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.
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
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