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Method and apparatus for processing a received message in a communication receiver

  • US 5,410,302 A
  • Filed: 02/01/1993
  • Issued: 04/25/1995
  • Est. Priority Date: 02/01/1993
  • Status: Expired due to Fees
First Claim
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1. A method of processing a message received by a communication receiver comprising a memory for storing a periodically received mail-drop message and an effective length calculated therefor, the mail-drop message including an address and information having an effective length that is substantially constant from one transmission to the next when the mail-drop message is received without any uncorrectable errors, the method comprising the steps of:

  • receiving a new mail-drop message;

    counting uncorrectable errors in the information of the new mail-drop message as received;

    thereafter calculating a new effective length for the new mail-drop message received;

    storing the new mail-drop message and the new effective length calculated therefor in the memory in place of an old mail-drop message and an old effective length calculated therefor, in response to having counted in said counting step a number of uncorrectable errors less than or equal to a predetermined number;

    retaining in the memory the old mail-drop message and the old effective length calculated therefor, in response to having counted in said counting step more than the predetermined number of uncorrectable errors in the information of the new mail-drop message when the new effective length is less than a predetermined fraction of the old effective length; and

    storing the new mail-drop message and the new effective length calculated therefor in the memory in place of the old mail-drop message and the old effective length calculated therefor, in response to having counted in said counting step more than the predetermined number of errors in the information of the new mail-drop message when the new effective length is greater than or equal to a predetermined fraction of the old effective length.

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