Signal distribution system hybrid relay controller/driver

Communications: electrical – Continuously variable indicating – With meter reading

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Details

324 73R, H04Q 900, G01R 3128

Patent

active

047631244

ABSTRACT:
A hybrid controller is used to control a plurality of relays, within a switching matrix, for effecting connection of an equipment under test to at least one of a plurality of test instruments. To do so, the hybrid controller utilizes latch drivers which are capable of driving 24 relays simultaneously. To check whether or not the correct relay is activated, drivers are used to sense the statuses of the relays and forward the information to a central processing unit for comparison. The drivers are controllably actuated by a decoder means, which in turn is controlled by the central processor.

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