Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1989-07-21
1991-07-16
Shepperd, John W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358140, H04N 701, H04N 1120
Patent
active
050328999
ABSTRACT:
A system for generating interpolation signals for a progressive scanning conversion television system. The sysetem includes a Y/C separator for separating the luminance (Y) and chrominance (C) signals from a composite video signal, an interpolation Y signal generating circuit for receiving the separated Y signal and generating an interpolated Y signal, the interpolation Y signal generating circuit including at least one low pass filter to remove the high frequency signal components from the separated Y signal and a circuit to alternately provide the separated Y signal and the interpolated Y signal along with the C signal to generate a progressive scanning television signal.
REFERENCES:
patent: 2921124 (1960-01-01), Graham
patent: 4673978 (1987-06-01), Dischert
patent: 4698675 (1987-10-01), Casey
patent: 4831435 (1989-05-01), Song et al.
NEC Technical Journal, vol. 37, No. 4, "The Enhanced Definition Digital Television by Non-Interlace Scanning"; Klwaibana et al.; 1987.
Kabushiki Kaisha Toshiba
Shepperd John W.
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