Van Cuong Bui,Anton J. Hjalmarsson,Roger Kihlberg,Yossi Sivilia,Sahar Fisch,Semion Dorfman,Guy Shmuel Melamed,Beylem Cindoglu,Abir Nagia,Yuchun He
申请号：
US16313495
公开号：
US20190314207A1
申请日:
2017.06.29
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A method of retrofitting a hearing protector with an active communication device. The method has steps of providing a hearing protector, providing the active communication device and retaining the active communication device at the hearing protector. Further, a hearing protector is provided having two generally dome-shaped earmuffs, an active communication device comprising a loudspeaker and electronic circuitry which comprises a wireless communication interface, and wherein the active communication device has a mounting ring that is retained between an outer shell and a cushioning of the earmuff.
