Processing apparatus for measuring the speed of a rotating body

Details Processing apparatus for measuring the speed of a rotating body Processing apparatus for measuring the speed of a rotating body

1989-08-04

1991-09-24

Wieder, Kenneth

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

G01P 336

Patent

active

050516922

ABSTRACT:
A speed detecting apparatus including an encoder for generating detection signals of different phases, a scanning device for scanning said detection signals to output a scanned detection signal, and a period detecting device for detecting the period of said scanned detection signal.

REFERENCES:
patent: 3824015 (1974-07-01), Petit et al.
patent: 3912926 (1975-10-01), Coulbourn
patent: 3995156 (1975-11-01), Angersbach et al.
patent: 4031466 (1977-06-01), Krause et al.
patent: 4158172 (1979-06-01), Boyer et al.
patent: 4445087 (1984-04-01), Mehnert
patent: 4502045 (1985-02-01), Fromm
patent: 4717824 (1988-01-01), Sakamoto et al.
patent: 4880966 (1989-11-01), Goodrich et al.

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