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1. (WO2018079880) PUBLIC ADDRESS DEVICE USING CAN COMMUNICATION

Pub. No.:    WO/2018/079880    International Application No.:    PCT/KR2016/012203
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Sat Oct 29 01:59:59 CEST 2016
IPC: H04H 20/61
H04H 20/12
H04H 20/47
H04H 60/06
Applicants: L&B TECHNOLOGY CO.,LTD
주식회사 엘앤비기술
Inventors: KIM, Hyun-Tae
김현태
Title: PUBLIC ADDRESS DEVICE USING CAN COMMUNICATION
Abstract:
The present invention relates to a public address device using CAN communication, and to a public address device using CAN communication, the device recovering CAN communication by checking whether there is an error in a CAN bus line. To this end, disclosed is a public address device using CAN communication, comprising: a main controller for transmitting, according to a communication protocol, a sound source signal, a voice signal, a public address signal, which is a media signal, and a control signal; and a sub controller receiving the public address signal and the control signal from the main controller so as to perform control such that the public address signal is outputted, wherein the main controller and the sub controller comprise CAN communication units so as to mutually transmit and receive data by CAN communication.