Lorentz actuator for miniature camera
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United States of America Patent
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N/A
Issued Date -
Aug 31, 2006
app pub date -
Oct 31, 2005
filing date -
Feb 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An actuator for miniature cameras and the like is disclosed. The actuator can comprise a plurality of magnets and a plurality of coils disposed generally symmetrically with respect to the magnets. The magnets and the coils are configured so that they cooperate in order to effect substantially linear movement due to a Lorentz force therebetween. In this manner, undesirable rotational forces can be substantially mitigated. The actuator can be used to effect movement of optical elements to facilitate variable focus, zoom, and/or image stabilization, for example.
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