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. 15, 2019
Filed:
Nov. 09, 2016
Applicant:
Red Tail Hawk Corporation, Philadelphia, PA (US);
Inventor:
John W. Parkins, Philadelphia, PA (US);
Assignee:
Red Tail Hawk Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); A61F 11/08 (2006.01); H04M 1/05 (2006.01); H04R 1/08 (2006.01); H04R 3/04 (2006.01); H01Q 1/27 (2006.01); H01Q 7/08 (2006.01); A61F 11/14 (2006.01); H04M 1/215 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1091 (2013.01); A61F 11/08 (2013.01); H01Q 1/273 (2013.01); H01Q 7/08 (2013.01); H04M 1/05 (2013.01); H04R 1/08 (2013.01); H04R 1/1016 (2013.01); H04R 1/1083 (2013.01); H04R 3/04 (2013.01); A61F 11/14 (2013.01); H04M 1/215 (2013.01); H04R 2201/107 (2013.01); H04R 2420/07 (2013.01);
Abstract
A magnetic field antenna that provides high efficiency and a compact form factor. Electromagnetic shielding of electrical components used in the antenna is provided, and one embodiment of the invention is a wireless battery-free communications earplug.