Precisely adjusting a local clock

Details Precisely adjusting a local clock Precisely adjusting a local clock

2006-01-30

2008-03-25

Cox, Cassandra (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Clock or pulse waveform generating

C327S113000

Reexamination Certificate

active

07348822

ABSTRACT:
Accurate correction of a local clock that avoids excessive drift in the local clock while avoiding an accumulation of quantization errors. A local clock according to the present techniques generates a local time by accumulating a sequence of rate coefficients selected from a plurality of rate coefficients using a series of progressively longer replacement periods.

REFERENCES:
patent: 4408897 (1983-10-01), Mutrux
patent: 5132540 (1992-07-01), Adolph et al.
patent: 5422863 (1995-06-01), Minowa et al.
patent: 6452541 (2002-09-01), Zhao et al.
patent: 6529485 (2003-03-01), Agarwal et al.
patent: 7114091 (2006-09-01), Vrancic
UK Intellectual Property Office, Patents Act 1977: Search Report under Section 17, Jun. 28, 2007.

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