Invention Application
US20100011397A1 PACKET TIMING METHOD AND APPARATUS OF A RECEIVER SYSTEM FOR CONTROLLING DIGITAL TV PROGRAM START TIME 有权
用于控制数字电视节目开始时间的接收机系统的分组时序方法和装置

PACKET TIMING METHOD AND APPARATUS OF A RECEIVER SYSTEM FOR CONTROLLING DIGITAL TV PROGRAM START TIME
Abstract:
A system for the delivery of video on demand (VOD). A wireless remote control device generates keystroke signals for controlling a TV display and has a single button for restarting a selected program at a beginning of the selected program. A head-end unit supports separate downstream virtual channels for each separate TV set connected on a common TV feeder-cable; The head-end unit locally records and stores many programs, and transmits each program using a compressed digital format. The Compressed digital format may use MPEG-2 or MPEG-4. The head-end unit has means for protecting against signal theft. A set top unit encapsulates the keystroke signals and transmits the keystroke signals via a two-way channel to the head-end unit.
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