US 12,069,434 B2
Hearing device with active antenna switching
Sinasi Özden, Ballerup (DK); Jesper Thaysen, Skovlunde (DK); Søren Helstrup Kvist, Vaerlose (DK); and Jens Henrik Steffens, Ballerup (DK)
Assigned to GN HEARING A/S, Ballerup (DK)
Filed by GN Hearing A/S, Ballerup (DK)
Filed on Mar. 14, 2022, as Appl. No. 17/694,646.
Application 17/694,646 is a continuation of application No. PCT/EP2020/079482, filed on Oct. 20, 2020.
Claims priority of application No. 19205404 (EP), filed on Oct. 25, 2019.
Prior Publication US 2022/0279291 A1, Sep. 1, 2022
Int. Cl. H04R 25/00 (2006.01)
CPC H04R 25/505 (2013.01) [H04R 25/552 (2013.01); H04R 25/554 (2013.01); H04R 2225/51 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A hearing device comprising:
a processing unit configured to determine a hearing device mode of operation, the determined hearing device mode being a first mode or a second mode;
a first wireless communication unit and a second wireless communication unit;
an antenna;
an active matching device configured to couple the first and the second wireless communication units with the antenna;
wherein the active matching device in the first mode is configured to enable the antenna to perform electromagnetic radiation emission and electromagnetic radiation reception at a first frequency, and wherein the active matching device in the second mode is configured to adjust an antenna characteristic of the antenna to enable the antenna to perform electromagnetic radiation emission and electromagnetic radiation reception at a second frequency; and
wherein the active matching device comprises a first matching circuit associated with the first wireless communication unit, and a second matching circuit associated with the second wireless communication unit.