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1. 发明授权

US5357276A Method of providing video on demand with VCR like functions 失效
标题翻译：按需提供VCR视频功能的方法
公开(公告)号：US5357276A
公开(公告)日：1994-10-18
申请号：US984038
申请日：1992-12-01
申请人： Robert O. Banker , Jeffrey B. Huppertz , Michael T. Hayashi , David B. Lett , Voytek E. Godlewski , Michael W. Raley
发明人： Robert O. Banker , Jeffrey B. Huppertz , Michael T. Hayashi , David B. Lett , Voytek E. Godlewski , Michael W. Raley
IPC分类号： H04N7/173 , H04N21/2543 , H04N21/472 , H04N21/84 , H04N7/16
CPC分类号： H04N21/2543 , G06K7/0086 , H04N21/47202 , H04N21/84 , H04N7/17318
摘要： A near video on demand time shifting feature for a subscriber terminal emulates the video cassette recorder functions of pause, fast forward, and rewind for a NVOD service subscription. The subscriber terminal stores global transactions concerning NVOD events in an event portion of memory. The subscriber terminal provides an on screen display feature for assisting in ordering the NVOD service and a user interface which provides the functions of pause, fast forward and rewind. When viewing a NVOD event, if the subscriber selects the pause function, the subscriber terminal causes a pause on screen display to be viewed for one time increment. After the elapse of the time increment, the subscriber terminal will tune the channel of the next showing which is one time increment earlier than that presently viewed. If the subscriber selects the rewind function, the subscriber terminal will tune the channel of the next showing which is one time increment earlier than that presently viewed. If the subscriber selects the fast forward function, the subscriber terminal will tune the channel of the previous showing which is one time increment later than that presently received.
摘要翻译：用户终端的近视频点播时移功能模拟NVOD服务订阅的暂停，快进和快退的录像机录像机功能。用户终端在存储器的事件部分中存储关于NVOD事件的全局事务。用户终端提供用于协助订购NVOD服务的屏幕显示功能和提供暂停，快进和倒带功能的用户界面。当查看NVOD事件时，如果用户选择了暂停功能，则用户终端在屏幕显示上暂停一个时间增量。在经过时间增量之后，用户终端将调整下一个显示的频道，该频道比当前观看的更早一个时间增量。如果用户选择倒带功能，则用户终端将调谐下一个显示的频道，其比现在观看的更早一个时间增量。如果用户选择快进功能，则用户终端将对先前显示的频道进行调谐，该频道比当前接收的频道晚一个时间增量。

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