Swimmer's training apparatus with a visual display
First Claim
1. A swimmer'"'"'s training apparatus comprising:
- a compact module, said module having a member arranged to be rotated about an axis by a motion of said swimmer, at least one permanent magnet mounted on said rotatable member for producing a rotating magnetic field, at least one sensor positioned within said rotating magnetic field for producing an output signal during each revolution of said rotatable member which is indicative of the speed of said swimmer, a means for processing said sensor output signal to display on a visual display worn by said swimmer, a display which enables said swimmer to determine the effect of a change in his form and/or movement on said motion of said swimmer.
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Abstract
A training apparatus with a visual display for a swimmer. In a first aspect of the invention, an impeller mounted in a module worn by a swimmer is driven by a forward motion of the swimmer. A pair of permanent magnets mounted on opposite vanes of the impeller act on a magnetic field type transducer to produce a pulsating voltage which varies directly in frequency with the speed of the swimmer. The output of the sensor is processed and transmitted to a visual display worn by the swimmer. Changes in the visual display enable the swimmer to identify the effect of changes in the swimmer'"'"'s form and/or movement on his performance. In a second aspect of the invention, a revolving magnet produces a pulsating voltage in a coil of wire. The output of the coil is processed and transmitted to a visual display worn by the swimmer.
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Citations
24 Claims
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1. A swimmer'"'"'s training apparatus comprising:
- a compact module, said module having a member arranged to be rotated about an axis by a motion of said swimmer, at least one permanent magnet mounted on said rotatable member for producing a rotating magnetic field, at least one sensor positioned within said rotating magnetic field for producing an output signal during each revolution of said rotatable member which is indicative of the speed of said swimmer, a means for processing said sensor output signal to display on a visual display worn by said swimmer, a display which enables said swimmer to determine the effect of a change in his form and/or movement on said motion of said swimmer.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A swimmer'"'"'s training apparatus comprising:
- a compact module, said module having an impeller mounted in said module arranged to be rotated about an axis which is perpendicular to a motion of said swimmer, at least one pair of permanent magnets mounted on said impeller for producing a pair of rotating magnetic fields, at least one sensor mounted in said module for producing an output signal when acted upon by said magnetic fields which is indicative of the motion of said swimmer, a means for processing said sensor'"'"'s output signal to display on a visual display worn by said swimmer information which enables said swimmer to determine the effect of a change in his form and/or movement on said motion of said swimmer.
Specification