Microprocessor Boolean processor

Details Microprocessor Boolean processor Microprocessor Boolean processor

1975-05-23

1977-01-04

Nusbaum, Mark E.

Communications: electrical

Digital comparator systems

G06F 1300, G06F 1306, G06F 300

Patent

active

040017893

ABSTRACT:
A special purpose microprocessor with a limited number of functions, which can be used to interface between a central processor and a portion of a telephone exchange--for example, in line scanning. Six bit addressing and decoding are employed with two logic elements performing the few available programs. The processor includes a random access memory for intermediate storage, one logic unit and has capacity for 64 memory locations. The logic unit includes two NAND gates.

REFERENCES:
patent: 3753243 (1973-08-01), Ricketts, Jr.
patent: 3761882 (1973-09-01), Bartlett
patent: 3798606 (1974-03-01), Henle
patent: 3821715 (1974-06-01), Hoff, Jr.
patent: 3827030 (1974-07-01), Seipp
patent: 3849765 (1974-11-01), Hamano
patent: 3855577 (1974-12-01), Vandierendonck

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