JPH0258208U - - Google Patents
Info
- Publication number
- JPH0258208U JPH0258208U JP13549188U JP13549188U JPH0258208U JP H0258208 U JPH0258208 U JP H0258208U JP 13549188 U JP13549188 U JP 13549188U JP 13549188 U JP13549188 U JP 13549188U JP H0258208 U JPH0258208 U JP H0258208U
- Authority
- JP
- Japan
- Prior art keywords
- lens system
- barrel
- holding member
- zoom lens
- circuit board
- 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
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Description
第１図は本考案に係る一実施例のズームレンズ
鏡筒の縦断面図、第２図は本考案の他の実施例の
ズームレンズ鏡筒の縦断面図、第３図はその要部
の分解斜視図、第４図は従来例のズームレンズ鏡
筒の縦断面図である。
Ｌ１……合焦用レンズ系、Ｌ２……変倍用レン
ズ系、２１……固定筒、２２……マウント筒、２
３……カム筒、２４……第１移動筒、２５……第
２移動筒、２６……合焦筒、２７……カバー部材
、２８……ズーム環、２９，２９′……フレキシ
ブルプリント基板、３０……素子、３１……保持
部材、３１′……円筒状保持部材、３１′ａ……
円弧部。
補／平１．１２．１８
◎請
FIG. 1 is a vertical cross-sectional view of a zoom lens barrel according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of a zoom lens barrel according to another embodiment of the present invention, and FIG. 3 is a diagram showing the main parts thereof. FIG. 4 is an exploded perspective view and a vertical sectional view of a conventional zoom lens barrel. L1 ... Focusing lens system, L2 ... Lens system for variable power, 21... Fixed barrel, 22... Mounting barrel, 2
3...Cam barrel, 24...First moving barrel, 25...Second moving barrel, 26...Focusing barrel, 27...Cover member, 28...Zoom ring, 29, 29'...Flexible printed circuit board , 30... Element, 31... Holding member, 31'... Cylindrical holding member, 31'a...
Arc part. Supplementary/Heisei 1.12.18 ◎Request
【請】１ 変倍用レンズ系と合焦用レンズ系から
なり、カメラ本体と係合するマウント部近傍に位
置するレンズ系の外径が被写体側に位置する他方
のレンズ系の径より小さいようなズームレンズ鏡
筒において、該両レンズ系を光軸方向に移動可能
に保持する固定筒と、該マウント部近傍のレンズ
系を保持する移動筒との間に生じる空間にプリン
ト基板及び電気的素子を実装したことを特徴とす
るズームレンズ鏡筒。
２ 該プリント基板が円筒状の保持部材で固定さ
れていることを特徴とする請求項１記載のズーム
レンズ鏡筒。
３ 該プリント基板が該保持部材の外周部を一周
しかつ電気的に接続されていることを特徴とする
請求項２記載のズームレンズ鏡筒。[Required] 1. Consists of a variable power lens system and a focusing lens system, so that the outer diameter of the lens system located near the mount that engages with the camera body is smaller than the diameter of the other lens system located on the subject side. In a zoom lens barrel, a printed circuit board and electrical elements are installed in the space created between a fixed barrel that holds both lens systems movably in the optical axis direction and a movable barrel that holds the lens system near the mount. A zoom lens barrel characterized by implementing the following. 2. The zoom lens barrel according to claim 1, wherein the printed circuit board is fixed by a cylindrical holding member. 3. The zoom lens barrel according to claim 2, wherein the printed circuit board goes around the outer periphery of the holding member and is electrically connected to the holding member.
Claims (1)
カメラ本体と係合するマウント部近傍に位置する
レンズ系の外径が被写体側に位置する他方のレン
ズ系の径より小さいようなズームレンズ鏡筒にお
いて、該レンズ系を光軸方向に移動可能に保持す
る固定筒と、該マウント部近傍のレンズ系を保持
する移動筒との間に生じる空間にプリント基板及
び電気的素子を実装したことを特徴とするズーム
レンズ鏡筒。 ２ 該プリント基板が円筒状の保持部材で固定さ
れていることを特徴とする請求項１記載のズーム
レンズ鏡筒。 ３ 該プリント基板が該保持部材の外周部を一周
しかつ電気的に接続されていることを特徴とする
請求項２記載のズームレンズ鏡筒。[Scope of claim for utility model registration] 1 Consists of a variable power lens system and a focusing lens system,
In a zoom lens barrel where the outer diameter of the lens system located near the mount that engages with the camera body is smaller than the diameter of the other lens system located on the subject side, this lens system can be moved in the optical axis direction. A zoom lens barrel characterized in that a printed circuit board and electrical elements are mounted in a space created between a fixed barrel that holds a lens system and a movable barrel that holds a lens system near the mount portion. 2. The zoom lens barrel according to claim 1, wherein the printed circuit board is fixed by a cylindrical holding member. 3. The zoom lens barrel according to claim 2, wherein the printed circuit board goes around the outer periphery of the holding member and is electrically connected to the holding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988135491U JP2542002Y2 (en) | 1988-10-19 | 1988-10-19 | Zoom lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988135491U JP2542002Y2 (en) | 1988-10-19 | 1988-10-19 | Zoom lens barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0258208U true JPH0258208U (en) | 1990-04-26 |
| JP2542002Y2 JP2542002Y2 (en) | 1997-07-23 |
Family
ID=31395165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988135491U Expired - Lifetime JP2542002Y2 (en) | 1988-10-19 | 1988-10-19 | Zoom lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2542002Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63106190U (en) * | 1986-12-27 | 1988-07-08 | ||
| JPH0241213U (en) * | 1988-09-13 | 1990-03-22 | ||
| JPH0251305U (en) * | 1988-10-04 | 1990-04-11 | ||
| JP3106186U (en) * | 2004-06-25 | 2004-12-16 | 鴻麟 許 | Bra strap |
-
1988
- 1988-10-19 JP JP1988135491U patent/JP2542002Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63106190U (en) * | 1986-12-27 | 1988-07-08 | ||
| JPH0241213U (en) * | 1988-09-13 | 1990-03-22 | ||
| JPH0251305U (en) * | 1988-10-04 | 1990-04-11 | ||
| JP3106186U (en) * | 2004-06-25 | 2004-12-16 | 鴻麟 許 | Bra strap |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2542002Y2 (en) | 1997-07-23 |
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