Exit route indication via synchronized audible cues

• Main Authors: ENCATA JOHN J, DAVIDSON, GREG, KUMAR RAVINDRA, SETHIA SUNEEL, POWER, STEVEN, B, RADHAKRISHNAN ARUN P, AHMAD SAYEED NAYEEM
• Format: Patent
• Language: Chinese; English
• Published: 19.09.2023
• Subjects: ALARM SYSTEMS; BROADCAST COMMUNICATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ORDER TELEGRAPHS; PHYSICS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS

Guiding a person towards an exit of the facility includes sending messages to a plurality of sounder devices, each message addressed to a corresponding one of the sounder devices and including a payload specifying one or more timing parameters unique to the corresponding sounder device, the one or more timing parameters specify when a corresponding sounder device emits an audible alarm. A broadcast alert message is sent to all of the sounder devices. In response to receiving the broadcast alarm message, each of the sounder devices emits an audible alarm according to one or more timing parameters unique to the corresponding sounder device relative to the time at which the broadcast alarm message is received to produce a perceptible sequential audible scan from the sounder device towards the exit of the facility. 引导人们朝向设施的出口包括向多个发声器设备发送消息，每个消息被寻址到发声器设备中的对应的一个发声器设备并且包括有效载荷，该有效载荷指定对于对应发声器设备唯一的一个或多个定时参数，该一个或多个定时参数指定对应发声器设备何时发出可听警报。广播警报消息被发送到所有发声器设备。响应于接收到广播警报消息，发声器设备中的每个发声器设备根据相对于接收到广播警报消息的时间对于对应发声器设备唯一的一个或多个定时参数发