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Decryption and encryption transmitter/receiver with self-test, learn and rolling code

  • US 6,028,527 A
  • Filed: 11/25/1996
  • Issued: 02/22/2000
  • Est. Priority Date: 11/25/1996
  • Status: Expired due to Term
First Claim
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1. A computer implemented method for transmitting or receiving an information signal, comprising the steps of:

  • establishing a start position for a receive mode to receive the information signal;

    returning to said start position when less than or equal to 8 sync pulses are received to identify a transmission of said information signal; and

    returning to said start position when 40 symbols are not received to provide data while in said receive mode.

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