JPS58194581U - rear projection projection television - Google Patents

rear projection projection television

Info

Publication number
JPS58194581U
JPS58194581U JP9160782U JP9160782U JPS58194581U JP S58194581 U JPS58194581 U JP S58194581U JP 9160782 U JP9160782 U JP 9160782U JP 9160782 U JP9160782 U JP 9160782U JP S58194581 U JPS58194581 U JP S58194581U
Authority
JP
Japan
Prior art keywords
projection
television
screen
plane
mirror
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
Application number
JP9160782U
Other languages
Japanese (ja)
Inventor
桜井　宗一
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP9160782U priority Critical patent/JPS58194581U/en
Publication of JPS58194581U publication Critical patent/JPS58194581U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、第２図は従来の背面投写形ビデオプロジェクタ
−の断面図。第３図、第４図は本考案の　　　−一実施
例の縦断面図である。 ２・・・・・・拡大投写レンズ、３．　４．　６．　７
・・・・・・平面ミラー、５・・・・・・スクリーン、
５０・・・・・・偏心フレネルスクリーン。1 and 2 are cross-sectional views of a conventional rear projection type video projector. 3 and 4 are longitudinal sectional views of one embodiment of the present invention. 2... Enlargement projection lens, 3. 4. 6. 7
...Flat mirror, 5...Screen,
50...Eccentric Fresnel screen.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ４枚の平面ミラーから成り、平面ミラーＩ、■は拡大投
り用レンズの中に設け、平面ミラー■は、この平面ミラ
ーの一端がスクリーンの上端よりも高い所に位置する様
に配置し、平面ミラー■はスクリーンの背面に不クリー
ンと対向し、その中心がスクリーンの中心よりも高い所
に位置する様に配置した事を特徴とした背面投写形プロ
ジェクションテレビ。Consisting of four plane mirrors, plane mirrors I and ■ are placed inside the lens for magnifying throw, and plane mirror ■ is placed so that one end of this plane mirror is located higher than the top of the screen. A rear-projection type projection TV characterized by a flat mirror ■ facing the back of the screen, with its center positioned higher than the center of the screen.
JP9160782U 1982-06-21 1982-06-21 rear projection projection television Pending JPS58194581U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9160782U JPS58194581U (en) 1982-06-21 1982-06-21 rear projection projection television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9160782U JPS58194581U (en) 1982-06-21 1982-06-21 rear projection projection television

Publications (1)

Publication Number Publication Date
JPS58194581U true JPS58194581U (en) 1983-12-24

Family

ID=30099931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9160782U Pending JPS58194581U (en) 1982-06-21 1982-06-21 rear projection projection television

Country Status (1)

Country Link
JP (1) JPS58194581U (en)

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