| 摘要 |
A linear vibrator of the present invention comprises: a base and a case coupled together; a first transformation member, both ends of which are coupled to the base, and which returns to the original state thereof when heated; a second transformation member, both ends of which are coupled to one surface of the case facing the base, and which returns to the original state thereof when heated; and a weight, one side of which is coupled to the center of the first transformation member and the other side of which is coupled to the center of the second transformation member, and which vibrates between the base and one surface of the case. |
