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Method and apparatus for display screens and coupons

  • US 5,557,721 A
  • Filed: 08/18/1993
  • Issued: 09/17/1996
  • Est. Priority Date: 05/01/1990
  • Status: Expired due to Term
First Claim
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1. A method of displaying a screen display in a system including an interconnected host processor and remote processor, the method comprising the steps of:

  • storing in a memory of the remote processor a plurality of sets of data, including a plurality of sets of display data, a plurality of sets of commands, and a plurality of sets of transaction data, each set of display data describing a display screen, each set of commands specifying a set of display data and including a series of commands for controlling display of a display screen, and each set of transaction data corresponding to a transaction to be performed and specifying a set of commands and a scheduled time period to display a display screen, the scheduled time period indicating one or more times of day when a display screen will be displayed;

    sending, by the host processor to the remote processor, a set of data that is one of a set of display data, a set of commands, and a set of transaction data;

    receiving, by the remote processor, the set of data;

    adding, by the remote processor, the received set of data to the plurality of sets of display data, the plurality of sets of commands, or the plurality of sets of transaction data already stored in the memory;

    determining whether the received set of data is a set of transaction data;

    retrieving from the memory of the remote processor a set of commands from the plurality of sets of commands as specified by the received set of transaction data, when the received set of data is a set of transaction data;

    retrieving from the memory of the remote processor a set of display data from the plurality of sets of display data as specified by the retrieved set of commands, when the received set of data is a set of transaction data; and

    displaying, by the remote processor when the set of data is a set of transaction data, a display screen described by the retrieved set of display data, only at the one or more times of day indicated by the scheduled time period as specified in the received set of transaction data.

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