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Methods and apparatus for optical wireless communication

  • US 7,675,509 B2
  • Filed: 01/13/2005
  • Issued: 03/09/2010
  • Est. Priority Date: 01/13/2005
  • Status: Expired due to Fees
First Claim
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1. A combination wireless optical and radio frequency communication system comprising:

  • a transmitter, coupled to a video data source having a source output, the transmitter comprising an optical wireless transmitter to receive video data from the source output and to encode the video data into a laser beam, the transmitter further comprising a receiver simulator having a first shadow memory, and wherein the transmitter further comprises an associated first radio frequency transceiver for sending a query for video format information, and for receiving, in response to the query, video format information corresponding to a preferred format of the display device; and

    a receiver, coupled to a display device, the receiver comprising an optical wireless receiver to receive the laser beam and to decode the video data therefrom, the receiver further comprising a transmitter simulator configured to,poll one or more device registers of a display device andsend updates to the first shadow memory of the receiver simulator for access by the transmitter upon request, where said updates are based on information obtained from said polling of the one or more device registers.

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