Device for measuring the running parameters of a bicycle
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United States of America Patent
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Aug 24, 2004
Grant Date -
Feb 6, 2003
app pub date -
Aug 2, 2002
filing date -
Aug 3, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for measuring the running parameters of a bicycle having a sensor capable of reacting to a revolution of a rotationally movable member through a change of state and operating according to a cycle of changes of state, the sensor being provided to be mounted on a rotatable member of the bicycle, a transmission circuit having an antenna, a reception circuit having an antenna. The transmitting circuit has a circuit for calculating a value of the running parameter based on the signal originating from the sensor, a transmitter connected to the antenna to transmit this value to the receiving device, and an optimization circuit for activating the transmission of the transmitter to moments independent of the changes of state of the sensor.
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