公开(公告)号：EP2651071A4

公开(公告)日：2017-11-15

申请号：EP11846113

申请日：2011-12-09

Applicant: TOA CORP

Inventor： EJIMA KEN'ICHI ,  OGURA TAKASHI ,  MORIGUCHI KOJI

IPC: H04R3/00 ,  H04L9/00 ,  H04L29/06 ,  H04R1/08 ,  H04W12/02

CPC classification number: H04R3/00 ,  H04L9/00 ,  H04L63/0428 ,  H04R1/08 ,  H04R2420/07 ,  H04W12/02

Abstract: Provided is a wireless microphone system (1) comprising a microphone (10) and a wireless receiver (30), wherein the wireless microphone system (1) is provided with: a normal communication mode in which communication is performed by using a normal unique word (UWN) preset in both the microphone and the wireless receiver devices; a confidential setting mode in which a confidential unique word (UWX) is transmitted without being set in either of said devices; and a confidential communication mode in which communication is performed by both said devices by using the confidential unique word (UWX) set by the confidential setting mode.