Expandable tuning capability

• US 20040068754A1
• Filed: 10/02/2002
• Published: 04/08/2004
• Est. Priority Date: 10/02/2002
• Status: Abandoned Application

• Current Assignee: Scientific-Atlanta LLC (Cisco Systems, Inc.)
• Original Assignee: Scientific-Atlanta LLC (Cisco Systems, Inc.)
• Inventors: Russ, Samuel H.
• Application Number:
  US10/263,449
• Publication Number:
  US 20040068754A1
• Time in Patent Office: Days
• US Class Current: 725/131
• CPC Class Codes: H04N 21/4122 additional display device, e.g. video projector digital output for controlling a plurality of local displays G06F3/1423
• CPC Class Codes: H04N 21/4183 providing its own processing capabilities, e.g. external module for video decoding
• CPC Class Codes: H04N 21/42204 User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor constructive details of casings for the remote control device H01H9/0235; user interfaces for controlling a tuning device of a television receiver through a remote control H03J9/00; remote control of peripheral devices connected to a television receiver through the remote control device of the television receiver H04B1/205
• CPC Class Codes: H04N 21/4263 involving specific tuning arrangements, e.g. two tuners
• CPC Class Codes: H04N 21/4383 Accessing a communication channel
• CPC Class Codes: H04N 21/47 End-user applications
• CPC Class Codes: H04N 5/76 Television signal recording
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/775 between a recording apparatus and a television receiver
• CPC Class Codes: H04N 5/781 on disks or drums
• CPC Class Codes: H04N 5/85 on discs or drums
• CPC Class Codes: H04N 5/907 using static stores, e.g. storage tubes or semiconductor memories H04N5/91 takes precedence
• CPC Class Codes: H04N 7/104 Switchers or splitters
• CPC Class Codes: H04N 7/106 for domestic distribution
• CPC Class Codes: H04N 7/17318 Direct or substantially direct transmission and handling of requests
• CPC Class Codes: H04N 9/8042 involving data reduction

Abstract

Systems and methods are disclosed for providing television services and/or presentations to a plurality of televisions located at a customer premises. One such method, among others, includes: receiving by a set-top terminal (STT) a first user input from a first remote control device; responsive to receiving the first user input, extracting a first television service from a broadband signal using a first tuner that is part of a first expander card, and transmitting the first television service to a first television; receiving by the STT a second user input from a second remote control device; and responsive to receiving the second user input, extracting a second television service from a broadband signal using a second tuner, and transmitting the second television service to a second television.

Claims

1. A method for providing television services, comprising the steps of:

receiving by a set-top terminal (STT) a first user input from a first remote control device;

responsive to receiving the first user input, extracting a first television service from a broadband signal using a first tuner that is part of a first expander card, and transmitting the first television service to a first television;

receiving by the STT a second user input from a second remote control device; and

responsive to receiving the second user input, extracting a second television service from a broadband signal using a second tuner, and transmitting the second television service to a second television.

2. The method of claim 1, wherein the second tuner is part of a second expander card.

3. The method of claim 1, wherein the second tuner is a fixed part of the STT.

4. The method of claim 1, wherein the second television service is transmitted to the second television using a second output system that is part of the STT, and wherein the first television service is transmitted to the first television using a first output system that is part of the first expander card.

5. The method of claim 1, wherein the first expander card is connected to a socket that is part of the STT.

6. The method of claim 1, wherein the first expander card is configured to be slidably inserted and removed through an opening in a housing that houses internal components of the STT.

7. The method of claim 1, further comprising:

demodulating the first television service using a demodulator that is part of the first expander card; and

decoding the first television service using a decoder that is part of the first expander card.

8. The method of claim 7, further comprising:

encoding the first television service using an encoder that is part of the first expander card;

encoding the second television service using an encoder that is part of a second expander card;

multiplexing the first television service and the second television service onto an output stream; and

modulating the output stream using a QAM demodulator.

9. The method of claim 7, further comprising:

encoding the first television service using an encoder that is part of the first expander card; and

modulating the first television service using a modulator that is part of the first expander card.

10. The method of claim 9, further comprising:

overlaying graphics onto the first television service prior to encoding the first television service.

11. The method of claim 1, further comprising:

transmitting over a digital transmission medium a first graphical user interface (GUI) to the first television and a second GUI to the second television.

12. The method of claim 11, wherein the first GUI and the second GUI are multiplexed onto a single transport stream.

13. The method of claim 12, wherein the transport stream is modulated using quadrature amplitude modulation (QAM).

14. The method of claim 12, wherein the format of the transport stream is one of Ethernet, HomePNA, or HomePlug.

15. A television set-top terminal (STT) comprising:

a communication interface for receiving a broadband signal;

a first expander card that is coupled to the communication interface, and that includes a first tuner, a first output system, and a first processor, wherein the first processor is programmed to respond to a first user input from a first remote control device by;

causing the first tuner to extract a first television service from the broadband signal, and

causing the first output system to output the first television service to a first television;

a second tuner that is coupled to the communication interface;

a second output system; and

a second processor that is programmed to respond to a second user input from a second remote control device by;

causing the second tuner to extract a second television service from the broadband signal, and

causing the second output system to output the second television service to a second television.

16. The STT of claim 15, wherein the second tuner and the second output system are part of a second expander card.

17. The STT of claim 15, wherein the second tuner and the second output system are each a fixed part of the STT.

18. The STT of claim 15, wherein the STT includes a socket that is connected to the first expander card.

19. The STT of claim 15, wherein the first expander card is configured to be slidably inserted and removed through an opening in a housing that houses internal components of the STT.

20. The STT of claim 15, wherein the first expander card further includes:

a demodulator that is configured to demodulate the television service; and

a decoder that is configured to decode the television service.

21. The STT of claim 15, wherein the first expander card further includes:

an interactive program guide (IPG) application that is configured to provide an IPG via the first television.

22. The STT of claim 15, wherein the first expander card further includes:

a video-on-demand (VOD) application that is configured to provide an on-demand video presentation via the first television.

23. The STT of claim 15, wherein the first expander card further includes:

a personal video recorder (PVR) application that is configured to provide via the first television a video presentation that is stored in the STT.

24. The STT of claim 15, further comprising:

a radio frequency (RF) combiner that is configured to combine an output of the first expander card and an output of a second expander card.

25. The STT of claim 15, further comprising:

an MPEG multiplexer that is configured to multiplex an output of the first expander card and an output of a second expander card.

26. The STT of claim 15, further comprising:

an upstream out-of-band (OOB) messaging multiplexer that is configured to multiplex a first OOB message that is output by the first expander card and a second OOB message that is output by a second expander card.

27. The STT of claim 15, further comprising:

a downstream out-of-band (OOB) messaging demultiplexer that is configured to route to the first expander card and to a second expander card OOB messages that are received from a headend.

28. The STT of claim 15, further comprising:

a conditional access component that is configured to provide encryption, decryption, and authentication services to at least the first expander card.

29. The STT of claim 15, further comprising:

at least one radio frequency (RF) modulator that is configured to transmit analog television services to the first television.

30. The STT of claim 29, wherein the at least one radio frequency (RF) modulator is configured to receive the first television service from the first expander card and to transmit the first television service to the first television.

31. The STT of claim 15, further comprising:

at least one quadrature amplitude modulation (QAM) modulator that is configured to transmit digital television services to the first television.

32. The STT of claim 31, further comprising:

at least one MPEG multiplexer that is configured to multiplex an output of the first expander card with an output of a second expander card that is part of the STT onto a transport stream.

33. The STT of claim 32, wherein the at least one QAM modulator is configured to transmit the transport stream to at least the first television.

34. An expander card comprising:

a first processor; and

a first tuner that is coupled to the first processor and that is configured to extract a first television service from a broadband signal;

wherein the expander card is configured to provide the first television service to a first television, and is configured to be connected to a television set-top terminal (STT) that is configured to provide a second television service to a second television.

35. The expander card of claim 34, further comprising:

memory that is coupled to the processor.

36. The expander card of claim 34, wherein the STT includes a socket that is configured to be connected to the expander card.

37. The expander card of claim 34, wherein the expander card is configured to be slidably inserted and removed through an opening in a housing that houses internal components of the STT.

38. The expander card of claim 34, further comprising:

an interactive program guide (IPG) application that is configured to provide an IPG via the first television.

39. The expander card of claim 34, further comprising:

a video-on-demand (VOD) application that is configured to provide an on-demand video presentation via the first television.

40. The expander card of claim 34, further comprising:

a personal video recorder (PVR) application that is configured to provide via the first television a video presentation that is stored in the STT.

41. The expander card of claim 34, further comprising:

an analog demodulator that is configured to demodulate the first television service.

42. The expander card of claim 34, further comprising:

a digital demodulator that is configured to demodulate the first television service.

43. The expander card of claim 34, further comprising:

a graphics processor that is configured to overlay graphics on the first television service after it is demodulated and decoded and before it is encoded in a format that is suitable for the first television.

44. The expander card of claim 34, further comprising:

a conditional access component that is configured to allow conditional access to the first television service.

45. The expander card of claim 34, further comprising:

an analog modulator that is configured to modulate the first television service at a certain frequency.

46. The expander card of claim 45, wherein the certain frequency is programmable.

47. The expander card of claim 45, wherein the certain frequency is determined after the expander card is connected to the STT.

48. The expander card of claim 34, further comprising:

a digital encoder that is configured to encode the first television service in an MPEG-2 format.

49. The expander card of claim 48, wherein the digital encoder associates program identifiers (PIDs) with the first television service, the PIDs being assigned to the expander card by the STT.