US Patent 11480856 Projection lens
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Edits on 16 Oct, 2023
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Patent Inventor Names
Hironobu Kayano0
Hitoshi Shimizu0
Tetsuo Kamigaki0
Yasuto Kuroda0
Edits on 25 Apr, 2023
Golden AI
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Patent Citations
Edits on 28 Oct, 2022
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US Patent 11480856 Projection lens
Article
There is provided a projection lens that is mounted on a housing of a projection device including an electro-optical element. The projection lens includes a first holding frame through which light emitted from the housing passes, a second reflective part that refracts an optical axis of light emitted from the first holding frame and includes a pair of side surfaces facing each other, and a second holding frame that holds the second reflective part and includes a pair of first holes provided at positions corresponding to the pair of side surfaces; and each of the pair of side surfaces has a gap between itself and the second holding frame.
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Patent Jurisdiction
Patent Number
114808560
Date of Patent
October 25, 2022
0Patent Application Number
172444590
Date Filed
April 29, 2021
0Patent Citations
Patent Primary Examiner
CPC Code
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