Television system and method

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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H04N 514

Patent

active

045311528

ABSTRACT:
A television transmission and receiving system is provided wherein both high resolution and lower resolution television picture signals may be generated and respectively received by high and lower resolution television receivers to permit owners of both high and lower resolution receivers to receive television signals of the same event or program.

REFERENCES:
patent: 2813148 (1957-11-01), Pensak
patent: 3674921 (1972-07-01), Goldsmith
patent: 3697675 (1972-10-01), Beard
patent: 3914543 (1975-10-01), Kawahara
patent: 3983328 (1976-09-01), Newell
patent: 4004079 (1977-01-01), Boston
patent: 4168509 (1979-09-01), Hartmann
"High Resolution NTSC Television System", Dill, IBM Technical Disclosure Bulletin, vol. 21, #5, Oct. 1978, pp. 2148-2153.
"Research and Development on High Definition Television in Japan", Hayashi, SMPTE Journal, Mar. 1981, pp. 178-186.

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