Pulse or digital communications – Cable systems and components
Patent
1998-07-14
1999-11-30
Chin, Stephen
Pulse or digital communications
Cable systems and components
370445, 370447, H04B 300, H04L 2500
Patent
active
059955490
ABSTRACT:
An Ethernet-type local area network having multiport repeaters and nodes within a specified distance of the hub is able to communicate high speed digital data over multiple pairs of twisted-pair wires using long symbol group-type ternary coding. Bundle mode termination minimize impedance mismatches. Low-frequency collision detection circuitry permits detection of packet collisions on an a.c.-coupled network. Precise serialized digital to analog conversion is realized using chains of gates to form delay elements with precise delays.
REFERENCES:
patent: 5544323 (1996-08-01), Heaton et al.
patent: 5598406 (1997-01-01), Albrecht et al.
Allen Kenneth R.
Chin Stephen
Ghayour Mohammad
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