Digital network utilizing telephone lines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 23, 1992
Grant Date -
N/A
app pub date -
Aug 22, 1988
filing date -
Aug 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved computer network which utilizes the communication lines of a telephone system to provide connections between computing equipment in geographically mode area is described. The network utilizes a plurality of network units which are coupled by communication links within a telephone system. Each of the network units transmits user data and commands directed to other network units. Each of the network units monitors transmission errors within the telephone system. The data transmission rate within the network can be automatically varied in response to the observed error rate in a manner which reduces transmission errors within the network. When the transmission errors subside, the transmission rate is automatically increased to provide greater data throughput. The network includes features that allow it to be topologically altered without the need to send telephone technicians to the various locations serviced thereby.
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