Clock signal outputting method, clock shaper and electronic...

Details Clock signal outputting method, clock shaper and electronic... Clock signal outputting method, clock shaper and electronic...

2007-05-08

2007-05-08

Pascal, Robert (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

With reference oscillator or source

C331S049000, C327S020000, C327S292000

Reexamination Certificate

active

11068345

ABSTRACT:
A clock signal outputting method in which either a clock signal based on a signal from the outside or an alternative clock signal from a fixed oscillator is selected and outputted, wherein, when the clock signal is selected to be outputted, the fixed oscillator is put into non-operating state, and when any error occurs in the clock signal, the fixed oscillator is operated to output the alternative clock signal.

REFERENCES:
patent: 4868513 (1989-09-01), Piercy et al.
patent: 5260979 (1993-11-01), Parker et al.
patent: 6362670 (2002-03-01), Beaulieu
patent: 6801093 (2004-10-01), Kuwajima
patent: 6970045 (2005-11-01), Lichter et al.
patent: 10-065536 (1998-03-01), None
patent: 2001-244812 (2001-09-01), None

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