Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1988-02-10
1990-05-15
Shepperd, John W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 1100, H04N 1112
Patent
active
049262440
ABSTRACT:
An NTSC compatible widescreen EDTV system encodes and decodes a television signal comprising: (1) a main, standard format NTSC signal component with low frequency side panel image information compressed into the overscan regions thereof; (2) a time expanded high frequency side panel image information component; and (3) an extended high frequency horizontal luminance image information component. Components (2) and (3) modulate an alternate subcarrier which exhibits a frequency other than the frequency of a chrominance subcarrier within a band of frequencies occupied by chrominance image information.
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General Electric Company
Herrmann Eric P.
Kurdyla Ronald H.
Shepperd John W.
Tripoli Joseph S.
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