Piezo-electric force sensor and method

Details Piezo-electric force sensor and method Piezo-electric force sensor and method

2006-01-23

2008-12-30

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

Reexamination Certificate

active

07469593

ABSTRACT:
A force sensor system including at least one portion of piezo-electric material and a thrust bearing having at least one roller associated therewith, the roller being adapted to move relative to the thrust bearing and contact the portion of piezo-electric material when the thrust bearing is subjected to an external force.

REFERENCES:
patent: 5054323 (1991-10-01), Hubbard et al.
patent: 5527194 (1996-06-01), Strong et al.
patent: 5677488 (1997-10-01), Monahan et al.
patent: 6105439 (2000-08-01), Roger
patent: 6289749 (2001-09-01), Sanders
patent: 6920801 (2005-07-01), Van Leeuwen et al.
patent: 2006/0107765 (2006-05-01), Sentoku

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