Relay matrix switch

Details Relay matrix switch Relay matrix switch

1976-12-16

1978-05-09

Robinson, Thomas A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

179 18GF, 340166R, H04Q 300, H04Q 350

Patent

active

040888452

ABSTRACT:
A relay matrix which constitutes an array of switches providing connection points between a set of "horizontal" inputs and a set of "vertical" outputs, has n relays per column disposed in p columns. Each relay column is associated with a register which fulfills the functions of controlling and storing the state of the relays of the column. The invention can be applied to switching systems and in particular to automatic telecommunication exchanges.

REFERENCES:
patent: 3638193 (1972-01-01), Opferman et al.
patent: 3760361 (1973-09-01), Leger et al.
patent: 3794777 (1974-02-01), Bouchet et al.

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