System and method for transmitting data in an optical traffic preemption system

  • US 5,172,113 A
  • Filed: 10/24/1991
  • Issued: 12/15/1992
  • Est. Priority Date: 10/24/1991
  • Status: Expired due to Term
First Claim
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1. A method of optically transmitting data comprising:

  • emitting a stream of light pulses which include priority pulses occurring at a repetition rate and data pulses interleaved with the priority pulses, wherein each light pulse is separated from an adjoining light pulse by one of n predetermined time intervals;

    receiving the stream of light pulses;

    producing a received signal that represents the stream of light pulses;

    identifying received light pulses that are separated from one another by one of the n predetermined time intervals;

    sorting data pulses from priority pulses based on the predetermined time intervals separating identified light pulses; and

    assembling data derived from the priority pulses, the data pulses and the predetermined time intervals.

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