Multielement sensor

Details Multielement sensor Multielement sensor

1998-03-24

1999-09-07

Williams, Hezron

Measuring and testing

Dynamometers

Responsive to multiple loads or load components

73862041, 7350403, 73510, G01L 100, G01L 300

Patent

active

059489960

ABSTRACT:
A small-sized multielement sensor is capable of two- or three-dimensionally detecting a physical quantity. The sensor has the capability of compensating for an incorrect detection result given by a failed sensor element using detection results given by the other sensor elements thereby ensuring high accuracy is achieved regardless of the failure. The multielement sensor includes: a base including a disk-shaped substrate, an outer wall, and a column which are all disposed so that their center is located at the same point; flexible plates which are disposed along a circular line in such a manner that one end of each flexible plate is in contact with the outer wall and the other end is in contact with the column; weights suspended at the center of the lower surface of the respective flexible plates; and piezoelectric elements each having a pair of electrodes and disposed on both ends in the longitudinal direction of the flexible plates.

REFERENCES:
patent: 4950914 (1990-08-01), Kurihara et al.
patent: 5100498 (1992-03-01), Takeuchi et al.
patent: 5365799 (1994-11-01), Okada
patent: 5414322 (1995-05-01), Kosinski et al.
patent: 5571972 (1996-11-01), Okada
patent: 5814922 (1998-09-01), Uchino et al.

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