JPH0424741U - - Google Patents

Info

Publication number
JPH0424741U
JPH0424741U JP6484290U JP6484290U JPH0424741U JP H0424741 U JPH0424741 U JP H0424741U JP 6484290 U JP6484290 U JP 6484290U JP 6484290 U JP6484290 U JP 6484290U JP H0424741 U JPH0424741 U JP H0424741U
Authority
JP
Japan
Prior art keywords
screen
projection screen
fresnel lens
surrounding frame
projection
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.)
Granted
Application number
JP6484290U
Other languages
English (en)
Japanese (ja)
Other versions
JP2519836Y2 (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 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 true JPH0424741U (cs) 1992-02-27
JP2519836Y2 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 (cs)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02120729A (ja) * 1988-10-29 1990-05-08 Arisawa Mfg Co Ltd 透過型スクリーン用フレネルレンズスクリーン

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02120729A (ja) * 1988-10-29 1990-05-08 Arisawa Mfg Co Ltd 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
JP2519836Y2 (ja) 1996-12-11

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term