JPS5969578U - projection television - Google Patents
projection televisionInfo
- Publication number
- JPS5969578U JPS5969578U JP16608482U JP16608482U JPS5969578U JP S5969578 U JPS5969578 U JP S5969578U JP 16608482 U JP16608482 U JP 16608482U JP 16608482 U JP16608482 U JP 16608482U JP S5969578 U JPS5969578 U JP S5969578U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- optical axis
- mirror
- lens
- projection television
- 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
- Transforming Electric Information Into Light Information (AREA)
- 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図及び第2図は従来の投写形テレビジョンの側断面
図、第3図は本考案の一実施例を示す側断面図、第・4
図及び第5図は光軸偏光スクリーンの詳細図、第6図は
光軸偏光スクリーンへの入射光軸を傾斜させたときの効
果を説明する説明図である。
1・・・・・・受像管(CRT)、7・・・・・くラー
内蔵レンズ、8、 9. 10・・・・・・反射シラー
、11・・・・・・光軸偏向スクリーン。1 and 2 are side sectional views of a conventional projection television; FIG. 3 is a side sectional view showing an embodiment of the present invention;
5 and 5 are detailed views of the optical axis polarizing screen, and FIG. 6 is an explanatory diagram illustrating the effect when the optical axis of incidence on the optical axis polarizing screen is tilted. 1... Picture tube (CRT), 7... Lens with built-in lens, 8, 9. 10... Reflective Schiller, 11... Optical axis deflection screen.
Claims (1)
させる投写形テレビジョンにおいて、前記レンズ系に光
路をほぼ直角に折り曲げるミラーを装備したミラー内蔵
レンズを使用し、また前記受像管を、その画像面をキャ
ビネットの下方側に向けかつほぼ垂直に起立した状態で
装備し、また前記スクリーンを、入射軸に対し射出光軸
を所定角度偏向してスクリーン面に対して直角にする光
軸偏向スクリーンにより形成し、かつこの先軸偏、向ス
クリーンとミラー内蔵レンズとの光路に、この光路を複
数回折り曲げ、該光軸偏向スクリーンへの入射光軸を光
軸偏向スクリーンの法線に対して所定角度傾斜させる3
枚以上の反射ミラーからなる反射ミラー系を装備してな
ることを特徴とする投写形テレビジョン。In a projection television that magnifies the image of a picture tube using a lens system and forms the image on a screen, the lens system uses a lens with a built-in mirror that is equipped with a mirror that bends the optical path at approximately right angles, and the picture tube is The screen is equipped with an image surface facing the lower side of the cabinet and standing almost vertically, and the screen is an optical axis deflection screen that deflects the output optical axis at a predetermined angle with respect to the incident axis to be perpendicular to the screen surface. The optical path is bent multiple times between the front axis deflection screen and the lens with a built-in mirror, and the optical axis incident on the optical axis deflection screen is set at a predetermined angle with respect to the normal line of the optical axis deflection screen. tilt 3
A projection television characterized by being equipped with a reflecting mirror system consisting of more than one reflecting mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16608482U JPS5969578U (en) | 1982-11-01 | 1982-11-01 | projection television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16608482U JPS5969578U (en) | 1982-11-01 | 1982-11-01 | projection television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5969578U true JPS5969578U (en) | 1984-05-11 |
Family
ID=30363691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16608482U Pending JPS5969578U (en) | 1982-11-01 | 1982-11-01 | projection television |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5969578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230483A (en) * | 1985-07-31 | 1987-02-09 | Matsushita Electric Ind Co Ltd | image projection device |
| JP2020148950A (en) * | 2019-03-14 | 2020-09-17 | コニカミノルタ株式会社 | Head-up display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56171B2 (en) * | 1974-04-26 | 1981-01-06 | ||
| JPS5781255A (en) * | 1980-11-10 | 1982-05-21 | Toshiba Corp | Transmission type projection screen |
| JPS58197969A (en) * | 1982-05-14 | 1983-11-17 | Hitachi Ltd | Back projection type projection television |
-
1982
- 1982-11-01 JP JP16608482U patent/JPS5969578U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56171B2 (en) * | 1974-04-26 | 1981-01-06 | ||
| JPS5781255A (en) * | 1980-11-10 | 1982-05-21 | Toshiba Corp | Transmission type projection screen |
| JPS58197969A (en) * | 1982-05-14 | 1983-11-17 | Hitachi Ltd | Back projection type projection television |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230483A (en) * | 1985-07-31 | 1987-02-09 | Matsushita Electric Ind Co Ltd | image projection device |
| JP2020148950A (en) * | 2019-03-14 | 2020-09-17 | コニカミノルタ株式会社 | Head-up display device |
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