JPS49116912A - - Google Patents

Info

Publication number
JPS49116912A
JPS49116912A JP48028117A JP2811773A JPS49116912A JP S49116912 A JPS49116912 A JP S49116912A JP 48028117 A JP48028117 A JP 48028117A JP 2811773 A JP2811773 A JP 2811773A JP S49116912 A JPS49116912 A JP S49116912A
Authority
JP
Japan
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
JP48028117A
Other languages
Japanese (ja)
Other versions
JPS5617649B2 (enExample
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 JP2811773A priority Critical patent/JPS5617649B2/ja
Publication of JPS49116912A publication Critical patent/JPS49116912A/ja
Publication of JPS5617649B2 publication Critical patent/JPS5617649B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP2811773A 1973-03-10 1973-03-10 Expired JPS5617649B2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2811773A JPS5617649B2 (enExample) 1973-03-10 1973-03-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2811773A JPS5617649B2 (enExample) 1973-03-10 1973-03-10

Publications (2)

Publication Number Publication Date
JPS49116912A true JPS49116912A (enExample) 1974-11-08
JPS5617649B2 JPS5617649B2 (enExample) 1981-04-23

Family

ID=12239850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2811773A Expired JPS5617649B2 (enExample) 1973-03-10 1973-03-10

Country Status (1)

Country Link
JP (1) JPS5617649B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565502A (en) * 1979-06-26 1981-01-21 Sony Corp Optical path converting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463569A (en) * 1965-10-22 1969-08-26 Freen Ltd Rear projection screen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463569A (en) * 1965-10-22 1969-08-26 Freen Ltd Rear projection screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565502A (en) * 1979-06-26 1981-01-21 Sony Corp Optical path converting device

Also Published As

Publication number Publication date
JPS5617649B2 (enExample) 1981-04-23

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