公开(公告)号：US20220360884A1

公开(公告)日：2022-11-10

申请号：US17621438

申请日：2020-06-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Sebastian Eggert-Richter ,  Michael H. Stalder ,  Christian Weinmann ,  Benhard C. Schneider ,  Paul H.R. Jolly

IPC: H04R1/10 ,  H04W4/029

Abstract: A hearing protection device is provided. The hearing protection device includes a first earmuff connected to a second earmuff by a headband. Each of the first and second earmuffs are configured to dampen ambient sound. The hearing protection device also includes an antenna, located within a housing of the first earmuff. The antenna comprises a rigid portion coupled to a flexible portion. Both the rigid portion and the flexible portion are fixed within the housing. The flexible portion is configured to remain substantially in line with a ground plane with respect to the rigid portion.