Reversible incremental encoding method and apparatus

Details Reversible incremental encoding method and apparatus Reversible incremental encoding method and apparatus

1978-11-16

1981-05-05

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347M, 340347CC, 177185, 235 92MP, H03K 1300

Patent

active

042662150

ABSTRACT:
Two-phase logic signals from a reversible shaft encoder or like device provide count occurrence pulses and a count direction logic signal to control incrementing and decrementing of a counting means. One count occurrence pulse is omitted each time the count direction changes to avoid errors which otherwise might result. Up counts and down counts occur at the same shaft encoder positions, and the system has high noise immunity.

REFERENCES:
patent: 2656106 (1953-10-01), Stabler
patent: 3740532 (1973-06-01), Esch
patent: 4047007 (1977-06-01), Dlugos et al.

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