JPS6230476U - - Google Patents
Info
- Publication number
- JPS6230476U JPS6230476U JP12038185U JP12038185U JPS6230476U JP S6230476 U JPS6230476 U JP S6230476U JP 12038185 U JP12038185 U JP 12038185U JP 12038185 U JP12038185 U JP 12038185U JP S6230476 U JPS6230476 U JP S6230476U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- frame
- vertical wall
- projection
- flange
- 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.)
- Granted
Links
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Lens Barrels (AREA)
Description
第１図は全体の分解斜視図、第２図は同上の組
立状態の断面図、第３図はフレーム部分の断面斜
視図、第４図はフレームにレンズを取付けた状態
の正面図、第５図、第６図は第２図における一部
分の拡大断面図である。
１……投写管、２……フレーム、３，４，１２
……パツキン、５……押え板、９……スプリング
、１１……レンズ、１３……レンズ取付板。
Fig. 1 is an exploded perspective view of the whole, Fig. 2 is a sectional view of the same as above in an assembled state, Fig. 3 is a sectional perspective view of the frame portion, Fig. 4 is a front view of the lens attached to the frame, and Fig. 5 FIG. 6 is an enlarged sectional view of a portion of FIG. 2. 1... Projection tube, 2... Frame, 3, 4, 12
...Packskin, 5...Press plate, 9...Spring, 11...Lens, 13...Lens mounting plate.
Claims (1)
、該フレームの一面側に固定された投写管と、前
記フレームの前記投写管が固定された側とは反対
側の開口部にパツキンを介して鍔部が載置される
と共に円辺に垂直壁部が形成されたレンズと、該
レンズの前記鍔部に重ねられて前記フレームにネ
ジ止めされるレンズ取付板とより構成し、前記レ
ンズ取付板には前記レンズの垂直壁部と略同じ大
きさの無反射処理を施した遮光板部を形成し、こ
の遮光板部にてレンズを通過する光が垂直壁部で
反射されないようにしたことを特徴とするプロジ
エクシヨンテレビにおける投写装置。 A frame made of a material with good thermal conductivity, a projection tube fixed to one side of the frame, and a gasket inserted into an opening on the opposite side of the frame from the side to which the projection tube is fixed. A lens comprising a lens on which a flange is placed and a vertical wall formed on a circular side, and a lens mounting plate that is overlapped with the flange of the lens and screwed to the frame, the lens mounting plate A light-shielding plate portion is formed which is approximately the same size as the vertical wall portion of the lens and is subjected to anti-reflection treatment, and this light-shielding plate portion prevents light passing through the lens from being reflected by the vertical wall portion. A projection device for projection television featuring features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12038185U JPH0445338Y2 (en) | 1985-08-06 | 1985-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12038185U JPH0445338Y2 (en) | 1985-08-06 | 1985-08-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6230476U true JPS6230476U (en) | 1987-02-24 |
| JPH0445338Y2 JPH0445338Y2 (en) | 1992-10-26 |
Family
ID=31008645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12038185U Expired JPH0445338Y2 (en) | 1985-08-06 | 1985-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445338Y2 (en) |
-
1985
- 1985-08-06 JP JP12038185U patent/JPH0445338Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445338Y2 (en) | 1992-10-26 |