1
Shue Yu Kwan: Remote channel switching for video on demand service. AT&T Bell Laboratories, R B Anderson, April 27, 1993: US05206722 (177 worldwide citation)

VOD services are provided by providing at each subscriber location a switching apparatus (e.g., 23 of FIG. 2) which is remotely controlled from the head end (12) of the system. A set top box of each subscriber is provided with a single channel designation (X) for VOD reception. In response to a requ ...


2
Kwan Shue Yu: Remote channel switching for video on demand service.. American Telephone & Telegraph, July 1, 1992: EP0492853-A2 (31 worldwide citation)

Video on demand (VOD) services are provided by providing at each subscriber location a switching apparatus (16) which is remotely controlled from the head end (12) of the system. A set top box of each subscriber is provided with a single channel designation (X) for VOD reception. In response to a re ...



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