Near video-on-demand system and broadcasting method therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 15, 2001
Grant Date -
N/A
app pub date -
Jul 10, 1997
filing date -
Nov 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A near video-on-demand (NVOD) system and method for incorporating and/or updating a commercial (CM) or promotion video program or the like in a video program. The NVOD system may include a controller, a high-speed digital reproducing device for reproducing at a high rate a plurality of video-on-demand system recording data divided from digital data of a main program and recorded at discrete areas, an additional information program data server for reproducing data of an additional information program such as data of a CM video program, a promotion video program, or like, a buffer device for selectively writing the video-on-demand system recording data from the high-speed digital reproducing device and reading the video-on-demand system recording data, and matrix switcher for selectively outputting main program data from the buffer device and additional information data from the additional information program data server, and sequentially transmitting the main program data with the additional information data incorporated at M locations therein to a number of channels.
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