Code transmission system character broadcasting receiver

Details Code transmission system character broadcasting receiver Code transmission system character broadcasting receiver

1985-04-24

1987-07-07

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

371 47, H04N 704, G06F 1100

Patent

active

046790829

ABSTRACT:
A receiver for receiving a code transmission system character broadcasting signal transmitted during the vertical blanking period of television video signal, including: a circuit for extracting a character signal inserted in the video signal; a circuit for detecting the existence or non-existence of a code error in the character signal during the horizontal scanning period in which the character signal is inserted and outputting a detection signal; a buffer memory for temporarily storing the character signal accompanied by the detection signal; and a circuit for correcting the code error in a character signal read out from the buffer memory.

REFERENCES:
patent: 4461002 (1984-07-01), Nanko
patent: 4479146 (1984-10-01), Cohn

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