Wireless velocity detector for a bicycle having a rotating AC ma

Details Wireless velocity detector for a bicycle having a rotating AC ma Wireless velocity detector for a bicycle having a rotating AC ma

1991-05-31

1993-01-05

Snow, Walter E.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

340432, G01P 348, G01P 354, B62J 300, B62J 600

Patent

active

051774321

ABSTRACT:
A wireless velocity detector for a bicycle includes a coil mounted on the wheel hub of the bicycle which generates a rotating magnetic field as the wheel rotates, a receiver mounted on the handlebars that includes a pair of coils that sense variations in the strength of the rotating field as the bicycle moves and generates signals in response to the field variations and a microprocessor which converts the signals into information related to the movement of the bicycle, e.g. speed and distance. A liquid crystal display is used to display the information to the cyclist.

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Popular Science, Apr., 1991, p. 16.
Performance Bicycle Shop, Spring 1991.
Bike Nashbar, Early Spring '91.

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