| 摘要 |
<p>A communications system consisting of a server system that stores software applications, a broadcast system that broadcasts the software applications, and a multiplicity of portable clients that each include a receiver having a tuner that is selectively tunable to receive a selected one of the software applications broadcasted by the broadcast system. Each of the portable data communications devices includes a receiver that has a tuner that is selectively tunable to receive a selected one of a plurality of software applications broadcasted. In one embodiment, the broadcast system broadcasts the software applications over different channels each occupying a different respective frequency band, and the tuner is selectively tunable to any selected one of the plurality of different frequency bands in order to receive the selected one of the broadcasted software applications.</p> |
