JPS5847814U - projector - Google Patents
projectorInfo
- Publication number
- JPS5847814U JPS5847814U JP14264281U JP14264281U JPS5847814U JP S5847814 U JPS5847814 U JP S5847814U JP 14264281 U JP14264281 U JP 14264281U JP 14264281 U JP14264281 U JP 14264281U JP S5847814 U JPS5847814 U JP S5847814U
- Authority
- JP
- Japan
- Prior art keywords
- projector
- guichroic
- mirror
- abstract
- dividing surface
- 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
- Video Image Reproduction Devices For Color Tv Systems (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は一般的な三管式構造のプロジェクタを” 示す
模式的な断面図である。第2図は本考案に係るプロジェ
クタの構造を示す模式的な断面図である。第3図は上記
実施例におけるグイクロイックミラーの分割面のコーナ
部分に生ずる分光現象を説明するための模式図である。
第4図は上記実施例の変形例を孝子要部断面図である。
第5図はダ 、イクロイツクミラーを空気中に直交
配置した場合の光の全反射現象を説明するための模式図
である。
11.12・・・グイクロイックミラー、12a。
12b・・・グイクロイックミラーの分割面、12A。
12B、 12A’ 、 12B’・・・遮光部、13
゜14.15−・・ブラウン管、17−・・液体、Pa
、 Pb・・・コーナ部。FIG. 1 is a schematic cross-sectional view showing a general three-tube structure projector. FIG. 2 is a schematic cross-sectional view showing the structure of a projector according to the present invention. FIG. FIG. 4 is a schematic diagram for explaining the spectral phenomenon that occurs at the corner portion of the dividing surface of the guichroic mirror in the embodiment. FIG. 4 is a sectional view of the main part of a modification of the above embodiment. FIG. It is a schematic diagram for explaining the total reflection phenomenon of light when a dichroic mirror is arranged perpendicularly in the air. 11.12...Gicroic mirror, 12a. 12b... Gicroic mirror Mirror dividing surface, 12A. 12B, 12A', 12B'... Light shielding part, 13
゜14.15-... Braun tube, 17-... Liquid, Pa
, Pb...corner part.
Claims (1)
の映像を合成して投影するプロジェクタにおいて、直交
配置するために二分割されたグイクロイックミラーの各
分割面の少なくともコーナ部分に遮光部を設けたことを
特徴とするプロジェクタ。In a projector that synthesizes and projects a plurality of images using guichroic mirrors disposed orthogonally in a liquid, a light-shielding portion is provided at least at a corner portion of each dividing surface of the guichroic mirror that is divided into two parts for orthogonal arrangement. A projector characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14264281U JPS5847814U (en) | 1981-09-28 | 1981-09-28 | projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14264281U JPS5847814U (en) | 1981-09-28 | 1981-09-28 | projector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5847814U true JPS5847814U (en) | 1983-03-31 |
Family
ID=29935668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14264281U Pending JPS5847814U (en) | 1981-09-28 | 1981-09-28 | projector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5847814U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6310128A (en) * | 1986-07-01 | 1988-01-16 | Seiko Epson Corp | Projection type color display device |
-
1981
- 1981-09-28 JP JP14264281U patent/JPS5847814U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6310128A (en) * | 1986-07-01 | 1988-01-16 | Seiko Epson Corp | Projection type color display device |
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