JPS63132944U - - Google Patents

Info

Publication number
JPS63132944U
JPS63132944U JP1987022845U JP2284587U JPS63132944U JP S63132944 U JPS63132944 U JP S63132944U JP 1987022845 U JP1987022845 U JP 1987022845U JP 2284587 U JP2284587 U JP 2284587U JP S63132944 U JPS63132944 U JP S63132944U
Authority
JP
Japan
Prior art keywords
lens
viewer
convex toward
cylindrical face
face piece
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
JP1987022845U
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 JP1987022845U priority Critical patent/JPS63132944U/ja
Publication of JPS63132944U publication Critical patent/JPS63132944U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP1987022845U 1987-02-20 1987-02-20 Pending JPS63132944U (US06650917-20031118-M00005.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987022845U JPS63132944U (US06650917-20031118-M00005.png) 1987-02-20 1987-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987022845U JPS63132944U (US06650917-20031118-M00005.png) 1987-02-20 1987-02-20

Publications (1)

Publication Number Publication Date
JPS63132944U true JPS63132944U (US06650917-20031118-M00005.png) 1988-08-31

Family

ID=30820614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987022845U Pending JPS63132944U (US06650917-20031118-M00005.png) 1987-02-20 1987-02-20

Country Status (1)

Country Link
JP (1) JPS63132944U (US06650917-20031118-M00005.png)

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