Mobile telephone capable of displaying world time and method for controlling the same

  • US 7,069,055 B1
  • Filed: 07/17/1998
  • Issued: 06/27/2006
  • Est. Priority Date: 07/17/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for displaying local time information, comprising:

  • means for storing Greenwich mean time (GMT) information for each of a plurality of cities;

    means for receiving a reference time from a signal received from a remote system;

    means for counting a duration of time that elapses from when said reference time is acquired;

    means for selecting at least one of said plurality of cities and automatically calculating a local time of said selected city, said local time being based on a difference between the GMT of said selected city and the GMT of a present location of said apparatus, said reference time and said elapsed time; and

    means for outputting said local time.

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