JPS6246445U - - Google Patents

Info

Publication number
JPS6246445U
JPS6246445U JP1985137554U JP13755485U JPS6246445U JP S6246445 U JPS6246445 U JP S6246445U JP 1985137554 U JP1985137554 U JP 1985137554U JP 13755485 U JP13755485 U JP 13755485U JP S6246445 U JPS6246445 U JP S6246445U
Authority
JP
Japan
Prior art keywords
fresnel lens
lens sheet
schematic diagram
diagram showing
convex
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
JP1985137554U
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 JP1985137554U priority Critical patent/JPS6246445U/ja
Publication of JPS6246445U publication Critical patent/JPS6246445U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1985137554U 1985-09-10 1985-09-10 Pending JPS6246445U (US07714131-20100511-C00038.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985137554U JPS6246445U (US07714131-20100511-C00038.png) 1985-09-10 1985-09-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985137554U JPS6246445U (US07714131-20100511-C00038.png) 1985-09-10 1985-09-10

Publications (1)

Publication Number Publication Date
JPS6246445U true JPS6246445U (US07714131-20100511-C00038.png) 1987-03-20

Family

ID=31041716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985137554U Pending JPS6246445U (US07714131-20100511-C00038.png) 1985-09-10 1985-09-10

Country Status (1)

Country Link
JP (1) JPS6246445U (US07714131-20100511-C00038.png)

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