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1. 发明申请

US20130094622A1 SYSTEM AND METHOD FOR SYNCHRONIZATION OF NETWORKED FIRE ALARM PANELS 有权
标题翻译：网络火灾报警面板同步的系统与方法
公开(公告)号：US20130094622A1
公开(公告)日：2013-04-18
申请号：US13271976
申请日：2011-10-12
申请人： Jaime Yu , Michael W. Greene , Erick Drummond
发明人： Jaime Yu , Michael W. Greene , Erick Drummond
IPC分类号： H04L7/00
CPC分类号： G08B5/38 , G08B25/007 , G08B25/04 , G08B26/005 , G08B29/123 , H04J3/0667 , H04L12/422
摘要： A system and method for synchronizing a plurality of networked fire alarm panels is disclosed. A plurality of fire panels (i.e., nodes) are arranged on a peer-to-peer network, such as a token ring network. One node is designated as a SyncHost, and the remaining nodes are periodically reset to the clock time associated with the SyncHost to ensure all nodes remain substantially synchronized to a single time. Upon alarm, the visual notification devices (i.e., strobe lights) of all the fire panels (nodes) will flash at substantially the same time. To accomplish the synchronization, the SyncHost sends periodic attendance polls around the network, noting the transit times of the polls. The nodes also note times associated with the polls. The SyncHost sends a sync message to the nodes, and each of the nodes resets its clock according to the sync message and internal compensations. Other embodiments are disclosed and claimed.
摘要翻译：公开了一种用于同步多个联网的火灾报警面板的系统和方法。多个防火板（即，节点）被布置在诸如令牌环网络的对等网络上。一个节点被指定为SyncHost，其余节点周期性地重置为与SyncHost相关的时钟时间，以确保所有节点在单个时间内保持基本同步。在报警时，所有防火板（节点）的视觉通知装置（即闪光灯）将基本上同时闪烁。为了完成同步，SyncHost在网络周围发送周期性的考勤轮询，注意轮询的传输时间。节点还注意与轮询相关联的时间。 SyncHost向节点发送同步消息，每个节点根据同步消息和内部补偿重新设置其时钟。公开和要求保护其他实施例。

2. 发明授权

US09245427B2 System and method for synchronization of networked fire alarm panels 有权
标题翻译：网络火灾报警面板同步的系统和方法
公开(公告)号：US09245427B2
公开(公告)日：2016-01-26
申请号：US13271976
申请日：2011-10-12
申请人： Jaime Yu , Michael W. Greene , Erick Drummond
发明人： Jaime Yu , Michael W. Greene , Erick Drummond
IPC分类号： G08B5/38 , G08B25/04 , H04L12/42 , H04J3/06 , G08B25/00 , G08B26/00 , G08B29/12
CPC分类号： G08B5/38 , G08B25/007 , G08B25/04 , G08B26/005 , G08B29/123 , H04J3/0667 , H04L12/422
摘要： A system and method for synchronizing a plurality of networked fire alarm panels is disclosed. A plurality of fire panels (i.e., nodes) are arranged on a peer-to-peer network, such as a token ring network. One node is designated as a SyncHost, and the remaining nodes are periodically reset to the clock time associated with the SyncHost to ensure all nodes remain substantially synchronized to a single time. As such, when an alarm condition is signaled, the visual notification devices (i.e., strobe lights) of all the fire panels (nodes) will flash at substantially the same time, in accordance with government guidelines. To accomplish the synchronization, the SyncHost sends periodic attendance polls around the network, noting the transit times of the polls. The individual nodes on the network also note times associated with the polls. The SyncHost sends a sync message to the nodes, and each of the individual nodes resets its internal clock according to the sync message and internal compensations calculated that are based on the attendance poll transit times. Other embodiments are disclosed and claimed.
摘要翻译：公开了一种用于同步多个联网的火灾报警面板的系统和方法。多个防火板（即，节点）被布置在诸如令牌环网络的对等网络上。一个节点被指定为SyncHost，并且其余节点周期性地重置为与SyncHost相关联的时钟时间，以确保所有节点保持基本上同步到单个时间。因此，当发出报警条件时，所有防火板（节点）的视觉通知装置（即闪光灯）将在大致相同的时间根据政府的指导方针闪烁。为了完成同步，SyncHost在网络周围发送周期性的考勤轮询，注意轮询的传输时间。网络上的各个节点也注意与轮询相关联的时间。 SyncHost向节点发送同步消息，每个节点根据同步消息重新设置其内部时钟，并根据出勤轮询时间计算内部补偿。公开和要求保护其他实施例。

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