Lens module

Details Lens module Lens module

2009-01-06

2010-11-02

Martinez, Joseph (Department: 2873)

Optical: systems and elements

Lens

With support

C359S696000

Reexamination Certificate

active

07826157

ABSTRACT:
A lens module includes an upper coupling element, a spring, a magnet yoke, a plurality of magnets, a coil, a lens holder and a lower coupling element. The magnet yoke is disposed under the spring and has a cylindrical inner wall, multiple extension slices and a top wall. The top wall is outwardly extended from an upper edge of the cylindrical inner wall. The extension slices are downwardly and axially extended from a periphery of the top wall and circumferentially arranged on the top wall at regular intervals. The magnets are attached on inner surfaces of respective extension slices of the magnet yoke. At least two raised structures are circumferentially arranged on the lower periphery of the lens holder. The lower coupling element includes at least two concave structures mating with the raised structures.

REFERENCES:
patent: 7227285 (2007-06-01), Osaka

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