Data receiving apparatus and method in a VBI receiver

Details Data receiving apparatus and method in a VBI receiver Data receiving apparatus and method in a VBI receiver

2005-06-02

2009-02-17

Natnael, Paulos M (Department: 2622)

Television

Nonpictorial data packet in television format

Data separation or detection

Reexamination Certificate

active

07492413

ABSTRACT:
A VBI receiver and method is disclosed. The receiver includes an over-sampling circuit, a transition detector, a data selector, and a data output device. The over-sampling circuit is for over-sampling VBI data and outputting and over-sampled signal. The transition detector is for detecting the transition of the over-sampled signal and outputting a transition signal representing the transition position. The data selector is for recording the transition signal and outputting a position signal according to the transition signal and at least a previous transition signal. The data output device outputs digital output data from the over-sampled signal according to the position signal.

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patent: 7198197 (2007-04-01), Best

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