JPH03127335U - - Google Patents

Info

Publication number
JPH03127335U
JPH03127335U JP3581490U JP3581490U JPH03127335U JP H03127335 U JPH03127335 U JP H03127335U JP 3581490 U JP3581490 U JP 3581490U JP 3581490 U JP3581490 U JP 3581490U JP H03127335 U JPH03127335 U JP H03127335U
Authority
JP
Japan
Prior art keywords
fresnel lens
projection
parallel
overhead projector
reflecting mirrors
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
JP3581490U
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 JP3581490U priority Critical patent/JPH03127335U/ja
Publication of JPH03127335U publication Critical patent/JPH03127335U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP3581490U 1990-04-03 1990-04-03 Pending JPH03127335U (US20110009641A1-20110113-C00185.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3581490U JPH03127335U (US20110009641A1-20110113-C00185.png) 1990-04-03 1990-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3581490U JPH03127335U (US20110009641A1-20110113-C00185.png) 1990-04-03 1990-04-03

Publications (1)

Publication Number Publication Date
JPH03127335U true JPH03127335U (US20110009641A1-20110113-C00185.png) 1991-12-20

Family

ID=31541499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3581490U Pending JPH03127335U (US20110009641A1-20110113-C00185.png) 1990-04-03 1990-04-03

Country Status (1)

Country Link
JP (1) JPH03127335U (US20110009641A1-20110113-C00185.png)

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