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Modular mobile communication system

  • US 6,480,724 B1
  • Filed: 04/06/2001
  • Issued: 11/12/2002
  • Est. Priority Date: 10/03/1996
  • Status: Expired due to Term
First Claim
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1. A system for communication and data processing having a portable host device and a control unit in the host device for controlling the functions of the host device comprising:

  • a cellular telephone unit in the host device connected to said control unit;

    at least one connector socket in the host device for connecting an expansion card to said control unit, said socket adapted to receive the expansion card, wherein, in the received position, a surface of the expansion card cooperates with a surface of the host device to define an exterior surface for the system;

    at least one expansion card for adding an additional function in the function selection of the host device, the expansion card having elements required to realize said additional function;

    a control program in the expansion card required to control said elements;

    said control program being adapted for execution at least via the user interface of the host device.

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