IP Library Granted Patent US 8,782,687
Granted Patent B2
US 8,782,687 · App. 10/427,706 · Granted Jul 15, 2014

Multi-platform digital television

Inventors: Ahmad Ansari (Austin, TX); David Hartman (Austin, TX)
Assignee: AT&T Intellectual Property I, LP
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Quick Facts
Patent No.
US 8,782,687
App. No.
10/427,706
Granted
Jul 15, 2014
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 (63)

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 a first input signal and a second input signal;

detecting a first modulation type of the first input signal and a second modulation type of the second input signal;

demodulating the first input signal at a cable demodulator to generate a first demodulated signal if the first modulation type corresponds to cable television or at a satellite demodulator to generate the first demodulated signal if the first modulation type corresponds to satellite television;

demodulating the second input signal at the cable demodulator to generate a second demodulated signal if the second modulation type corresponds to the cable television or at the satellite demodulator to generate the second demodulated signal if the second modulation type corresponds to the satellite 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 the first demodulated signal to generate a first decoded signal;

decoding the second demodulated signal to generate a second decoded signal;

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

receiving a third conditional access and digital rights management data associated with a second satellite service provider;

responsive to receiving the conditional access and digital rights management data:

storing the third conditional access and digital rights management data 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 , comprising computer 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.

3. The apparatus of claim 1 , comprising computer instructions which, responsive to being executed by the processor, cause the processor to perform operations further comprising storing the first conditional access and digital rights management data or the second conditional access and digital rights management data at the memory, wherein the first conditional access and digital rights management data or 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.

4. The apparatus of claim 1 wherein the first decoded signal and the second decoded signal comprise two different versions of moving picture experts group encoding.

5. The apparatus of claim 4 wherein the two different versions of moving picture experts group encoding comprise version of moving picture experts group-2 encoding.

6. An apparatus comprising:

a processor; and

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

receiving a first premium television signal and a second premium television signal;

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;

detecting a first type of the first premium television signal and a second type of the second premium television signal, wherein the first type and the second type each correspond to cable television or satellite television;

decoding the first premium television signal to generate a first decoded signal responsive to enabling the first premium television services and responsive to determining the first type of the first premium television signal;

decoding the second premium television signal to generate a second decoded signal responsive to enabling the second premium television services and responsive to determining the second type of the second premium television signal;

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

receiving a third conditional access and digital rights management data associated with a third premium television service provider;

responsive to receiving the conditional access and digital rights management data:

storing the third conditional access and digital rights management data 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.

7. The apparatus of claim 6 , wherein the first premium television signal is a cable television signal and the second premium television signal is a satellite television signal.

8. The apparatus of claim 7 comprising computer instructions which, responsive to being executed by the processor, cause the processor to further perform operations comprising:

receiving an over-the-air television signal; and

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

9. The apparatus of claim 7 comprising computer instructions which, responsive to being executed by the processor, cause the processor to further perform operations comprising demodulating the cable television signal by quadrature amplitude modulation demodulation.

10. The apparatus of claim 7 comprising computer instructions which, responsive to being executed by the processor, cause the processor to further perform operations comprising demodulating the satellite television signal by quaternary phase shift keying demodulation.

11. The apparatus of claim 6 , comprising computer 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 second premium television service provider; and

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

12. 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:

receiving a first television signal and a second television signal;

detecting a first modulation type of the first television signal and a second modulation type of the second television signal;

determining if the first modulation type corresponds to cable or satellite television and if the second modulation type corresponds to cable or satellite television; demodulating the first television signal and the second television signal at a cable demodulator to generate a first demodulated signal and a second demodulated signal if the first modulated type and the second modulation type correspond to cable television, or demodulating the first television signal and the second television signal at a satellite demodulator to generate the first demodulated signal and the second demodulated signal if the first modulated type and the second modulation type correspond to satellite television;

decoding, the first demodulated signal to generate a first decoded signal and the second demodulated signal to generate a second decoded signal;

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

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

presenting the first decoded signal at a display responsive to enabling cable television services;

presenting the second decoded signal at the display responsive to enabling satellite television services;

receiving a third conditional access and digital rights management data associated with a second cable service provider;

responsive to receiving the conditional access and digital rights management data:

storing the third conditional access and digital rights management data at the removable memory card;

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

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

Assignments (3)
CHANGE OF NAME Recorded Jun 5, 2014
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 033088/0497 →
CHANGE OF NAME Recorded Jun 5, 2014
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 033088/0499 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 20, 2003
From: ANSARI, AHMAD; HARTMAN, DAVID
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 014440/0001 →
Continuity (1)
Related Publication 20040221302A1 · Nov 4, 2004