A print generating device for hiddenly embedding first information in an image to acquire an information-attached image and generating a print on which the information-attached image is recorded. The print generating device includes an information attaching unit for attaching second information, which...http://www.google.de/patents/US20040169892?utm_source=gb-gplus-sharePatent US20040169892 - Device and method for generating a print, device and method for detecting information, and program for causing a computer to execute the information detecting method