OPTICAL PICKUP
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 30, 2015
app pub date -
Oct 30, 2014
filing date -
Oct 30, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optical pickup includes a pair of first tracking coils near the center of the lens holder in the tracking direction on one side of the holder; a pair of first magnets facing the first tracking coils and near the outer sides of the holder in the tracking direction; a pair of second tracking coils near the outer sides of the holder on another side of the holder; and a pair of second magnets facing the second tracking coils and near the center of the holder. The vertical electromagnetic force F in each of the first tracking coils is larger than the vertical electromagnetic force f in each of the second tracking coils. A distance K between the action center of the force F and the support center of the movable part is shorter than a distance k between the action center of the force f and the support center.
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