Tachometer device having limiting means for limiting frequency v

Details Tachometer device having limiting means for limiting frequency v Tachometer device having limiting means for limiting frequency v

1989-02-21

1990-12-11

Karlsen, Ernest F.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

310155, G01P 3481

Patent

active

049773720

ABSTRACT:
A tachometer device having a sensor generating an electrical signal at a frequency which is proportional to a speed to be detected, an operating drive member, and electrical link means connecting the sensor to the operating drive member. A device for limiting frequency variations in the pulses applied to the operating drive member is interposed between the sensor and said operating drive member.

REFERENCES:
patent: 4181432 (1980-01-01), Flower
patent: 4227150 (1980-10-01), Widl
patent: 4417141 (1983-11-01), Phillips
patent: 4742297 (1988-05-01), Heaton et al.

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