Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1979-10-15
1981-08-25
Murray, Richard
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 942
Patent
active
042862841
ABSTRACT:
Color decoding device for signals emitted by an NTSC source for the purpose of coding in any system, characterized by the use of a shifter operating at a reference frequency receiving signals in series and transmitting 4 parallel bits to a carrier which samples them at a frequency equal to one fourth of the reference frequency. The signals and their complements produced by the sampler are transmitted to a display device through a matrix of interchangeable resistors. The invention applies to all coding systems, especially SECAM, and in particular to the SECAM display of signals emitted by NTSC computers.
REFERENCES:
patent: 4106053 (1978-08-01), Maxemchuk
Murray Richard
Sonotec S.A. - Societe Nouvelle de Produits et Techniques
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