发明名称 Methods and apparatus for interactive communications
摘要 A method of communication, and apparatus for communication, in which a user is provided with a set of recordings, a device for reproducing the recordings, and a map comprising indicia correlating the recordings so that the recordings from the set may be reproduced in a sequence determined by the user.
申请公布号 US3942268(A) 申请公布日期 1976.03.09
申请号 US19720294487 申请日期 1972.10.02
申请人 POLAROID CORPORATION 发明人 WILSON, STEWART W.
分类号 G09B5/06;G09B7/04;(IPC1-7):G09B5/06 主分类号 G09B5/06
代理机构 代理人
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