Apparatus and method for compensating the drift of a local...

Details Apparatus and method for compensating the drift of a local... Apparatus and method for compensating the drift of a local...

2005-11-08

2009-06-16

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Synchronizers

Synchronizing the sampling time of digital data

Reexamination Certificate

active

07548600

ABSTRACT:
The invention relates to an apparatus and a method for data acquisition, the apparatus being characterized in that it comprises an analog/digital converter (510) sampling at an imperfect frequency FEprovided by a local clock (100) data acquired by a sensor (500) thus providing a series of sampled and dated data E[k], a time-stamping module (300) for measuring the frequency error of the local clock (100) by determining the sampling dates according to a universal time UTC(t), and a resampling module (400) for correcting the sampled and dated data E[k].

REFERENCES:
patent: 5761259 (1998-06-01), Dingsor
patent: 6002640 (1999-12-01), Harmon
patent: 6253156 (2001-06-01), Bui-Tran et al.
patent: 2002/0193947 (2002-12-01), Chamberlain
patent: 2003/0068977 (2003-04-01), King
patent: WO 98/52072 (1998-11-01), None

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