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1. 发明申请

US20030088876A1 Video on demand gateway 审中-公开
标题翻译：视频点播网关
公开(公告)号：US20030088876A1
公开(公告)日：2003-05-08
申请号：US10010719
申请日：2001-11-08
申请人： Liberate Technologies
发明人： Weidong Mao , Venu Krishnamoorthy , Michael Newman , Aongus Flood
IPC分类号： H04N007/173
CPC分类号： H04N21/2221 , H04N7/17336 , H04N21/2665 , H04N21/6118 , H04N21/6168 , H04N21/6587
摘要： A video on demand (VOD) gateway allows multiple incompatible and non-interoperable VOD systems to function as a single unified VOD system. A VOD gateway system includes a VOD asset gateway, a VOD session gateway, a VOD transaction gateway and a generic VOD client software program. The generic VOD client software resides in a CATV set-top box. The VOD asset gateway at the headend aggregates video inventory from multiple VOD vendor's equipment. The VOD session gateway at the headend translates a subscriber request in a generic protocol for VOD program into the proprietary protocol for a specific VOD system. The VOD transaction gateway at the headend aggregates transactions from multiple VOD vendor's equipment. In an alternate embodiment, a VOD gateway permits operators of multiple CATV systems to use multiple incompatible and non-interoperable VOD systems in each of a plurality of separate CATV systems.
摘要翻译：视频点播（VOD）网关允许多个不兼容和不可互操作的VOD系统用作单个统一的VOD系统。 VOD网关系统包括VOD资产网关，VOD会话网关，VOD事务网关和通用VOD客户端软件程序。通用VOD客户端软件位于CATV机顶盒中。头端的VOD资产网关聚合来自多个VOD供应商设备的视频库。前端的VOD会话网关将用于VOD程序的通用协议中的用户请求转换为特定VOD系统的专有协议。头端的VOD事务网关聚合来自多个VOD供应商的设备的事务。在替代实施例中，VOD网关允许多个CATV系统的运营商在多个单独的CATV系统中的每一个中使用多个不兼容和不可互操作的VOD系统。

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