Barrel driving mechanism and image pickup device thereof
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United States of America Patent
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Nov 25, 2014
Grant Date -
May 30, 2013
app pub date -
Jan 27, 2012
filing date -
Nov 24, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A barrel driving mechanism and an image pickup device thereof. The barrel driving mechanism comprises a fixing-barrel, a driving-barrel and a moving-barrel. The fixing-barrel has a first groove with a first stop-position and a first position. The driving-barrel disposed in the fixing-barrel has a second groove with a second stop-position and a second position. The driving-barrel has a first guiding protrusion inserted into the first groove. The moving-barrel disposed in the driving-barrel having a second guiding protrusion is inserted into the second groove. Wherein, the first stop-position to the first position and the second stop-position to the second position are slanted grooves. When the driving-barrel is rotated, the driving-barrel shifts a first axial distance and the moving-barrel shifts a second axial distance. The sum of the first axial distance and the second axial distance equals the total displacement of the moving barrel.
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