JPH0197328U - - Google Patents

Info

Publication number
JPH0197328U
JPH0197328U JP1987193471U JP19347187U JPH0197328U JP H0197328 U JPH0197328 U JP H0197328U JP 1987193471 U JP1987193471 U JP 1987193471U JP 19347187 U JP19347187 U JP 19347187U JP H0197328 U JPH0197328 U JP H0197328U
Authority
JP
Japan
Prior art keywords
screen
lens
total reflection
back side
angle
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
JP1987193471U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0455315Y2 (US06826419-20041130-M00005.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 JP1987193471U priority Critical patent/JPH0455315Y2/ja
Publication of JPH0197328U publication Critical patent/JPH0197328U/ja
Application granted granted Critical
Publication of JPH0455315Y2 publication Critical patent/JPH0455315Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1987193471U 1987-12-22 1987-12-22 Expired JPH0455315Y2 (US06826419-20041130-M00005.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987193471U JPH0455315Y2 (US06826419-20041130-M00005.png) 1987-12-22 1987-12-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987193471U JPH0455315Y2 (US06826419-20041130-M00005.png) 1987-12-22 1987-12-22

Publications (2)

Publication Number Publication Date
JPH0197328U true JPH0197328U (US06826419-20041130-M00005.png) 1989-06-28
JPH0455315Y2 JPH0455315Y2 (US06826419-20041130-M00005.png) 1992-12-25

Family

ID=31484258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987193471U Expired JPH0455315Y2 (US06826419-20041130-M00005.png) 1987-12-22 1987-12-22

Country Status (1)

Country Link
JP (1) JPH0455315Y2 (US06826419-20041130-M00005.png)

Also Published As

Publication number Publication date
JPH0455315Y2 (US06826419-20041130-M00005.png) 1992-12-25

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