JPS63153247U - - Google Patents

Info

Publication number
JPS63153247U
JPS63153247U JP1987046180U JP4618087U JPS63153247U JP S63153247 U JPS63153247 U JP S63153247U JP 1987046180 U JP1987046180 U JP 1987046180U JP 4618087 U JP4618087 U JP 4618087U JP S63153247 U JPS63153247 U JP S63153247U
Authority
JP
Japan
Prior art keywords
lens
total reflection
sides
screen
lens unit
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
JP1987046180U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0414743Y2 (US08197722-20120612-C00042.png
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 JP1987046180U priority Critical patent/JPH0414743Y2/ja
Publication of JPS63153247U publication Critical patent/JPS63153247U/ja
Application granted granted Critical
Publication of JPH0414743Y2 publication Critical patent/JPH0414743Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1987046180U 1987-03-28 1987-03-28 Expired JPH0414743Y2 (US08197722-20120612-C00042.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987046180U JPH0414743Y2 (US08197722-20120612-C00042.png) 1987-03-28 1987-03-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987046180U JPH0414743Y2 (US08197722-20120612-C00042.png) 1987-03-28 1987-03-28

Publications (2)

Publication Number Publication Date
JPS63153247U true JPS63153247U (US08197722-20120612-C00042.png) 1988-10-07
JPH0414743Y2 JPH0414743Y2 (US08197722-20120612-C00042.png) 1992-04-02

Family

ID=30865604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987046180U Expired JPH0414743Y2 (US08197722-20120612-C00042.png) 1987-03-28 1987-03-28

Country Status (1)

Country Link
JP (1) JPH0414743Y2 (US08197722-20120612-C00042.png)

Also Published As

Publication number Publication date
JPH0414743Y2 (US08197722-20120612-C00042.png) 1992-04-02

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