Arrangement for the determination of movement sequences in runni

Details Arrangement for the determination of movement sequences in runni Arrangement for the determination of movement sequences in runni

1985-12-23

1988-04-05

Lall, Parshotam S.

Boots, shoes, and leggings

342118, 34087015, 340323R, 455100, 272100, 235105, G01C 2200, G08C 1500, H04B 134, A63B 500

Patent

active

047363126

ABSTRACT:
A system with pressure sensors (5, 12), transmitters (8, 16, 18) and receivers (10, 21) provided in running shoes (2, 3) that upon the shoes (2, 3) leaving or contacting the ground (14) emit and/or receive respective signals (S1, S2, S3, S4). Signals (S1, S2, S4) are formed which are received by a receiver (21) that is independent of the shoes and which are evaluated in an evaluation unit (23). The distance between the feet (FA) is determined from when a front striding foot hits the ground and the rear foot lifts off based upon the timing between the signals using an approximating formula. From the times and the stride length other values movement characteristics of the user may be determined as well.

REFERENCES:
patent: 4371945 (1983-02-01), Karr et al.
patent: 4571680 (1986-02-01), Wu
patent: 4578769 (1986-03-01), Frederick
patent: 4630226 (1986-12-01), Tanaka

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