Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Measuring or testing
Reexamination Certificate
2005-09-06
2005-09-06
Wambach, Margaret R. (Department: 2816)
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Measuring or testing
Reexamination Certificate
active
06940940
ABSTRACT:
An apparatus and method for counting wheel revolutions are provided that include a wheel-hub mountable odometer comprising an accelerometer comprising sensor means for sensing force, wherein the sensor means are operable to sense a force acting thereon and generate an electrical signal representative of said force. Further an electronic control system is provided comprising a microcontroller and power source, the microcontroller comprising electronic filtering means for attenuating irregularities in the signal from the sensor means and computing a wheel revolution count based on said attenuated signal, and output means for communicating the wheel revolution count. The accelerometer preferably comprises a dual axis electronic accelerometer with no internally rotating parts. Further, the output means preferably comprises at least one of a display means, an IR communication system, or a RF communications system.
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Harrington John M.
Kilpatrick & Stockton LLP
Stemco Delaware LP
Wambach Margaret R.
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