JPS6347866Y2 - - Google Patents

Info

Publication number
JPS6347866Y2
JPS6347866Y2 JP1980015944U JP1594480U JPS6347866Y2 JP S6347866 Y2 JPS6347866 Y2 JP S6347866Y2 JP 1980015944 U JP1980015944 U JP 1980015944U JP 1594480 U JP1594480 U JP 1594480U JP S6347866 Y2 JPS6347866 Y2 JP S6347866Y2
Authority
JP
Japan
Prior art keywords
pitch
cylindrical lens
observation range
image brightness
lenticular 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
Application number
JP1980015944U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56117743U (en]
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 JP1980015944U priority Critical patent/JPS6347866Y2/ja
Publication of JPS56117743U publication Critical patent/JPS56117743U/ja
Application granted granted Critical
Publication of JPS6347866Y2 publication Critical patent/JPS6347866Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1980015944U 1980-02-08 1980-02-08 Expired JPS6347866Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980015944U JPS6347866Y2 (en]) 1980-02-08 1980-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980015944U JPS6347866Y2 (en]) 1980-02-08 1980-02-08

Publications (2)

Publication Number Publication Date
JPS56117743U JPS56117743U (en]) 1981-09-09
JPS6347866Y2 true JPS6347866Y2 (en]) 1988-12-09

Family

ID=29612379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980015944U Expired JPS6347866Y2 (en]) 1980-02-08 1980-02-08

Country Status (1)

Country Link
JP (1) JPS6347866Y2 (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791712A (en) * 1971-04-20 1974-02-12 Matsushita Electric Ind Co Ltd Projection screen
DE2238466A1 (de) * 1971-08-24 1973-03-08 Polaroid Corp Rueckprojektionsvorrichtung
BE792745A (fr) * 1971-12-15 1973-03-30 Freen Ltd Ecran pour projection par transparence

Also Published As

Publication number Publication date
JPS56117743U (en]) 1981-09-09

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