JPS5898634U - 反射型オ−バ−ヘツドプロジエクタ− - Google Patents

反射型オ−バ−ヘツドプロジエクタ−

Info

Publication number
JPS5898634U
JPS5898634U JP19529381U JP19529381U JPS5898634U JP S5898634 U JPS5898634 U JP S5898634U JP 19529381 U JP19529381 U JP 19529381U JP 19529381 U JP19529381 U JP 19529381U JP S5898634 U JPS5898634 U JP S5898634U
Authority
JP
Japan
Prior art keywords
overhead projector
hook
fresnel reflector
base
reflective
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
JP19529381U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0331946Y2 (enrdf_load_stackoverflow
Inventor
津島　邦彦
Original Assignee
株式会社学習研究社
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 株式会社学習研究社 filed Critical 株式会社学習研究社
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 true JPS5898634U (ja) 1983-07-05
JPH0331946Y2 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)

Citations (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

Patent Citations (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
JPH0331946Y2 (enrdf_load_stackoverflow) 1991-07-08

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