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Method of aligning a driving force with respect to a movable element using mechanical resonance

  • US 20030174932A1
  • Filed: 03/18/2002
  • Published: 09/18/2003
  • Est. Priority Date: 03/18/2002
  • Status: Active Grant
First Claim
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1. A method of reducing movement of a reflector in an unintended mechanical mode during movement of the reflector in an intended mechanical mode, the method comprising:

  • using a reflector driver to apply a distribution of forces to the reflector so as to move the reflector both in the intended mechanical mode and in the unintended mechanical mode, the distribution of forces applied at a resonant frequency of the unintended mechanical mode; and

    adjusting the reflector driver to alter the distribution of forces applied to the reflector such that the movement of the reflector in the unintended mechanical mode is reduced.

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