Actuator, method of controlling the same, and camera module...

Details Actuator, method of controlling the same, and camera module... Actuator, method of controlling the same, and camera module...

2011-01-11

2011-01-11

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C396S055000

Reexamination Certificate

active

07869150

ABSTRACT:
An actuator used for a camera module and controlling a lens assembly to move along an optical axis, includes a magnet disposed on a side of the lens assembly, a coil part disposed within a magnetic field of the magnet and controlling an up-and-down movement of the lens assembly when an electric power is applied, and a yoke part disposed to horizontally move the magnet disposed on the side of the lens assembly. The lens assembly is provided with a friction-generating member generating a frictional force to the lens assembly in an opposite direction to a direction in which the lens assembly moves to the yoke part.

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patent: 5969886 (1999-10-01), Sato et al.
patent: 6188530 (2001-02-01), Katsuragi
patent: 7426081 (2008-09-01), Paik et al.
patent: 10-2007-0084961 (2007-08-01), None
patent: 10-2008-0039239 (2008-05-01), None
patent: 10-2008-0068369 (2008-07-01), None

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