Patent ID: 7039753
Filing Date: 2006-05-02
Classification: G06F,Y10S

Abstract:
1. A memory device, comprising: a recording medium in which data can be written into each memory cell only once, said recording medium being divided into a plurality of blocks such that a given one of the plurality of blocks corresponds to specific one of a plurality of logical addresses, at least one of the plurality of blocks including a data area and a further area, said further area including a first area in which a data use status flag is recorded, the data use status flag indicating whether data has been recorded in the data area of that block, and including a second area in which a block status flag is recorded, the block status flag indicating whether the data recorded in the data area of that block has been deleted, at least one of the plurality of blocks being divided into a plurality of pages, each one of the plurality of pages being capable of storing a predetermined volume of data, at least one of the plurality of pages includes an intra-page data recording area where management data is recorded and an additional data recording area where additional data is recorded, the additional data recording area including a logical address area which stores the logical address that corresponds to the block that includes that page, the logical address that corresponds to the block that includes the page being pre-recorded in the logical address area prior to recording the management data.