Cable modem and cable modem system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 2, 2004
Grant Date -
N/A
app pub date -
Oct 19, 1999
filing date -
Dec 17, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for communication via cable-television communication lines includes a center device which generates a loop-detection packet for detecting a loop that is a defect of a network configuration, and a cable modem which is situated between said center device and a subscriber end, and detects the loop by regarding a receipt of the loop-detection packet from the subscriber end as a detection of the loop.
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Family
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