Patent ID: 8977802
Filing Date: 2015-03-10
Classification: G06F,H04N

Abstract:
1. An access device that accesses an information recording device comprising a non-volatile memory for storing data, the access device comprising: a setting unit that manages a data storage area in the information recording device by dividing the data storage area in block units having a predetermined block size, and sets a first storage block for storing data of a first file and a second storage block for storing data of a second file that manages the first file; and a storage address determination processing unit that determines a first address that is an address for recording the first file data based on an address of the first storage block determined by the setting unit, determines a second address that is an address for recording the second file data based on an address of the second storage block determined by the setting unit, and in a case when the second file data recorded in the second storage block is to be updated or added, determines the second address such that data corresponding to an update portion or an addition portion of the second file data is recorded to an unused area in the second storage block, and an information storage module access unit that instructs the information recording device to record the first file data in accordance to the first address and instructs the information recording device to record the second file data in accordance with the second address.