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Feature access control in a display-based terminal environment

  • US 6,567,075 B1
  • Filed: 03/19/1999
  • Issued: 05/20/2003
  • Est. Priority Date: 03/19/1999
  • Status: Expired due to Term
First Claim
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1. A method of controlling a wireless terminal in a communication system, the method comprising the steps of:

  • associating a set of label identifiers for a plurality of soft-labeled keys of the terminal with one of a plurality of states of a state machine that controls the soft-labeled keys of the terminal, wherein each of the label identifiers specifies a label to be associated with a given one of the soft-labeled keys of the terminal in a given one of the states; and

    utilizing the label identifiers to generate a display including a set of labels for the plurality of soft-labeled keys;

    wherein the associating step includes storing a control table specifying a set of label identifiers for each of at least a subset of the plurality of states of the state machine, the soft-labeled keys being controlled in accordance with the state machine with each of at least a subset of the states of the state machine having a corresponding entry in the control table and an associated set of label identifiers, the state machine being configured to run substantially in its entirety within the terminal, and wherein the utilizing step includes utilizing the set of label identifiers associated with a given one of the states to access a stored label table that specifies the corresponding set of labels, each of the label identifiers in the set of label identifiers associated with the control table entry for the given state serving as a pointer into the label table which specifies, for a given one of the label identifiers, a corresponding label for one of the soft-labeled keys in the given state, the label table thereby providing a single point of update for multiple occurrences of a particular label in the plurality of states.

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