Publication confirming method, publication information acquisition apparatus, publication information providing apparatus and database

A publication confirming method for executing:

• a process of acquiring partial information appearing in a part of a publication to be checked by a publication information acquisition apparatus used by a user of a service, converting said partial information into electronic information and transmitting said electronic information to a publication information providing apparatus which uses a database storing at least information appearing in publications;
• a process of decoding said electronic information by a predetermined processing method with said publication information providing apparatus, acquiring key information from said decoded electronic information, specifying said publication to be checked by searching information stored in said database, acquiring a name of said publication to be checked, a date of issue of said publication to be checked or both as confirmation information and transmitting said confirmation information to said publication information acquisition apparatus;
• and
• a process of outputting said confirmation information from said publication information acquisition apparatus, wherein said publication information acquisition apparatus is capable of both recording said confirmation information on a sheet of paper and displaying said confirmation information on a display section as output modes and outputs said confirmation information in an output mode selected by said user, and wherein in case where recording in equal magnification on a sheet of paper of a predetermined size is not possible at a time of recording said confirmation information or said confirmation information and information appearing in said publication to be checked on said sheet of paper, said publication information acquisition apparatus adequately selects a scale-down process of scaling down said confirmation information or said confirmation information and information appearing in said publication to be checked and recording said scaled-down information on said sheet of paper or a double-side outputting process of continuously recording said confirmation information or said confirmation information and information appearing in said publication to be checked on top and back sides of said sheet of paper.