Patent ID: 6317225
Filing Date: 2001-11-13
Classification: H04N

Abstract:
A method of discontinuing scanning upon a determination that a reverse side of a document has been scanned, comprising the steps of:initiating scanning of and scanning a document in a scanner for scanning;determining whether an amount of black data corresponding to images borne by the document generated by scanning of the document is less than a predetermined minimum amount of black data;when said amount of black data corresponding to said images borne by the document is not less than said predetermined minimum amount of black data, continuing by initiating scanning of and scanning an next document for scanning when a plurality of documents are to be scanned;when said amount of black data corresponding to said images borne by the document is less than said predetermined minimum amount of black data, providing an indication to inform a user that scanning for the reverse side of the document has been completed;discontinuing any copying and an transmitting of the document when said indication is provided; anddiscontinuing scanning of any next and any followings document when a plurality of documents are to be scanned and when said indication is provided.