| 摘要 |
Disclosed is an electronic stamp. According to one embodiment, the electronic stamp comprises: a sound wave generating unit for generating a reference sound wave; a control unit for modulating to convert the reference sound wave into a transmission sound wave, by using uniquely attributed identification information; an output unit for outputting the transmission sound wave; and a contact unit, which includes at least one conductive tip, for generating at least one touch event by being brought into contact with a touch interface of a user terminal. |
