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.

Date of Patent:
Jun. 28, 2022

Filed:

Jan. 27, 2021
Applicant:

Earlens Corporation, Menlo Park, CA (US);

Inventors:

Lindsay M. Prusick, San Mateo, CA (US);

Patricia H. Ho, Redwood City, CA (US);

Drew Dundas, San Anselmo, CA (US);

Paul Rucker, San Francisco, CA (US);

Assignee:

Earlens Corporation, Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H02M 3/08 (2006.01); H02M 7/10 (2006.01); H04B 5/00 (2006.01); H04R 25/02 (2006.01); H01F 27/24 (2006.01); H01F 38/14 (2006.01); H04R 3/04 (2006.01); H02J 50/12 (2016.01); H02M 7/06 (2006.01);
U.S. Cl.
CPC ...
H04R 25/456 (2013.01); H01F 27/24 (2013.01); H01F 38/14 (2013.01); H02M 3/08 (2013.01); H02M 7/10 (2013.01); H04B 5/0006 (2013.01); H04R 3/04 (2013.01); H04R 25/02 (2013.01); H04R 25/554 (2013.01); H04R 25/602 (2013.01); H04R 25/606 (2013.01); H04R 25/609 (2019.05); H04R 25/652 (2013.01); H02J 50/12 (2016.02); H02M 7/06 (2013.01); H04R 25/505 (2013.01); H04R 2225/021 (2013.01); H04R 2225/025 (2013.01); H04R 2225/0216 (2019.05); H04R 2225/33 (2013.01); H04R 2460/11 (2013.01); H04R 2460/13 (2013.01);
Abstract

In one embodiment, the present invention is directed to an ear tip having a proximal end and a distal end, the eartip including: a transmit coil, the transmit coil including a core of a ferromagnetic material, the ferromagnetic core having a central channel there through, a distal end of the ferromagnetic core positioned at a first opening in a distal end of the ear tip; a passage extending from an opening at a proximal end of the ear tip to the distal end of the ear tip, the passage ending at a second opening in the distal end of the ear tip, wherein a proximal end of the central channel is connected to the passage.


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