Dust removal system, image capture device and dust removal vibration method thereof
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United States of America Patent
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Mar 1, 2016
Grant Date -
Oct 24, 2013
app pub date -
Jun 19, 2012
filing date -
Apr 18, 2012
priority date (Note) -
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Abstract
The invention is directed to a dust removal system, an image capture device and a dust removal vibration method thereof. The dust removal system includes a vibration generation module having a vibration unit which is arranged on a transparent object of an image capture device, and is driven to generate a vibration for dust removal, a vibration detection unit arranged on the transparent object and transform a vibration amplitude into a corresponding electrical signal so as to output a feedback signal continually, a compare unit outputting a control signal when the compare unit determines the feedback signal exceeds the threshold value, and a control unit controlling the vibration generation module based on the control signal to generate the corresponding vibration for dust removal. Thereby, an amplitude of the transparent object can be precisely obtained and the vibration can be precisely adjusted.
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