Patent ID: 7600085
Filing Date: 2009-10-06
Classification: G11C,H04N

Abstract:
1. An apparatus, comprising: a receiver configured to receive content data to be stored in a first storage medium; a comparator configured to compare a remaining storable capacity of said first storage medium with an amount of the received content data; a determining unit configured to determine whether first data already stored in said first storage medium is re-recordable by determining whether a copy of the first data is retrievable from a second storage medium and determine whether a recording source identifier identifying the second storage medium is provided as additional information with the first data; and a controller configured to control an erase process for the first data according to the comparison made by said comparator and the determination made by said determining unit, and allow the erase process to erase the first data when the first data contains the recording source identifier, and preventing the erase process from erasing the first data when the first data does not contain the recording source identifier.