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:
Jul. 06, 1987
Filed:
Dec. 17, 1986
Applicant:
Inventors:
Robert W Jones, Huntsville, AL (US);
George R Edlin, Huntsville, AL (US);
Brian R Strickland, Huntsville, AL (US);
Thomas G Roberts, Huntsville, AL (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ; H01S / ;
U.S. Cl.
CPC ...
372-9 ; 372 32 ;
Abstract
A device for determining the direction of a neutral particle beam relative o a reference direction is provided. The technique of laser resonant fluorescence is used. Measurements are made near the doppler free angle and a direct view prism means is used for automatically compensating for small drifts in the laser frequency is used to insure that the most accurate alignment results are obtained even with laser frequency changes.