JPH0244729U - - Google Patents
Info
- Publication number
- JPH0244729U JPH0244729U JP12370788U JP12370788U JPH0244729U JP H0244729 U JPH0244729 U JP H0244729U JP 12370788 U JP12370788 U JP 12370788U JP 12370788 U JP12370788 U JP 12370788U JP H0244729 U JPH0244729 U JP H0244729U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- cover plate
- projection
- cover
- projector
- 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
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Blocking Light For Cameras (AREA)
Description
第１図は素通し部と補助レンズ部を有する本考
案のレンズカバーを備えたプロジエクタのレンズ
カバー素通し部を投写レンズの前に位置させた状
態の斜視図、第２図は第１図の実施例における光
学系の平面図、第３図はレンズカバーを移動させ
て補助レンズを投写レンズの前に位置させた状態
の斜視図、第４図は素通し部と、その左右に補助
レンズ部を一体に設けたレンズカバーの実施例の
斜視図、第５図は補助レンズ部とモニター映写用
反射ミラーと素通し部を一体に設けたレンズカバ
ーの実施例を示す斜視図。
１はカバー板、１Ｃは素通し部、１Ｌ，１Ｌ―
１，１Ｌ―２は補助レンズ部、３はプロジエクタ
、４は投写レンズ、８，１０はスクリーン、１１
はモニター映写用反射ミラー、１２はモニター用
透過型スクリーン。
FIG. 1 is a perspective view of a projector equipped with the lens cover of the present invention, which has a transparent portion and an auxiliary lens portion, with the lens cover transparent portion positioned in front of the projection lens, and FIG. 2 is an example of the embodiment shown in FIG. 1. Fig. 3 is a perspective view of the optical system with the lens cover moved and the auxiliary lens positioned in front of the projection lens, and Fig. 4 shows the transparent section and the auxiliary lens sections integrated on the left and right of it. FIG. 5 is a perspective view showing an embodiment of the lens cover provided, and FIG. 5 is a perspective view showing an embodiment of the lens cover in which an auxiliary lens part, a reflective mirror for monitor projection, and a transparent part are integrally provided. 1 is the cover plate, 1C is the transparent part, 1L, 1L-
1, 1L-2 is an auxiliary lens section, 3 is a projector, 4 is a projection lens, 8, 10 is a screen, 11
12 is a reflective mirror for monitor projection, and 12 is a transmission screen for monitor.
Claims (1)
に往復動可能のカバー板に、素通し部と補助レン
ズ部がカバー板の移動方向に沿つて並んで設けら
れているプロジエクタのレンズカバー。 (2) 投写レンズの直前に備えたレンズ面と平行
に往復動可能のカバー板に、素通し部とモニター
映写用反射ミラーがカバー板の移動方向に沿つて
並んで設けられているプロジエクタのレンズカバ
ー。 (3) 投写レンズの直前に備えたレンズ面と平行
に往復動可能のカバー板に、補助レンズ部とモニ
ター映写用反射ミラーがカバー板の移動方向に沿
つて並んで設けられているプロジエクタのレンズ
カバー。 (4) 投写レンズの直前に備えたレンズ面と平行
に往復動可能のカバー板に、素通し部と補助レン
ズ部とモニター映写用反射ミラーがカバー板の移
動方向に沿つて並んで設けられているプロジエク
タのレンズカバー。[Claims for Utility Model Registration] (1) A cover plate provided just in front of a projection lens and capable of reciprocating in parallel to the lens surface has a transparent portion and an auxiliary lens portion arranged side by side along the moving direction of the cover plate. projector lens cover. (2) A lens cover for a projector in which a transparent portion and a reflective mirror for monitor projection are arranged side by side along the moving direction of the cover plate on a cover plate that is provided just in front of the projection lens and is movable back and forth parallel to the lens surface. . (3) A projector lens in which an auxiliary lens section and a reflective mirror for monitor projection are arranged side by side along the moving direction of the cover plate on a cover plate that is provided just in front of the projection lens and is movable back and forth parallel to the lens surface. cover. (4) A transparent section, an auxiliary lens section, and a reflective mirror for monitor projection are arranged side by side along the moving direction of the cover plate on a cover plate provided just in front of the projection lens and capable of reciprocating motion parallel to the lens surface. Projector lens cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12370788U JPH0244729U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12370788U JPH0244729U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244729U true JPH0244729U (en) | 1990-03-28 |
Family
ID=31372806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12370788U Pending JPH0244729U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010079253A (en) * | 2008-09-01 | 2010-04-08 | Seiko Epson Corp | Projector |
| WO2012026017A1 (en) * | 2010-08-26 | 2012-03-01 | Ｎｅｃディスプレイソリューションズ株式会社 | Lens cover mechanism for projection display device |
-
1988
- 1988-09-21 JP JP12370788U patent/JPH0244729U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010079253A (en) * | 2008-09-01 | 2010-04-08 | Seiko Epson Corp | Projector |
| WO2012026017A1 (en) * | 2010-08-26 | 2012-03-01 | Ｎｅｃディスプレイソリューションズ株式会社 | Lens cover mechanism for projection display device |
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