A multimedia collaboration system integrates separate real-time and asynchronous network paths?the former for real-time audio and video, and the latter for control signals and textual, graphical and other data?in a manner that is interoperable across different computer and network operating system p
A multimedia collaboration system integrates separate real-time and asynchronous network paths?the former for real-time audio and video, and the latter for control signals and textual, graphical and other data?in a manner that is interoperable across different computer and network operating system platforms and which facilitates close approximations of face-to-face collaboration, while liberating the participants from the limitations of time and distance.In one embodiment, the system and method include at least one analog video-signal source, a plurality of video display devices, and at least one communication control component configured to produce digital control-signals. This system and method further provide for a computer network having an unshielded twisted pair (UTP) defining a UTP communication path arranged for video-signal transportation and configured to multiplex analog video-signals originating at one of the video-signal sources, with digital control-signals from one of the communication control components. The system and method further provide for the transmission of multiplexed signals along the UTP communication path to at least one of the video display devices, and use the control-signals to control reproduction of TV quality color video images on at least one of the video display devices, based on the video-signals.
대표청구항▼
1. A video communication system comprising:(a) at least one analog video-signal source; (b) a plurality of video display devices; (c) at least one communication control component configured (i) to produce digital control-signals; and (d) a computer network, including (i) an unshielded twisted pair o
1. A video communication system comprising:(a) at least one analog video-signal source; (b) a plurality of video display devices; (c) at least one communication control component configured (i) to produce digital control-signals; and (d) a computer network, including (i) an unshielded twisted pair of wires, (1) defining a UTP communication path (2) arranged for video-signal transportation, wherein the system is configured tomultiplex (1) analog video-signals, a. originating at one of the video-signal sources, (2) with digital control-signals; a. from one of the communication control components (ii) transmit (1) the multiplexed signals (2) along the UTP communication path, (3) to at least one of the video display devices, and (iii) use (1) the control-signals (2) to control reproduction of color video images a. at TV quality, b. based on the video-signals, c. on at least one of the video display devices. 2. The video communication system of claim 1, further comprising(a) at least one analog audio-signal source; and (b) at least one audio reproduction device, wherein the system is configured to(i) multiplex (1) the analog video-signals (2) with the digital control-signals, and (3) with analog audio-signals a. originating at one of the audio-signal sources; (ii) transmit (1) these multiplexed signals (2) along the UTP communication path; and (iii) reproduce audio (1) based on the audio-signals (2) at one of the audio reproduction devices. 3. The system of claim 2, further comprising:(a) at least one switch (i) in communication with the UTP communication path, wherein the system is configured to (i) control the switch (ii) to route (1) the multiplexed signals (2) along the UTP communication path. 4. The system of claim 3, wherein the computer network further includes:(a) at least one server (i) configured to (1) control the switch. 5. The system of claim 2, wherein(a) each of video display device (i) has an associated processor (ii) to define a workstation, and wherein the system is configured to (iii) control the reproduction of video images and spoken audio (1) of a first workstation user (2) at the workstation of a second workstation user. 6. The system of claim 5, wherein the system is configured(a) to combine video images (i) of at least a first and a second user (ii) into a mosaic image, and (b) to reproduce the mosaic image (i) on one of the video display devices. 7. The system of claim 5, wherein the system is configured:(a) to allow a first user (i) to use a first graphical user interface (ii) to select a user (iii) from a plurality of users; and (b) to allow the first user (i) to use a second graphical user interface (ii) to select a collaboration type (iii) from a group of collaboration types; and (c) to respond (i) by establishing communication (ii) of the selected collaboration type (iii) between the first user and (iv) the selected user. 8. The system of claim 2, comprising:(a) at least one processor (i) capable of providing data conferencing signals; wherein the system is configured to (ii) display information, (1) based on the data conferencing signals, (2) on one of the display devices. 9. The system of claim 8, wherein(a) images (i) based on the video signals (ii) can be displayed (iii) in a first window on the display device, and (b) information (i) based on the data conferencing signals (ii) can be displayed (iii) in a second window on the display device. 10. The system of claim 8, wherein(a) the information (i) based on the data conferencing signals (ii) is displayed (iii) interactively (iv) on at least two of the display devices. 11. A method of conducting a teleconference using a system includinga plurality of video display devices, and at least one video signal source the method comprising the steps of: (a) generating analog video-signals, (i) at one of the video-signal sources; (b) producing digital control-signals; (c) multiplexing (i) the analog video-signals (ii) with the control-signals (iii) onto a computer network; (1) including at least one unshielded twisted pair of wires, (i) defining a UTP communication path; and (ii) arranged for video-signal transportation, (d) transmitting the multiplexed signals (i) along the UTP communication path; and (e) using the control-signals to (i) control the reproduction of color video images, (1) at TV quality, (2) based on the transmitted video-signals, (3) on one of the video display devices. 12. The method of claim 11, wherein the system includesat least one audio source and at least one audio reproduction device, the method further comprising the steps of:(a) transporting audio signals, (i) originating at one of the audio sources; (ii) over the UTP communication path; and (b) reproducing audio (i) based on the transported audio signals (ii) at one of the audio reproduction device. 13. The method of claim 12, further comprising the step of:(a) switching the signals (i) over the UTP communication path. 14. The method of claim 12, wherein(a) each video display device (i) has an associated processor (ii) to define a workstation, the method further comprising the step of (iii) displaying images at a workstation. 15. The method of claim 14, further comprising the steps of:(a) combining video images (i) of at least a first and a second user (ii) into a mosaic image, and (b) reproducing the mosaic image (i) on at least one of the video display devices. 16. The method of claim 14, further comprising the steps of:(a) allowing a first user (i) to use a first graphical user interface (ii) to select a user (iii) from a plurality of users; (b) allowing the first user (i) to use a second graphical user interface (ii) to select a collaboration type (iii) from a group of collaboration types; and (c) responding (i) by establishing communication (ii) of the selected collaboration type (iii) from the first user to (iv) the selected user. 17. The method of claim 14, further comprising the steps of:(a) generating data conferencing signals; (b) transmitting the data conferencing signals (i) over at least one data communication path (c) displaying information, (i) based on the transmitted data conferencing signals, (ii) on at least one of the video display devices. 18. The method of claim 17, further comprising the steps of:(a) reproducing images (i) based on the video signals (ii) in a first window on the display device, and (b) displaying information (i) based on the data conference signals (ii) in a second window on the display device. 19. A video communication systemfor operation with an infrastructure including at least one analog video-signal source; a plurality of video display devices; and a computer network including an unshielded twisted pair of wires defining a UTP communication path, and arranged for video signal transportation, the system comprising: (a) at least one communication control component configured to, produce digital control-signals; and wherein the system is configured to (i) multiplex (1) analog video-signals, a. originating at a video-signal source, (2) with digital control-signals a. from one of the communication control components, (ii) transmit the multiplexed signals (1) along the UTP communication path; (2) to at least one of the video display devices; and (iii) use the control-signals to (1) control reproduction of color video images, a. at TV quality, b. based on the video-signals, c. one of the video display devices. 20. The video communication system of claim 19, wherein the infrastructure further includesat least one analog audio-signal source; and at least one audio reproduction device, and wherein the system is configured to (i) multiplex (1) the analog video-signals (2) with the digital control signals, and (3) with analog audio-signals a. originating at one of the audio-signal sources; (ii) transmit (1) these multiplexed signals (2) along the UTP communication path; and (iii) reproduce audio (1) based on the audio-signals (2) at one of the audio reproduction devices. 21. The system of claim 20, wherein(a) the control components are further configured to control (i) a switch (ii) to route the multiplexed signals (1) along the UTP communication path. 22. The system of claim 21, wherein the system further comprises:(a) at least one server (i) configured to (1) control the switch. 23. The system of claim 20, wherein(a) each video display device (i) has an associated processor (ii) to each define a workstation, and wherein the system is configured (iii) to control the reproduction of video images and spoken audio (1) of a first workstation user (2) at the workstation of a second workstation user. 24. The system of claim 23, wherein the system is configured(a) to combine video images (i) of at least a first and a second user (ii) into a mosaic image, and (b) to reproduce the mosaic image (i) on at least one of the video display devices. 25. The system of claim 23, wherein the system is configured:(a) to allow a first user (i) to use a first graphical user interface (ii) to select a user (iii) from a plurality of users; and (b) to allow the first user (i) to use a second graphical user interface (ii) to select a collaboration type (iii) from a group of collaboration types; and (c) to respond (i) by establishing communication (ii) of the selected collaboration type (iii) between the first user and (iv) the selected user. 26. The system of claim 22, wherein the system is configured:(a) to transport data conferencing signals (1) originating at a processor, (2) to at least one of the display devices, (b) display video images, (1) based on the carried video signals, (2) on the display device, and (c) display information, (1) based on the carried data conferencing signals, (2) on the display device. 27. The system of claim 26, wherein:(a) images (i) based on the video signals (ii) can be displayed (iii) in a first window on the display device, and (b) information (i) based on the data conference signals (ii) can be displayed (iii) in a second window on the display device. 28. The system of claim 26, wherein(a) the information (i) based on the data conferencing signals (ii) is displayed (iii) interactively (iv) on at least two of the display devices.
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