Interchangeable cartridge data storage system for devices perfor

Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition

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711 2, 711 5, 395833, 360133, 360135, 360 9701, 369 15, 369231, 463 94, 463 45, 396211, 396321, 348233, G06K 700, G06F 1206, G11B 2300

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058095209

ABSTRACT:
A system for exchanging digital data among a plurality of hand-held computer devices. Digital signals are written by a first hand-held device to a mini-cartridge that mini-cartridge is inter-operable among a class of hand-held devices, each of which is equipped with a mini-disk drive. A common digital data format is employed to further facilitate exchange of data between devices.

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