Transmission of reduced resolution picture edge information usin

Details Transmission of reduced resolution picture edge information usin Transmission of reduced resolution picture edge information usin

1984-02-03

1986-12-23

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358147, H04N 7093

Patent

active

046315845

ABSTRACT:
A television system for generating a composite video signal for an image having extended aspect ratio such as 5:3, and for displaying such composite video signal in a television image area having the same extended aspect ratio. The horizontal blanking interval of an NTSC composite video signal is utilized for the transmission of video information characterizing either the right or the left edge of a display line of the picture; whereas, the remaining portion of the NTSC signal is utilized for the transmission of video information characterizing the inner portion of the display line between the edges. The video information for the missing edge in each display line is derived in the receiver from video edge information of adjacent display lines.

REFERENCES:
patent: 3436471 (1969-04-01), Mounts et al.
patent: 4551754 (1985-11-01), Meise et al.
patent: 4556906 (1985-12-01), Dischert
International Broadcasting Convention, "Systems Concepts in High Fidelity Television" by R. N. Jackson and S. L. Tan, pp. 135-139, published by IEE, 9/82.
Kerns H. Powers, "Compatibility Aspects of HDTV", High Definition Television Colloquium, pp. 1.6-1 to 1.6-17, 10/82.
Article by R. Jurgen entitled "The Problems and Promises of High Definition Television", published in IEEE Spectrum, Dec. 1983, pp. 46-51.

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