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. 18, 1988
Filed:
Jul. 15, 1987
Applicant:
Inventors:
Dallas N Barr, Prince William County, VA (US);
Clifton S Fox, Prince William County, VA (US);
John E Nettleton, Prince William County, VA (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73657 ; 356349 ; 356358 ;
Abstract
The invention provides a vibration sensor with a platform mounted Bragg c frequency shifter and heterodyne detection system, wherein the reference beam is modulated with the component of platform vibration normal to the sensing beam, such that a similar modulation of the sensing beam is cancelled by the heterodyning process.
Quick Actions:
Barr, Dallas. (1988). Stabilized reference surface for laser vibration sensors (U.S. Patent No. 4777825). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4777825
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile