Television signal transmission system

Details Television signal transmission system Television signal transmission system

1988-04-25

1990-07-24

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 1100

Patent

active

049438484

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. Besides the conventional interlace scanning in the camera and display, progressive scanning can be used in the camera, the display, or both.

REFERENCES:
patent: 2716151 (1955-08-01), Smith
patent: 4660072 (1987-04-01), Fukinuki
patent: 4745460 (1988-05-01), Fukinuki

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