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PHYSICAL TRAINING SYSTEM

  • US 3,808,707 A
  • Filed: 04/03/1972
  • Issued: 05/07/1974
  • Est. Priority Date: 04/03/1972
  • Status: Expired due to Term
First Claim
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1. A system for training an individual in a non-cyclical physical activity requiring non-cyclical muscular activity of the arms, torso, and legs at varying rates and at varying levels of exertion during a predetermined time period comprising generating an audible signal having a duration equal to the predetermined time period and varying non-periodically in frequency and in intensity during each individual cycle of muscular acitvity in proportion to rate of muscular activity and in proportion to level of muscular exertion, respectively.

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