Title:
COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2023048595
Kind Code:
A
Abstract:
To provide a communication system with a higher added value by combining or the like an intercom system and a surveillance camera system.SOLUTION: A network loudspeaker system includes: an audio communication terminal that generates audio data related to a sound source and transmits it via a network; and a loudspeaker device that reproduces the audio data received from the audio communication terminal via the network and loudspeaker-broadcasts it. The network loudspeaker system includes an interface capable of receiving an emergency signal that triggers an emergency broadcast by an external emergency broadcasting facility, and performs broadcast control to cause the loudspeaker device to or not to reproduce the audio data depending on whether the emergency signal is received via the interface.SELECTED DRAWING: Figure 1
Inventors:
SUGASE MAKOTO
MIYAWAKI TAKASHI
MIYAWAKI TAKASHI
Application Number:
JP2021158011A
Publication Date:
April 07, 2023
Filing Date:
September 28, 2021
Export Citation:
Assignee:
TOA CORP
International Classes:
H04M3/487; G08B27/00; H04N7/18