JPS50106622A - - Google Patents

Info

Publication number
JPS50106622A
JPS50106622A JP49012410A JP1241074A JPS50106622A JP S50106622 A JPS50106622 A JP S50106622A JP 49012410 A JP49012410 A JP 49012410A JP 1241074 A JP1241074 A JP 1241074A JP S50106622 A JPS50106622 A JP S50106622A
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
JP49012410A
Other languages
Japanese (ja)
Other versions
JPS5522776B2 (cs
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 JP1241074A priority Critical patent/JPS5522776B2/ja
Publication of JPS50106622A publication Critical patent/JPS50106622A/ja
Priority to US05/860,458 priority patent/US4174883A/en
Publication of JPS5522776B2 publication Critical patent/JPS5522776B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP1241074A 1974-01-29 1974-01-29 Expired JPS5522776B2 (cs)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1241074A JPS5522776B2 (cs) 1974-01-29 1974-01-29
US05/860,458 US4174883A (en) 1974-01-29 1977-12-14 Rear projection screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1241074A JPS5522776B2 (cs) 1974-01-29 1974-01-29

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP10241276A Division JPS5255651A (en) 1976-08-27 1976-08-27 Light-diffusing plate

Publications (2)

Publication Number Publication Date
JPS50106622A true JPS50106622A (cs) 1975-08-22
JPS5522776B2 JPS5522776B2 (cs) 1980-06-19

Family

ID=11804478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1241074A Expired JPS5522776B2 (cs) 1974-01-29 1974-01-29

Country Status (1)

Country Link
JP (1) JPS5522776B2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255651A (en) * 1976-08-27 1977-05-07 Canon Inc Light-diffusing plate

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4421110Y1 (cs) * 1966-01-13 1969-09-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4421110Y1 (cs) * 1966-01-13 1969-09-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255651A (en) * 1976-08-27 1977-05-07 Canon Inc Light-diffusing plate

Also Published As

Publication number Publication date
JPS5522776B2 (cs) 1980-06-19

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