The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 1989
Filed:
Nov. 14, 1988
Robert L Leon, Roslyn, PA (US);
Liberty Technology Center, Inc., Conshohocken, PA (US);
Abstract
A strain sensor device is disclosed for attachment to a structural member for measuring strains experienced by the member along a strain axis. The strain sensor device comprises a tensile strain member secured to the structural member generally parallel to the strain axis. Two strain gages are secured to the tensile strain member, one of the strain gages being longitudinally oriented with respect to the strain member to experience longitudinal strain and the other of the strain gages being transversely oriented with respect to the strain member to experience Poisson strain. The two strain gages comprise a strain gage bridge circuit for generating electrical signals proportional to strains sensed in the structural member.