JPH0185828U - - Google Patents

Info

Publication number
JPH0185828U
JPH0185828U JP1987182720U JP18272087U JPH0185828U JP H0185828 U JPH0185828 U JP H0185828U JP 1987182720 U JP1987182720 U JP 1987182720U JP 18272087 U JP18272087 U JP 18272087U JP H0185828 U JPH0185828 U JP H0185828U
Authority
JP
Japan
Prior art keywords
screen
video projector
fresnel lens
reflection
overlap
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
JP1987182720U
Other languages
English (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 JP1987182720U priority Critical patent/JPH0185828U/ja
Publication of JPH0185828U publication Critical patent/JPH0185828U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるビデオプロジエクタ用ス
クリーンの第１実施例の断面図、第２図はその正
面図、第３図はその部分拡大断面図、第４図は第
２実施例の部分拡大断面図、第５図及び第６図は
それぞれ従来のスクリーンの平面図である。 ２……ビデオプロジエクタ、７……スクリーン
、８……フレネルレンズ部、９……平面パネル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 表面に反射拡散処理が施された平面体と、その
    前面に重ね合わせるように近接して設けられた輪
    帯状の小レンズを同心状に多数配置したフレネル
    レンズ構造の透明体とで形成したことを特徴とす
    るビデオプロジエクタ用スクリーン。
JP1987182720U 1987-11-30 1987-11-30 Pending JPH0185828U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987182720U JPH0185828U (ja) 1987-11-30 1987-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987182720U JPH0185828U (ja) 1987-11-30 1987-11-30

Publications (1)

Publication Number Publication Date
JPH0185828U true JPH0185828U (ja) 1989-06-07

Family

ID=31474164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987182720U Pending JPH0185828U (ja) 1987-11-30 1987-11-30

Country Status (1)

Country Link
JP (1) JPH0185828U (ja)

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