Method of automatic equalized distribution of ring loads for tel

Details Method of automatic equalized distribution of ring loads for tel Method of automatic equalized distribution of ring loads for tel

1989-11-29

1991-10-08

Dwyer, James L.

Telephonic communications

Centralized switching system

With generating of call associated substation signal

379253, 379418, H04M 302

Patent

active

050561359

ABSTRACT:
A method of automatically and equally distributing the ring load for an exchange system. The subscribers are grouped so that at any one time the subscribers of one group only is supplied with the ring current for ringing the telephone. If the number of the subscribers exceeds the allowable limit within the specified on time, the on time is automatically reset by use of a subtracting time to limit the ring load within a specified value.

REFERENCES:
patent: 4075430 (1978-02-01), Reines
patent: 4113990 (1978-09-01), Nojiri et al.
patent: 4656659 (1987-04-01), Chea, Jr.

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