Integrated television services system

• US 5,539,449 A
• Filed: 05/03/1993
• Issued: 07/23/1996
• Est. Priority Date: 05/03/1993
• Status: Expired due to Term

• Current Assignee: RPX Corporation
• Original Assignee: AT&T Corporation (AT&T, Inc.)
• Inventors: Blahut, Donald E., Szurkowski, Edward S.
• Primary Examiner(s): Harvey, David E.
• Application Number:
  US08/056,973
• Time in Patent Office: 1,177 Days
• Field of Search: 358/84, 358/85, 358/86, 348/7, 348/6, 348/12, 348/13, 455/3.1, 455/4.1, 455/4.2, 455/6.3, 455/
• US Class Current: 725/106
• CPC Class Codes: H04L 2012/561 Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
• CPC Class Codes: H04L 2012/5672 Multiplexing, e.g. coding, scrambling
• CPC Class Codes: H04L 49/255 Control mechanisms for ATM switching fabrics
• CPC Class Codes: H04L 49/3081 ATM peripheral units, e.g. policing, insertion or extraction
• CPC Class Codes: H04L 49/405 Physical details, e.g. power supply, mechanical construction or backplane of ATM switches
• CPC Class Codes: H04N 7/17318 Direct or substantially direct transmission and handling of requests
• CPC Class Codes: H04N 7/17336 Handling of requests in head-ends
• CPC Class Codes: H04Q 11/0478 Provisions for broadband connections

Abstract

A system is disclosed for delivering audio and/or video signals to users in connection with the provision of interactive television services. Various sources of such signals are connected to a digital network, such as a packet network. Also connected to such network are control and application processors and interfaces to distribution arrangements such as cable television systems and telephone subscriber loops. Each user has a signal converter for receiving a digital signal from the distribution arrangement, converting such signal for viewing on a conventional television receiver and transmitting control packets to other elements of the system. The signal sources can include a data cache for storing recorded video and audio materials, a broadcast source for receiving broadcast signals, apparatus for composing multimedia signals from multiple sources and apparatus for running games. The various elements of the system can be situated at different geographical locations and operated by the control and/or application processors under software control to provide a variety of interactive television services.

Claims

1. An interactive system for delivering information programs comprising data packets to users via a local exchange telephone network, the data segments being transmitted to users in telephone transmissions in response to user commands received over the telephone network, the interactive system comprising:

a packetized network;

network routing control coupled to the packetized network for assigning communications paths through the packetized network and enabling transmission of data packets and control packets on the paths through the packetized network;

at least one information source coupled to the packetized network for providing at least data packets to the packetized network;

a local exchange telephone network interface coupled between the packetized network and the telephone network for providing user commands from the telephone network to the packetized network and providing at least data packets from the packetized network to the telephone network; and

a controller coupled to the packetized network for receiving user commands from the packetized network and transmitting control packets to the at least one information source and the telephone network interface, the controller, in response to received user commands,

instructing the network routing control to assign a path in the packetized network,

instructing the at least one information source to provide data packets on the assigned path through the packetized network, and

instructing the telephone network interface to receive at least the data packets placed on the assigned path of the packetized network and modulate the received data packets in the telephone transmissions to the user.

2. The system of claim 1, wherein the system comprises a plurality of different information sources coupled to the packetized network, and in response to multiple user commands from the same user, the controller in real-time instructs the different information sources to output different data packets on the same assigned path through the packetized network and coordinates the timing and content of the different data packets output from different selected information sources so as to deliver interactive information programming to the user.

3. The system of claim 2, wherein the plurality of information sources comprise information sources selected from the group consisting of a memory storage device for storing multi-media signals, a broadcast source, a multi-media frame server and a game frame server.

4. The system of claim 1, wherein the local exchange telephone network forms a non-packetized telephone network and the local exchange telephone network interface forms a packetized network to non-packetized telephone network control interface.

5. The system of claim 1, wherein the packetized network forms an ATM network.

6. An interactive system for delivering information programs comprising data packets to users over a cable television distribution system, the data packets being transmitted in television transmissions of the cable television distribution system in response to user commands received over the cable television distribution system, the interactive system comprising:

a packetized network;

network routing control coupled to the packetized network for assigning communications paths through the packetized network and enabling transmission of data packets and control packets on the paths through the packetized network;

at least one information source coupled to the packetized network for providing at least data packets to the packetized network;

a cable television distribution system interface coupled between the packetized network and the cable television distribution system for providing user commands from the cable television distribution system to the packetized network and providing at least data packets from the packetized network to the cable television distribution system; and

a controller coupled to the packetized network for receiving user commands from the packetized network and transmitting control packets to the at least one information source and the cable television distribution system interface, the controller, in response to received user commands,

instructing the network routing control to assign a path in the packetized network,

instructing the at least one information source to provide data packet on the assigned path through the packetized network, and

instructing the cable television distribution system interface to receive at least the data packets placed on the assigned path of the packetized network and modulate the received data packets in the television transmissions to the user.

7. The system of claim 6, wherein the system comprises a plurality of different information sources coupled to the packetized network, and in response to multiple user commands from the same user, the controller in real-time instructs the different information sources to output different data packets on the same assigned path through the packetized network and coordinates the timing and content of the different data packets output from different selected information sources so as to deliver real-time interactive information programming to the user.

8. The system of claim 7, wherein the plurality of information sources comprise information sources selected from the group consisting of a memory storage device for storing multi-media signals, a broadcast source, a multi-media frame server and a game frame server.

9. The system of claim 6, wherein the cable television distribution system forms a non-packetized cable television distribution system and the cable television distribution system interface forms a packetized network to a non-packetized cable television distribution system control interface.

10. The system of claim 6, wherein the network forms an ATM network.

11. A real-time interactive system for delivering information programs to users over a distribution system, the information programs being transmitted to users in distribution transmissions of the distribution system in response to user commands received over the distribution system, the interactive system comprising:

a packetized network for the transmission of data packets collectively forming information programs and control packets forming control signals;

network routing control coupled to the packetized network for assigning virtual communications paths through the packetized network and enabling transmission of data packets and control packets on the virtual paths through the packetized network;

a plurality of information sources coupled to the network for providing at least data packets to the packetized network;

a distribution interface coupled to the network and the distribution system for providing user commands from the distribution system to the packetized network and providing at least data packets from the packetized network to the distribution system; and

a controller coupled to the packetized network for receiving user commands from the packetized network and transmitting control packets to the information sources and the distribution interface, the controller, in response to a received user command,

instructing the routing control to assign a virtual path in the packetized network,

instructing in real-time selected information sources to output selected data packets on the assigned virtual path through the packetized network, the selected information sources and selected data packets being selected in accordance with the received user command,

coordinating the timing and content of the selected data packets output from different selected information sources to form a composed information program, and

instructing the distribution interface to receive the selected data packets placed on the assigned virtual path of the packetized network by the selected information sources and modulate the received data packets in the distribution transmissions to the user.

12. The system of claim 11, wherein the distribution system comprises one of a cable television system and a telephone network, and wherein the distribution interface comprises one of a packetized network to a cable television distribution system control interface and a packetized network to a telephone network control interface, respectively.

13. The system of claim 12, wherein the distribution system comprises a non-packetized distribution system.

14. The system of claim 11, wherein the network forms an ATM network.

15. The system of claim 11, wherein the plurality of information sources comprise information sources selected from the group consisting of a memory storage device for storing multi-media signals, a broadcast source, a multi-media frame and a game frame.