Rotation sensor, and method for outputting signals from...

Details Rotation sensor, and method for outputting signals from... Rotation sensor, and method for outputting signals from...

2005-02-21

2008-12-16

Lefkowitz, Edward (Department: 2855)

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

C073S514390

Reexamination Certificate

active

07466123

ABSTRACT:
A rotation sensor for outputting a pulse signal, which has a frequency corresponding to a rotation speed of a rotor, to a wire. The rotation sensor includes a modulation unit and an output unit. The modulation unit modulates an information signal representing information other than the rotation speed into a carrier wave having a frequency higher than the frequency of the pulse signal. The output unit superimposes and outputs to the wire the pulse signal and the carrier wave. Accordingly, the rotation sensor performs stable information transmission that is not dependent on the rotation speed of the rotor.

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