Vibration device, sound generator, speaker system, and electronic device

摘要

The vibration device includes a vibration body, an exciter, and a load member. The exciter causes the vibration body to vibrate. The load member is attached to a part of the vibration body. The load member is not contacted to the exciter. The load member is configured to reduce an amplitude of the part of the vibration body where the load member is attached.

主权项

1. A vibration device comprising:
a vibration body including a film and a resin layer; an exciter that is a piezoelectric vibration element disposed on a first surface of the film, the exciter causing the vibration body to vibrate, the exciter and the first surface of the film being covered with the resin layer; and a load member attached to a part of the vibration body and spaced apart from the exciter, and configured to reduce amplitude of the part of the vibration body where the load member is attached.