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. 23, 2004
Filed:
Apr. 18, 2003
Applicant:
Inventors:
James R. McElhanon, Manteca, CA (US);
Thomas Zifer, Manteca, CA (US);
LeRoy L. Whinnery, Danville, CA (US);
Assignee:
Sandia National Laboratories, Livermore, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 1/24 ;
U.S. Cl.
CPC ...
G01L 1/24 ;
Abstract
There is provided a light emitting device comprising a plurality of triboluminescent particles dispersed throughout an elastomeric body and activated by deforming the body in order to transfer mechanical energy to some portion of the particles. The light emitted by these mechanically excited particles is collected and directed into a light conduit and transmitted to a detector/indicator means.