Phase lock oscillator and communication equipment

Details Phase lock oscillator and communication equipment Phase lock oscillator and communication equipment

2006-06-27

2006-06-27

Tsang, Fan (Department: 2645)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S141000, C455S147000, C331S179000, C375S375000, C375S376000

Reexamination Certificate

active

07068989

ABSTRACT:
The present invention relates to a phase lock oscillator which has a phase-locked loop including a reactive element and varies a reactance of the reactive element at an instant prior to an instant at which the phase-locked loop reaches a limit of maintaining its lock state, and relates to a communication equipment with the lock phase oscillator mounted therein. The phase lock oscillator and the communication equipment can flexibly adapt to variances in environment conditions and maintain stable and high service quality.

REFERENCES:
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patent: 4627099 (1986-12-01), Shimakata
patent: 5225793 (1993-07-01), Higashiyama et al.
patent: 5414741 (1995-05-01), Johnson
patent: 5598405 (1997-01-01), Hirose
patent: 5939947 (1999-08-01), Nakao et al.
patent: 6314150 (2001-11-01), Vowe
patent: 6549078 (2003-04-01), Sridharan et al.
patent: 2001/0038676 (2001-11-01), Matsumaru et al.
patent: 2002/0009983 (2002-01-01), Pritchett et al.
patent: 2004/0012453 (2004-01-01), Dally et al.
patent: 08-111659 (1996-04-01), None

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