Allan G Hock: Biofeedback system for sensing body motion and flexure. Advantedge Systems, Vernon C Maine, Scott J Asmus, March 7, 2000: US06032530 (140 worldwide citation)

A method and apparatus for monitoring key components of body movement and flexure during kinetic activities, and providing intuitive, audible, real time biofeedback to the user. The system uses one or more transducers of types that are directionally sensitive to motion, distance, velocity, and the l ...

Robert A Connor: Motion recognition clothing [TM] with flexible electromagnetic, light, or sonic energy pathways. Medibotics, February 28, 2017: US09582072

This invention is an article of clothing or clothing accessory for measuring body motion, posture, and/or configuration comprising sets of multiple flexible electromagnetic, light, and/or sound energy pathways, wherein each set longitudinally spans the same body joint in a selected configuration to ...

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