发明名称 |
Video-telephone communications system |
摘要 |
An auxiliary unit is used in conjunction with a personal computer based work station for interconnecting the work station to an audio-visual communications network. The auxiliary unit includes a CRT, a camera, a speaker phone circuit, and a CPU for interfacing these elements with each other and with the communications network to permit the transmission and reception of voice, video and computer graphics information.
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申请公布号 |
US4893326(A) |
申请公布日期 |
1990.01.09 |
申请号 |
US19870046248 |
申请日期 |
1987.05.04 |
申请人 |
VIDEO TELECOM CORP. |
发明人 |
DURAN, JOE W.;KENOYER, MICHAEL L.;COOPER, JR., EDWARD H.;MAENG, JOONYOUL |
分类号 |
H04M3/56;H04N7/15 |
主分类号 |
H04M3/56 |
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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