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Tricolor LED display system having audio output

  • US 6,683,590 B1
  • Filed: 11/10/2000
  • Issued: 01/27/2004
  • Est. Priority Date: 03/20/1998
  • Status: Expired due to Term
First Claim
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1. A tricolor LED display system, comprising:

  • a transmitter sub-system for simultaneously transmitting visible display signals and modulated visible light signals through a tricolor LED display, wherein the modulated visible light signals carry modulated audio information; and

    a receiver sub-system for receiving the modulated visible light signals and for demodulating the visible light signals to recover the transmitted audio information.

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