发明名称 |
Information broadcasting system |
摘要 |
The instant invention provides a system and method of broadcasting audio and visual information to a plurality of audio reproduction devices and visual display devices utilizing a plurality of control computers linked thereto by a communications network. The invention employs a plurality of pre-recorded digital audio files and corresponding visual representation thereof to allow a user to construct message sequences for broadcast with a minimum of system input. Furthermore, a user may specify a plurality of broadcast zones to broadcast audio and visual messages.
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申请公布号 |
US2003143944(A1) |
申请公布日期 |
2003.07.31 |
申请号 |
US20020066420 |
申请日期 |
2002.01.31 |
申请人 |
MARTIN HARDISON G.;TENCH KENNETH A.;SIMPSON ANTHONY W.;JOHNSON JOHN D. |
发明人 |
MARTIN HARDISON G.;TENCH KENNETH A.;SIMPSON ANTHONY W.;JOHNSON JOHN D. |
分类号 |
G09F27/00;H04H20/61;H04H60/07;(IPC1-7):H04H1/00 |
主分类号 |
G09F27/00 |
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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