JPS6373732U - - Google Patents
Info
- Publication number
- JPS6373732U JPS6373732U JP16637586U JP16637586U JPS6373732U JP S6373732 U JPS6373732 U JP S6373732U JP 16637586 U JP16637586 U JP 16637586U JP 16637586 U JP16637586 U JP 16637586U JP S6373732 U JPS6373732 U JP S6373732U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal panel
- lens
- display surface
- overhead 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係るオーバーヘツドプロジエ
クターの一実施例を示す全体配置図、第２図は同
実施例における液晶パネルと集光プリズムの配置
関係を示す斜視図、第３図は従来例を示す全体配
置図である。
１…光源、３…集光プリズム、４…投影面、５
…液晶パネル、ｌ…集光プリズム３の光軸、ｍ…
液晶パネル５の最適視認方向、ｎ…表示面（液晶
パネル）の中心に立てた法線。
Fig. 1 is an overall layout diagram showing an embodiment of an overhead projector according to the present invention, Fig. 2 is a perspective view showing the arrangement relationship between a liquid crystal panel and a condensing prism in the same embodiment, and Fig. 3 is a conventional example. FIG. 1... Light source, 3... Condensing prism, 4... Projection surface, 5
...Liquid crystal panel, l...Optical axis of condensing prism 3, m...
Optimum viewing direction of the liquid crystal panel 5, n... normal line placed at the center of the display surface (liquid crystal panel).
Claims (1)
光プリズムまたはレンズで結像した後、投影面に
投影する構成としたオーバーヘツドプロジエクタ
ーにおいて、液晶パネルを表示面に配置する一方
、前記集光プリズムまたはレンズをその光軸が前
記液晶パネルの最適視認方向と一致するように配
置したことを特徴とするオーバーヘツドプロジエ
クター。 In an overhead projector configured to illuminate a display surface with light from a light source, form an image of the displayed content using a condensing prism or lens, and then project it onto a projection surface, a liquid crystal panel is disposed on the display surface, and the An overhead projector characterized in that a condensing prism or lens is arranged so that its optical axis coincides with the optimum viewing direction of the liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16637586U JPS6373732U (en) | 1986-10-29 | 1986-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16637586U JPS6373732U (en) | 1986-10-29 | 1986-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6373732U true JPS6373732U (en) | 1988-05-17 |
Family
ID=31097287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16637586U Pending JPS6373732U (en) | 1986-10-29 | 1986-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6373732U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213935A (en) * | 1984-04-09 | 1985-10-26 | Usac Electronics Ind Co Ltd | Overhead projector |
-
1986
- 1986-10-29 JP JP16637586U patent/JPS6373732U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213935A (en) * | 1984-04-09 | 1985-10-26 | Usac Electronics Ind Co Ltd | Overhead projector |