Video tape recording and reproducing apparatus

Details Video tape recording and reproducing apparatus Video tape recording and reproducing apparatus

1982-03-16

1984-11-20

Faber, Alan

Facsimile and static presentation processing

Facsimile

Recording apparatus

358335, 360 22, 360 331, H04N 592

Patent

active

044842341

ABSTRACT:
The disclosed video-tape recording and reproducing apparatus, includes a system to transform the field signal into multi-channel signals; a number of modulators to produce modulated carrier waves, modulated by each of the multi-channel signals; a system to provide a fixed time delay to the modulated carrier waves, and also to mix the delayed carrier wave into the modulated carrier waves of neighboring channels as a cancellation signal for cross talk current; and a multi-channel head for recording and reproducing the output of the mixing system, to achieve elimination of cross talk current caused by interference between heads during recording. The delaying system includes delay lines to delay the modulated carrier waves a fixed time, and mixers to mix the delayed carrier waves with other channels' modulated carrier waves.

REFERENCES:
patent: 2986608 (1961-05-01), Pettus
patent: 3893168 (1975-07-01), Bechly
patent: 3975764 (1976-08-01), Kobayashi
patent: 4048658 (1977-09-01), Nakagawa
patent: 4218713 (1980-08-01), Horah

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