Ghost signal elimination circuit

Details Ghost signal elimination circuit Ghost signal elimination circuit

1982-08-09

1986-01-14

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358905, 455296, H04N 521, H04B 112

Patent

active

045648620

ABSTRACT:
A circuit is presented for eliminating a ghost signal from a television picture signal. A video amplifier amplifies the television picture signal which then is connected to an autocorrelator that will perform its mathematical functions of time delay, multiplication and integration to generate an output signal that is substantially free of ghost signals. A preferred form of the ghost signal elimination circuit includes microcomputer circuit means to perform the mathematical functions which permits use of standard, commercially-available autocorrelator circuits. Described also is way to package certain component parts including the autocorrelator to eliminate these undesirable signals from television sets already on the market.

REFERENCES:
patent: 4064530 (1977-12-01), Kaiser
patent: 4240106 (1980-12-01), Michael
patent: 4314277 (1982-02-01), Prithard
patent: 4361853 (1982-11-01), Remy
patent: 4413282 (1983-11-01), Wargo
A Digitalized Automatic Ghost Canceller, By J. Murakami, et al., IEEE Transaction on Consumer Electronics, vol. CE-23, Aug. 1979.

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