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Drive unit for optical switch

  • US 7,035,496 B2
  • Filed: 03/15/2002
  • Issued: 04/25/2006
  • Est. Priority Date: 10/30/2001
  • Status: Active Grant
First Claim
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1. A drive unit for controlling optical paths of an optical switch having at least one optical switch element and at least one pair of electrodes arranged near said movable optical switch element, each pair including a first electrode and a second electrode provided at a position opposite to said first electrode,said drive unit comprising at least one drive circuit for said at least one movable optical switch element, respectively, said drive circuit having a separating part for separating voltages into positive and negative voltages and a output for supplying said positive voltages to to said first electrode and negative voltages to said second eletrode to generate electrostatic forces between said movable optical swicth element and each of said first and second electrodes to control at least one of said paths.

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