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A ghost canceller comprises a ghost cancelling circuit, waveform memories, a CPU, a training signal generating circuit, and a ghost variation detection circuit. By taking in GCR signals from the waveform memories into the CPU, synchronous addition and field sequence processing are effected, and they...

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Bibliographische Detailangaben
Hauptverfasser:	KOBO, KAZUO, SAKAI-SHI, OSAKA-FU 590, JP, SASAKI, MIKIO, IBARAKI-SHI, OSAKA-FU 567, JP, YAMAGUCHI, TAKASHI, IBARAKI-SHI, OSAKA-FU 567, JP, HORIUCHI, HIDEFUMI, OSAKA-SHI, OSAKA-FU 532, JP, GYOTEN, TAKAAKI, IBARAKI-SHI, OSAKA-FU 567, JP, SHIMBO, HIROYASU, TOYONAKA-SHI, OSAKA-FU 565, JP, FUKUI, KIYOTAKE, SETTSU-SHI, OSAKA-FU 566, JP, MIKI, YUTAKA, HIRAKATA-SHI, OSAKA-FU 573, JP
Format:	Patent
Sprache:	ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A ghost canceller comprises a ghost cancelling circuit, waveform memories, a CPU, a training signal generating circuit, and a ghost variation detection circuit. By taking in GCR signals from the waveform memories into the CPU, synchronous addition and field sequence processing are effected, and they are transferred to the training signal generating circuit. The input video signal is changed over to the training signal to cancel ghost, and when ghost variation is not detected by the ghost variation detection circuit, the input video signal is fed into the ghost cancelling circuit, and is delivered as an output video signal.