Patent
1973-10-29
1976-05-11
Stewart, David L.
H04J 602
Patent
active
RE0288110
ABSTRACT:
A closed loop transmission system is described in which a plurality of stations have access to each loop to write messages into and read messages from standard-sized message blocks transmitted around the loop. One station in each loop provides regeneration of all message blocks. The various loops are interconnected by switching stations which respond to address information at the head of each message block to selectively switch the block to the interconnected loop. The next required address is always substituted for the current address to simplify address recognition. Alternate and redundant routing are also provided for.
REFERENCES:
patent: 2861128 (1958-11-01), Metzger
patent: 3165588 (1965-01-01), Holzer
patent: 3456242 (1969-07-01), Lubkin
patent: 3519750 (1970-07-01), Beresin
patent: 3529089 (1970-09-01), Davis
patent: 3569632 (1971-03-01), Beresin
patent: 3586782 (1971-07-01), Thomas
patent: 3597549 (1971-08-01), Farmer
patent: 3732374 (1973-05-01), Rocher
IRE Transactions on Communications Systems, "Communication Networks for Digital Information," J. M. Unk, Dec. 1960, (pp. 207-214).
Bell Telephone Laboratories Incorporated
Nimtz R. O.
Stewart David L.
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