Method for transmitting a television signal by field to field pr

Details Method for transmitting a television signal by field to field pr Method for transmitting a television signal by field to field pr

1987-03-16

1988-05-17

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

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H04N 1114

Patent

active

047454601

ABSTRACT:
A television signal transmission system is improved to be able to transmit a video signal having a frequency band wider than existing transmission frequency bands while maintaining compatibility with existing television systems. On the sending side, a wide-band luminance signal is frequency-shifted and inserted into a vacant frequency spectrum of a television signal in the existing television systems before transmission.

REFERENCES:
patent: 2716151 (1955-08-01), Smith
patent: 2954441 (1960-09-01), Anderson
patent: 4291331 (1981-09-01), Devereux

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