Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1982-05-28
1985-05-07
Masinick, Michael A.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 85, 358 12, 358 23, H04N 940
Patent
active
045161518
ABSTRACT:
A method and system for translating between three complementary color component slow scan video signals and a composite color slow scan video signal containing a frequency modulated (FM) luminance information signal within a first frequency range of the slow scan video signal frequency band and an FM chrominance information signal within a separate second frequency range of the slow scan video signal frequency band, wherein the chrominance information signal includes a first color difference signal derived by subtracting the luminance information signal from one of three complementary color slow scan video signals and a second color difference signal derived by subtracting the luminance information signal from another of three complementary color slow scan video signals. The three complementary color component slow scan video signals are translated into the composite color slow scan video signal for transmission. Upon reception, the composite signal is translated into the three complementary signals for provision to a three memory slow-to-fast scan converter.
REFERENCES:
patent: 3162838 (1964-12-01), Sauvanet
patent: 4057836 (1977-11-01), Munsey
Patchett, Colour Television with Particular Reference to the PAL System, 1968, pp. 131-139.
Steber, "SSTV to Fast-Scan Converter", QST, Mar. 1975, pp. 33-40.
Steber, "Slow-Scan to Fast-Scan TV Converter", QST, May 1975, pp. 28-36, 46.
Royle, "SSTV in Colour", QST, Nov. 1980, pp. 11-14.
Ingram, The Complete Handbook of Slow-Scan TV, TAB Books, 1977, pp. 173-189.
Masinick Michael A.
Robot Research, Inc.
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