Hybrid video-on-demand based on a near-video-on-demand system
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United States of America Patent
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Oct 28, 1997
Grant Date -
N/A
app pub date -
Jun 15, 1995
filing date -
Jun 15, 1995
priority date (Note) -
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Abstract
A system and method for Video-on-Demand (VOD) satisfying the desire of `surfers`. The process entails a server operating in a standard NVOD mode, whereby it continuously sends multiple copies of each program on separate channels. Each copy is delayed by a staggered time interval. The invention provides a way to fulfill a VOD user request asynchronous with the start of a NVOD transmission but which still makes primary use of the NVOD transmission for that requestor. The system and method combines independent server service satisfying an asynchronous request for only a short duration, usually less than or equal to the NVOD staggered time interval, and then aligns that requestor with an immediately previously commenced NVOD transmission.
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