Portable programmable information device and external programmin

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Details

368 1, 368 10, 368327, G06F 1520

Patent

active

045340129

ABSTRACT:
A small-sized portable information system is provided including a small-sized portable information device and an external station. Both the external station and the portable information device are provided with a central processing unit, a memory device, a display device, an input device and a power supply. The portable information device and the external station can be coupled together by an electrical or optical interface to permit transfer of programs from the external station to the portable information device and exchange of data therebetween.

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