发明名称 |
Automatic display update of still frame images for videoconferencing |
摘要 |
A method and apparatus to be used for videoconferencing when the presentation is to include displays of documents or other visuals. A camera is focused on the document and detects when the document is being handled by the presenter. It automatically determines when to initially display the document, as well as when to update frames of data representing the document.
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申请公布号 |
US5990931(A) |
申请公布日期 |
1999.11.23 |
申请号 |
US19970826900 |
申请日期 |
1997.04.09 |
申请人 |
VTEL CORPORATION |
发明人 |
NIMRI, ALAIN;KENOYER, MICHAEL LEE |
分类号 |
H04N7/14;(IPC1-7):H04N7/14 |
主分类号 |
H04N7/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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