Bicycle data acquisition
First Claim
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1. An apparatus comprising:
- (1) a wheel assembly comprising a wheel, (2) a crank shaft assembly and two or more pedals attached to said crank shaft assembly, said crank shall assembly in communication with said wheel, (3) a meter assembly, and (4) a frame connected to said wheel assembly, said crank shaft assembly, and said metering assembly;
said meter assembly capable of producing a data set from the rotation of said wheel for determining the location, velocity and acceleration vectors of said frame relative to an initial time and an initial position and being effective to produce a sensitivity of at least about one-half of a revolution of said wheel in said data set to enable resolution of position, velocity and acceleration vectors produced from force applied to each of said pedals and, optionally, a handlebar assembly connected to said frame.
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Abstract
An apparatus and method are provided which enables a performer to enhance performance evaluation of performing with a human-powered vehicle having one or more wheel(s) wherein measurements of (1) position, velocity and acceleration of said vehicle out of a starting gate and, optionally, one or more corner(s) of a performance track and, optionally, (2) position, velocity and acceleration and/or conservation of momentum of said vehicle over one or more various obstacles within the performance track are made with a resolution of sufficient sensitivity to make such improvements. The invention has particular application in cycling activities, such as BMX cycling.
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Citations
13 Claims
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1. An apparatus comprising:
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(1) a wheel assembly comprising a wheel, (2) a crank shaft assembly and two or more pedals attached to said crank shaft assembly, said crank shall assembly in communication with said wheel, (3) a meter assembly, and (4) a frame connected to said wheel assembly, said crank shaft assembly, and said metering assembly;
said meter assembly capable of producing a data set from the rotation of said wheel for determining the location, velocity and acceleration vectors of said frame relative to an initial time and an initial position and being effective to produce a sensitivity of at least about one-half of a revolution of said wheel in said data set to enable resolution of position, velocity and acceleration vectors produced from force applied to each of said pedals and, optionally, a handlebar assembly connected to said frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus comprising a frame comprising
(1) a wheel assembly comprising a first wheel, two or more pedals, and a crank shaft assembly, said crank shaft assembly in communication with said first wheel and said crank shaft assembly comprising an array of first metering devices, (2) structural means in said first metering device for producing a data set containing values, and (3) a computer assembly capable of interpreting said data set to determine the location, velocity and acceleration vector relative to an initial position, said first and second metering devices being effective to produce a sensitivity of at least about {fraction (1/1000)} in said data set to enable resolution of acceleration vectors produced from force applied to each of said pedals.
Specification