Hot carrier detection

Details Hot carrier detection Hot carrier detection

1983-09-26

1986-03-11

Atkinson, Charles E.

Excavating

34082516, 3408255, 371 22, 371 24, H04L 114, H04B 1700

Patent

active

045758476

ABSTRACT:
In a local area network for data communications, stations which distributively control their access to a common bus or other medium are able to identify the location of any "hot" station transmitter (one stuck continuously in an "on" condition which cannot be isolated from the medium). Such networks are effectively disabled by a hot carrier, since each station conditions its access on sensing the medium as previously idle. The present "loop test" method permits all stations in the network to quickly establish the location of a hot transmitter, and thereby quickly direct field repair personnel to that location. It also permits operators to take action to physically disconnect the faulty transmitter from the medium, so that the other stations may continue to use the network until the fault is repaired.

REFERENCES:
patent: 4022988 (1977-05-01), Lentz et al.
patent: 4345250 (1982-08-01), Jacobsthal
patent: 4498716 (1985-02-01), Ward
patent: 4514845 (1985-04-01), Starr

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