Abstract: An image transmission device, which is connected to such external devices as a facsimile, etc., via a public line and a computer network and can be operated in accordance with a request for image data transmission from the external device, includes a scanning section for scanning a document image and generating image data, a fax sending/receiving section for sending the image data to the external device by the request of the external device, a specific document judging section for judging whether or not the image data generated in the scanning section is that of a specific document, and a control section for controlling transmission of the image data by the fax sending/receiving section according to a result of judgment by the specific document judging section, thereby preventing the forgery of a specific document that is enabled by obtaining the image data of such specific documents as paper money, valuable securities, etc.

Abstract: An image transmission device, which is connected to such external devices as a facsimile, etc., via a public line and a computer network and can be operated in accordance with a request for image data transmission from the external device, includes a scanning section for scanning a document image and generating image data, a fax sending/receiving section for sending the image data to the external device by the request of the external device, a specific document judging section for judging whether or not the image data generated in the scanning section is that of a specific document, and a control section for controlling transmission of the image data by the fax sending/receiving section according to a result of judgment by the specific document judging section, thereby preventing the forgery of a specific document that is enabled by obtaining the image data of such specific documents as paper money, valuable securities, etc.