Patent ID: 7084837

Claim:
A digital image output apparatus, comprising: a digital image decoding device including: a first portion receiving encoded digital image data, a second portion connected to said first portion and decoding said encoded digital image data to output decoded digital image data, and a third portion connected to said first portion and generating image data update information which provides information about whether digital image data has been updated in encoding, based on said encoded digital image data to output said image data update information; a digital image data transfer device connected to said digital image decoding device and identifying an updated portion of said decoded digital image data outputted from said digital image decoding device based on said image data update information outputted from said digital image decoding device, said updated portion having been updated in encoding, thereby to transfer only said updated portion of said decoded digital image data as a result of said identification; and a digital image data storage device connected to said digital image data transfer device and storing said decoded digital image data transferred and outputted from said digital image data transfer device.