Wideband video system for single power line communications
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United States of America Patent
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-
Mar 27, 1990
Issued Date -
N/A
app pub date -
Apr 29, 1988
filing date -
Mar 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wideband video system transmits and receives video signals through a ground line of a power distribution network. This single line transmission path is not susceptable to noise signals as is a dual line transmission path. The single line transmission path is grounded in the transmitter by a cable from an incoming source and also grounded in the receivers by respective monitors. Between the incoming source and the monitors, a single communication line carries single ended wide band video signals respecting floating grounds through the transmitter, the ground line and the receivers. This single line transmission is less susceptible to noise on the power lines thereby enabling the transmission of up to 500 mHz signals suitable for video transmission over a wide frequency band.
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