Communication device

Pulse or digital communications – Spread spectrum – Direct sequence

Reexamination Certificate

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Details

C375S150000

Reexamination Certificate

active

07388898

ABSTRACT:
A communication device, able to establish synchronization of frequency and able to continuously track a carrier even if an oscillation frequency of an oscillator changes. The device changes the oscillation frequency of a reference frequency oscillator according to established protocols when the base station of the other party in communication changes by generating a frequency change signal for reporting that the base station has changed and the frequency is changed and outputting it to a control unit of a GPS baseband unit.

REFERENCES:
patent: 5016257 (1991-05-01), Wolf et al.
patent: 5184084 (1993-02-01), Yun
patent: 5432521 (1995-07-01), Siwiak et al.
patent: 5594453 (1997-01-01), Rodal et al.
patent: 5742207 (1998-04-01), Rambo et al.
patent: 5930244 (1999-07-01), Ariyoshi et al.
patent: 2002/0037029 (2002-03-01), Shimizu et al.
patent: 2002/0039381 (2002-04-01), Dooley et al.
patent: 2003/0215005 (2003-11-01), Kontola et al.
patent: 2004/0203865 (2004-10-01), Krasner
patent: WO 87 01540 (1987-03-01), None
patent: WO 98/34347 (1998-08-01), None

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