Oscillators – Automatic frequency stabilization using a phase or frequency... – Plural a.f.s. for a single oscillator
Reexamination Certificate
2006-07-11
2006-07-11
Mis, David (Department: 2817)
Oscillators
Automatic frequency stabilization using a phase or frequency...
Plural a.f.s. for a single oscillator
C331S016000, C331S018000, C360S051000
Reexamination Certificate
active
07075375
ABSTRACT:
A PLL system for generating an output signal according to a first reference signal is disclosed. The output signal is used as a reference clock to write recording data on an optical medium. The PLL system includes a clock generator for receiving the first reference signal and a first frequency-divided signal to generate the output signal according to a phase difference between the first reference signal and the first frequency-divided signal; a phase-shift detector for generating a phase adjusting signal; and a phase-controllable frequency divider for dividing the frequency of the output signal by a frequency dividing ratio to generate the first frequency-divided signal and for receiving the phase adjusting signal to adjust the phase of the first frequency-divided signal.
REFERENCES:
patent: 6710951 (2004-03-01), Cloke
patent: 2001/0055249 (2001-12-01), Moriwakl
patent: 2002/0105389 (2002-08-01), Nishimura et al.
patent: 2003/0067356 (2003-04-01), Bokui et al.
patent: 2004/0095861 (2004-05-01), Hsu et al.
patent: 0076981 (1983-04-01), None
Chang Chi-Ming
Chen Hong-Ching
Hsu Winston
Mediatek Incorporation
Mis David
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