Vibration driver with three modes of vibration

Application Number: 00108673
Application Date: 2000.04.13
Publication Number: 1270487
Publication Date: 2000.10.18
Priority Information: 2000/4/6 JP 104606/00; 1999/4/13 JP 105974/99; 1999/8/31 JP 244351/99
International: H04Q7/32
Applicant(s) Name: Tokin Corp.
Inventor(s) Name: Teshima Makoto;Uchida Koji;Suzuki Hiroshi
Patent Agency Code: 72001
Patent Agent: wang zhongzhong
Abstract In a vibration actuator using a magnetic circuit device(14), a supporting arrangement(28) 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.