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Portable information terminal

  • US 20020198652A1
  • Filed: 06/19/2002
  • Published: 12/26/2002
  • Est. Priority Date: 06/26/2001
  • Status: Abandoned Application
First Claim
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1. A portable information terminal comprising:

  • a primary terminal having a memory member for storing application programs and data, and a communication member for transmitting and receiving the application program and the data; and

    a secondary terminal having a communication member for transmitting and receiving the application program and the data to and from said communication member of said primary terminal, a memory member for storing the application programs and the data transmitted to and received from said primary terminal, and a control member for controlling operation of the communication member and the memory member of the secondary terminal, wherein said communication member of said secondary terminal and said communication member of said primary terminal are communicated under control of said control member for transmission of the application programs and data retained in said memory member of said primary terminal to said secondary terminal, and then the transmitted application programs and data are stored in said memory member of the secondary terminal to form functions installed on the secondary terminal, and wherein said communication member of said secondary terminal and said communication member of said primary terminal are communicated under control of said control member for transmission of the data accumulated on said secondary terminal as a result of execution of the application program installed on the secondary terminal, to said primary terminal, and then the transmitted data is stored in said memory member of the primary terminal.

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