Communications: electrical – Continuously variable indicating – With meter reading
Patent
1995-03-15
1995-11-14
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
370 13, 3408255, 39518202, H04Q 100
Patent
active
054670799
ABSTRACT:
In a plurality of terminal equipments connected to one line, in each of the terminal equipments a delay time by which a response from the terminal equipment when in an abnormal state is delayed, is preset. When a message arrives at the plurality of terminal equipments through the one line, an abnormal terminal equipment returns a response delayed by the above-mentioned delay time, and a network transmits a response acknowledgement to only one terminal equipment which returns the earliest response. Only the terminal equipment receiving the response acknowledgement can communicate with other terminal equipment connected to another line through the network. By using the above-constituted invention, when the plurality of terminal equipments are connected to the one line, the response from an abnormal terminal equipment is delayed and a normal terminal equipment can receive the message.
REFERENCES:
patent: 4160238 (1979-07-01), Weckenmann et al.
patent: 4500953 (1985-02-01), Takezoe et al.
patent: 4516122 (1985-05-01), Tomikawa
patent: 4561092 (1985-12-01), Shaver
patent: 5282127 (1994-01-01), Mii
Patent Abstracts of Japan, vol. 12, No. 287 (E-643)(3134) Aug. 5, 1988 & JP-A-63-063238 (Mar. 19, 1988).
Fujitsu Limited
Zimmerman Brian
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