US 12,439,214 B2
Hearing aid, in particular in-the-ear hearing aid
Hamed Hasani, Erlangen (DE)
Assigned to Sivantos Pte. Ltd., Singapore (SG)
Filed by Sivantos Pte. Ltd., Singapore (SG)
Filed on Apr. 7, 2023, as Appl. No. 18/297,103.
Claims priority of application No. 10 2022 203 528.3 (DE), filed on Apr. 7, 2022.
Prior Publication US 2023/0328466 A1, Oct. 12, 2023
Int. Cl. H04R 25/00 (2006.01)
CPC H04R 25/602 (2013.01) [H04R 2225/025 (2013.01); H04R 2225/51 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A hearing aid or an in-the-ear hearing aid, comprising:
a device housing having a housing shell insertable into an auditory canal, said device housing having a housing front plate closing said housing shell;
a battery accommodated in said device housing;
a signal processing device having a ground plane, said signal processing device disposed at least in sections between said battery and said housing front plate; and
an antenna device having at least two folded antenna arms, said antenna device disposed between said ground plane and said housing front plate;
said antenna arms extending as three-dimensional spirals or helices along a height direction perpendicular to said ground plane, and said antenna arms having at least one turn or pitch;
said antenna arms having antenna poles spaced apart from said ground plane, said antenna poles electrically connecting said antenna arms to one another; and
wherein said housing front plate has an outwardly directed bulge, and said antenna device form-lockingly engages in said outwardly directed bulge.