Boots – shoes – and leggings
Patent
1996-05-20
1998-06-30
Trammell, James P.
Boots, shoes, and leggings
364550, 33366, G01C 906
Patent
active
057743738
ABSTRACT:
A position sensing apparatus has an insulating body with an interior surface defining a void within the insulating body. Electrodes extend through the body and terminate as electrical contacts on the interior surface. Two non-mixing fluids with distinct electrical properties are positioned in the void. This results in a first set of electrical signals on a first set of electrical contacts and a second set of electrical signals on a second set of electrical contacts. The first set of electrical signals and the second set of electrical signals specify a first angular inclination value (pitch) and a second angular inclination value (roll) characterizing the position of the sensing apparatus.
REFERENCES:
patent: 4486844 (1984-12-01), Brunson et al.
patent: 4779353 (1988-10-01), Lopes et al.
patent: 5365671 (1994-11-01), Yaniger
patent: 5416977 (1995-05-01), Striffler
Galliani William S.
Kaminis Shah
Sun Microsystems Inc.
Trammell James P.
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