06233735 is referenced by 97 patents and cites 12 patents.

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.

Title
Near video-on-demand system and broadcasting method therefor
Application Number
8/902604
Publication Number
6233735 (B1)
Application Date
July 10, 1997
Publication Date
May 15, 2001
Inventor
Norio Ebihara
Kanagawa
US
Agent
Frommer Lawrence & Haug
US
Agent
Dennis M Smid
US
William S Frommer
US
Assignee
Sony Corporation
US
IPC
H04N 7/173
View Original Source