Measuring and testing – Muscular force – Impact
Patent
1995-03-24
1998-04-21
Dombroske, George M.
Measuring and testing
Muscular force
Impact
73 1201, A63B 6900, G01L 502, A61B 522
Patent
active
057419701
ABSTRACT:
An apparatus for measuring the force of an impact delivered by a user, comprises an impact receiving section for absorbing the impacts delivered by the user. The impact receiving section includes an open cell foam layer for generating pressure pulses which vary in amplitude according to the location where the impact is delivered on the impact receiving section by the user. A pressure sensor which communicates with the impact receiving section, is provided for receiving the pressure pulses generated by the open cell foam layer and provides an electrical signal which is indicative of the impacts delivered by the user. The apparatus also includes an electrical circuit which comprises a high pass filter coupled to the pressure sensor, for filtering the electrical signal generated by the pressure sensor. A threshold detector circuit is coupled to the high pass filter, for detecting if the electrical signal exceeds a predetermined level. The threshold detector is also coupled to a reflex tester circuit for measuring the user's reflexes. A peak detector and storage circuit responsive to the threshold detector circuit, is coupled to the high pass filter, for tracking the peak level of any electrical signal exceeding the predetermined level and storing that peak level. A display circuit is coupled to the peak detector/storage circuit and the reflex tester circuit for displaying the stored peak level to the user as a measure of force and the response time of the user's reflexes.
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