Optical pickup actuator driving method and apparatus therefor

  • US 6,721,110 B2
  • Filed: 06/19/2002
  • Issued: 04/13/2004
  • Est. Priority Date: 06/19/2001
  • Status: Active Grant
First Claim
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1. A method of driving an optical pickup actuator having a bobbin, a support member, focus and tilt coils, track coils, and magnets, the method comprising:

  • arranging the bobbin on a base of the optical pickup actuator so as to be moved by the support member;

    installing at least one focus and tilt coil to drive the bobbin in focus and tilt directions and at least one track coil to drive the bobbin in a track direction at each of opposite side surfaces of the bobbin;

    arranging the magnets to face corresponding sides of the opposite side surfaces of the bobbin; and

    dividing the focus and tilt coils into at least two sets of coils and applying an input signal to each of the sets.

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