Digital tachometer

Details Digital tachometer Digital tachometer

1975-04-25

1976-12-28

Segal, Robert

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

324 78D, 235 92FQ, 73491, 235103, G01P 348

Patent

active

040004651

ABSTRACT:
A digital tachometer provided with a measuring shaft to be brought into contact with a rotating body to be measured for simultaneous rotation therewith. As the shaft is rotated the number of rotations of the rotating object is digitally indicated and the indication remains even after the measuring shaft has been moved out of contact with the rotating object under measurement.

REFERENCES:
patent: 3614615 (1971-10-01), Cass
patent: 3748580 (1973-07-01), Stevens et al.
patent: 3863153 (1975-01-01), Eshraghian
patent: 3881094 (1975-04-01), Taylor et al.

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