US 12,279,093 B2
Hearing device chargers and hearing devices for use with same
Jaewoo Kim, Waterloo (CA); Sahba Aazami, Founex (CH); and Mika Ilvonen, Guelph (CA)
Assigned to Sonova AG, Staefa (CH)
Filed by Sonova AG, Stäfa (CH)
Filed on Mar. 21, 2023, as Appl. No. 18/187,032.
Prior Publication US 2024/0323622 A1, Sep. 26, 2024
Int. Cl. H04R 25/00 (2006.01)
CPC H04R 25/556 (2013.01) [H04R 25/60 (2013.01); H04R 2225/025 (2013.01); H04R 2225/31 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A hearing system, comprising:
a hearing device including
a microphone,
a receiver operably connected to the microphone,
a rechargeable power source, and
a receiver antenna assembly, with a receiver core having a relatively high magnetic permeability and a receiver coil wound around the receiver core, operably connected to the rechargeable power source; and
a hearing device charger including
a power supply, and
a transmitter antenna assembly, with a transmitter core having a relatively high magnetic permeability and a transmitter coil wound around the transmitter core, operably connected to the power supply;
wherein the respective configurations of the hearing device and the hearing device charger are such that when the hearing device is in a charging position on the hearing device charger, the receiver core and the transmitter core together provide a closed loop path for magnetic flux.