Digital code detector circuits

Details Digital code detector circuits Digital code detector circuits

1984-10-26

1986-04-22

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

307463, H03K 19082

Patent

active

045845670

ABSTRACT:
A digital code detector circuit for detecting on a priority basis those code combinations of an n-bit binary digital code (n>3) which contain only a single bit of a first binary value (e.g. the code combinations 1000, 0100, 0010 and 0001 of a 4-bit binary digital code). The circuit comprises a set of n input leads with associated inverters to supply the inverse of the input code combinations as well as the input code combinations to a logic gating arrangement. The gating arrangement drives m output circuits, where the m is the number of bits of output address code combinations corresponding to each possible input code combination of n-bits. When more than one of the input code combinations containing only a single bit of the fixed binary value are present concurrently on the set of input leads, the gating arrangement is such that only the m-bit address code for the input code combination having the higher binary value is produced by the output circuits.

REFERENCES:
patent: 3142056 (1964-07-01), Martin
patent: 3284794 (1966-11-01), Bean

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