IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
US-0892159
(2001-06-26)
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발명자
/ 주소 |
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| 출원인 / 주소 |
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| 대리인 / 주소 |
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| 인용정보 |
피인용 횟수 :
114 인용 특허 :
22 |
초록
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A plurality of live video streams are generated by video cameras associated with terminals in a network. In one embodiment, the live video streams are received and cached by a first terminal. In addition, the live video streams are simultaneously displayed on the first terminal in one of various for
A plurality of live video streams are generated by video cameras associated with terminals in a network. In one embodiment, the live video streams are received and cached by a first terminal. In addition, the live video streams are simultaneously displayed on the first terminal in one of various formats, such as a grid format or a ticker format. In response to a user selecting one of the live video streams being displayed, an earlier-in-time cached segment of the selected live video stream is retrieved and displayed to the user.
대표청구항
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1. A method for providing access to cached video footage from multiple networked video cameras, the method comprising:receiving a plurality of live video streams, each live video stream being generated by a video camera associated with a different terminal in a network; simultaneously displaying the
1. A method for providing access to cached video footage from multiple networked video cameras, the method comprising:receiving a plurality of live video streams, each live video stream being generated by a video camera associated with a different terminal in a network; simultaneously displaying the plurality of live video streams on first terminal, wherein the plurality of live video streams are arranged in a ticker format; detecting a user selection of one of the live video streams being displayed; obtaining an earlier-in-time cached segment of the selected live video stream; and playing back the cached segment on the first terminal. 2. The method of claim 1, wherein at least one video camera comprises a webcam.3. The method of claim 1, wherein at least one terminal comprises an interactive television system.4. The method of claim 1, further comprising:caching the plurality of live video streams within at least one storage device. 5. The method of claim 4, wherein at least one live video stream is cached by the terminal from which the live video stream originated.6. The method of claim 4, wherein at least one live video stream is cached by the first terminal.7. The method of claim 4, wherein at least one live video stream is cached by an intermediate network node linking the first terminal and the terminal from which the live video stream originated.8. The method of claim 7, wherein the intermediate network node comprises one of a cable head-end and a satellite broadcast center.9. The method of claim 1, wherein the network comprises one of cable network and a satellite network.10. The method of claim 1, wherein displaying comprises:arranging the plurality of live video streams in a grid format on the first terminal. 11. The method of claim 1, further comprising:moving the displayed video streams in a same direction across at least a portion of a display screen of the first terminal. 12. The method of claim 1, wherein obtaining comprises:obtaining the cached segment from the terminal from which the selected live video stream originated. 13. The method of claim 1, wherein obtaining comprises:obtaining the cached segment from an intermediate network node linking the first terminal and the terminal from which the selected live video stream originated. 14. The method of claim 1, wherein obtaining comprises:obtaining the cached segment from a storage device integrated with the first terminal. 15. The method of claim 1, wherein playing back the cached segment comprises:enlarging the cached segment as displayed on the first terminal relative to the live video streams. 16. The method of claim 1, wherein playing back the cached segment comprises:replacing the live video streams being displayed on the first terminal with a display of the cached segment. 17. The method of claim 1, wherein the cached segment comprises a beginning point and an ending point, and wherein playing back the cached segment comprises:playing back the cached segment in reverse direction starting with the ending point thereof. 18. The method of claim 1, wherein receiving comprises:selectively receiving a live video stream based upon a corresponding entry in a video phonebook. 19. The method of claim 1, wherein detecting comprises:moving a selection outline around a displayed video stream in response to user activation of navigational buttons on a remote control device; and detecting user activation of a specifically-designated button on the remote control device for providing access to cached video footage. 20. A computer program product comprising program code for performing method for providing access to cached video footage from multiple networked video cameras, the method comprising:receiving a plurality of live video streams, each live video stream being generated by a video camera associated with a different terminal in a network; simultaneously displaying the plurality of live video streams on a first terminal, wherein the plurality of live video streams are arranged in a ticker format; detecting a user selection of one of the live video streams being displayed; obtaining an earlier-in-time cached segment of the selected live video stream; and playing back the cached segment on the first terminal. 21. The computer program product of claim 20, wherein at least one video camera comprises a webcam.22. The computer program product of claim 20, wherein at least one terminal comprises an interactive television system.23. The computer program product of claim 20, the method further comprising:caching the plurality of live video streams within at least one storage device. 24. The computer program product of claim 23, wherein at least one live video stream is cached by the terminal from which the live video stream originated.25. The computer program product of claim 24, wherein at least one live video stream is cached by the first terminal.26. The computer program product of claim 23, wherein at least one live video stream is cached by an intermediate network node linking the first terminal and the terminal from which the live video stream originated.27. The computer program product of claim 26, wherein the intermediate network node comprises one of a cable head-end and a satellite broadcast center.28. The computer program product of claim 20, wherein the network comprises one of cable network and a satellite network.29. The computer program product of claim 20, wherein displaying comprises:arranging the plurality of live video streams in a grid format on the first terminal. 30. The computer program product of claim 20 the method further comprising:moving the displayed video streams in a same direction across at least a portion of a display screen of the first terminal. 31. The computer program product of claim 20, wherein obtaining comprises:obtaining the cached segment from the terminal from which the selected live video stream originated. 32. The computer program product of claim 20, wherein obtaining comprises:obtaining the cached segment from an intermediate network node linking the first terminal and the terminal from which the selected live video stream originated. 33. The computer program product of claim 20, wherein obtaining comprises:obtaining the cached segment from a storage device integrated with the first terminal. 34. The computer program product of claim 20, wherein playing back the cached segment comprises:enlarging the cached segment as displayed on the first terminal relative to the live video streams. 35. The computer program product of claim 20, wherein playing back the cached segment comprises:replacing the live video streams being displayed on the first terminal with a display of the cached segment. 36. The computer program product of claim 20, wherein the cached segment comprises a beginning point and an ending point, and wherein playing back the cached segment comprises:playing back the cached segment in reverse direction starting with the ending point thereof. 37. The computer program product of claim 20, wherein receiving comprises:selectively receiving a live video stream based upon a corresponding entry in a video phonebook. 38. The computer program product of claim 20, wherein detecting comprises:moving a selection outline around a displayed video stream in response to user activation of navigational buttons on a remote control device; and detecting user activation of a specifically-designated button on the remote control device for providing access to cached video footage. 39. A system for providing access to catched video footage from multiple networked video cameras, the system comprising:a stream reception component configured to receive a plurality of live video streams, each live video stream being generated by a video camera associated with a different terminal in a network; a stream display component configured to simultaneously display the plurality of live video streams on a first terminal, wherein the plurality of live video streams are arranged in a ticker format; a stream selection component configured to detect a user selection of one of the live video streams being displayed; and a cache interface component configured to obtain an earlier-in-time cached segment of the selected live video stream; wherein the stream display component is further configured to play back the cached segment on the first terminal. 40. The system of claim 39, wherein at least one video camera comprises a webcam.41. The system of claim 39, wherein at least one terminal comprises an interactive television system.42. The system of claim 39, further comprising:a stream caching component configured to cache the plurality of live video streams within at least one storage device. 43. The system of claim 42, wherein at least one live video stream is cached by the terminal from which the live video stream originated.44. The system of claim 42, wherein at least one live video stream is cached by the first terminal.45. The system of claim 42, wherein at least one live video stream is cached by an intermediate network node linking the first terminal and the terminal from which the live video stream originated.46. The system of claim 45, wherein the intermediate network node comprises one of a cable head-end and a satellite broadcast center.47. The system of claim 39, wherein the network comprises one of cable network and a satellite network.48. The system of claim 39, wherein the stream display component is further configured to arrange the plurality of live video streams in a grid format on the first terminal.49. The system of claim 39, wherein the stream display component is further configured to move the displayed video streams in a same direction across at least a portion of a display screen of the first terminal.50. The system of claim 39, wherein the cache interface is further configured to obtain the cached segment from the terminal from which the selected live video stream originated.51. The system of claim 39, wherein the cache interface is further configured to obtain the cached segment from an intermediate network node linking the first terminal and the terminal from which the selected live video stream originated.52. The system of claim 39, wherein the cache interface is further configured to obtain the cached segment from a storage device integrated with the first terminal.53. The system of claim 39, wherein the stream display component is further configured to enlarge the cached segment as displayed on the first terminal relative to the live video streams.54. The system of claim 39, wherein the stream display component is further configured to replace the live video streams being displayed on the first terminal with a display of the cached segment.55. The system of claim 39, wherein the cached segment comprises a beginning point and an ending point, and wherein the stream display component is further configured to play back the cached segment in reverse direction starting with the ending point thereof.56. The system of claim 39, wherein the stream reception component is further configured to selectively receive a live video stream based upon a corresponding entry in a video phonebook.57. The system of claim 39, wherein the stream selection component is further configured to move a selection outline around a displayed video stream in response to user activation of navigational buttons on a remote control device and detect user activation of a specifically-designated button on the remote control device for providing access to cached video footage.58. A method for providing access to cached video footage from multiple webcams, the method comprising:receiving a plurality of live video streams, each live video stream being generated by a video camera associated with an interactive television system in a network; caching the live video streams within a storage device; simultaneously displaying the plurality of live video streams on a first interactive television system, wherein the plurality of live video streams are arranged in a ticker format; detecting a user selection of one of the live video steams being displayed; retrieving an earlier-in-time cached segment of the selected live video stream from the storage device; and laying back the cached segment on the first interactive television system. 59. A computer program product comprising program code for performing a method for providing access to cached video footage from multiple webcams, the method comprising:receiving a plurality of live video streams, each live video stream being generated by a video camera associated with an interactive television system in a network; caching the live video streams within a storage device; simultaneously displaying the plurality of live video streams on a first interactive television system, wherein the plurality of live video streams are arranged in a ticker format; detecting a user selection of one of the live video streams being displayed; retrieving an earlier-in-time cached segment of the selected live video stream from the storage device; and playing back the cached segment on the first interactive television system. 60. A system for providing access to cached video footage from multiple webcams, the system comprising:a stream reception component configured to receive a plurality live video streams, each live video stream being generated by a video camera associated with an interactive television system in a network; a storage device configured to store video streams; a stream caching component configured to cache the live video streams within the storage device; a stream display component configured to simultaneously display the plurality of live video streams on a first interactive television system, wherein the plurality of live video streams are arranged in a ticker format; a stream selection component configured to detect a user selection of one of the live video streams being displayed; and a cache interface component configured to retrieve an earlier-in-time cached segment of the selected live video stream from the storage device; wherein the stream display component is further configured to play back the catched segment on the first interactive television system.
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