Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 18, 2022
Patent Application Number
16811275
Date Filed
March 6, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
An aperture module includes a rotary plate disposed on a base, an aperture driving unit driving the rotary plate to rotate, and a plurality of blades interlocked with rotation of the rotary plate, and forming an entrance hole having various sizes by combinations thereof, wherein the plurality of blades each have a portion forming the entrance hole in a stepped form.
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