Magnetic field antenna

Patent No. 9,525,930

Issued: December 20, 2016
Filed: February 27, 2014
Term Extension: 282 days

Inventor: Parkins; John W. (Ithaca, NY)
Assignee:Red Tail Hawk Corporation (Philadelphia, PA)


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.

Reference to Related Applications

This application is a continuation-in-part of co-pending U.S. application Ser. No. 12/832,363, published as publication number US 2010/0296667, now patent 8,693,720, entitled "Wireless Earplug with Improved Sensitivity and Form Factor", filed Jul. 8, 2010, which claimed the benefit of Provisional Application No. 61/224,531, filed Jul. 10, 2009, entitled "Wireless Earplug with Improved Sensitivity and Form Factor", and was a continuation-in-part of U.S. application Ser. No. 11/837,129, published as publication number US 2009/0041285, now patent 8,688,036, entitled "Wireless Communications Headset System Employing a Loop Transmitter That Fits Around the Pinna", filed Aug. 10, 2007, which claimed the benefit of Provisional Application No. 60/824,091, filed Aug. 31, 2006, entitled "Wireless Communications System Employing a Loop Transmitter That Fits Around The Pinna". The aforementioned applications are hereby incorporated herein by reference.

This patent is subject to a Terminal Disclaimer.


Go Back for more representative patents.


Home || Intellectual Property || Patents || Trademarks || Copyrights


Brown & Michaels, PC
400 M & T Bank Building
118 North Tioga Street - The Commons
Ithaca, NY 14850
Phone: (607) 256-2000 - Fax: (607) 256-3628

e-mail: bpm@bpmlegal.com

© 2017 Brown & Michaels PC