JPH0162539U - - Google Patents

Info

Publication number
JPH0162539U
JPH0162539U JP1987158027U JP15802787U JPH0162539U JP H0162539 U JPH0162539 U JP H0162539U JP 1987158027 U JP1987158027 U JP 1987158027U JP 15802787 U JP15802787 U JP 15802787U JP H0162539 U JPH0162539 U JP H0162539U
Authority
JP
Japan
Prior art keywords
groove
lenticular lens
concentrating part
external light
absorption layer
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
JP1987158027U
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 JP1987158027U priority Critical patent/JPH0162539U/ja
Publication of JPH0162539U publication Critical patent/JPH0162539U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1987158027U 1987-10-15 1987-10-15 Pending JPH0162539U (US06623731-20030923-C00012.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987158027U JPH0162539U (US06623731-20030923-C00012.png) 1987-10-15 1987-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987158027U JPH0162539U (US06623731-20030923-C00012.png) 1987-10-15 1987-10-15

Publications (1)

Publication Number Publication Date
JPH0162539U true JPH0162539U (US06623731-20030923-C00012.png) 1989-04-21

Family

ID=31437986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987158027U Pending JPH0162539U (US06623731-20030923-C00012.png) 1987-10-15 1987-10-15

Country Status (1)

Country Link
JP (1) JPH0162539U (US06623731-20030923-C00012.png)

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