H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 11/06 (2006.01) H04N 7/173 (2006.01) H04N 7/24 (2006.01) H04N 9/64 (2006.01)
Patent
CA 2092663
A video control circuit is provided which is particularly adapted to multimedia applications, wherein image transmission services are offered in addition to usual telephone speech and data transmission services. The circuit is capable of processing both photographic and graphic video images, meeting relevant CCIR standards as well as specifications commonly used in personal computers such as VGA and EGA, so as to allow the representation of either type of images on a single display. To this end, it generates timings both for CCIR standards, and for VGA standards, with an upper representation limit of graphic planes of 1024 columns per 1024 lines. It can provide an interface between a computer and an ISDN circuit for the display of images from the latter as well as images from the computer and other sources.
Garino Pierangelo
Ghigo Giovanni
Marchisio Mauro
Pucci Giovanni
Rinaudo Alfredo
Ridout & Maybee Llp
Telecom Italia S.p.a.
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