Digital matrix switching

Details Digital matrix switching Digital matrix switching

1981-07-01

1983-06-21

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

370 53, H04Q 900

Patent

active

043896421

ABSTRACT:
Eight input ports are sampled once every eight clock pulse intervals, and the samples are multiplexed to an eight-bit collecting register that stores data bit signals from selected input ports in cells corresponding to the location of designated output ports selected in accordance with selection signals stored in a 64-bit RAM having eight-bit words that may be changed to designate the connections among input ports and output ports for data transfer. The data signals in the eight-bit collecting register are transferred to an output holding register in cells corresponding to respective output ports that are released in response to the sample signal.

REFERENCES:
patent: 4220823 (1980-09-01), Littlefield
patent: 4271505 (1981-06-01), Menot et al.

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