JPS6124734U - Double reflective transmission type overhead projector - Google Patents
Double reflective transmission type overhead projectorInfo
- Publication number
- JPS6124734U JPS6124734U JP10760884U JP10760884U JPS6124734U JP S6124734 U JPS6124734 U JP S6124734U JP 10760884 U JP10760884 U JP 10760884U JP 10760884 U JP10760884 U JP 10760884U JP S6124734 U JPS6124734 U JP S6124734U
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- overhead projector
- transmission type
- lens
- type overhead
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案にかかる２回反射式透過型ＯＨＰの一実
施例を示す断面図、第２図は第１図の作動状態を示す断
面図、第３図は第１図によるスクリーンの位置を、第２
図によるスクリーンの位置に移動させたときの連動状態
の説明図、第４図および第５図は従来のＯＨＰの設置状
態図、第６図はアオリの原理説明図、第７図は従来の１
回反射式透過型ＯＨＰの原理図、第８図は従来の２回反
射式透過型ＯＨＰの原理図、第９図は従来の反射型ＯＨ
Ｐの原理図、第１０図は本考案のＯＨＰの設置状態図で
ある。
１・・・第２反射鏡、２・・・レンズ、３・・・非球面
レンズ、４・・・光源、６・・・第１反射鏡、８・・・
ケース本体、９・・・支柱、１０・・・連動機構。FIG. 1 is a cross-sectional view showing an embodiment of the double-reflective transmissive OHP according to the present invention, FIG. 2 is a cross-sectional view showing the operating state of FIG. 1, and FIG. 3 is the position of the screen according to FIG. 1. , the second
An explanatory diagram of the interlocking state when moved to the screen position shown in the figure, Figures 4 and 5 are installation state diagrams of a conventional OHP, Figure 6 is an explanatory diagram of the principle of tilting, and Figure 7 is a diagram of the conventional OHP.
The principle diagram of a double-reflection type transmission type OHP, Figure 8 is the principle diagram of a conventional double-reflection type transmission type OHP, and Figure 9 is the principle diagram of a conventional reflection type OHP.
FIG. 10 is a diagram showing the installation state of the OHP according to the present invention. 1... Second reflecting mirror, 2... Lens, 3... Aspherical lens, 4... Light source, 6... First reflecting mirror, 8...
Case body, 9... Support, 10... Interlocking mechanism.
Claims (1)
面に設けられ前記光源からの光束を第１反射鏡を介して
透過させる非球面レンズと、非球面レンズの上方に懸吊
されたレンズおよび第２反射鏡とを具有し、前記非球面
レンズからの光束をレンズを通して第２反射鏡に反射さ
せるように腰前記レンズおよび第２反射鏡を連続的にア
オリを持たせ得るようにしたことを特徴とする２回反射
式透過型オーバーへッドプロジエクタ。A case body containing a light source and a first reflecting mirror, an aspherical lens provided on the top surface of the case body and transmitting the light beam from the light source through the first reflecting mirror, a lens suspended above the aspherical lens, and and a second reflecting mirror, and the lens and the second reflecting mirror can be tilted continuously so that the light beam from the aspherical lens is reflected to the second reflecting mirror through the lens. This is a double-reflection type overhead projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10760884U JPS6124734U (en) | 1984-07-18 | 1984-07-18 | Double reflective transmission type overhead projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10760884U JPS6124734U (en) | 1984-07-18 | 1984-07-18 | Double reflective transmission type overhead projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6124734U true JPS6124734U (en) | 1986-02-14 |
Family
ID=30666828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10760884U Pending JPS6124734U (en) | 1984-07-18 | 1984-07-18 | Double reflective transmission type overhead projector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6124734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214828A (en) * | 1988-02-23 | 1989-08-29 | Topcon Corp | Automatically focused projecting device |
-
1984
- 1984-07-18 JP JP10760884U patent/JPS6124734U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214828A (en) * | 1988-02-23 | 1989-08-29 | Topcon Corp | Automatically focused projecting device |
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