Control system of an electronic exchange

Details Control system of an electronic exchange Control system of an electronic exchange

1975-02-06

1976-06-29

Zache, Raulfe B.

Communications: electrical

Digital comparator systems

179 18ES, 179 18J, G06F 300, H04M 300

Patent

active

039672506

ABSTRACT:
A new and improved stored program controlled electronic exchange system for a common channel signaling system through separate data links has been found. The control facility of said electronic exchange is shared by a common signal controller and a stored program type computer. The controller processes signals in said data links relating mainly to the transmission of signals such as serial-parallel conversion error control etc., while the computer processes signals relating to the copy of the transmitted signals. A common clock generator is provided for all data links for driving a plurality of MODEM's in said common signal controller and sending a signal in each data link in the same phase.
Further, a pair of common signal controllers may be provided on a dual mode operation basis to increase the operational reliability.

REFERENCES:
patent: 3524946 (1970-08-01), Pinet et al.
patent: 3558827 (1971-01-01), Lucas et al.
patent: 3598914 (1971-08-01), Synnott
patent: 3649759 (1972-03-01), Buzzard et al.
patent: 3760364 (1973-09-01), Yamauchi et al.
patent: 3828321 (1974-08-01), Wilber et al.

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