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User interface for a radio telephone

  • US 6,453,179 B1
  • Filed: 03/27/2000
  • Issued: 09/17/2002
  • Est. Priority Date: 11/22/1996
  • Status: Expired due to Term
First Claim
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1. A radiotelephone comprising a user interface and a controller unit connected to the user interface, said user interface comprising:

  • a display and a keypad having an operation key whose function is controlled by the controller unit and is displayed in the display;

    said radiotelephone being capable of assuming a plurality of states in which a group of predetermined actions associated with the state concerned may be performed by means of said operation key;

    said controller unit dedicates an action from said group of actions as a default function for the operation key by recording a frequency of use of each function of the phone in each state of the phone and selecting a most frequently used function for each state of the phone to be a predetermined default function for that state;

    a scroll key to scroll between actions included in said group of actions available for said operation key; and

    said controller unit displays the action presently dedicated to the operation key.

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