Virtual assets in an interactive television cable system

Details Virtual assets in an interactive television cable system Virtual assets in an interactive television cable system

1997-04-15

1998-09-08

Powell, Mark R.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

348 13, 348 12, 39520049, 455 42, 455 51, H04N 714

Patent

active

058051554

ABSTRACT:
An interactive cable TV system includes a large number of set-top terminals that are connected to a system headend by way of a low-speed, time division multiplexed, channel. The headend includes the mass storage of multimedia data-assets that each contain a large number of individual data-items that may be of interest to various set-top users. A set-top user initiates an inquiry to the data-asset storage by way of an item-descriptor comprising a word-picture of the item. When this set-top query is received at the headend, a table or list is established whereby the query and its set-top ID are associated with related data assets. As the headend's data-asset storage is changed from time to time, the changes that relate to listed set-top queries result in an update of the query list. This updated data-asset information is sent to the related set-tops immediately, or is sent only when the headend receives a request from the related set-top.

REFERENCES:
patent: 5093718 (1992-03-01), Hoarty et al.
patent: 5247575 (1993-09-01), Srague et al.
patent: 5361091 (1994-11-01), Hoarty et al.
patent: 5412720 (1995-05-01), Hoarty
patent: 5696905 (1997-12-01), Reimer et al.

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