| 摘要 |
The present invention includes a system for enabling a user to download information displayed on a display screen of a television receiver. The system includes a device coupled to said television receiver to access information to be displayed on the display screen and a portable data device adapted to download the information from the device. The device includes a set-top box and the portable data device may be a smart card which may include an integrated circuit (IC) chip having information stored therein. The set-top box includes a back-channel for outputting information and the portable data device is coupled to the device by way of a smart card reader. The portable data device includes a display, a processor, a memory, navigation buttons and a remind button. The portable data device may communicate to the device using the ISO7816 Protocol, USB Protocol, a Serial Parallel Interface, Sony Memory Stick Protocol, etc.
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