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:
Apr. 12, 1977
Filed:
Mar. 10, 1976
Applicant:
Inventors:
Nelson B Tharp, Ellicot City, MD (US);
John W Henry, Paeonian Springs, VA (US);
George F Leydorf, Birmingham, MI (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343719 ; 343841 ; 343872 ;
Abstract
Hardening of an electromagnetic wave sensor is accomplished by housing it low ground in a protective reinforced concrete structure that supports a cage of insulated conductors that has an interior portion that partially surrounds the sensor so as to shield it from electrical disturbances and an exterior portion that interacts with electromagnetic wave energy present at the ground level and improves the signal couplng to the sensor.