Method and system for detecting and preventing unauthorized signal usage in a content delivery network

• US 20070076872A1
• Filed: 10/15/2004
• Published: 04/05/2007
• Est. Priority Date: 10/16/2003
• Status: Active Grant

• Current Assignee: Maxxian Technology Inc.
• Original Assignee: Maxxian Technology Inc.
• Inventors: Juneau, J.
• Granted Patent: US 7,958,524 B2
• Time in Patent Office: Days
• US Class Current: 380/202
• CPC Class Codes: H04L 63/1408 by monitoring network traffic monitoring network traffic per se H04L43/00
• 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 21/437 Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server flow control in data networks H04L47/10; streaming protocols, e.g. RTP or RTCP, H04L65/65; scheduling or organising the servicing of application requests in data packet switching networks H04L67/60
• CPC Class Codes: H04N 21/442 Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk arrangements for monitoring broadcast services or broadcast-related services H04H60/29; arrangements for identifying or recognising characteristics with a direct linkage to broadcast information H04H60/35; monitoring of user activities for profile generation for accessing a video database G06F16/739; monitoring in wireless networks H04W24/00
• CPC Class Codes: H04N 21/44204 Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched monitoring of user activities for profile generation for accessing a video database G06F16/739; protecting generic digital content where the protection is independent of the precise nature of the content G06F21/10; arrangements for monitoring the use made of the broadcast services in broadcast systems H04H60/31
• CPC Class Codes: H04N 21/44236 Monitoring of piracy processes or activities protecting computer platforms against harmful, malicious or unexpected behaviour or activities using intrusion detection and counter measures G06F21/566; computer virus detection and handling G06F21/56
• CPC Class Codes: H04N 21/4524 involving the geographical location of the client retrieval from the Internet by querying based on geographical locations G06F16/9537; systems specially adapted for using geographical information in broadcast systems H04H60/70; protocols in which the network application is adapted for the location of the user terminal in communication control or processing H04L67/52; services making use of the location of users or terminals in wireless networks H04W4/02; locating users or terminals in wireless networks H04W64/00
• CPC Class Codes: H04N 21/4542 Blocking scenes or portions of the received content, e.g. censoring scenes
• 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 21/6543 for forcing some client operations, e.g. recording remote booting in general G06F9/4416
• CPC Class Codes: H04N 21/6582 Data stored in the client, e.g. viewing habits, hardware capabilities, credit card number arrangements where receivers interact with the broadcast H04H20/38
• CPC Class Codes: H04N 21/8355 involving usage data, e.g. number of copies or viewings allowed
• CPC Class Codes: H04N 7/163 by receiver means only
• CPC Class Codes: H04N 7/17345 Control of the passage of the selected programme

Abstract

A method and system for controlling unauthorized signal usage in a content delivery network, such as a television network, is described. The method and system acquires at least two signal usage records for a receiver of the content, evaluates the at least two signal usage records for indicia of usage of a combination of signals not normally authorized on the receiver, and detects unauthorized signal usage upon the at least two signal usage records being consistent with such indicia.

Claims

1. A method for detecting unauthorized signal usage in a content delivery network, comprising the steps of:

acquiring at least two signal usage records for a receiver of said content;

evaluating said at least two signal usage records for indicia of usage of a combination of signals not normally authorized on said receiver; and

detecting unauthorized signal usage upon said at least two signal usage records being consistent with said indicia.

2. The method according to claim 1, wherein said indicia include use at said receiver of at least two signals each of which is only normally authorized for use in mutually distinct geographic locations.

3. The method according to claim 1, wherein usage of each said at least two signals is associated with a geographic blackout region, wherein geographic locations in which usage is normally authorized for any one of said at least two signals by reference to its respective blackout region is exclusive from geographic locations in which usage is normally authorized for any one other of said at least two geographic blackout regions associated with every other of said at least two signals.

4. The method according to claim 1, further comprising disabling said receiver upon detecting unauthorized signal usage at said receiver.

5. The method according to claim 4, wherein at least one of the steps of acquiring at least two signal usage records, evaluating said at least two usage signal records, detecting unauthorized signal usage and disabling said receiver is performed at a different time than in immediate succession to each other of the said steps.

6. The method according to claim 5, wherein the steps of acquiring at least two signal usage records, evaluating said at least two usage records, detecting unauthorized signal usage and disabling said receiver are performed by said receiver.

7. The method according to claim 5, wherein said content delivery network includes a conditional access system in communication with said receiver, and the steps of acquiring at least two signal usage records, evaluating said at least two signal usage records, detecting unauthorized signal usage and disabling said receiver are performed by said conditional access system.

8. The method according to claim 5, wherein said content delivery network includes a conditional access system in communication with said receiver, and said receiver performs at least one of the steps of acquiring at least two signal usage records, evaluating said at least two signal usage records, detecting unauthorized signal usage and disabling said receiver, and the conditional access system performs a said step other than the said at least one of the steps.

9. The method according to claim 5, wherein said receiver is associated with an interactive television system.

10. The method according to claim 2, wherein the said steps of evaluating said at least two signal usage records and detecting unauthorized signal usage are performed by at least one of said receiver, an advertising management system, a blackout control subsystem, a conditional access system, a multiplexer, and a parental control system, in each case being connected to said content delivery network.

11. The method according to claim 1, wherein said indicia include indicia of concurrent usage of two or more pay-per-usage signals.

12. The method according to claim 11, wherein said indicia of concurrent usage of two or more pay-per-usage signals include indicia of usage of said two or more pay-per-usage signals within a predetermined period of time.

13. The method according to claim 11, wherein said indicia of concurrent usage of said two or more pay-per-usage signals include indicia of picture-in-picture presentation of at least two of said two or more pay-per-usage signals.

14. The method according to claim 11, wherein said indicia of concurrent usage of said two or more pay-per-usage signals include indicia of recording of at least one of said two or more pay-per-usage signals while another of said two or more pay-per-usage signal is being used.

15. The method according to claim 11, wherein said indicia of concurrent usage of said two or more pay-per-usage signals include indicia of multi-channel presentation of said two or more pay-per-usage signals.

16. The method according to claim 15, wherein said indicia of multi-channel presentation include presentation of said two or more pay-per-usage signals in an electronic program guide.

17. The method according to claim 11, further comprising disabling said receiver in said content delivery network upon detecting unauthorized signal usage at said receiver.

18. The method according to claim 17, wherein at least one of the said steps of acquiring at least two signal usage records, evaluating said at least two signal usage records, detecting unauthorized signal usage and disabling said receiver is performed at a different time than in immediate succession to each other of the said steps.

19. The method according to claim 18, wherein said steps of acquiring at least two signal usage records, evaluating said at least two signal usage records, detecting unauthorized signal usage and disabling said receiver are performed by said receiver.

20. The method according to claim 18, wherein said content delivery network includes a conditional access system in communication with said receiver, and said steps of acquiring at least two signal usage records, evaluating said at least two signal usage records, detecting said unauthorized signal usage and disabling said receiver are performed by said conditional access system.

21. The method according to claim 18, wherein said content delivery network includes a conditional access system in communication with said receiver, and said receiver performs at least one of said steps of acquiring at least two signal usage records, evaluating said at least two signal usage records, detecting unauthorized signal usage and disabling said receiver, and the conditional access system performs a said step other than the said at least one of said steps.

22. The method according to claim 18, wherein said receiver is associated with an interactive television system.

23. The method according to claim 11, wherein the said step of evaluating said at least two signal usage records and detecting unauthorized signal usage are performed by at least one of said receiver, an advertising management system, a blackout control subsystem, a conditional access system, a multiplexer, and a parental control system, in each case being connected to said content delivery network.

31. The method according to claim 20, wherein said steps of acquiring a geographic indicia, acquiring at least one record, evaluating said at least one usage record, detecting unauthorized signal usage and disabling said receiver are performed by said receiver.

32. The method according to claim 20, wherein said content delivery network includes a conditional access system in communication with said receiver, and said steps of acquiring a geographic indicia, acquiring at least one record, evaluating said at least one usage record, detecting unauthorized signal usage and disabling said receiver are performed by said conditional access system.

33. The method according to claim 20, wherein said content delivery network includes a conditional access system in communication with said receiver, and said receiver performs at least one of said steps of acquiring a geographic indicia, acquiring at least one record, evaluating said at least one usage record, detecting unauthorized signal usage and disabling said receiver, and the conditional access system performs a said step other than the said at least one of said steps.

34. The method according to claim 20, wherein said receiver is associated with an interactive television system.

36. The method of claim 1, further comprising acquiring a geographic indicia for said receiver to identify a geographic location associated with the receiver, and wherein said indicia of usage include at least two of:

use at said receiver of at least two signals each of which is only normally authorized for use in mutually distinct geographic locations;

use at said receiver of a signal not normally authorized for usage in the geographic location associated with said receiver; and

concurrent usage of two or more pay-per-usage signals.

24. A method for controlling unauthorized signal usage in a content delivery network, the method comprising the steps of acquiring geographic indicia for a receiver of said content, said geographic indicia identifying a geographic location associated with said receiver;

acquiring at least one signal usage record for said receiver;

evaluating said at least one signal usage record for indicia of usage of at least one signal not normally authorized on said receiver; and

detecting unauthorized signal usage upon said at least one signal usage record having indicia of usage of a signal not normally authorized for usage in the said geographic location.

25. The method according to claim 24, wherein said indicia of usage of said at least one signal not normally authorized on said receiver include indicia of usage corresponding to a signal controlled by a geographic blackout region which does not normally permit usage of the signal in the geographic location of said receiver.

26. The method according to claim 24, wherein said geographic indicia comprise data associated with the time zone of the said geographic location.

27. The method according to claim 24, wherein said geographic indicia comprise data associated with a global positioning system.

28. The method according to claim 24, wherein said geographic indicia comprise data associated with the postal code of the said geographic location.

29. The method according to claim 24, further comprising disabling said receiver in said content delivery network upon detecting unauthorized signal usage at said receiver.

30. The method according to claim 29, wherein at least one of said steps of acquiring a geographic indicia, acquiring at least one usage signal, evaluating said at least one usage record, detecting unauthorized signal usage and disabling said receiver is performed at a different time than in immediate succession to each other of the said steps.

35. The method according to claim 24, wherein the said step of evaluating said at least one usage record is performed by at least one of said receiver, an advertising management system, a blackout control subsystem, a conditional access system, a multiplexer, and a parental control system, in each case being connected to said content delivery network.

37. A system for detecting unauthorized signal usage in a content delivery network, comprising:

a record acquisition module for acquiring at least two signal usage records for a receiver of said content;

a data set of indicia of usage of a combination of signals not normally authorized on said receiver; and

an evaluation module for evaluating said at least two signal usage records against said indicia, wherein unauthorized signal usage is detected upon said at least two signal usage records being consistent with said indicia.

38. The system for controlling unauthorized signal usage of claim 37, further comprising a disabling module for disabling said receiver upon detecting unauthorized signal usage at said receiver.

39. The system for controlling unauthorized signal usage of claim 38, wherein said record acquisition module, evaluation module and disabling module each executes at a different time than in immediate succession to each other.

40. The system for controlling unauthorized signal usage of claim 39, wherein said record acquisition module, data set of indicia, evaluation module, and disabling module are associated with at least one network element in said content delivery network.

41. The system for controlling unauthorized signal usage of claim 40, wherein one of said at least one network element is any one of said receiver, an advertising management system, a blackout control system, a conditional access system, a multiplexer and a parental control system.

42. The system for controlling unauthorized signal usage of claim 41, wherein said indicia include use at said receiver of at least two signals each of which is only normally authorized for use in mutually distinct geographic locations.

43. The system for controlling unauthorized signal usage of claim 42, wherein usage of each said at least two signals is associated with a geographic blackout region, wherein geographic locations in which usage is normally authorized for any one of said at least two signals by reference to its respective blackout region is distinct from geographic locations in which usage is normally authorized for any one other of said at least two geographic blackout regions associated with every other of said at least two signals.

44. The system for controlling unauthorized signal usage of claim 41, wherein said indicia include concurrent usage of two or more pay-per-usage signals.

45. The system for controlling unauthorized signal usage of claim 44, wherein said indicia of concurrent usage of two or more pay-per-use signals include indicia of usage of said two or more pay-per-usage signals within a predetermined period of time.

46. The system for controlling unauthorized signal usage of claim 44, wherein said indicia of concurrent usage of said two or more pay-per-usage signals include indicia of picture-in-picture presentation of at least two of said two or more pay-per-usage signals.

47. The system for controlling unauthorized signal usage of claim 44, wherein said indicia of concurrent usage of said two or more pay-per-usage signals include indicia of recording of at least one of said two or more pay-per-usage signals while another of said two or more pay-per-usage signal is being used.

48. The system for controlling unauthorized signal usage of claim 44, wherein said indicia of concurrent usage of said two or more pay-per-usage signals include indicia of multi-channel presentation of said two or more pay-per-usage signals.

49. The system for controlling unauthorized signal usage of claim 44, wherein said indicia of multi-channel presentation include presentation of said two or more pay-per-usage signals in an electronic program guide.

50. The system for controlling unauthorized signal usage of claim 41, wherein said acquisition module further acquires a geographic indicia for said receiver to identify a geographic location associated with said receiver, and said indicia include indicia of usage of a signal not normally authorized for usage in the geographic location of said receiver.

51. The system for controlling unauthorized signal usage of claim 50, wherein said indicia of usage of said at least one signal not normally authorized on said receiver include indicia of usage corresponding to a signal controlled by a geographic blackout region which does not normally permit usage of the signal in the geographic location of said receiver.

52. The system for controlling unauthorized signal usage of claim 50, wherein said geographic indicia comprise data associated with the time zone of the said geographic location.

53. The system for controlling unauthorized signal usage of claim 50, wherein said geographic indicia comprise data associated with a global positioning system.

54. The system for controlling unauthorized signal usage of claim 50, wherein said geographic indicia comprise data associated with the postal code of the said geographic location.

55. The system for controlling unauthorized signal usage of claim 41, wherein said acquisition module further acquires a geographic indicia associated with said receiver, and said indicia include at least two of:

use at said receiver of at least two signals each of which is only normally authorized for use in mutually distinct geographic locations;

use at said receiver of a signal not normally authorized for usage in the geographic location associated with said receiver; and

concurrent usage of two or more pay-per-usage signals.