“Internet of things” can be realized joining “a person” and “things” and “information” together by putting Image To Code or Screen Code together with a cloud server and a Smartphone. The IoT cloud service provides a cloud server for sales promotion, introduction support for creation of new contents and the print of the code and the data operation.
The screen code which is “invisible” and “cannot be copied” is applied widely from the forged prevention of paper money and the passport to a security gate for its safety and confidentiality in a various security field. It is the most advanced security technology that is recognized and adopted by the overseas government and government agency.
“Speakun” is the mysterious voice pen which makes a book begins to speak. It is the next-generation voice pen which has been developed making full use of an advanced technology of Japan and China, and a code is read and a related voice is produced when It touches printed matter applying technology of Screen Code, “invisible code”.