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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0570759 (1995-12-12) |
| 발명자 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 403 인용 특허 : 0 |
A device that measures the distance traveled, speed, and height jumped of a person while running or walking. Accelerometers and rotational sensors are placed in the sole of one shoe along with an electronic circuit that performs mathematical calculations to determine the distance and height of each
A device that measures the distance traveled, speed, and height jumped of a person while running or walking. Accelerometers and rotational sensors are placed in the sole of one shoe along with an electronic circuit that performs mathematical calculations to determine the distance and height of each step. A radio frequency transmitter sends the distance and height information to a wristwatch or other central receiving unit. A radio frequency receiver in the wristwatch or other unit is coupled to a microprocessor that calculates an output speed based upon step-distance and elapsed time, and the distance traveled of the runner from the sum of all previous step distances. The output of the microprocessor is coupled to a display that shows the distance traveled, speed, or height jumped of the runner or walker.
[ I claim:] [1.] A system for measuring the speed of a person, said system comprising:a plurality of accelerometers and rotational sensors disposed in the shoe of said person, said accelerometers configured so as to provide acceleration signals corresponding to accelerations associated with the move
[ I claim:] [1.] A system for measuring the speed of a person, said system comprising:a plurality of accelerometers and rotational sensors disposed in the shoe of said person, said accelerometers configured so as to provide acceleration signals corresponding to accelerations associated with the movement of said shoe as said person takes a step, said rotational sensors configured so as to provide angular signals corresponding to the angle of said shoe about an axis of a three dimensional translational coordinate;a calculator coupled to said accelerometers and said rotational sensors configured so as to receive said acceleration signals and said angular signals, said calculator adapted to measure the distance traversed during each step and the speed of said person.
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