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Magnetic recording method and circuit for toll road ticket

  • US 5,274,218 A
  • Filed: 09/09/1991
  • Issued: 12/28/1993
  • Est. Priority Date: 09/07/1990
  • Status: Expired due to Fees
First Claim
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1. A method of reading information from a toll road ticket comprising the steps of:

  • detecting a mark formed on a roll road ticket indicating a magnetic recording density;

    selecting, in accordance with a result of the detecting step, a magnetic record demodulating means for demodulating an output signal of a read head; and

    reading with the read head information recorded magnetically in a magnetic stripe of the ticket.

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