IP Library Granted Patent US 9,066,139
Granted Patent B2
US 9,066,139 · App. 14/296,939 · Granted Jun 23, 2015

Multi-platform digital television

Inventors: Ahmad Ansari (Austin, TX); David Hartman (Austin, TX)
Assignee: AT&T INTELLECTUAL PROPERTY I, LP
H04N21/4627H04L27/0008H04N5/46H04N7/163H04N21/4147H04N21/4181H04N21/4263H04N21/4383H04N21/4405H04N21/443H04N21/4622H04N21/4623H04N21/8193H04N21/6168H04N21/6193
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Quick Facts
Patent No.
US 9,066,139
App. No.
14/296,939
Granted
Jun 23, 2015
Kind
B2
Abstract

A multi-platform television comprises at least one television signal interface to receive premium television services from at least two different television service providers. The television further comprises a programmable conditional access system to enable conditional access to the premium television services received by the at least one television signal interface from the at least two different service providers.

Claims (53)

1. An apparatus comprising:

a processor; and

a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:

receiving an input signal;

detecting a first modulation type of the input signal;

demodulating, via a single demodulating unit, an input signal, wherein the single demodulating unit demodulates via a cable demodulator to generate a demodulated cable signal responsive to a first modulation type corresponding to cable television, wherein the single demodulating unit demodulates via a satellite demodulator to generate a demodulated satellite signal responsive to the first modulation type corresponding to satellite television, and wherein the single demodulating unit demodulates via an over-the-air television demodulator to generate a demodulated over-the-air signal responsive to the first modulation type corresponding to over-the-air television;

reading, from a removable memory card, first conditional access and digital rights management data associated with a cable service provider and second conditional access and digital rights management data associated with a first satellite service provider;

enabling cable television services of the cable service provider according to the first conditional access and digital rights management data and first satellite television services of the first satellite services provider according to the second conditional access and digital rights management data;

decoding one of the demodulated cable signal, the demodulated satellite signal, or the demodulated over-the-air signal to generate a first decoded signal;

presenting the first decoded signal at a display according to a channel selection;

storing third conditional access and digital rights management data associated with a second satellite service provider at the removable memory card;

disabling the first satellite television services of the first satellite service provider; and

enabling second satellite television services of the second satellite service provider.

2. The apparatus of claim 1 , further comprising an over-the-air television signal interface for receiving an over-the-air television signal.

3. The apparatus of claim 2 , further comprising an over-the-air demodulator for demodulating the over-the-air television signal.

4. The apparatus of claim 1 , wherein the cable demodulator comprises a quadrature amplitude modulation demodulator.

5. The apparatus of claim 1 , wherein the satellite demodulator comprises a quaternary phase shift keying demodulator.

6. The apparatus of claim 1 , further comprising executable instructions which, responsive to being executed by the processor, cause the processor to further perform operations comprising:

receiving the second conditional access and digital rights management data from the first satellite service provider; and

storing the second conditional access and digital rights management data in the removable memory card.

7. The apparatus of claim 1 , wherein the operations further comprise storing the second conditional access and digital rights management data at the memory.

8. The apparatus of claim 1 wherein the second conditional access and digital rights management data that is stored in the memory is accessible to the processor when the removable card is removed from the apparatus.

9. The apparatus of claim 1 wherein the first decoded signal comprises a moving picture experts group- 2 encoding.

10. The apparatus of claim 1 wherein the operations further comprise removing the second conditional access and digital rights management data from the removable memory card.

11. An apparatus comprising:

a processor; and

a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:

reading, from a removable memory card, first conditional access and digital rights management data associated with a first premium television service provider and second conditional access and digital rights management data associated with a second premium television service provider;

enabling first premium television services according to the first conditional access and digital rights management data and second premium television services according to the second conditional access and digital rights management data;

decoding, by a single demodulating unit, a first premium television signal responsive to enabling the first premium television services and responsive to determining a first type of the first premium television signal, wherein the decoding by the single demodulating unit is via a cable decoder to generate a decoded cable signal responsive to the first type corresponding to cable television, wherein the decoding by the single demodulating unit is via a satellite decoder to generate a decoded satellite signal responsive to the first type corresponding to satellite television, and wherein the decoding by the single demodulating unit is via an over-the-air television decoder to generate a decoded over-the-air signal responsive to the first type corresponding to over-the-air television;

presenting one of the decoded cable signal, the decoded satellite signal, or the decoded over-the-air signal at a display according to a channel selection;

storing third conditional access and digital rights management data associated with a third premium television service provider at the removable memory card;

disabling the second premium television services of the second premium television service provider; and

enabling third premium television services of the third premium television service provider.

12. The apparatus of claim 11 , wherein the first premium television signal is a cable television signal.

13. The apparatus of claim 11 , wherein the operations further comprise:

receiving the over-the-air television signal; and

demodulating the over-the-air television signal by advanced television systems committee demodulation.

14. The apparatus of claim 11 , wherein the operations further comprise demodulating the first premium television signal by quadrature amplitude modulation demodulation.

15. The apparatus of claim 11 , wherein the operations further comprise demodulating the first premium television signal by quaternary phase shift keying demodulation.

16. A digital television device, comprising:

a processor; and

a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:

determining whether a first modulation type of a television signal corresponds to cable television or satellite television or over-the-air television;

selecting a cable demodulation or a satellite demodulation or an over-the-air demodulation for performing demodulation according to the first modulated type, wherein the demodulation is performed by a single programmable demodulation unit, wherein the single programmable demodulating unit demodulates via a cable demodulator to generate a demodulated cable signal responsive to the first modulation type corresponding to cable television, wherein the single demodulating unit demodulates via a satellite demodulator to generate a demodulated satellite signal responsive to the first modulation type corresponding to satellite television, and wherein the single demodulating unit demodulates via an over-the-air television demodulator to generate a demodulated over-the-air signal responsive to the first modulation type corresponding to over-the-air television;

decoding, one of the demodulated cable signal, the demodulated satellite signal, or the demodulated over-the-air signal to generate a first decoded signal;

enabling one of first cable television services according to first conditional access and digital rights management data stored at a removable memory card or satellite television services according to second conditional access and digital rights management data stored at the removable memory card;

presenting the first decoded signal at a display;

storing third conditional access and digital rights management data for second cable television services at the removable memory card;

receiving a second television signal;

disabling the first cable television services; and

enabling the second cable television services.

17. The digital television device of claim 16 , wherein the operations further comprise removing the second conditional access and digital rights management data from the removable memory card.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 8, 2014
From: ANSARI, AHMAD; HARTMAN, DAVID
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 033257/0085 →
CHANGE OF NAME Recorded Jul 8, 2014
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, LP
Reel/Frame 033280/0776 →
CHANGE OF NAME Recorded Jul 8, 2014
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, LP
Reel/Frame 033280/0911 →
Continuity (2)
Continuation 10427706 · Apr 30, 2003
Related Publication 20140289756A1 · Sep 25, 2014