Lens module with magnetic field barrier

Details Lens module with magnetic field barrier Lens module with magnetic field barrier

Filed on

2011-01-11

Date issued

2011-01-11

Examiner

Harrington, Alicia M (Department: 2873)

Patent Class

Optical: systems and elements

SubClass

Lens

SubSubClass

With support

Type

Reexamination Certificate

Status

active

Patent number

07869149

Description

ABSTRACT:
An exemplary lens module includes an electromagnetic shutter, an electromagnetic motor and a magnetic field barrier sandwiched between the electromagnetic shutter and the electromagnetic motor. The electromagnetic shutter is configured for generating a first magnetic field. The electromagnetic motor is configured for generating a second magnetic field. The magnetic field barrier is configured for preventing the first magnetic field and the second magnetic field from penetrating therethrough.

REFERENCES:
patent: 2006/0061891 (2006-03-01), Ito et al.

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