JPH0331946Y2 - - Google Patents

Info

Publication number
JPH0331946Y2
JPH0331946Y2 JP1981195293U JP19529381U JPH0331946Y2 JP H0331946 Y2 JPH0331946 Y2 JP H0331946Y2 JP 1981195293 U JP1981195293 U JP 1981195293U JP 19529381 U JP19529381 U JP 19529381U JP H0331946 Y2 JPH0331946 Y2 JP H0331946Y2
Authority
JP
Japan
Prior art keywords
fresnel
fresnel reflector
base
reflector
corners
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.)
Expired
Application number
JP1981195293U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5898634U (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 JP19529381U priority Critical patent/JPS5898634U/ja
Publication of JPS5898634U publication Critical patent/JPS5898634U/ja
Application granted granted Critical
Publication of JPH0331946Y2 publication Critical patent/JPH0331946Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP19529381U 1981-12-26 1981-12-26 反射型オ−バ−ヘツドプロジエクタ− Granted JPS5898634U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19529381U JPS5898634U (ja) 1981-12-26 1981-12-26 反射型オ−バ−ヘツドプロジエクタ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19529381U JPS5898634U (ja) 1981-12-26 1981-12-26 反射型オ−バ−ヘツドプロジエクタ−

Publications (2)

Publication Number Publication Date
JPS5898634U JPS5898634U (ja) 1983-07-05
JPH0331946Y2 true JPH0331946Y2 (enrdf_load_stackoverflow) 1991-07-08

Family

ID=30108573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19529381U Granted JPS5898634U (ja) 1981-12-26 1981-12-26 反射型オ−バ−ヘツドプロジエクタ−

Country Status (1)

Country Link
JP (1) JPS5898634U (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52105427U (enrdf_load_stackoverflow) * 1976-02-06 1977-08-11
JPS52105817A (en) * 1976-03-01 1977-09-05 Minolta Camera Co Ltd Removably holding device for focal plate of camera

Also Published As

Publication number Publication date
JPS5898634U (ja) 1983-07-05

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