发明名称 Satellite radio-based on-demand purchase system
摘要 A system for purchasing and downloading an audio file broadcasted through a satellite network to a predetermined storage device. The system includes a hub site containing a resident database of audio file content, transmission means, a satellite network for transmitting the audio files to subscribers, a portable satellite transceiver unit for receiving the satellite broadcasts, a purchase request function and signal for notifying the hub site of the subscriber's desire to purchase the broadcast audio file, and a storage device for receiving a download of the audio file from the hub site.
申请公布号 US2008249886(A1) 申请公布日期 2008.10.09
申请号 US20070732329 申请日期 2007.04.03
申请人 WOODARD WILLIAM A 发明人 WOODARD WILLIAM A.
分类号 H04B1/28 主分类号 H04B1/28
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