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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0332097 (1994-10-31) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 262 인용 특허 : 0 |
A video conferencing system wherein a director controller is adapted for disposition on a lecture podium. The controller includes an interconnected control section and a video display section for controlling the distribution of generated audio and video information signals among a local and remote s
A video conferencing system wherein a director controller is adapted for disposition on a lecture podium. The controller includes an interconnected control section and a video display section for controlling the distribution of generated audio and video information signals among a local and remote sites selectively in accordance with command signals fed to the controller by a podium speaker. The system is adapted to operate in one of two operating modes: a "Main-screen" mode and a "Mark-up" mode. In the "Main-screen" mode, the video display section is made up of two display areas; a "presentation" display area, and a "preview" display area. The "presentation" display area displays the video information which typically is currently being viewed by the audience/participants at the remote and local sites. The "preview" video display area is privately viewable by the podium speaker, displays video information signals from a second podium speaker selected one of the video sources. In the "Mark-up" mode, the "preview" area is removed and the size of the "presentation" area is increased. The image in the enlarged "presentation" area is adapted for editing/annotation by the podium speaker. The edited/annotated image is distributed to the local and remote sites.
[ What is claimed is:] [1.] A video conferencing system wherein a local site is networked with at least one remote site to interchange audio and video information, the at least one remote site having a video camera, a video monitor, a loudspeaker and a microphone, the local site having a video camer
[ What is claimed is:] [1.] A video conferencing system wherein a local site is networked with at least one remote site to interchange audio and video information, the at least one remote site having a video camera, a video monitor, a loudspeaker and a microphone, the local site having a video camera, a loudspeaker and a microphone, and further having:a controller, comprising: an interconnected video display section and control section, for controlling distribution of generated audio and video information among the sites selectively in accordance with electrical signals fed to the control section in response to a tactile command from a podium speaker to the video display section, wherein the video display section includes, in a first mode of operation preview display section includes, in a first mode of operation preview and presentation video display areas, wherein video information from a first video source, selected from a plurality of different video sources including video cameras at the remote and local sites, being displayed in the presentation area is distributed to the video monitor at the at least one remote site, and wherein the control section, in response to a command from the podium speaker, causes video information from a second video source selected from the video sources, being displayed in the preview area to be distributed to the video monitor at the at least one remote site in place of the previously distributed, first mentioned video information from the first selected video source.
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