US Patent 7946716 Imaging system and optical engine
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Edits on 28 Nov, 2023
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Patent abstract
An imaging system and an optical engine comprising the imaging system are provided. The imaging system in this invention at least comprises a lens assembly, a light valve, and a Fresnel lens. The Fresnel lens is formed with a receiving portion adapted to correspondingly receive at least one portion of the lens assembly and replaces the conventional aspheric lens to focus a light ray onto the light valve. The light valve reflects the light ray into the lens assembly for imaging. Thereby, the Fresnel lens is adapted to decrease the surface area of the receiving portion to eliminate the influence of stray light on the imaging quality and to economize lens material costs.
Edits on 21 May, 2023
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US Patent 07946716 Imaging system and optical engine US Patent 7946716 Imaging system and optical engine
Infobox
Patent Number
0794671600
Patent Number
794671600
Edits on 2 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079467160
Date of Patent
May 24, 2011
0Patent Application Number
121704790
Date Filed
July 10, 2008
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079467160
Date of Patent
May 24, 2011
0Patent Application Number
121704790
Date Filed
July 10, 2008
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
Edits made to:
Infobox (+7 properties)
US Patent 07946716 Imaging system and optical engine
Infobox
Is a
Patent jurisdiction
Patent number
07946716
Date of patent
May 24, 2011
Patent application number
12170479
Date Filed
July 10, 2008
Patent primary examiner
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