Linear micro motor

Details Linear micro motor Linear micro motor

2008-06-11

2009-12-15

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S824000, C396S075000

Reexamination Certificate

active

07633687

ABSTRACT:
The present invention relates to a linear micro motor having an forward and backward reciprocating motion. The linear micro motor includes at least two actuators which can be a scratch drive actuator (SDA), a bounce drive actuator (BDA) or a combination thereof. To achieve the reciprocating motion, the linear micro motor is arranged in a way that at least two SDAs are disposed in an opposite manner, at least two BDAs are disposed in an opposite manner, or at least a SDA and at least a BDA are disposed in an identical manner. The linear micro motor of the present invention in accordance with the arrangement of the actuators can be realized to be applicable to a digital camera or camera phone by the advancing and receding linear motion caused by the motion of the actuators to achieve a focus-adjustable liquid crystal lens.

REFERENCES:
patent: 5365296 (1994-11-01), Murakami et al.
patent: 2008/0280231 (2008-11-01), Horng et al.
patent: 96116451 (2009-05-01), None

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