Patent ID: 11900975
Assignee: NHK SPRING CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The head driving device of claim 9, further comprising:
a third head supporting portion provided between the first base portion and the second base portion and supporting the head member;
a fifth beam extending from the first base portion to the third head supporting portion;
a fifth base side hinge portion connecting a base portion of the fifth beam and the first base portion;
a fifth head side hinge portion connecting a distal end of the fifth beam to the third head supporting portion;
a sixth beam provided on an opposite side of the fifth beam across the intervening third head supporting portion, and extending from the second base portion to the third head supporting portion;
a sixth base side hinge portion connecting a base portion of the sixth beam to the second base portion;
a sixth head side hinge portion connecting a distal end of the sixth beam to the third head supporting portion;
a fifth piezoelectric unit provided between the first base portion and the base portion of the fifth beam, and displacing the distal end of the fifth beam by deforming in a state where voltage is applied; and
a sixth piezoelectric unit provided between the second base portion and the base portion of the sixth beam, and displacing the distal end of the sixth beam by deforming in a state where voltage is applied.