JPS63170833U - - Google Patents

Info

Publication number
JPS63170833U
JPS63170833U JP1987063175U JP6317587U JPS63170833U JP S63170833 U JPS63170833 U JP S63170833U JP 1987063175 U JP1987063175 U JP 1987063175U JP 6317587 U JP6317587 U JP 6317587U JP S63170833 U JPS63170833 U JP S63170833U
Authority
JP
Japan
Prior art keywords
projector
fresnel lens
screen
light emitting
emitting section
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
JP1987063175U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522930Y2 (enrdf_load_stackoverflow
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 JP1987063175U priority Critical patent/JPH0522930Y2/ja
Publication of JPS63170833U publication Critical patent/JPS63170833U/ja
Application granted granted Critical
Publication of JPH0522930Y2 publication Critical patent/JPH0522930Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1987063175U 1987-04-24 1987-04-24 Expired - Lifetime JPH0522930Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987063175U JPH0522930Y2 (enrdf_load_stackoverflow) 1987-04-24 1987-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987063175U JPH0522930Y2 (enrdf_load_stackoverflow) 1987-04-24 1987-04-24

Publications (2)

Publication Number Publication Date
JPS63170833U true JPS63170833U (enrdf_load_stackoverflow) 1988-11-07
JPH0522930Y2 JPH0522930Y2 (enrdf_load_stackoverflow) 1993-06-11

Family

ID=30898158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987063175U Expired - Lifetime JPH0522930Y2 (enrdf_load_stackoverflow) 1987-04-24 1987-04-24

Country Status (1)

Country Link
JP (1) JPH0522930Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0522930Y2 (enrdf_load_stackoverflow) 1993-06-11

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