Method and apparatus for time calibration

Details Method and apparatus for time calibration Method and apparatus for time calibration

2007-08-14

2007-08-14

D'Agosta, Steve M. (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S414100, C455S435100, C455S456200, C342S357490, C342S357490

Reexamination Certificate

active

11176895

ABSTRACT:
A local time is modified according to a radio wave time received from a time calibration signal transmitting station, as well as corrected according to an authentic time that is received from a time server when the difference between the local time and the radio wave time is less than a predetermined value as well as when the difference is equal to or greater than the predetermined value for a predetermined number of successive times. The local time is corrected while taking into consideration a delay period included in receiving the authentic time.

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