Backwards-compatible frequency translation module for satellite video delivery

• US 8,024,759 B2
• Filed: 04/01/2005
• Issued: 09/20/2011
• Est. Priority Date: 04/01/2005
• Status: Active Grant

• Current Assignee: DIRECTV, LLC (AT&T, Inc.)
• Original Assignee: The DIRECTV Group, Inc. (AT&T, Inc.)
• Inventors: James, Thomas H., Shah, Dipak M.
• Primary Examiner(s): Kumar; Pankaj
• Assistant Examiner(s): Tilahun; Alazar
• Application Number:
  US11/097,482
• Publication Number:
  US 20060225099A1
• Time in Patent Office: 2,363 Days
• Field of Search: 725 62- 72, 725/78, 725/127, 455 301- 306
• US Class Current: 725/71
• CPC Class Codes: H01Q 19/17 the primary radiating source comprising two or more radiating elements H01Q19/15, H01Q25/00 take precedence
• CPC Class Codes: H04H 20/63 to plural spots in a confined site, e.g. MATV [Master Antenna Television]
• CPC Class Codes: H04H 40/90 specially adapted for satellite broadcast receiving
• CPC Class Codes: H04N 7/104 Switchers or splitters
• CPC Class Codes: H04N 7/20 Adaptations for transmission via a GHz frequency band, e.g. via satellite

Abstract

A frequency translation module for delivering satellite signals to Integrated Receiver Decoders (IRDs). The module comprises at least one input for receiving polarized satellite signals, wherein at least one input is coupled to at least one low noise block amplifier (LNB), at least one legacy output, the legacy output coupled to the input through a multiswitch, wherein each legacy output selects a polarization of a satellite signal based on a Legacy IRD command directly to the multiswitch, and at least one combined output, the combined output coupled to the multiswitch through an interface, wherein at least one new IRD selectively commands the frequency translation module such that each new IRD receives a portion of a satellite signal based on commands received from each IRD.

Claims

1. A frequency translation module for delivering a plurality of satellite signals, each satellite signal comprising a plurality of transponder signals, to at least one Integrated Receiver Decoder (IRD), comprising:

at least one input for receiving the plurality of satellite signals, wherein at least one input is coupled to at least one low noise block amplifier (LNB);

at least one legacy output, the legacy output coupled to the input through a multiswitch, wherein each legacy output selects and forwards the transponder signals present in a selected polarization of a satellite signal in the plurality of satellite signals based only on a Legacy IRD command directly to the multiswitch and the at least one legacy output is dedicated to the Legacy IRD commands and also dedicated to forwarding the transponder signals present in the selected polarization; and

a combined output, separate from the at least one legacy output, the combined output coupled to the multiswitch through an interface, wherein at least one IRD selectively commands the frequency translation module such that each IRD receives specific viewer channels that have been separated out of the plurality of transponder signals in the selected polarization of the satellite signal based on viewer channel commands received from all of the IRDs.

2. The frequency translation module of claim 1, wherein the combined output comprises a composite signal, the composite signal comprising the subsets of the satellite signals selectively commanded by each of the IRDs.

3. The frequency translation module of claim 2, wherein the frequency translation module makes a determination of a status of a given output as to whether the given output is one of the legacy outputs or one of the combined outputs.

4. The frequency translation module of claim 3, wherein the frequency translation module makes the determination of the status of the given output based on information received from an IRD coupled to the given output.

5. The frequency translation module of claim 4, wherein at least a first IRD and a second IRD are coupled to the combined output, and the first IRD and the second IRD each independently command the frequency translation module.

6. The frequency translation module of claim 5, wherein the combined signal comprises a first subset of a signal from a first satellite and a second subset of a signal from a second satellite.

7. The frequency translation module of claim 6, wherein the first IRD commanded the frequency translation module to select the first subset and the second IRD commanded the frequency translation module to select the second subset.

8. The frequency translation module of claim 7, wherein the first IRD receives the first subset on a first private channel.

9. The frequency translation module of claim 8, further comprising a generic subset of the combined signal, wherein the generic subset of the combined signal is generated by dedicated tuner coupled to the multiswitch and controlled by a service provider.

10. A frequency translation module for selectively delivering satellite video signals to at least one Integrated Receiver Decoder (IRD) and at least one legacy IRD, each satellite signal comprising a plurality of transponder signals, comprising:

a multiswitch comprising a plurality of inputs, wherein the inputs receive the satellite video signals, and a plurality of outputs;

a plurality of tuners, wherein at least a portion of the plurality of outputs of the multiswitch are selectively coupled to the plurality of tuners in a respective fashion, wherein each tuner is controlled by at least one IRD, the tuners acting to create a combined output on the portion of the plurality of outputs of the multiswitch based on viewer channel commands sent by all of the IRDs such that each of the IRDs receives specific viewer channels that have been separated out of the plurality of transponder signals in a selected polarization of a satellite signal; and

at least one of the plurality of outputs of the multiswitch bypasses the plurality of tuners and delivers, in a dedicated fashion, all of the transponder signals in the plurality of transponder signals in the selected polarization of the satellite signal to a legacy IRD based only on commands received from the legacy IRD.

11. The frequency translation module of claim 10, further comprising an automatic level circuit, coupled between the inputs of the multiswitch and the satellite signals, for providing signal strength control of the satellite signals prior to the satellite signals being switched through the multiswitch.

12. The frequency translation module of claim 11, wherein the combined output comprises a composite signal, the composite signal comprising portions of the satellite video signals.

13. The frequency translation module of claim 12, wherein the combined signal comprises a first subset of a signal from a first satellite and a second subset of a signal from a second satellite.

14. The frequency translation module of claim 13, wherein at least a first IRD and a second IRD receive the combined output, and the first IRD and the second IRD each independently command the frequency translation module.

15. The frequency translation module of claim 14, wherein the first IRD commanded the frequency translation module to select a first subset of the combined signal and the second IRD commanded the frequency translation module to select a second subset of the combined signal.

16. The frequency translation module of claim 15, wherein the first IRD receives the first subset on a first private channel.

17. The frequency translation module of claim 16, further comprising a generic subset of the combined signal, wherein the generic subset of the combined signal is generated by a dedicated tuner coupled to the multiswitch and controlled by a service provider.

18. The frequency translation module of claim 17, further comprising a controller, coupled to the plurality of outputs, for controlling signal flow between the frequency translation module and the at least one IRD.

19. The frequency translation module of claim 18, wherein the controller monitors at least an identification (ID) of each of the at least one IRDs coupled to the network interface.

20. The frequency translation module of claim 19, wherein the controller further monitors at least a signal strength between the network interface and the at least one IRD.