Patent ID: 7296059

Claim:
A data transmission device for transmitting image data via a network, comprising: a scanning device to scan a document to obtain image data; a reduced image generating portion to generate, from the image data obtained by said scanning device, a reduced image that is smaller in storage size and has a smaller display size than said image data when displayed as output image; a link forming portion to link said reduced image to said image data by providing information indicating a location of said image data; a character recognition portion to recognize character codes from the image data obtained by said scanning device, a mail preparing portion to prepare an e-mail that contains said reduced image linked to said image data and a character code data corresponding to character codes recognized from said image data; a mail transmitting portion to transmit the e-mail to a specified destination and a volume setting portion to set a volume of said reduced image contained in said e-mail according to an equipment type of said destination; wherein the scanning device comprises a memory to store the image data and the reduced image prior to transmitting the e-mail containing the reduced image.