Selective addressing system

Details Selective addressing system Selective addressing system

1975-12-16

1977-03-29

Shaw, Gareth D.

Communications: electrical

Digital comparator systems

G06F 700, G06F 706

Patent

active

040152448

ABSTRACT:
A selective addressing means for a plurality of signal modules includes a plurality of electrically identical component units each arranged to contain a plurality of the modules. Each component unit includes apparatus for internally establishing a self-address code at the input side of each of the component units. Also included in each of the component units is a structure which effectively modifies the address code found at the input side thereof and applies the modified code to the output side thereof. An interconnection is provided for applying the modified code from the output of the preceding component unit to constitute an overriding address code to the input of the next succeeding component unit. Logic circuitry is provided to correlate the thus established series of address codes with corresponding address signals from a central processor to access the selected module.

REFERENCES:
patent: 3820081 (1974-06-01), Donahue
patent: 3821715 (1974-06-01), Hoff, Jr. et al.

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