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Metering pulse transducer

  • US 6,502,468 B1
  • Filed: 12/27/1999
  • Issued: 01/07/2003
  • Est. Priority Date: 12/27/1999
  • Status: Expired due to Fees
First Claim
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1. A pulse transducer, comprising:

  • a rotor having an axis of rotation and having a plurality of magnetically switchable elements spaced around the axis and movable along a path of travel around the axis, each of said magnetically switchable elements having at least four magnetic states;

    a sensor disposed adjacent said rotor for carrying magnetically produced electrical pulses;

    two magnets disposed adjacent said sensor to produce magnetic fields of opposite polarity along the path of travel for the plurality of magnetically switchable elements; and

    wherein as said rotor is rotated, said two magnets cause each of said magnetic elements to be magnetically switched through the four magnetic states to produce two electrical pulses in the sensor for each of the magnetic elements for each revolution of the rotor.

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