Method of measuring motor speed

Details Method of measuring motor speed Method of measuring motor speed

2005-02-01

2005-02-01

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Speed or rate-of-movement

C388S910000

Reexamination Certificate

active

06850023

ABSTRACT:
A speed sensor for an electric motor detects the variation in the electric field of the armature due to commutation to produce an output signal indicative of the speed of rotation of the motor.

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Birk, “Unkonventionelle Drehzahimessung und-regelung bei Gleichstrommotoren,” Elektronik, vol. 33, No. 25, Dec. 1, 1984, Munchen, Germany, with English translation thereof.

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