Method and system for measuring speed and distance of a bicycle
Number of patents in Portfolio can not be more than 2000
United States of America
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May 7, 2024
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N/A
app pub date -
Mar 9, 2020
filing date -
Mar 9, 2020
priority date (Note) -
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Abstract
A method and system for measuring a physical parameter, such as speed and/or distance travelled by a bicycle, includes a permanent magnet disposed on a front fork and a measuring circuit with a magnetic sensor disposed on a rim of the wheel at the same distance from the wheel axis of rotation as the magnet. The sensor passes in front of the magnet to generate an induced voltage pulse at each passage. The induced voltage is rectified and stored on a capacitor. Energy recovery during the sensor passing in front of the magnet allows powering of the measuring circuit. The parameter is calculated in the calculation unit clocked by an oscillator based on the received induced voltage pulses by knowing the bicycle wheel diameter. Measurements performed from the measuring circuit are transmitted to a portable device carried by the user or mounted on the bicycle to be displayed.
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