Electronic system to be applied invariable resistance...

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing fluid resistance

Reexamination Certificate

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Details

C482S133000, C482S009000

Reexamination Certificate

active

07572213

ABSTRACT:
A control system is provided for an exercise machine. The control system varies the resistance of the exercise machine. The control system varies the resistance based on voice commands, based on commands programmed by the user, and based on how the user performs an exercise. The exercise machine can include a pneumatic system that can produce constant or variable resistance during on exercise, can include cable exercises, can include exercises utilizing a cam, and can include a cam that can be moved between different operative positions.

REFERENCES:
patent: 4618144 (1986-10-01), Gibson
patent: 4911436 (1990-03-01), Lighter
patent: 5058887 (1991-10-01), Patterson
patent: 5419751 (1995-05-01), Byrd et al.
patent: 5785635 (1998-07-01), Gerschefske et al.
patent: 7413534 (2008-08-01), Bucay-Bissu et al.

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