发明名称 |
VIDEO TELEPHONY SYSTEM WITH HOLD PROGRAM |
摘要 |
A private video telephony system (12) or individual telephone set (14) in which a predetermined video program is transmitted over the telephonic connection to another telephone set (22) to which the first telephone set (14) is connected over the telephone lines (20) when the first telephone set (14) is placed in hold mode.
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申请公布号 |
WO9721307(A1) |
申请公布日期 |
1997.06.12 |
申请号 |
WO1996US20772 |
申请日期 |
1996.12.05 |
申请人 |
SONY CORPORATION;SONY ELECTRONICS INC. |
发明人 |
READ, CHRISTOPHER, J.;BESSEL, DAVID |
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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