Video processing system with conditional access module and methods for use therewith

• US 9,215,422 B2
• Filed: 08/12/2008
• Issued: 12/15/2015
• Est. Priority Date: 05/20/2008
• Status: Expired due to Fees

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Gordon, Stephen E., Karaoguz, Jeyhan, Chen, Sherman (Xuemin), Dove, Michael, Rosmann, David, Quigley, Thomas J.
• Primary Examiner(s): ALAM, MUSHFIKH I
• Application Number:
  US12/190,122
• Publication Number:
  US 20090293083A1
• Time in Patent Office: 2,681 Days
• Field of Search: 725 86-104
• US Class Current: 1/1
• CPC Class Codes: H04N 21/2541 Rights Management protecting software against unauthorised usage in a vending or licensing environment G06F21/10; security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08
• CPC Class Codes: H04N 21/2543 Billing , e.g. for subscription services payment schemes, architectures or protocols G06Q20/00; e-commerce G06Q30/00; arrangements for billing for the use of broadcast information or broadcast-related information H04H60/21
• CPC Class Codes: H04N 21/26606 for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM] arrangements for conditional access to broadcast information or to broadcast-related services H04H60/14
• CPC Class Codes: H04N 21/4623 Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message] arrangements for conditional access to broadcast information or to broadcast-related services H04H60/14
• CPC Class Codes: H04N 21/4627 Rights management associated to the content security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08
• CPC Class Codes: H04N 21/6581 Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
• CPC Class Codes: H04N 7/162 Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
• CPC Class Codes: H04N 7/17318 Direct or substantially direct transmission and handling of requests

Abstract

A video processing system includes a video device that generates a request corresponding to video content. A conditional access module generates a video signal for transmission to the video device during a first time period, and terminates transmission of the video signal when the request is not authenticated during the first time period. In a further embodiment, the conditional access module generates a video signal for unscrambled transmission to the video device during a first time period, terminates the unscrambled transmission of the video signal at the expiration of the first time period, and continues with scrambled transmission of the video signal after the first time period.

Claims

1. A video processing system comprising:

a video device that generates a request corresponding to video content triggered by a channel change to a new broadcast channel; and

a network conditional access module, coupled to the video device via a public telecommunications network, that generates a video signal for transmission to the video device via the public telecommunications network with a first authentication during a first time period, wherein a beginning of the first time period is triggered by the channel change, wherein a length of the first time period corresponds to authentication latency, and wherein the conditional access module terminates transmission of the video signal from the public telecommunications network to the video device when the request is not authenticated via a second authentication that is more stringent that the first authentication, during the first time period.

2. The video processing system of claim 1 wherein the channel change from a previous broadcast channel to the new broadcast channel.

3. The video processing system of claim 1 wherein the network conditional access module authenticates the request based on subscription data corresponding to a user of the video device.

4. The video processing system of claim 1 wherein the network conditional access module authenticates the request based on authentication data corresponding to the video device.

5. The video processing system of claim 1 wherein the network conditional access module authenticates the request based on conditional access data.

6. The video processing system of claim 1 wherein the video device is a wireless device and the video processing system further comprises:

a wireless access device, coupled to wirelessly receive the request from the video device and to transmit the request to the network conditional access module via the public telecommunications network.

13. The video processing system of claim 1 wherein the first time period is less than 10 seconds.

7. A method comprising:

receiving a request from a video device, the request corresponding to video content triggered by a channel change to a new broadcast channel;

generating a video signal for transmission with a first authentication to the video device via a public telecommunications network during a first time period in response to the request wherein a beginning of the first time period is triggered by the channel change, wherein a length of the first time period corresponds to an expected authentication latency; and

terminating transmission of the video signal from the public telecommunications network to the video device when the request is not authenticated during the first time period via a second authentication that is more stringent that the first authentication.

8. The method of claim 7 wherein the channel change from a previous broadcast channel to the new broadcast channel.

9. The method of claim 7 further comprising:

authenticating the request based on subscription data corresponding to a user of the video device.

10. The method of claim 7 further comprising:

authenticating the request based on authentication data corresponding to the video device.

11. The method of claim 7 further comprising:

authenticating the request based on conditional access data.

12. The method of claim 7 wherein the method further comprises:

transmitting the request to a conditional access module via the public telecommunications network.

14. The method of claim 7 wherein the first time period is less than 10 seconds.

15. A video processing system comprising:

a network interface that receives a request, from a video device via a public telecommunications network, corresponding to video content triggered by a channel change to a new broadcast channel; and

a network conditional access module, coupled to the network interface, that generates a video signal for transmission to the video device via the public telecommunications network with a first authentication during a first time period, wherein a beginning of the first time period is triggered by the channel change, wherein a length of the first time period corresponds to authentication latency, and wherein the conditional access module terminates transmission of the video signal from the public telecommunications network to the video device when the request is not authenticated via a second authentication that is more stringent that the first authentication, during the first time period.

16. The video processing system of claim 15 wherein the channel change from a previous broadcast channel to the new broadcast channel.

17. The video processing system of claim 15 wherein the network conditional access module authenticates the request based on subscription data corresponding to a user of the video device.

18. The video processing system of claim 15 wherein the network conditional access module authenticates the request based on authentication data corresponding to the video device.

19. The video processing system of claim 15 wherein the network conditional access module authenticates the request based on conditional access data.

20. The video processing system of claim 15 wherein the video device is a wireless device and the video processing system further comprises:

a wireless access device, coupled to wirelessly receive the request from the video device and to transmit the request to the network conditional access module via the public telecommunications network.