公开(公告)号：US20220295238A1

公开(公告)日：2022-09-15

申请号：US17635971

申请日：2020-08-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Darin Kyle Thompson ,  Vincent Scott Garmon

IPC: H04W4/10 ,  H04B1/3827

Abstract: A system, mobile radio, remote speaker microphone and wearable mask are provided. In one or more embodiments, a mobile radio is provided. A mobile radio is provided and includes communication interface configured to: receive at least one of first wireless audio signals from a wearable mask and second wireless audio signals from another mobile radio; and processing circuitry in operative communication with the communication interface, the processing circuitry configured to, if first wireless audio and second wireless audio signals are received by the communication interface, sum the first and second wireless audio signals for transmission to a remote speaker microphone if a first criterion is met.

公开(公告)号：US11785428B2

公开(公告)日：2023-10-10

申请号：US17635971

申请日：2020-08-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Darin Kyle Thompson ,  Vincent Scott Garmon

IPC: H04W4/10 ,  H04B1/3827

CPC classification number: H04W4/10 ,  H04B1/385 ,  H04B2001/3866

Abstract: A system, mobile radio, remote speaker microphone and wearable mask are provided. In one or more embodiments, a mobile radio is provided. A mobile radio is provided and includes communication interface configured to: receive at least one of first wireless audio signals from a wearable mask and second wireless audio signals from another mobile radio; and processing circuitry in operative communication with the communication interface, the processing circuitry configured to, if first wireless audio and second wireless audio signals are received by the communication interface, sum the first and second wireless audio signals for transmission to a remote speaker microphone if a first criterion is met.