Measuring and testing – Dynamometers – Responsive to multiple loads or load components
Reexamination Certificate
2007-08-21
2007-08-21
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Dynamometers
Responsive to multiple loads or load components
C073S862041, C073S862042, C073S862043, C073S862044, C073S862045
Reexamination Certificate
active
11178994
ABSTRACT:
A sensor for measuring a parameter applied to a surface is provided. The sensor includes at least one substrate layer, a plurality of individual sensor elements operatively arranged with respect to the substrate layer, and a conductive trace disposed on the substrate layer. The conductive trace is electrically coupled to an individual sensor element and wraps around at least a portion of the sensor element in a spiral-like manner. Further, by employing slits or cut-outs of material between sensor elements, a sensor element may move independent of an adjacent sensor element, thereby allowing the sensor to conform to an irregularly shaped surface or otherwise when subject to relatively large deflections. The sensor may be employed to detect force distribution of a seating surface, such as a seat cushion of a wheelchair.
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George Christopher
Lowe Mark
Malacaria Charles
Papakostas Thomas
Kirkland, III Freddie
Lefkowitz Edward
Tekscan Incorporated
Wolf Greenfield & Sacks
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