Boolean logic processor without accumulator output feedback

Details Boolean logic processor without accumulator output feedback Boolean logic processor without accumulator output feedback

1979-11-28

1982-05-25

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307445, 364716, H03K 1920

Patent

active

043318932

ABSTRACT:
A clocked digital Boolean processor which responds to operation code signals and to successive single bit input (operand) signals to drive a single bit accumulator to output the successive answers of chained Boolean operations. The hardware elements are configured such that no feedback of the accumulator output (the previous answer) is required because the logic circuits determine the setting or resetting of the accumulator regardless of what the previous answer was--and yet such that the new answer represents the result of a LOAD, AND, OR or EX-OR operation performed as if the input operand and the previous answer were taken as two operands.

REFERENCES:
patent: 3145342 (1964-08-01), Hill
patent: 3571615 (1971-03-01), Kelly
patent: 3609569 (1971-09-01), Todd
patent: 4056736 (1977-11-01), Blatt

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