Speech path packaging unit including controller containing shift

Details Speech path packaging unit including controller containing shift Speech path packaging unit including controller containing shift

1977-03-08

1978-09-12

Brown, Thomas W.

H04Q 354

Patent

active

041139887

ABSTRACT:
A speech path apparatus in a space-division type electronic exchanger equipment wherein a plurality of switching networks each having controlled points and a plurality of trunks are divided into an appropriate number of packaging units, and a network controller and a trunk controller are provided for each packaging unit. Each of the network controllers and the trunk controllers includes a shift register for receiving a control signal sent from a central processing unit in serial form, a means for determining whether the received control signal is for its own unit and means for translating a control signal stored in the shift register to send it out in parallel form to the controlled point.

REFERENCES:
patent: 3795773 (1974-03-01), Konig et al.
patent: 3963872 (1976-06-01), Hagstrom et al.
patent: 3974343 (1976-08-01), Cheney et al.

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