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:
Mar. 07, 2000
Filed:
Oct. 21, 1997
Applicant:
Inventor:
Frank L Rees, Baltimore, MD (US);
Assignee:
Flight Safety Technologies, Inc., New London, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P / ; G01N / ; H04R / ;
U.S. Cl.
CPC ...
356 285 ; 356342 ; 367149 ;
Abstract
Method and apparatus for detecting conditions in the atmosphere which are hazardous to flying aircraft and providing early warning to pilots or ground personnel. The method includes using a laser beam and a coherent optical receiver to optically sense sound waves produced by those hazardous conditions and measuring the effect of those sound waves on the transmitted and received optical beams.