JPS63170835U - - Google Patents

Info

Publication number
JPS63170835U
JPS63170835U JP1987064856U JP6485687U JPS63170835U JP S63170835 U JPS63170835 U JP S63170835U JP 1987064856 U JP1987064856 U JP 1987064856U JP 6485687 U JP6485687 U JP 6485687U JP S63170835 U JPS63170835 U JP S63170835U
Authority
JP
Japan
Prior art keywords
fresnel lens
screen
entire screen
driving
movably
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
JP1987064856U
Other languages
English (en)
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 JP1987064856U priority Critical patent/JPS63170835U/ja
Publication of JPS63170835U publication Critical patent/JPS63170835U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1987064856U 1987-04-27 1987-04-27 Pending JPS63170835U (US07179912-20070220-C00144.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987064856U JPS63170835U (US07179912-20070220-C00144.png) 1987-04-27 1987-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987064856U JPS63170835U (US07179912-20070220-C00144.png) 1987-04-27 1987-04-27

Publications (1)

Publication Number Publication Date
JPS63170835U true JPS63170835U (US07179912-20070220-C00144.png) 1988-11-07

Family

ID=30901396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987064856U Pending JPS63170835U (US07179912-20070220-C00144.png) 1987-04-27 1987-04-27

Country Status (1)

Country Link
JP (1) JPS63170835U (US07179912-20070220-C00144.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04130879A (ja) * 1990-09-21 1992-05-01 Fujitsu General Ltd 画像表示用スクリーン装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04130879A (ja) * 1990-09-21 1992-05-01 Fujitsu General Ltd 画像表示用スクリーン装置

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