JPH0329848U - - Google Patents

Info

Publication number
JPH0329848U
JPH0329848U JP1989088864U JP8886489U JPH0329848U JP H0329848 U JPH0329848 U JP H0329848U JP 1989088864 U JP1989088864 U JP 1989088864U JP 8886489 U JP8886489 U JP 8886489U JP H0329848 U JPH0329848 U JP H0329848U
Authority
JP
Japan
Prior art keywords
base material
screen base
screen
fresnel lens
periphery
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
JP1989088864U
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 JP1989088864U priority Critical patent/JPH0329848U/ja
Publication of JPH0329848U publication Critical patent/JPH0329848U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】
第1図ないし第3図は本考案の第1ないし第3
の実施例を示す断面図、第4図はスクリーンの測
定箇所を示す正面図である。 1……スクリーン基材、2……フレネルレンズ
、3……レンチキユラーレンズ、4……微細な凹
凸面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 少なくとも入射面にフレネルレンズを備え、か
    つスクリーン基材中に光拡散剤を含有してなるも
    のであつて、そのスクリーン基材の厚さが中央部
    を最大として周辺に向うに従つて薄く成形されて
    いることを特徴とする透過型スクリーン。
JP1989088864U 1989-07-28 1989-07-28 Pending JPH0329848U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989088864U JPH0329848U (ja) 1989-07-28 1989-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989088864U JPH0329848U (ja) 1989-07-28 1989-07-28

Publications (1)

Publication Number Publication Date
JPH0329848U true JPH0329848U (ja) 1991-03-25

Family

ID=31638457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989088864U Pending JPH0329848U (ja) 1989-07-28 1989-07-28

Country Status (1)

Country Link
JP (1) JPH0329848U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006039463A (ja) * 2004-07-30 2006-02-09 Dainippon Printing Co Ltd 透過型スクリーン

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61241741A (ja) * 1985-04-19 1986-10-28 Hitachi Ltd 透過型スクリーン

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61241741A (ja) * 1985-04-19 1986-10-28 Hitachi Ltd 透過型スクリーン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006039463A (ja) * 2004-07-30 2006-02-09 Dainippon Printing Co Ltd 透過型スクリーン

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