17 | 2013-06-04 | Canon Kabushiki Kaisha | Zoom lens barrel and image pickup apparatus having the same |
JP2012063755A (ja) * | 2010-08-18 | 2012-03-29 | Canon Inc | レンズ鏡筒 |
JP2014164247A (ja) * | 2013-02-27 | 2014-09-08 | Nikon Corp | レンズ鏡筒および撮像装置 |
JP2019204131A (ja) * | 2019-09-04 | 2019-11-28 | 株式会社ニコン | レンズ鏡筒および撮像装置 |
Also Published As
Publication number | Publication date |
---|---|
US7324291B2 (en) | 2008-01-29 |
JP4793674B2 (ja) | 2011-10-12 |
US20060176587A1 (en) | 2006-08-10 |
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