JP2569489Y2 - 投写スクリーン - Google Patents

投写スクリーン

Info

Publication number
JP2569489Y2
JP2569489Y2 JP1990093072U JP9307290U JP2569489Y2 JP 2569489 Y2 JP2569489 Y2 JP 2569489Y2 JP 1990093072 U JP1990093072 U JP 1990093072U JP 9307290 U JP9307290 U JP 9307290U JP 2569489 Y2 JP2569489 Y2 JP 2569489Y2
Authority
JP
Japan
Prior art keywords
lens sheet
projection screen
fresnel lens
light
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.)
Expired - Lifetime
Application number
JP1990093072U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0470644U (OSRAM
Inventor
瑞夫 岡田
泰章 中西
幸男 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Rayon Co Ltd
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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP1990093072U priority Critical patent/JP2569489Y2/ja
Publication of JPH0470644U publication Critical patent/JPH0470644U/ja
Application granted granted Critical
Publication of JP2569489Y2 publication Critical patent/JP2569489Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1990093072U 1989-10-02 1990-09-04 投写スクリーン Expired - Lifetime JP2569489Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990093072U JP2569489Y2 (ja) 1989-10-02 1990-09-04 投写スクリーン

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP11607989 1989-10-02
JP2-71777 1990-07-05
JP7177790 1990-07-05
JP1-116079 1990-07-05
JP1990093072U JP2569489Y2 (ja) 1989-10-02 1990-09-04 投写スクリーン

Publications (2)

Publication Number Publication Date
JPH0470644U JPH0470644U (OSRAM) 1992-06-23
JP2569489Y2 true JP2569489Y2 (ja) 1998-04-22

Family

ID=31950375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990093072U Expired - Lifetime JP2569489Y2 (ja) 1989-10-02 1990-09-04 投写スクリーン

Country Status (1)

Country Link
JP (1) JP2569489Y2 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4264659B2 (ja) * 2006-04-06 2009-05-20 ソニー株式会社 背面投射型表示装置及び透過型スクリーン

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121648U (ja) * 1983-02-07 1984-08-16 三菱レイヨン株式会社 透過型スクリ−ン
JPH01245235A (ja) * 1988-03-28 1989-09-29 Mitsubishi Rayon Co Ltd 透過型スクリーンおよびその製造方法

Also Published As

Publication number Publication date
JPH0470644U (OSRAM) 1992-06-23

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JPS6344819Y2 (OSRAM)

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term