| 摘要 |
Disclosed are a solid conduction piezoelectric speaker and a helmet having the same. According to the present invention, the solid conduction piezoelectric speaker comprises: a piezoelectric vibration module to generate vibration according to an inputted electric signal; a housing which accommodates the piezoelectric vibration module therein and has a hole on any one side thereof; a vibrator wherein a head portion thereof is disposed on the outside of the hole, and a post portion thereof penetrates the hole from the head portion thereof, is extended into the housing, and comes in contact with the piezoelectric vibration module to transfer vibration; and a first elastic member which is disposed in the housing and elastically presses the vibrator towards the piezoelectric vibration module to maintain the vibrator in contact with the piezoelectric vibration module. According to an aspect of the present invention, the helmet having a bone conduction speaker comprises: a helmet main body to protect the head of a user from an external impact; and a solid conduction piezoelectric speaker installed on at least one side of the helmet main body or a component of the helmet main body to come in contact with the head or the face of the user to transfer vibration according to an electric signal to the skull of the user. |
