JPS6447176U - - Google Patents

Info

Publication number
JPS6447176U
JPS6447176U JP1987141714U JP14171487U JPS6447176U JP S6447176 U JPS6447176 U JP S6447176U JP 1987141714 U JP1987141714 U JP 1987141714U JP 14171487 U JP14171487 U JP 14171487U JP S6447176 U JPS6447176 U JP S6447176U
Authority
JP
Japan
Prior art keywords
lens
fresnel lens
lenticular lens
rear projection
sheet
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
Application number
JP1987141714U
Other languages
Japanese (ja)
Other versions
JPH0354467Y2 (en
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 filed Critical
Priority to JP1987141714U priority Critical patent/JPH0354467Y2/ja
Publication of JPS6447176U publication Critical patent/JPS6447176U/ja
Priority to US07/640,783 priority patent/US5074644A/en
Application granted granted Critical
Publication of JPH0354467Y2 publication Critical patent/JPH0354467Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Description

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

第１図は本考案の背面投写型プロジエクシヨン
テレビの一実施例を示す図、第２図は実施例にお
ける透過式スクリーンの構造を説明する図、第３
図は実施例における開口部と保護シートの状態を
説明する図、第４図は従来の背面投写型プロジエ
クシヨンテレビの一例を示す図である。 １……キヤビネツト、１ａ……開口部、２ａ…
…フレネルレンズ、２ｂ……レンチキユラーレン
ズ、４……保護シート。 FIG. 1 is a diagram showing an embodiment of the rear projection type projection television of the present invention, FIG. 2 is a diagram illustrating the structure of the transmissive screen in the embodiment, and FIG.
The figure is a diagram illustrating the state of the opening and the protective sheet in the embodiment, and FIG. 4 is a diagram illustrating an example of a conventional rear projection type projection television. 1...cabinet, 1a...opening, 2a...
... Fresnel lens, 2b... Lenticular lens, 4... Protective sheet.

Claims (1)

【実用新案登録請求の範囲】 フレネルレンズとレンチキユラーレンズを重ね
合わせた２枚構成の透過式スクリーンを備える背
面投写型プロジエクシヨンテレビにおいて、 上記フレネルレンズとレンチキユラーレンズと
の間隙に保護シートを配するとともに、上記フレ
ネルレンズおよびレンチキユラーレンズの縁の周
辺近傍に上記保護シートを引き抜くための開口部
を有することを特徴とする背面投写型プロジエク
シヨンテレビ。[Scope of Claim for Utility Model Registration] In a rear projection projection television equipped with a two-panel transmissive screen consisting of a Fresnel lens and a lenticular lens, which are protected by the gap between the Fresnel lens and the lenticular lens. A rear projection type projection television, characterized in that a sheet is disposed therein and an opening for pulling out the protective sheet is provided near the edges of the Fresnel lens and the lenticular lens.
JP1987141714U 1987-09-18 1987-09-18 Expired JPH0354467Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987141714U JPH0354467Y2 (en) 1987-09-18 1987-09-18
US07/640,783 US5074644A (en) 1987-09-18 1991-01-14 Rear projection television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987141714U JPH0354467Y2 (en) 1987-09-18 1987-09-18

Publications (2)

Publication Number Publication Date
JPS6447176U true JPS6447176U (en) 1989-03-23
JPH0354467Y2 JPH0354467Y2 (en) 1991-12-02

Family

ID=31407030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987141714U Expired JPH0354467Y2 (en) 1987-09-18 1987-09-18

Country Status (1)

Country Link
JP (1) JPH0354467Y2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846060U (en) * 1981-09-24 1983-03-28 磯村　昌孝 Diamond-shaped solar heat collector
JPS5990836U (en) * 1982-12-09 1984-06-20 松下電器産業株式会社 temperature detector
JPS59109333U (en) * 1983-01-14 1984-07-23 大日本印刷株式会社 rear screen
JPS59221269A (en) * 1983-06-01 1984-12-12 日本板硝子株式会社 Hard whetstone for glass
JPS6061738A (en) * 1983-09-16 1985-04-09 Hitachi Ltd Screen in back projecting device
JPS613823U (en) * 1984-06-12 1986-01-10 住友金属工業株式会社 Steel members for composite structures
JPS61267748A (en) * 1985-05-23 1986-11-27 Hitachi Ltd Transmission type screen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846060U (en) * 1981-09-24 1983-03-28 磯村　昌孝 Diamond-shaped solar heat collector
JPS5990836U (en) * 1982-12-09 1984-06-20 松下電器産業株式会社 temperature detector
JPS59109333U (en) * 1983-01-14 1984-07-23 大日本印刷株式会社 rear screen
JPS59221269A (en) * 1983-06-01 1984-12-12 日本板硝子株式会社 Hard whetstone for glass
JPS6061738A (en) * 1983-09-16 1985-04-09 Hitachi Ltd Screen in back projecting device
JPS613823U (en) * 1984-06-12 1986-01-10 住友金属工業株式会社 Steel members for composite structures
JPS61267748A (en) * 1985-05-23 1986-11-27 Hitachi Ltd Transmission type screen

Also Published As

Publication number Publication date
JPH0354467Y2 (en) 1991-12-02

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