Importance

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Abstract

This invention discloses a focusing mechanism and an image pickup device using the same. The focusing mechanism comprises a driving barrel and a focusing lens-barrel. The driving barrel is a hollow barrel structure having at least three direction convex dots formed in an opening at an end of the driving barrel and extending towards the axial center of the driving barrel. The focusing lens-barrel is a hollow barrel structure disposed in the driving barrel and having at least three barrel grooves formed on an external wall of the focusing lens-barrel and corresponding to the at least three direction convex dots respectively. Each direction convex dot is inserted into its respective barrel groove. When the driving barrel is rotated, the at least three barrel grooves of the focusing lens-barrel are towed by the at least direction convex dots to axially move the focusing lens-barrel in the driving barrel.

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First Claim