Patent ID: 7791768

Claim:
An image scanning device comprising: means for scanning a document and generating an image signal; means for storing documents as different document types in a document folder with a timestamp or in a temporary document folder without a timestamp; means for requesting a time authentication which includes means for controlling to store the scanned document generated by the means for scanning in the means for storing documents; and wherein, when a document type is selected and storing of a document in the document folder of the means for storing documents is instructed, the means for controlling instructs the means for scanning to scan a document, acquires a timestamp, and then stores the scanned document and the timestamp in the document folder of the means for storing documents which is used for the selected document type; when a document type is selected and storing of a document in the temporary document folder of the means for storing documents is instructed, the means for controlling stores the scanned document generated by the means for scanning the document and generating the image signal in the temporary document folder of the means for storing documents which is used for the selected document type; and when a document type in the temporary document folder of the means for storing documents is selected and assigning the timestamp is instructed by selecting the scanned document stored in the temporary document folder which is used for such a document type, the means for controlling acquires the timestamp of the selected scanned document, and then stores the selected scanned document and the timestamp in the document folder which is used for the selected document type.