Method and apparatus for communication channel identification an

Details Method and apparatus for communication channel identification an Method and apparatus for communication channel identification an

1991-04-30

1992-05-05

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358139, 358167, 358905, 375 13, 375 19, 455 65, 455 674, H04N 708

Patent

active

051112981

ABSTRACT:
A method and apparatus for improved ghost cancellation for use in particular in television receivers. The sequence of coefficients derived from a received GCR (Ghost Cancellation Reference) signal, is further processed to effect a transfer of energy from minor echo coefficients to major echo coefficients thereby improving the overall performance of the ghost cancellation device.

REFERENCES:
patent: 4864403 (1989-09-01), Chao
patent: 4912557 (1990-03-01), Faroudja
patent: 4953026 (1990-08-01), Kobayashi
patent: 4980767 (1990-12-01), Chao
patent: 5047859 (1991-10-01), Koo

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