Interactive video distribution systems – Video distribution system with upstream communication – Receiver
Reexamination Certificate
2001-06-29
2004-07-06
Srivastava, Vivek (Department: 2611)
Interactive video distribution systems
Video distribution system with upstream communication
Receiver
C725S142000, C725S133000, C725S141000, C725S153000, C386S349000
Reexamination Certificate
active
06760918
ABSTRACT:
FIELD OF THE INVENTION
This invention relates in general to the field of television systems, and more particularly, to the field of interactive television.
BACKGROUND OF THE INVENTION
With the recent advent of digital transmission technology, subscriber network television systems are now capable of providing many other services in addition to traditional analog broadcast video. For example, two-way and advanced one-way communications between a subscriber and a subscriber network system headend are now possible. The home communication terminal (“HCT”), also known as the set-top box, has become an important computing device for accessing video services and navigating a subscriber through a maze of services available. In addition to supporting traditional analog broadcast video and functionality, digital HCTs (or “DHCTs”) now also support an increasing number of enhanced video services that are made available through digital transmission technology.
Interactive television is an enhanced video technology enabled by two-way communication between a subscriber and a subscriber network system headend that is made possible by digital transmission technology and consists of such enhanced services as video-on-demand (“VOD”). In the digital transmission infrastructure that is utilized for interactive television, VOD service requires the exclusive or substantially exclusive use of bandwidth capacity, and thus, a portion of the infrastructure serves as the VOD infrastructure. Multiple System Operators (“MSOs”) invests millions of dollars in the construction and maintenance of VOD infrastructures to insure that there is sufficient bandwidth capacity available for VOD service. Thus, there is a need to efficiently utilize the VOD infrastructure to generate revenue.
There are other electronic communications systems that have been used for the sale and delivery of audio, video, and other products that can be transmitted electronically. For example, one may be able to purchase an audio product on the Internet and then download it to a personal computer for future use. The application of electronic communications systems for the sale and delivery of applicable products can offer advantages over more conventional product sales and delivery systems such as phone ordering with parcel delivery. For example, advantages may be offered such as the lower cost of product delivery or the savings of not requiring inventory, floor space, and retail employees. But, the present electronic communications sales and delivery systems are subject to problems with piracy of source content resulting in lost sales and revenues, and are generally incapable of consistent fast delivery. Furthermore, these systems are designed with provisions for delivering media products at master quality. Thus, there is a need for secure and fast sale and delivery of master quality audio, video, software, and other products by way of an electronic communications system.
SUMMARY OF THE INVENTION
The preferred embodiment of the present invention can be viewed, among other things, as a media system which includes logic configured to provide a user interface that provides a user with a plurality of media content selections available at various times, and a portable client media drive configured to receive over a secured transmission medium the media content selected by the user.
The preferred embodiment of the present invention also provides a method for recording media content. This method can be broadly summarized as follows: providing a user interface to select from a plurality of media content selections available at different times; receiving from a remote device the selected media content over a secured transmission medium; and recording the selected media content onto at least one portable medium.
Other systems, methods, features, and advantages of the preferred embodiments of the invention will be or become apparent to one with ordinary skill in the art upon examination of the following drawings and detailed description. It is intended that all such additional systems, methods, features, and advantages be included within this description, be within the scope of the present invention, and be protected by the accompanying claims.
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Scientific-Atlanta, Inc. Pending Application Ser. #09/590,521, Filing Date: Jun. 9, 2000, Title: “Systems and Methods for Adaptive Scheduling and Dynamic Bandwidth Resource Allocation Management in a Digital Broadband Delivery System,” Inventors: Arturo A. Rodriguez and Dean F. Jerding.
Beebe Randolph R.
Hammett Geoffrey G.
Rodriguez Arturo A.
Scientific-Atlanta, Inc.
Srivastava Vivek
Vu Ngoc
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