Stabilized ball bearings for camera lens
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United States of America Patent
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Issued Date -
Sep 8, 2011
app pub date -
Mar 5, 2010
filing date -
Mar 5, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and methods are disclosed for cameras using ball bearings to guide the movements of movable parts as e.g. a lens barrel wherein the repulsive force of magnets is used to hold the ball bearings together an hence the movable parts in place in case of a mechanical shock. In a first embodiment of the invention the magnets and the ball bearings are on a same side of the lens barrel. In a second embodiment of the invention the magnets and the ball bearings are on an opposite side of the lens barrel. Furthermore a camera has been disclosed wherein the shutter is moved by a linear motor and an integrated circuit controls the motor moving the shutter and the actuators moving the lens barrel.
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