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    • 16. 发明授权
    • Storm shutter fastener and quick release system for emergency egress
    • 风暴快门紧固件和紧急出口快速释放系统
    • US08091285B1
    • 2012-01-10
    • US11460387
    • 2006-07-27
    • Edward A. WolfMark Clark
    • Edward A. WolfMark Clark
    • E06B3/32
    • E06B9/02E06B2009/005Y10T292/42Y10T292/426
    • A storm and hurricane shutter quick release mechanism for permitting quick egress from a building that has storm shutters attached to the doors and windows to allow someone inside the building to leave the building quickly. The system includes a quick release housing mounted at the base of each shutter panel attached to the building that includes removable studs that are actuated by a cam mechanism from the inside of the building that release the attaching studs that hold the shutters in place from the quick release housing thereby releasing the shutter fasteners at the base allowing the shutters to be quickly removed by actuating the cam mechanism from inside the building.
    • 一个风暴和飓风快门快速释放机制,允许从附近到门和窗户的风暴百叶窗的建筑物快速出口,以允许建筑物内的某人快速离开建筑物。 该系统包括安装在每个快门面板的基座上的快速释放壳体,该快门面板附接到建筑物上,其包括可拆卸的螺栓,其由凸轮机构从建筑物的内部驱动,从而释放将快门固定在适当位置的连接柱 释放壳体,从而在基座处释放快门紧固件,从而允许通过从建筑物内部致动凸轮机构来快速移除快门。
    • 20. 发明授权
    • System and method for restarting of signaling entities in H.323-based realtime communication networks
    • 在基于H.323的实时通信网络中重新启动信令实体的系统和方法
    • US06785223B1
    • 2004-08-31
    • US09296222
    • 1999-04-22
    • Markku KorpiMark ClarkPaul Mayer
    • Markku KorpiMark ClarkPaul Mayer
    • H04L1266
    • H04L65/1043H04L29/06H04L29/06027H04L65/1009H04M7/006
    • A system and method in an H.323 network for automatically reestablishing signaling that was interrupted due to gatekeeper failure. Primary and secondary gatekeepers (104a, 106a) establish a supervisory link (1b) with one another while the media connection is set up between client terminals (112a, 114a). The primary gatekeeper (104a) also establishes the H.225/H.245 signaling between the client terminals. If the primary gatekeeper (104a) fails, the H.225/H.245 connections go down, but the media connections will continue. The secondary gatekeeper (106a) than takes over the call and sends a message to its zone's clients that the H.225/H.245 connections need to be reestablished. Further, the secondary gatekeeper (106a) sends a message to the other zone's gatekeeper (if any) of what has occurred. The clients then reestablish the H.225/H.245 channel by using the original setup message with a new Reestablish parameter. The receiving client receives the message, re-establishes the signaling connection and continues using the existing media channel for the media stream of the call.
    • H.323网络中的系统和方法,用于自动重新建立被守门人故障中断的信令。 主要和次要关守(104a,106a)在客户终端(112a,114a)之间建立媒体连接时彼此建立监督链路(1b)。 主要关守(104a)还建立客户终端之间的H.225 / H.245信令。 如果主网守(104a)出现故障,则H.225 / H.245连接断开,但媒体连接将继续。 辅助网守(106a)接管呼叫并向其区域的客户端发送消息,表明H.225 / H.245连接需要重新建立。 此外,辅助网守(106a)向另一个区域的守门员发送消息(如果有的话)。 然后,客户端使用具有新的Reestablish参数的原始设置消息重新建立H.225 / H.245信道。 接收客户端接收消息,重新建立信令连接,并继续使用现有媒体信道用于呼叫的媒体流。