JP2519836Y2 - 投写スクリーン - Google Patents

投写スクリーン

Info

Publication number
JP2519836Y2
JP2519836Y2 JP1990064842U JP6484290U JP2519836Y2 JP 2519836 Y2 JP2519836 Y2 JP 2519836Y2 JP 1990064842 U JP1990064842 U JP 1990064842U JP 6484290 U JP6484290 U JP 6484290U JP 2519836 Y2 JP2519836 Y2 JP 2519836Y2
Authority
JP
Japan
Prior art keywords
lens sheet
peripheral frame
screen
sheet
fresnel lens
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
JP1990064842U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0424741U (enrdf_load_stackoverflow
Inventor
敕 前川
幸男 矢田
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 JP1990064842U priority Critical patent/JP2519836Y2/ja
Publication of JPH0424741U publication Critical patent/JPH0424741U/ja
Application granted granted Critical
Publication of JP2519836Y2 publication Critical patent/JP2519836Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1990064842U 1990-06-19 1990-06-19 投写スクリーン Expired - Lifetime JP2519836Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990064842U JP2519836Y2 (ja) 1990-06-19 1990-06-19 投写スクリーン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990064842U JP2519836Y2 (ja) 1990-06-19 1990-06-19 投写スクリーン

Publications (2)

Publication Number Publication Date
JPH0424741U JPH0424741U (enrdf_load_stackoverflow) 1992-02-27
JP2519836Y2 true JP2519836Y2 (ja) 1996-12-11

Family

ID=31596142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990064842U Expired - Lifetime JP2519836Y2 (ja) 1990-06-19 1990-06-19 投写スクリーン

Country Status (1)

Country Link
JP (1) JP2519836Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2567684B2 (ja) * 1988-10-29 1996-12-25 株式会社有沢製作所 透過型スクリーン用フレネルレンズスクリーン

Also Published As

Publication number Publication date
JPH0424741U (enrdf_load_stackoverflow) 1992-02-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term