JPH0472210U - - Google Patents
Info
- Publication number
- JPH0472210U JPH0472210U JP11476290U JP11476290U JPH0472210U JP H0472210 U JPH0472210 U JP H0472210U JP 11476290 U JP11476290 U JP 11476290U JP 11476290 U JP11476290 U JP 11476290U JP H0472210 U JPH0472210 U JP H0472210U
- Authority
- JP
- Japan
- Prior art keywords
- barrel
- fixed
- lens
- tube
- encoder
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案によるレンズ鏡筒の部分断面図
、第２図は本考案によるレンズ鏡筒の全体図、第
３図は従来のレンズ鏡筒の部分断面図、第４図は
本考案によるレンズ鏡筒の光軸方向後方から見た
断面図。第５図は従来のレンズ鏡筒を光軸方向後
方から見た断面図である。
主要部分の符号の説明、１……固定鏡筒、２…
…回転筒、４……合焦レンズ群、６……ブラシ、
７……撮影距離検出用フレキシブルプリント基板
、８……レンズ駆動制御等用フレキシブルプリン
ト基板、９……レンズ駆動制御等用フレキシブル
プリント基板、１０……ブラシ用台座、１１……
絞りユニツト、１２……固定レンズ群、１３……
後部固定鏡筒、１４……電気部品、１５……ビス
。
Fig. 1 is a partial sectional view of a lens barrel according to the present invention, Fig. 2 is an overall view of a lens barrel according to the present invention, Fig. 3 is a partial sectional view of a conventional lens barrel, and Fig. 4 is a partial sectional view of a lens barrel according to the present invention. A cross-sectional view of the lens barrel viewed from the rear in the optical axis direction. FIG. 5 is a sectional view of a conventional lens barrel viewed from the rear in the optical axis direction. Explanation of symbols of main parts, 1...Fixed lens barrel, 2...
...Rotating barrel, 4...Focusing lens group, 6...Brush,
7...Flexible printed circuit board for photographing distance detection, 8...Flexible printed circuit board for lens drive control, etc., 9...Flexible printed circuit board for lens drive control, etc., 10...Brush pedestal, 11...
Aperture unit, 12...Fixed lens group, 13...
Rear fixed lens barrel, 14...electrical parts, 15...screws.
Claims (1)
置され、該回動により該合焦レンズを一体的に光
軸方向に移動させる回転筒と、 該回転筒を回転駆動する駆動手段と、 該合焦レンズの光軸上の位置を検出するために
該固定筒の外周部に設置されたエンコーダパター
ン、及び該固定筒の外周側に設置されている該回
転筒の外径部分の後方延在部の内周面に設置され
たエンコーダブラシから構成されるエンコーダと
、 該駆動手段の制御を含む制御を行うために該固
定筒に設置されたフレキシブルプリント基板とを
有するレンズ鏡筒において、 該固定筒の該フレキシブルプリント基板を設置
する部分が、該エンコーダブラシを設置する該回
転筒の外径部分の後方延在部の外周側の空間に筒
状に延在する形状を有することを特徴とするレン
ズ鏡筒。 (2) ズーミングレンズを以て合焦レンズに代え
た請求項(1)のレンズ鏡筒。 (3) 該エンコーダブラシを設置する該回転筒の
外周側に張り出した部分の外周側の空間に位置す
る該固定筒の該フレキシブルプリント基板を設置
する部分の形状が少なくとも一つの平面部を有す
る形状をなすことを特徴とするレンズ鏡筒。[Claims for Utility Model Registration] (1) A fixed barrel, a focusing lens, and a fixed barrel that is rotatably installed around an optical axis on the outer circumferential side of the fixed barrel, and the focusing lens is integrally mounted by the rotation. a rotating barrel for moving in the optical axis direction; a driving means for rotationally driving the rotating barrel; an encoder pattern installed on the outer periphery of the fixed barrel for detecting the position of the focusing lens on the optical axis; and an encoder constituted by an encoder brush installed on the inner circumferential surface of the rear extending portion of the outer diameter portion of the rotary tube installed on the outer circumferential side of the fixed tube; and a control including control of the driving means. In a lens barrel having a flexible printed circuit board installed on the fixed tube for the purpose of carrying out the operation, the portion of the fixed tube where the flexible printed circuit board is installed is behind the outer diameter portion of the rotary tube where the encoder brush is installed. A lens barrel characterized in that the lens barrel has a shape that extends in a cylindrical shape in a space on the outer peripheral side of an extension portion. (2) The lens barrel according to claim (1), wherein the focusing lens is replaced by a zooming lens. (3) The portion of the fixed tube where the flexible printed circuit board is installed is located in the space on the outer periphery side of the portion of the rotating tube where the encoder brush is installed, and is located in the space on the outer periphery side of the portion that protrudes from the outer periphery of the rotary tube where the encoder brush is installed, and the shape has at least one flat surface. A lens barrel characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11476290U JPH0472210U (en) | 1990-11-02 | 1990-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11476290U JPH0472210U (en) | 1990-11-02 | 1990-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472210U true JPH0472210U (en) | 1992-06-25 |
Family
ID=31862477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11476290U Pending JPH0472210U (en) | 1990-11-02 | 1990-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472210U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201613A (en) * | 1987-02-18 | 1988-08-19 | Olympus Optical Co Ltd | Lens with built-in electric equipment |
| JPH02201305A (en) * | 1989-01-30 | 1990-08-09 | Minolta Camera Co Ltd | Wiring structure in lens barrel for optical lens |
-
1990
- 1990-11-02 JP JP11476290U patent/JPH0472210U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201613A (en) * | 1987-02-18 | 1988-08-19 | Olympus Optical Co Ltd | Lens with built-in electric equipment |
| JPH02201305A (en) * | 1989-01-30 | 1990-08-09 | Minolta Camera Co Ltd | Wiring structure in lens barrel for optical lens |
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