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Browse Prior Art Database

AUTOMATIC TIME ADJUSTMENT

IP.com Disclosure Number: IPCOM000006358D
Original Publication Date: 1992-May-01
Included in the Prior Art Database: 2001-Dec-27
Document File: 2 page(s) / 72K

Publishing Venue

Motorola

Related People

Patrick S. Kung: AUTHOR

Abstract

The traditional time tracking device requires the user to adjust the clock while passing a time zone. For synthesizer pager users, it has become an annoy- ing factor for adjusting the time while traveling from city to city. If the customer forgets to adjust the clock, both the time stamp and clock will he wrong and it may have some major impact if the time stamp is a critical application.

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MOTOROLA INC. Technical Developments Qolume 15 May 1992

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AUTOMATIC TIME ADJUSTMENT 1

by Patrick S. Kung

  The traditional time tracking device requires the user to adjust the clock while passing a time zone. For synthesizer pager users, it has become an annoy- ing factor for adjusting the time while traveling from city to city. If the customer forgets to adjust the clock, both the time stamp and clock will he wrong and it may have some major impact if the time stamp is a critical application.

  When a synthesizer pager is equipped with a fea- ture for a "friendly" frequency change, the user does not need to memorize the specitic frequency associated with different cities. All he or she has to do is go through the proper sequence and select the name of the city he or she wants to sign up. The frequency information for each different city is loaded in the code plug. Upon selec- tion of a new city, the on board u-computer will read the code plug information and instruct the synthesizer

receiver for a frequency change. For pagers which are equipped with a real time clock, however, a manual change of the clock is still mquired if the user wants to change from city to city.

  The subject invention &I resolve the aforementioned problem by automatically adjusting the clock to the new time zone each time the frequency is changed. The user does not need to track which time zone he or she is in and how much adjustment has to he made. As indi- cated in Figure 1, upon pro~amm...