US 11,889,271 B2
Charging protocol for rechargable hearing systems
Kulbir Sandhu, Fremont, CA (US); Cem Shaquer, Saratoga, CA (US); and Kyu-Hwa Jeong, Los Gatos, CA (US)
Assigned to Earlens Corporation, Menlo Park, CA (US)
Filed by Earlens Corporation, Menlo Park, CA (US)
Filed on Dec. 20, 2021, as Appl. No. 17/557,013.
Application 17/557,013 is a continuation of application No. 16/379,346, filed on Apr. 9, 2019, granted, now 11,350,226.
Application 16/379,346 is a continuation in part of application No. 15/384,013, filed on Dec. 19, 2016, granted, now 10,306,381, issued on May 28, 2019.
Claims priority of provisional application 62/433,195, filed on Dec. 12, 2016.
Claims priority of provisional application 62/273,002, filed on Dec. 30, 2015.
Prior Publication US 2022/0369052 A1, Nov. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 25/00 (2006.01); H02J 50/12 (2016.01); H02J 7/00 (2006.01)
CPC H04R 25/603 (2019.05) [H02J 50/12 (2016.02); H04R 25/554 (2013.01); H04R 25/602 (2013.01); H02J 7/00045 (2020.01); H04R 2225/31 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of charging a rechargeable battery in a hearing aid, the method comprising the steps of:
detecting a presence of a rechargeable hearing aid placed on or in a hearing aid charger;
generating a unique ID in the charger;
transmitting the unique ID to the hearing aid with the charger;
detecting an advertisement from the hearing aid on a network including the charger, wherein the advertisement is generated by the hearing aid in response the unique ID transmitted thereto, and wherein the hearing aid advertises itself on the network in response to demodulating the unique ID transmitted to the hearing aid;
associating the hearing aid to the charger in response to the detected advertisement;
radiating power from the charger to the hearing aid;
establishing the state of charge of the associated hearing aid prior to radiating power from the charger to the hearing aid; and
ending the association when the hearing aid is removed from the charger.