U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Multidimensional force sensor

Patent 5083466 Issued on January 28, 1992. Estimated Expiration Date: Icon_subject May 11, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3304787

Non-contacting device for sensing multi-component motion
Patent #: 4303919
Issued on: 12/01/1981
Inventor: Dimeff

Planar semiconductor three direction acceleration detecting device and method of fabrication
Patent #: 4342227
Issued on: 08/03/1982
Inventor: Petersen ,   et al.

Device for measuring force
Patent #: 4552028
Issued on: 11/12/1985
Inventor: Burckhardt ,   et al.

Micromachined accelerometer with electrostatic return
Patent #: 4711128
Issued on: 12/08/1987
Inventor: Boura

Acceleration detecting apparatus formed by semiconductor Patent #: 4891984
Issued on: 01/09/1990
Inventor: Fujii, et al.

Inventors

Assignee

Application

No. 522528 filed on 05/11/1990

US Classes:

73/862.041, Responsive to multiple loads or load components73/514.33, Resistive sensor73/862.626Inductance or capacitance sensor

Examiners

Primary: Ruehl, Charles A.

Attorney, Agent or Firm

Foreign Patent References

  • 2118260 JP. 05/13/1987
  • 63-118667 JP. 05/13/1988

International Classes

G01L 005/16
G01P 015/12

Abstract

A multibeam structure measures displacement of one or more response elements to detect multiple components of applied force. The flexible beams are each coupled to a response element which may be displaced by a force arising from linear acceleration, angular acceleration, fluid flow, electric/magnetic/gravitational fields, and others sources. The displacement of the response element is detected with a variety of sensing methods including capacitive and piezoresistive sensing.

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