US Patent 7570423 Projection screen
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Patent abstract
A projection screen (10) includes a plurality of asperities (14) extending from a substrate, the asperities having faces oriented in a plurality of directions. A photosensitive material is disposed preferentially on the faces so that a differing amount of photosensitive material is present on faces oriented generally toward a projector direction (16) relative to faces oriented generally away from the projector direction (18).
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US Patent 07570423 Projection screen US Patent 7570423 Projection screen
Infobox
Patent Number
0757042300
Patent Number
757042300
Edits on 25 May, 2023
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
075704230
Date of Patent
August 4, 2009
0Patent Application Number
116985800
Date Filed
January 25, 2007
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075704230
Date of Patent
August 4, 2009
0Patent Application Number
116985800
Date Filed
January 25, 2007
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07570423 Projection screen
Infobox
Is a
Patent jurisdiction
Patent number
07570423
Date of patent
August 4, 2009
Patent application number
11698580
Date Filed
January 25, 2007
Patent primary examiner
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