System for Communication Between a Video Image Acquisition Unit and an on-Board Computer for a Motor Vehicle
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United States of America Patent
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Issued Date -
Sep 24, 2009
app pub date -
Oct 11, 2006
filing date -
Oct 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The communications system (12) between the video image acquisition unit (14) and the on-board computer (16) includes means for transmitting data by carrier current comprising a data transmission line (20) forming a circuit for electrically powering members of the motor vehicle. The system (12) further comprises first means (22) for putting a video data set into the form of a first digital signal transmitted on a first set of carrier frequencies, and second means (24) for putting a control data set into the form of a second digital signal transmitted on a second set of carrier frequencies, the number of carrier frequencies in the first set being greater than the number of carrier frequencies in the second set.
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