Abstract: An apparatus and a method provide an output signal indicative of a speed of rotation and/or a direction of movement of a ferromagnetic object having ferromagnetic features and capable of moving. A variety of signal formats of the output signal are described, each of which have pulses at a rate faster than the ferromagnetic features pass by the magnetic field sensor.
Type:
Application
Filed:
May 16, 2017
Publication date:
November 23, 2017
Applicant:
Allegro MicroSysterns, LLC
Inventors:
Eric Burdette, Paul A. David, Christine M. Graham, Seth Prentice