Programmer expander for a plurality of devices

Details Programmer expander for a plurality of devices Programmer expander for a plurality of devices

1974-07-09

1977-04-26

Pitts, Harold

Communications: electrical

Digital comparator systems

340147C, 340166R, H04P 300

Patent

active

040204642

ABSTRACT:
The operational states of a plurality, p, of devices is controlled in response to pre-programmed information stored in m channels of a memory device, where m is an integer. The stored information is represented by m digital signals. An encoder combines n of the m digital signals, where n < m, and generates a set of encoded signals. A gating circuit gates the (m-n) digital signals not encoded by the encoder with the set of encoded signals and generates a plurality, p, of output signals, where p > m, for controlling the operational states of the p devices.

REFERENCES:
patent: 3002115 (1961-09-01), Johnson
patent: 3274553 (1966-09-01), Oya
patent: 3643217 (1972-02-01), Morphew
patent: 3815092 (1974-06-01), Stephenson

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