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. 26, 2024
Filed:
Mar. 21, 2023
Applicant:
Hrl Laboratories, Llc, Malibu, CA (US);
Inventors:
Carson R. White, Agoura Hills, CA (US);
Walter S. Wall, Calabasas, CA (US);
Assignee:
HRL LABORATORIES, LLC, Malibu, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/15 (2006.01); H01Q 1/28 (2006.01); H01Q 1/30 (2006.01); H04B 7/185 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/30 (2013.01); H04B 7/18504 (2013.01);
Abstract
A system for subsurface transmission includes an array of very low frequency (VLF) transmitter nodes supported by semi-autonomous maritime, airborne, or space platforms spaced at regular intervals from their nearest neighbors and phased to localize VLF coverage to some desired area on a body of water.