Patent ID: 6401165
Filing Date: 2002-06-04
Classification: G06F,H04N

Abstract:
A memory device comprising:a memory medium comprising a plurality of blocks, said memory medium being erasable on a block-by-block basis, and each of said plurality of blocks having a respective specified memory capacity, control means for assigning at least one block of said plurality of blocks as a user reloadable block, and assigning all other blocks of said plurality of blocks as a plurality of data-input blocks, and and when one or more files stored in one of said plurality of data-input blocks becomes an unnecessary file, said control means (a) shifts necessary files from said one of said plurality of data-input blocks into said user reloadable block, then (b) erases all files stored in said one of said plurality of data-input blocks, and (c) assigns the erased block as a new reloadable block and said user reloadable block as a new data-input block.