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:
Jan. 17, 2017
Filed:
Jun. 09, 2015
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); H01Q 7/06 (2006.01); H04B 5/00 (2006.01); A61F 11/08 (2006.01); H01Q 1/27 (2006.01); H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
H01Q 7/06 (2013.01); A61F 11/08 (2013.01); H01Q 1/273 (2013.01); H04B 5/0006 (2013.01); H04B 5/0075 (2013.01); H04R 1/1008 (2013.01); H04R 1/1091 (2013.01); H04R 25/554 (2013.01); H04R 2209/022 (2013.01); H04R 2420/07 (2013.01);
Abstract
A magnetic field transmitter, especially a transmitter used in conjunction with wireless communications earplugs. In one embodiment, a plate of magnetic material is used behind a coil of electrical conductor to improve the efficiency of the transmitter and to provide electrical and magnetic shielding. The specific dimensions and characteristics of the preferred embodiment of the transmitter described herein provide for efficient wireless communications.