Host device, memory card, memory capacity changing method, memory capacity changing program and memory capacity charge giving/receiving method

A host device exchanging information with a memory card, the host device including: a charge management module configured to receive payment of a charge corresponding to an increased amount of a usable area if a capacity of the usable area of the memory card for saving user data is increased, and pa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAISE TETSUYA, OKABAYASHI HIROKO, YAZAWA AKIO
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A host device exchanging information with a memory card, the host device including: a charge management module configured to receive payment of a charge corresponding to an increased amount of a usable area if a capacity of the usable area of the memory card for saving user data is increased, and pay out a charge corresponding to the reduced amount of the usable area if the capacity of the usable area is reduced; and a transmission module configured to transmit an area changing command to instruct an increase or a reduction of the usable area in accordance with the charge to the memory card.