Stride evaluation system
First Claim
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1. An improved system for determining stride forces produced by a sport participant in a sporting event, said system comprising:
- a first portable housing (10) for placement on each leg of said participant, said housing being oriented in close proximity to the extremity of said leg near the location of the stride forces produced by said leg,means firmly engaging around said leg and connected to said first portable housing for holding said housing against the outer surface near the ankle of said leg,means (200) in said first portable housing for sensing the vibrations from said ankle caused by said stride force, said vibrations being proportional to the magnitude of said stride force produced by said leg, said sensing means also generating a signal (642) corresponding to the magnitude of each said stride force,a second portable housing (20) for placement on the body of said participant,means (25) in said second portable housing receptive of said signal from said sensing means for storing stride information corresponding to (a) the magnitude of said stride force and (b) the relative time of said occurrence of said stride force signal, said receiving means also transmitting said stride information (40) to a remote location, andmeans (30) at a remote location for receiving said transmitted stride information from said storing means, said receiving means also displaying said stride information.
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Abstract
A system for displaying the occurrence and magnitude of stride forces produced by a sport participant in a sporting event having a first portable housing placed on the legs of the participant for sensing the stride force and a second portable housing located elsewhere on the body of the participant for receiving the force signals from each portable sensor located on the legs of the participant and for storing that information or for transmitting it to a remote location.
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Citations
11 Claims
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1. An improved system for determining stride forces produced by a sport participant in a sporting event, said system comprising:
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a first portable housing (10) for placement on each leg of said participant, said housing being oriented in close proximity to the extremity of said leg near the location of the stride forces produced by said leg, means firmly engaging around said leg and connected to said first portable housing for holding said housing against the outer surface near the ankle of said leg, means (200) in said first portable housing for sensing the vibrations from said ankle caused by said stride force, said vibrations being proportional to the magnitude of said stride force produced by said leg, said sensing means also generating a signal (642) corresponding to the magnitude of each said stride force, a second portable housing (20) for placement on the body of said participant, means (25) in said second portable housing receptive of said signal from said sensing means for storing stride information corresponding to (a) the magnitude of said stride force and (b) the relative time of said occurrence of said stride force signal, said receiving means also transmitting said stride information (40) to a remote location, and means (30) at a remote location for receiving said transmitted stride information from said storing means, said receiving means also displaying said stride information. - View Dependent Claims (2, 3)
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4. An improved system for determining stride forces produced by a sport participant in a sporting event, said system comprising:
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a first portable housing (10) for placement on each leg of said participant, said housing being oriented in close proximity to the extremity of said leg near the location of the stride forces produced by said leg, means firmly engaging around said leg and connected to said first portable housing for holding said housing against the outer surface near the ankle of said leg, means (200) in said first portable housing for sensing the vibrations from said ankle caused by said stride force, said vibrations being proportional to the magnitude of said stride force produced by said leg, said sensing means further generating a signal (642) corresponding to the magnitude of each said stride force, said sensing means comprising; (a) means (600,
610) for detecting said vibrations (602), said detecting means also issuing an analog signal (614) proportional to said stride force,(b) means (620) receptive of said analog signal from said detecting means for producing a window signal (624) only when the analog signal (614) is greater than a predetermined value, and (c) means (630,
640) receptive of said window signal from said producing means for generating said digital signal (642),a second portable housing (20) for placement on the body of said participant, and means (25) in said second portable housing receptive of said signal from said sensing means for storing stride information corresponding to (a) the magnitude of said stride force and (b) the time of said occurrence of said stride force signal. - View Dependent Claims (5, 6)
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7. An improved system for determining stride forces produced by a sport participant in a sporting event, said system comprising:
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means (50) for visually recording said sporting event, a first portable housing (10) for placement on each leg of said participant, means firmly engaging around said leg and connected to said first portable housing for holding said housing against the outer surface near the ankle of said leg, means (200) in said first portable housing for sensing the vibrations from said ankle caused by said stride force, said vibrations being proportional to the magnitude of said stride force produced by said leg, said sensing means further generating a digital signal (642) corresponding to each said stride force, a second portable housing (20) for placement on the body of said participant, means (25) in said second portable housing receptive of said signal from said sensing means for transmitting stride information corresponding to (a) the presence of said stride force and (b) the time of occurrence of each said stride force signal, to a remote location, means (30) at a remote location for receiving said transmitted stride information from said transmitting means, and means (60) connected to said receiving means (30) and to said visually recording means (50) for synchronizing, in time, the visual recording to the occurrence of each stride force by the sport participant so that the strides are displayed on said visual recording of the sporting event on a monitor at substantially the time of the occurrence of each said force.
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8. A system for storing stride information for a horse being ridden by a person using a whip, said system comprising:
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hoof sensors for placement on each ankle of each leg of said horse, each said hoof sensor firmly engaging the ankle of said leg and each said hoof sensor further generating a signal at a first frequency corresponding to the hoof placement pressure of the hoof near which it is placed and the relative time of said placement, a whip sensor for placement on said whip, said whip sensor also generating a signal at a second frequency corresponding to the whip force when said whip is used on said horse by said person and the relative time of said whip use, means receptive of said signals at said first and second frequencies from said hoof and whip sensors for storing said hoof placement pressures and said relative placement times from each said hoof when said hoof strikes the ground and said whip force and said relative whip use times when said whip strikes said horse, said hoof placement pressures said whip force and said relative times comprising said stride information. - View Dependent Claims (9, 10, 11)
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Specification