公开(公告)号：US20180376111A1

公开(公告)日：2018-12-27

申请号：US15776974

申请日：2016-03-15

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： ROBERT MROWIEC ,  RAFAL JAN KAMINSKI ,  ANDRZEJ LICHNEROWICZ ,  MARIUSZ R. WAWROWSKI

IPC: H04N7/18 ,  G10L25/51 ,  G10L25/72

Abstract: During operation a first personal-area network will activate a first camera. The first camera may be manually activated, or triggered by an audio signal. The event that causes the first camera to activate will also cause the personal-area network to send an acoustic signature to other personal-area networks. Personal-area networks that receive the acoustic signature will modify audio triggers so that the acoustic signature can be better distinguished from other noises.