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AU146067B2 - Improvements in or relating to screens for optical projection - Google Patents
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AU146067B2 - Improvements in or relating to screens for optical projection - Google Patents

Improvements in or relating to screens for optical projection

Info

Publication number
AU146067B2
AU146067B2 AU21794/48A AU2179448A AU146067B2 AU 146067 B2 AU146067 B2 AU 146067B2 AU 21794/48 A AU21794/48 A AU 21794/48A AU 2179448 A AU2179448 A AU 2179448A AU 146067 B2 AU146067 B2 AU 146067B2
Authority
AU
Australia
Prior art keywords
screens
relating
optical projection
projection
optical
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
AU21794/48A
Other versions
AU2179448A (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU146067B2 publication Critical patent/AU146067B2/en
Publication of AU2179448A publication Critical patent/AU2179448A/en
Expired legal-status Critical Current

Links

AU21794/48A 1948-07-12 Improvements in or relating to screens for optical projection Expired AU146067B2 (en)

Publications (2)

Publication Number Publication Date
AU146067B2 true AU146067B2 (en) 1948-08-12
AU2179448A AU2179448A (en) 1948-08-12

Family

ID=

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