Vibration actuator having three vibration modes

Details Vibration actuator having three vibration modes Vibration actuator having three vibration modes

H - Electricity

04

R

H04R 9/02 (2006.01) B06B 1/04 (2006.01) H04Q 7/00 (2006.01) H04R 9/10 (2006.01)

Patent

CA 2305842

In a vibration actuator using a magnetic circuit device (14), a supporting arrangement (23) elastically supports the magnetic circuit device. A coil (17) is inserted into a magnetic gap (15) of the magnetic circuit device and is supported by a vibration plate (19). The vibration actuator has a first operation mode in which the magnetic circuit device mainly vibrates to transmit vibration through the vibration plate to the outside, a second vibration mode in which the coil mainly vibrates to produce a buzzer sound through the vibration plate, and a third vibration mode in which the magnetic circuit device and the coil mainly vibrate to produce a sound corresponding to a speech through the vibration plate.

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