Communications: electrical – Continuously variable indicating – With meter reading
Patent
1983-01-28
1986-02-25
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
179 18EA, 34082552, H04Q 900, H04Q 1104
Patent
active
045730474
ABSTRACT:
Contemporary communication networks, telephony exchanges in particular, are frequently provided with a central control. A consequence thereof is that they are very complex. The invention provides a communication network having a high degree of distributed control and processing by providing a binary selector stage from which selectors and selector systems may be assembled to form the entire network. The selector stage comprises an identification circuit (10) for identifying destination addresses applied by its input (12) and which are associated with the service area of the selector stage. An indicator circuit (11) determines from a list-of-free-outputs circuits (32) to which free output the destination address, which is identified by (10) and transferred to a first output (16), must be conveyed. Non-identified destination addresses are transferred to a second output (14), to which output a further selector stage can be connected.
REFERENCES:
patent: 4071702 (1978-01-01), Charransol et al.
patent: 4081612 (1978-03-01), Hafner
patent: 4201891 (1980-05-01), Lawrence et al.
patent: 4442321 (1984-04-01), Stehman
Briody Thomas A.
Eason Leroy
Streeter William J.
U.S. Philips Corporation
Yusko Donald J.
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