US Patent 11428893 Lens device
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Patent Number
114288930
Date of Patent
August 30, 2022
0Patent Application Number
168341660
Date Filed
March 30, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
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Patent Number
114288930
Date of Patent
August 30, 2022
0Patent Application Number
168341660
Date Filed
March 30, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
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US Patent 11428893 Lens device
Article
A lens device includes a lens barrel and a first lens. The lens barrel includes an object-side end. The first lens is fixed to the object-side end of the lens barrel, is configured to form an optical axis, and includes a minor diameter portion near an object side of the lens device and a major diameter portion near an image side of the lens device. The major diameter portion is connected to the minor diameter portion. A section of the first lens sectioned along the optical axis is higher at a middle portion than at both side portions. The first lens is protruded at the middle portion towards the object side to form a pillar with respect to the both side portions thereof.
Infobox
Is a
Patent Jurisdiction
Patent Number
11428893
Date of Patent
August 30, 2022
Patent Application Number
16834166
Date Filed
March 30, 2020
Patent Citations
Patent Primary Examiner
CPC Code
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