JPS62146129U - - Google Patents

Info

Publication number
JPS62146129U
JPS62146129U JP1986034862U JP3486286U JPS62146129U JP S62146129 U JPS62146129 U JP S62146129U JP 1986034862 U JP1986034862 U JP 1986034862U JP 3486286 U JP3486286 U JP 3486286U JP S62146129 U JPS62146129 U JP S62146129U
Authority
JP
Japan
Prior art keywords
lens sheet
close contact
curvature
radius
utility
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
JP1986034862U
Other languages
Japanese (ja)
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 JP1986034862U priority Critical patent/JPS62146129U/ja
Publication of JPS62146129U publication Critical patent/JPS62146129U/ja
Pending 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 the drawing]

第１図〜第３図、および第６図は本考案の透過
型スクリーンを説明する図、第４図、第５図、お
よび第７図は従来技術を説明する図である。 １……フレネルレンズシート、２……レンチキ
ユラーレンズシート、３……透過型スクリーン、
４……レンチキユラーレンズ、５……黒いストラ
イプ、６……隙間。 1 to 3 and 6 are diagrams for explaining the transmission type screen of the present invention, and FIGS. 4, 5, and 7 are diagrams for explaining the prior art. 1... Fresnel lens sheet, 2... Lenticular lens sheet, 3... Transmissive screen,
4... Lenticular lens, 5... Black stripe, 6... Gap.

Claims (1)

【実用新案登録請求の範囲】 (1) フレネルレンズシートとレンチキユラーレ
ンズシートの両レンズシートが同一方向に凸にな
るように球面状に成形されて密着していることを
特徴とする透過型スクリーン。 (2) 球面の内側になる方のレンズシートの外面
の曲率半径が、外側になる方のレンズシートの内
面の曲率半径と同じかもしくはそれよりも小さく
なるよう成形されており、両レンズシートが周縁
部で強制的に密着されることにより全体が密着し
ていることを特徴とする実用新案登録請求の範囲
第１項記載の透過型スクリーン。 (3) レンチキユラーレンズシートが球面の内側
にあることを特徴とする実用新案登録請求の範囲
第１項または第２項記載の透過型スクリーン。[Claims for Utility Model Registration] (1) A transmission type characterized in that both the Fresnel lens sheet and the lenticular lens sheet are formed into a spherical shape so as to be convex in the same direction and are in close contact with each other. screen. (2) The radius of curvature of the outer surface of the lens sheet on the inner side of the spherical surface is the same as or smaller than the radius of curvature on the inner surface of the lens sheet on the outer side, and both lens sheets are The transmission type screen according to claim 1 of the utility model registration, characterized in that the whole is in close contact with each other by being forced into close contact with each other at the periphery. (3) The transmission screen according to claim 1 or 2, wherein the lenticular lens sheet is located inside a spherical surface.
JP1986034862U 1986-03-11 1986-03-11 Pending JPS62146129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986034862U JPS62146129U (en) 1986-03-11 1986-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986034862U JPS62146129U (en) 1986-03-11 1986-03-11

Publications (1)

Publication Number Publication Date
JPS62146129U true JPS62146129U (en) 1987-09-16

Family

ID=30843810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986034862U Pending JPS62146129U (en) 1986-03-11 1986-03-11

Country Status (1)

Country Link
JP (1) JPS62146129U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272341A (en) * 1988-09-07 1990-03-12 Dainippon Printing Co Ltd Transmissive type screen
JP2002145372A (en) * 2000-11-14 2002-05-22 Dainippon Printing Co Ltd Packing structure for sheet-like lens product
JP2012198016A (en) * 2012-05-28 2012-10-18 Sharp Corp Refrigerator
JP2014098548A (en) * 2014-02-26 2014-05-29 Sharp Corp Refrigerator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061738A (en) * 1983-09-16 1985-04-09 Hitachi Ltd Screen in back projecting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061738A (en) * 1983-09-16 1985-04-09 Hitachi Ltd Screen in back projecting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272341A (en) * 1988-09-07 1990-03-12 Dainippon Printing Co Ltd Transmissive type screen
JP2002145372A (en) * 2000-11-14 2002-05-22 Dainippon Printing Co Ltd Packing structure for sheet-like lens product
JP4608075B2 (en) * 2000-11-14 2011-01-05 大日本印刷株式会社 Sheet lens product packaging structure
JP2012198016A (en) * 2012-05-28 2012-10-18 Sharp Corp Refrigerator
JP2014098548A (en) * 2014-02-26 2014-05-29 Sharp Corp Refrigerator

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