Ghost cancelling system and control method thereof

Details Ghost cancelling system and control method thereof Ghost cancelling system and control method thereof

1990-09-28

1992-07-14

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 36, 358905, 375 11, H04N 5213, H04N 964

Patent

active

051307995

ABSTRACT:
A ghost cancelling system which detects a horizontal scanning line containing the reference signals and extracts 8 fields reference signals from the horizontal scanning line. A final reference signal corresponding to the 8 fields reference signals is calculated by a specified calculation algorithm, and the system corrects the tap coefficient in response to the distinguished ghost signal using the final reference signal.

REFERENCES:
patent: 4335396 (1982-06-01), Rzeszewski
patent: 4575857 (1986-03-01), Murakami
patent: 4897725 (1990-01-01), Tanaka et al.
patent: 4947252 (1990-08-01), Kobayashi et al.

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