Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chun-Wei Liang0
Li-Chun Liao0
Ching-Hsiang Yu0
Date of Patent
February 15, 2011
Patent Application Number
12057925
Date Filed
March 28, 2008
Patent Primary Examiner
Patent abstract
A dynamic aperture device includes a motor, a light shielding element and a balancer. The motor has a shaft. The light shielding element has a light shielding portion and a hub connected to the light shielding portion. The hub is coupled to the shaft. The balancer is disposed on the light shielding element, the hub or the shaft.
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