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发明名称
INTERACTIVE TELEVISION SYSTEM FOR PROVIDING FULL MOTION SYNCHED COMPATIBLE AUDIO/VISUAL DISPLAYS FROM TRANSMITTED TELEVISION SIGNALS
摘要
申请公布号
AU610887(B2)
申请公布日期
1991.05.30
申请号
AU19880016314
申请日期
1988.05.17
申请人
ACTV INC.
发明人
MICHAEL J. FREEMAN
分类号
H04N7/15;G09B5/12;G09B7/04;(IPC1-7):H04N5/265;H04N5/60;H04N5/91;H04N5/93;H04N7/18
主分类号
H04N7/15
代理机构
代理人
主权项
地址
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