| 摘要 |
The present invention provides a digital information interchanging device in which the data interchange is controlled mainly by a portable digital information device, such as a PDA, for getting information from another information processing device, such as a notebook computer. The larger size second device includes a format transformation interface, a communication interface and a signal processing interface. The smaller size first device includes signal transceiving interface and communication interface, which can transmit a command to start up the first device, control the information transmission from the first device and display the information on the second device. As a result, the portable first device can utilize the powerful function of the second device in a dynamic or free moving way.
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