Patent ID: 8305463
Filing Date: 2012-11-06
Classification: G11B,H04N

Abstract:
1. A video data saving device comprising: a partition defining unit configured to segment a whole storage area of a storage medium constructed of a flash memory into a plurality of partitions of which capacities are equal to each other; a storing unit; and a writing unit configured to write, in the storage medium, an input image data with writing time information in a partition, in which no image data is written or an image data other than the input image data is written with oldest writing time information, among the plurality of the partitions in the storage medium, configured to write, in the storing unit, the writing time information, which includes a time when the input image data was written in the storage medium, and configured to write, in the storing unit, a piece of information specifying a location of the partition in the storage area of the storage medium in a way that associates these items of information with each other, wherein the writing unit writes the input image data with the writing time information in the partition in which no image data is written when there is at least one partition in which no image data is written in the plurality of partitions, and writes the input image data with the writing time information in the partition in which the image data other than the input image data is written with the oldest writing time information when there is no partition in which no image data is written in the plurality of partitions, and the storing unit is a volatile memory.