Single-wire data distribution system and method
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United States of America Patent
Stats
-
Jul 13, 1999
Grant Date -
N/A
app pub date -
May 15, 1995
filing date -
May 15, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A single-wire telephone distribution system is directed to use in passenger aircraft. It includes a set of twisted pair cables, electronics distribution boxes and repeaters. A single-wire transmission path is defined to enter and leave each distribution box at least once. The path is arranged so that its portions between distribution boxes occur in pairs and each path pair is formed by one of the twisted pair cables. A repeater is inserted into the transmission path prior to each of its exits from the distribution boxes. The repeaters regenerate the data signals to remove noise and jitter. Additionally, the regenerated signals have controlled rising and falling slopes to control signal emissions from the distribution system. A limited number of twisted pair cable sets are typically available in passenger aircraft cabins for passenger services. By using only a single set, the distribution system of the invention facilitates the incorporation of additional services into the aircraft cabin.
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Family
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