Sony Corporation

Yuya Ishikawa

Shingo Aso

Yuto Hosogaya

A storage device of the disclosure includes: a storage section that stores data; a communication section that performs wireless communication with one or a plurality of electronic apparatuses; an interface section that performs exchange of the data with a host apparatus; and a control section that determines a distance to each of the electronic apparatuses through the wireless communication, and controls access to the storage section by the host apparatus, on the basis of the distance and whether the host apparatus is accessing the storage section.

Storage device, reader writer, access control system, and access control method

A control device includes a control unit that performs a writing control of supplied host data, according to a data writing request from a host apparatus, with respect to a non-volatile memory where multi-value storage with 2 bits or more is performed in one memory cell, having a lower level page and an upper level page for at least the multi-value storage as a physical page in which a physical address is set, and where data writing is performed using each physical page in an order of physical addresses, and that causes the data writing to be performed until the physical page immediately before the lower level page, such that the data writing according to a next data writing request is started from the lower level page.

Growing community of inventors

Tokyo, Japan

Yuya Ishikawa