JPS59121646U

JPS59121646U - rear screen

Info

Publication number: JPS59121646U
Application number: JP1982088691U
Authority: JP
Inventors: 中山　洋二
Original assignee: 株式会社日立製作所
Priority date: 1982-06-16
Filing date: 1982-06-16
Publication date: 1984-08-16

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

[Brief explanation of the drawing]

第１図はりャープロジエクションテレビの原理を示す説
明図、第２図は第１図のリヤースクリーンの一従来例を
示す側面図、第３図は第２図のリヤースクリーンの一状
態を示す説明図、第４図Ａ。Ｂは本考案によるリヤースクリーンの一実施例を示す正
面図および側面図、第５図Ａ、　Ｂは本考案によるリヤ
ースクリーンの他の実施例を示す正面図および側面図、
第６図は本考案によるリヤースクリーンのさらに他の実
施例を示す正面図、第７図は本考案によるリヤースクリ
ーンのさらに他の実施例を示す正面図、第８図は本考案
のさらに他の実施例を示す側面図である。３・・・リヤースクリーン、５．　６．　７・・・スク
リーン部材、９．９′・・・バネ、１０・・・保持枠、
１１・・・板バネ、１２・・・スクリーン補強部、１３
・・・スクリーン固定部。）ｒＢ　　ｅｇｌ才　４　図Fig. 1 is an explanatory diagram showing the principle of the rear projection television, Fig. 2 is a side view showing a conventional example of the rear screen shown in Fig. 1, and Fig. 3 shows a state of the rear screen shown in Fig. 2. An explanatory diagram shown in FIG. 4A. B is a front view and a side view showing one embodiment of the rear screen according to the present invention; FIGS. 5A and 5B are front views and side views showing another embodiment of the rear screen according to the present invention;
FIG. 6 is a front view showing still another embodiment of the rear screen according to the present invention, FIG. 7 is a front view showing still another embodiment of the rear screen according to the present invention, and FIG. 8 is a front view showing still another embodiment of the rear screen according to the present invention. It is a side view showing an example. 3...Rear screen, 5. 6. 7... Screen member, 9.9'... Spring, 10... Holding frame,
11... Leaf spring, 12... Screen reinforcement part, 13
...Screen fixing part. )rB egl 4 figure

Claims

[Scope of utility model registration request]

A rear screen for projecting an enlarged optical image from an image source, characterized in that a plurality of screen members and a holding frame are provided, and each of the plurality of screen members is fixed to the holding frame via an elastic member. .