System and method for measuring movement of objects
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United States of America Patent
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May 4, 1999
Issued Date -
N/A
app pub date -
Jun 17, 1997
filing date -
Dec 12, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A device that measures the distance traveled, speed, and height jumped of a moving object or a person while running or walking. Accelerometers and rotational sensors are placed in the object or in the sole of one shoe, or in a wrist watch or the waist of the user, along with an electronic circuit that performs mathematical calculations to determine the distance and height. A microprocessor calculates an output speed based upon step-distance and elapsed time, and the distance traveled from the sum of all previous steps. The output of the microprocessor is coupled to a display that shows the distance traveled, speed, or height jumped.
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