Television multiplex data extracting apparatus

Details Television multiplex data extracting apparatus Television multiplex data extracting apparatus

1996-06-19

1998-12-22

Flynn, Nathan

Television

Nonpictorial data packet in television format

Data separation or detection

348468, 348461, H04N 700, H04N 1100

Patent

active

058524711

ABSTRACT:
There is provided a highly flexible television multiplex data extracting apparatus which can fetch the multiplex data of the television broadcast services where the horizontal section for multiplexing data is not fixed, wherein a register receives an information from a controller to generate information for designating the horizontal section for fetching multiplex data, sampling frequency information of the data to be multiplexed and information for designating fetch of data, a sampling apparatus has the first and second fetch modes and detects any one mode of the first and second modes depending on the information from the register, the first mode is the extracting mode corresponding to the case where the horizontal section for multiplexing data is fixed and the second mode is designated to discriminate existence of the multiplex data in the designated horizontal section and fetch the data depending on the discrimination result.

REFERENCES:
patent: 4908707 (1990-03-01), Kinghorn
patent: 5432558 (1995-07-01), Kim
patent: 5453794 (1995-09-01), Ezaki
patent: 5463423 (1995-10-01), Tults
patent: 5483289 (1996-01-01), Urade et al.
patent: 5552833 (1996-09-01), Henmi et al.
patent: 5559554 (1996-09-01), Uekane et al.
patent: 5561461 (1996-10-01), Landis et al.
patent: 5629738 (1997-05-01), Kim

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