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Method and apparatus for providing power to a visual messaging system for high-speed networks

  • US 6,844,823 B2
  • Filed: 04/07/2003
  • Issued: 01/18/2005
  • Est. Priority Date: 02/10/1999
  • Status: Expired due to Term
First Claim
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1. A method for providing power to a visual messaging device, comprising:

  • (a) providing a relatively low direct current (DC) voltage, high current;

    (b) providing a source of alternating current (AC) at a remote location from a relatively low direct current voltage, high current device for providing a first AC voltage;

    (c) converting at a remote location from said first AC voltage from said AC source to a first DC voltage; and

    (d) converting said first DC voltage to a second DC voltage and supplying said second DC voltage to a relatively low direct current voltage, high current device.

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