VOICE COIL MOTOR AND BRUSH UNIT COMPRISING IT
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United States of America Patent
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Issued Date -
Oct 20, 2016
app pub date -
Jun 18, 2014
filing date -
Jun 18, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A voice coil motor comprising a stator having a magnetic circuit comprising permanent magnets magnetized in predetermined directions, and a yoke; a mover comprising a driven member connected to an end thereof, and a coreless coil perpendicular to the magnetic flux of the permanent magnets, the mover being linearly movably supported by the stator; and a spring for applying an elastic force to the mover in a direction separating the driven member from the stator, and a brush unit comprising such a voice coil motor.
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