JPS60112237U - オ−バヘツドプロジエクタ - Google Patents

オ−バヘツドプロジエクタ

Info

Publication number
JPS60112237U
JPS60112237U JP20288483U JP20288483U JPS60112237U JP S60112237 U JPS60112237 U JP S60112237U JP 20288483 U JP20288483 U JP 20288483U JP 20288483 U JP20288483 U JP 20288483U JP S60112237 U JPS60112237 U JP S60112237U
Authority
JP
Japan
Prior art keywords
overhead projector
lens part
head
reflective fresnel
fresnel plate
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
JP20288483U
Other languages
English (en)
Japanese (ja)
Other versions
JPH028274Y2 (enrdf_load_stackoverflow
Inventor
穂苅　三郎
博光 中野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Optical Industries Co Ltd
Ricoh Co Ltd
Original Assignee
Ricoh Optical Industries Co Ltd
Ricoh Co Ltd
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 by Ricoh Optical Industries Co Ltd, Ricoh Co Ltd filed Critical Ricoh Optical Industries Co Ltd
Priority to JP20288483U priority Critical patent/JPS60112237U/ja
Publication of JPS60112237U publication Critical patent/JPS60112237U/ja
Application granted granted Critical
Publication of JPH028274Y2 publication Critical patent/JPH028274Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP20288483U 1983-12-29 1983-12-29 オ−バヘツドプロジエクタ Granted JPS60112237U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20288483U JPS60112237U (ja) 1983-12-29 1983-12-29 オ−バヘツドプロジエクタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20288483U JPS60112237U (ja) 1983-12-29 1983-12-29 オ−バヘツドプロジエクタ

Publications (2)

Publication Number Publication Date
JPS60112237U true JPS60112237U (ja) 1985-07-30
JPH028274Y2 JPH028274Y2 (enrdf_load_stackoverflow) 1990-02-27

Family

ID=30765311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20288483U Granted JPS60112237U (ja) 1983-12-29 1983-12-29 オ−バヘツドプロジエクタ

Country Status (1)

Country Link
JP (1) JPS60112237U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH028274Y2 (enrdf_load_stackoverflow) 1990-02-27

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