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Communications
Class Information
Number:
178/2D
Name:
Telegraphy
>
Systems
> Round robins
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
4728754
Inter-bus system
Mar. 1, 1988
4700018
Method and circuit arrangement for the transmission of data signals between two control devices belonging to a loop system
Oct. 13, 1987
4700019
Method and circuit arrangement for the transmission of data signals to a group of control devices belonging to a loop system
Oct. 13, 1987
4593154
Loop-type data transmission/reception network
Jun. 3, 1986
4538026
Loop back system for loop transmission line
Aug. 27, 1985
4352201
Data transmission system
Sep. 28, 1982
4058681
Information transmission system
Nov. 15, 1977
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