Boots – shoes – and leggings
Patent
1987-03-10
1991-04-09
Smith, Jerry
Boots, shoes, and leggings
128744, G06F 1542
Patent
active
050069845
ABSTRACT:
Method and apparatus for measuring physical parameters, such as mass, and spring and damping constants, of a bone region of a human subject. The bone region is excited by a vibratory probe in a frequency range between about 70-1,600 Hertz, and the mechanical response of the tissue to the vibratory excitation is measured and converted to frequency-dependent force/displacement data. By correlating the force/displacement values determined from the force/displacement data with the behavior of a linear mechanical system having coupled bone and skin mass, the physical parameters which are contained in the equation of motion can be calculated.
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Petersen, (1977) "Noninvasive Determination of Bone Stiffness", (Dissertation, Dept. Applied Mechanics, Stanford University), pp.1-194.
Dehlinger Peter J.
Smith Jerry
Stanford University
Tbui Kim Thanh
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