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:
Oct. 27, 1998
Filed:
Jan. 22, 1997
Applicant:
Inventors:
Thomas C Hale, Los Alamos, NM (US);
Kenneth L Telschow, Idaho Falls, ID (US);
Assignee:
Lockheed Martin Idaho Technologies Company, Idaho Falls, ID (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B / ; G01H / ;
U.S. Cl.
CPC ...
73657 ; 73656 ; 356347 ; 356349 ; 359240 ;
Abstract
A vibration detection assembly is described which includes an emitter of light which has object and reference beams, the object beam reflected off of a vibrating object of interest; and a photorefractive substance having a given response time and which passes the reflected object beam and the reference beam, the reference beam and the object beam interfering within the photorefractive substance to create a space charge field which develops within the response time of the photorefractive substance.