Facsimile and static presentation processing – Fiber optics
Patent
1982-08-30
1983-09-13
Chin, Tommy P.
Facsimile and static presentation processing
Fiber optics
358167, 333 18, 375 34, 455296, H04N 521, H04B 110
Patent
active
044046006
ABSTRACT:
The input video signal including a ghost signal is supplied to a first transversal filter weighted by a first weighting signal. The output of the first transversal filter is supplied to a difference circuit to detect the ghost signal component which is supplied to a second transversal filter weighted by the second weighting signal derived from the input video signal. The output of the second transversal filter is supplied to a circuitry which includes a sign detecting circuit and a tap gain memory to produce the first weighting signal.
REFERENCES:
patent: 3775685 (1973-11-01), Eggimann
patent: 3825680 (1974-07-01), Verhoeven
patent: 3949162 (1976-04-01), Malueg
patent: 3956583 (1976-05-01), Butler
patent: 4127874 (1978-11-01), Iwasawa
patent: 4145721 (1979-03-01), Beaudouin
patent: 4152657 (1979-05-01), Robers
CCD Delay Line is Exorcising TV Ghosts, Electronics International, Electronics, Aug. 4, 1977, vol. 50, No. 16 pp. 2-E-3-E.
A Fully Automatic Ghost Canceller, by Murakami, IEEE Transaction on Consumer Electronics, vol. CE-24, No. 3, Aug. 1978, pp. 267-271.
An Adaptive Equalizer for TV Channels, IEEE Transactions on Communication Technology, By Arnon, vol. Com-17, No. 6, Dec. 1969, pp. 726-734.
Performance of Jointly Optimized Prefilter-Equalizer Receivers, by J. W. Mark, IEEE Transactions on Communications, Aug. 1973, pp. 941-945.
An Input-Weighted CCD Transversal Filter, by Sakaue, Japanese Journal of Applied Physics, vol. 16, 1977, pp. 391-396.
An Automatic Equalizer for General Purpose Communication Channels, by Lucky, The Bell System Technical Journal, vol. 46, No. 9, Nov. 1967, pp. 2179-2208.
Chin Tommy P.
Tokyo Shibaura Denki Kabushiki Kaisha
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