| 摘要 |
A removable card is adapted for insertion into a corresponding receptacle of a host device, and includes a processor for running at least one application. An agent program is downloadable from the removable card to the host device. The agent program runs on a processor of the host device and controls communication between the application running on the processor of the removable card and at least one application running on the processor of the host device. The host device may be, e.g., a digital television (DTV) receiver, and the application running on the processor of the removable card may be a processing operation, e.g., a decryption operation for a transport stream.
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