JPS6057280U - video projector - Google Patents
video projectorInfo
- Publication number
- JPS6057280U JPS6057280U JP14887983U JP14887983U JPS6057280U JP S6057280 U JPS6057280 U JP S6057280U JP 14887983 U JP14887983 U JP 14887983U JP 14887983 U JP14887983 U JP 14887983U JP S6057280 U JPS6057280 U JP S6057280U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- video projector
- phosphors
- display section
- image
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は一般のビデオプロジェクタの構造を示す模式図
、第２図はスクリーンに拡大投写された映像面の歪の状
態を示す模式図、第３図は本考案の一実施例を示す単ビ
ームインデックス型ＣＲＴの映像表示部の正面図、第４
図は上記ＣＲＴの概略を示す横断平面図、第５図はスク
リーンに拡大投写された映像面を示す模式図、第６図は
陰極線管の他の例を示す正面図である。
２・・・レンズ、４・・・スクリーン、７・・・単ビー
ムインデックス型ＣＲＴ、 ８・・・映像表示部、９・
・・電子ビーム〈 １０・・・カラー螢光体、１３・・
・インデックス螢光体。Fig. 1 is a schematic diagram showing the structure of a general video projector, Fig. 2 is a schematic diagram showing the distortion state of the image plane enlarged and projected onto the screen, and Fig. 3 is a single beam showing an embodiment of the present invention. Front view of the image display section of the index type CRT, No. 4
FIG. 5 is a cross-sectional plan view schematically showing the CRT, FIG. 5 is a schematic diagram showing an image plane enlarged and projected onto a screen, and FIG. 6 is a front view showing another example of the cathode ray tube. 2...Lens, 4...Screen, 7...Single beam index type CRT, 8...Video display section, 9...
...Electron beam〈 10...Color phosphor, 13...
・Index fluorescent material.
Claims (1)
カラー螢光体及びインデックス螢光体に対する電子ビー
ムの走査により上記映像表示部に映し出された映像を、
レンズを通してスクリーンに拡大投写するようにしたビ
デオプロジェクタにおいて、上記カラー螢光体及びイン
デックス螢光体を上記スクリーンに形成される映像面の
投写光学歪に合せて上記映像表示部にストライプ状に配
置し、上記スクリーンに方形状の映像面が形成されるよ
うにしてなるビデオプロジェクタ。The image displayed on the image display section of the cathode ray tube by scanning the color phosphors and index phosphors arranged in stripes with an electron beam is
In a video projector configured to project magnified images onto a screen through a lens, the color phosphors and the index phosphors are arranged in a stripe pattern on the image display section in accordance with the projection optical distortion of the image surface formed on the screen. , a video projector in which a rectangular image surface is formed on the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14887983U JPS6057280U (en) | 1983-09-28 | 1983-09-28 | video projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14887983U JPS6057280U (en) | 1983-09-28 | 1983-09-28 | video projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6057280U true JPS6057280U (en) | 1985-04-22 |
Family
ID=30330646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14887983U Pending JPS6057280U (en) | 1983-09-28 | 1983-09-28 | video projector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6057280U (en) |
-
1983
- 1983-09-28 JP JP14887983U patent/JPS6057280U/en active Pending
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