Data signal extraction apparatus

Details Data signal extraction apparatus Data signal extraction apparatus

2006-05-16

2006-05-16

Lee, Michael H. (Department: 2614)

Television

Nonpictorial data packet in television format

Data separation or detection

C348S478000

Reexamination Certificate

active

07046298

ABSTRACT:
This invention provides a data signal extraction apparatus that accurately extracts data from a data signal that is serially transmitted even when phase shift or the like occurs. According to this apparatus, a phase shift amount calculation circuit13calculates a phase shift amount S13,then a correction amount calculation circuit14calculates a correction amount S14on the basis of the phase shift amount S13,an extraction interval correction circuit10corrects an extraction interval value S9on the basis of the correction amount, and an extraction pulse generation circuit11generates an extraction pulse S11on the basis of a corrected extraction interval value S10,thereby extracting data from a binary signal S8on the basis of the extraction pulse.

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patent: 6208383 (2001-03-01), Park
patent: 6239843 (2001-05-01), Gaudreau
patent: 2002/0008776 (2002-01-01), Kuzumoto et al.
patent: 63215181 (1988-09-01), None

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