Address mapping logic for transferring data between a peripheral device of a base function expander unit and a palmtop computer as if the peripheral was a peripheral of the computer
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United States of America Patent
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Mar 5, 1996
Issued Date -
N/A
app pub date -
Jun 24, 1993
filing date -
Nov 1, 1991
priority date (Note) -
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Abstract
A portable information storage and transfer device for use with integrated circuit (IC) memory card-based palmtop computers obviates many operations traditionally requiring a desktop computer. An external floppy disk drive allows large amount of data and software programs to be made available to the IC memory card-based computer on floppy disks. In addition, two memory card slots are provided to allow reading and writing IC memory card under either the proprietary format of the palmtop computer or an industry standard format, such as Personal Computer Memory Card International Association (PCMIA). Data interchange is thus between media written under disparate operating systems, file structures and basic input/output structures.
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