Signal select control circuit and signal select circuit using th

Details Signal select control circuit and signal select circuit using th Signal select control circuit and signal select circuit using th

1991-06-14

1993-09-21

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3408255, H04B 100

Patent

active

052472949

ABSTRACT:
A signal select control circuit for a select circuit, which selects one of a plurality of predetermined signals, in accordance with a select signal comprising an arrangement change circuit, a priority-based select circuit, and an arrangement reverse circuit. The arrangement change circuit receives n input signals (n is an integer) arranged in parallel in accordance with a first arrangement and changes an arrangement of the n input signals in accordance with a control signal indicative of a priority order so that the n input signals are arranged in parallel in accordance with a second arrangement based on the priority order. The priority-based select circuit receives the n input signals having the second arrangement and generates n output signals arranged in parallel in accordance with a third fixed arrangement. The n output signals indicates one of the n input signals, which has a highest priority among valid input signals among the n input signals. The arrangement reverse circuit changes an arrangement of the n output signals so that the n output signals are arranged in parallel in accordance with an arrangement identical to the first arrangement of the n input signals. The n output signals arranged in parallel in accordance with the arrangement identical to the first arrangement serve as the select signal.

REFERENCES:
patent: 4347510 (1982-08-01), Ishigaki et al.
patent: 4420695 (1983-12-01), Fisher
patent: 4954978 (1990-09-01), Terane et al.

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