Patent ID: 8584932

Claim:
An information input/output device comprising: an optical reading unit for reading a dot pattern formed on a medium surface; a processing unit for analyzing the dot pattern from image data of the dot pattern read out by the optical reading unit and converting the dot pattern into a dot code that defines a code value and/or a coordinate value; a storage unit for storing content data and a link table that associates and registers the dot code and the content data; an output unit for reading the content data associated with the dot code that is converted by the processing unit from the storage unit and outputting the content data; and a control unit for controlling operation of the optical reading unit, the processing unit, and the output unit, wherein the link table stored in the storage unit associates and registers at least two pieces of content data and the dot code, the control unit instructs to refer to the link table using the dot code and continuously output the at least two pieces of content data, and the output unit continuously outputs the content data at least twice according to the instruction.