Method and process for transmitting video content

• US 20040153648A1
• Filed: 02/21/2003
• Published: 08/05/2004
• Est. Priority Date: 01/31/2003
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: RealNetworks, Inc.
• Inventors: Rotholtz, Ben Aaron, Shen, Ji, Conklin, Gregory Joseph
• Granted Patent: US 7,302,057 B2
• Time in Patent Office: Days
• US Class Current: 713/176
• CPC Class Codes: H04L 2209/60 Digital content management, e.g. content distribution
• CPC Class Codes: H04L 9/3247 involving digital signatures
• CPC Class Codes: H04N 7/18 Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

Methods and apparatus, including computer program products, for transmitting content from a content collection site to a content monitoring site, including inserting a first digital signature into a first content segment collected by the content collection device, inserting a second digital signature, different form the first digital signature, into a second content segment collected by the content collection device sequentially after the first content segment, and transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site.

Claims

1. A method of transmitting content from a content collection site to a content monitoring site, the method comprising:

inserting a first digital signature into a first content segment collected by the content collection device;

inserting a second digital signature, different from the first digital signature, into a second content segment collected by the content collection device sequentially after the first content segment; and

transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site.

2. The method of claim 1, wherein the first digital signature and the second digital signature are portions of a third digital signature.

3. The method of claim 1, wherein transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site occurs over a first path, and further comprising:

transmitting the first digital signature and the second digital signature to the content monitoring site on a second path, different from the first path.

4. The method of claim 3, further comprising:

at the content monitoring site receiving a first transmission, which includes the first digital signature, from the first path and a second transmission, which includes the first digital signature, from the second path; and

comparing the first transmission to the second transmission.

5. The method of claim 4, wherein comparing the first transmission to the second transmission includes comparing the first digital signature included in the first transmission to the first digital signature included in the second transmission.

6. The method of claim 5, further comprising:

alerting a user if the first digital signature included in the first transmission differs from the first digital signature included in the second transmission.

7. The method of claim 5, further comprising:

displaying the first content segment included in the first transmission to a user if the first digital signature included in the first transmission matches the first digital signature included in the second transmission.

8. The method of claim 1, wherein the first digital signature includes an attribute of the content collection device.

9. The method of claim 1, wherein the first digital signature includes information relating to content collected by the content collection device.

10. The method of claim 1, further comprising:

storing the first digital signature at the content collection site.

11. The method of claim 1, wherein the content collection device includes a video camera.

12. The method of claim 1, wherein the content collection device includes a sensor to sense environmental data.

13. The method of claim 1, wherein the first content segment includes a digital video frame.

14. The method of claim 1, wherein the first content segment includes a digital video frame converted from video content.

15. The method of claim 1, wherein the first content segment includes content collected from a sensor.

16. The method of claim 3, wherein the second path couples to a licensing site.

17. The method of claim 4, wherein the second path couples to a licensing site that provides access to the second transmission.

18. A process for transmitting content from a content collection site to a content monitoring site, the process comprising:

a first insertion process for inserting a first digital signature into a first content segment collected by the content collection device;

a second insertion process for inserting a second digital signature, different from the first digital signature, into a second content segment collected by the content collection device sequentially after the first content segment; and

a first transmission process for transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site.

19. The process of claim 18, wherein the first digital signature and the second digital signature are portions of a third digital signature.

20. The process of claim 18, wherein the first transmission process for transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site occurs over a first path, and further comprising:

a second transmission process for transmitting the first digital signature and the second digital signature to the content monitoring site on a second path, different from the first path.

21. The process of claim 20, further comprising:

a reception process for receiving at the content monitoring site a first transmission, which includes the first digital signature, from the first path and a second transmission, which includes the first digital signature, from the second path; and

a comparison process for comparing the first transmission to the second transmission.

22. The process of claim 21, wherein comparing the first transmission to the second transmission includes comparing the first digital signature included in the first transmission to the first digital signature included in the second transmission.

23. The process of claim 22, further comprising:

an alert process for alerting a user if the first digital signature included in the first transmission differs from the first digital signature included in the second transmission.

24. The process of claim 22 further comprising:

a display process for displaying the first content segment included in the first transmission to a user if the first digital signature included in the first transmission matches the first digital signature included in the second transmission.

25. The process of claim 18, wherein the first digital signature includes an attribute of the content collection device.

26. The process of claim 18, wherein the first digital signature includes information relating to content collected by the content collection device.

27. The process of claim 18, further comprising:

a storage process for storing the first digital signature at the content collection site.

28. The process of claim 18, wherein the content collection device includes a video camera.

29. The process of claim 18, wherein the content collection device includes a sensor.

30. The process of claim 18, wherein the first content segment includes a digital video frame.

31. The process of claim 18, wherein the first content segment includes a digital video frame converted from video content.

32. The process of claim 18, wherein the first content segment includes content collected from a sensor.

33. The process of claim 20, wherein the second path couples to a licensing site.

34. The process of claim 21 wherein the second path couples to a licensing site that provides access to the second transmission.

35. An article comprising a machine-readable medium which stores executable instructions to transmit content from a content collection site to a content monitoring site, the instructions causing a machine to:

insert a first digital signature into a first content segment collected by the content collection device;

insert a second digital signature, different from the first digital signature, into a second content segment collected by the content collection device sequentially after the first content segment; and

transmit the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site.

36. The article of claim 35, wherein the first digital signature and the second digital signature are portions of a third digital signature.

37. The article of claim 35, wherein transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site occurs over a first path, and further comprising instructions causing the machine to:

transmit the first digital signature and the second digital signature to the content monitoring site on a second path, different from the first path.

38. The article of claim 37, further comprising instructions to:

at the content monitoring site receive a first transmission, which includes the first digital signature, from the first path and a second transmission, which includes the first digital signature, from the second path; and

compare the first transmission to the second transmission.

39. The article of claim 38, wherein comparing the first transmission to the second transmission includes comparing the first digital signature included in the first transmission to the first digital signature included in the second transmission.

40. The article of claim 39, further comprising instructions to:

alert a user if the first digital signature included in the first transmission differs from the first digital signature included in the second transmission.

41. The article of claim 39, further comprising instructions to:

display the first content segment included in the first transmission to a user if the first digital signature included in the first transmission matches the first digital signature included in the second transmission.

42. The article of claim 35, wherein the first digital signature includes an attribute of the content collection device.

43. The article of claim 35, wherein the first digital signature includes an attribute of the content collection device.

44. The article of claim 35, further comprising instructions to:

store the first digital signature at the content collection site.

45. The article of claim 35, wherein the content collection device includes a video camera.

46. The article of claim 35, wherein the content collection device includes a sensor.

47. The article of claim 35, wherein the first content segment includes a digital video frame.

48. The article of claim 35, wherein the first content segment includes a digital video frame converted from video content.

49. The article of claim 35, wherein the first content segment includes content collected from a sensor.

50. The article of claim 37, wherein the second path couples to a licensing site.

51. The article of claim 38, wherein the second path couples to a licensing site that provides access to the second transmission.

52. A system for transmitting content from a content collection site to a content monitoring site, the system comprising:

a content collection device for collecting a first content segment and a second content segment, wherein the first content segment is inserted with a first digital signature and the second content segment is inserted with a second digital signature, different from the first digital signature; and

a computer system for transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site.

53. The system of claim 52 wherein the computer system transmits the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site occurs over a first path, and further transmits the first digital signature and the second digital signature to the content monitoring site on a second path, different from the first path.

54. A method of a computer system transmitting content from a content collection site to a content monitoring site, the method comprises:

the computer system receiving a first content segment collected by a content collection device and a second content segment collected by the content collection device sequentially after the first content segment;

inserting a first digital signature into the first content segment;

inserting a second digital signature, different from the first digital signature, into the second content segment; and

transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site.

55. The method of claim 54, wherein transmitting the first content segment including the first digital signature and the second content segment including the second digital signature to the content monitoring site occurs over a first path from the computer system, and further comprising:

transmitting the first digital signature and the second digital signature to the content monitoring site on a second path from the computer system, different from the first path.