Camera module

Details Camera module Camera module

2008-07-22

2010-11-02

Perkey, W. B. (Department: 2862)

Photography

Camera detail

Lens mount

C396S133000

Reexamination Certificate

active

07824115

ABSTRACT:
An exemplary camera module includes a lens mount, a lens unit, a magnet unit, a printed circuit board (PCB)-based Rogowski coil and a blade spring. The PCB-based Rogowski coil is fixed around the lens unit. The PCB-based Rogowski coil establishes an induced magnetic field when an electric current is applied thereto. The induced magnetic field interacts with the magnet unit to generate a magnetic force moving the lens unit telescopically. The blade spring includes a plurality of ribs. Each rib includes a moveable end connected with the lens unit and an opposite fixed end. The moveable end moves together with the lens unit with respect to the fixed end to cause the ribs to distort and generate an elastic force. The lens unit stops at a focal position when the magnetic force and the elastic force come to a balance.

REFERENCES:
patent: 7227442 (2007-06-01), Skendzic
patent: 7400463 (2008-07-01), Wu
patent: 2007/0115565 (2007-05-01), Shyu et al.
patent: 2008/0259468 (2008-10-01), Chung
patent: 2009/0252488 (2009-10-01), Eromaki et al.
patent: 2842489 (2006-11-01), None

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