Resources Contact Us Home
Multifunction-type vibration actuator and portable communication equipment

Image Number 9 for United States Patent #7529381.

A multifunction vibration actuator is disclosed, which includes a housing (1) integrally formed with a first house part (1a) with an elliptic wall (10), a second house part (1b) having a cylindrical wall (11) with a diameter corresponding to the first house part (1a) at the center of the ellipse, and both bottom walls (1c) and (1d) of the first housing part (1a). The actuator also includes an elliptic diaphragm (3) with an annular voice coil (3) installed on the inner surface thereof, a circular magnetic circuit part (4), and a disk type suspension (5). The elliptic diaphragm (3) is tightly installed in the wall of the first house part (1a), and the circular magnetic circuit part (4) is installed in the cylinder of the second house part (1b) with the suspension (5).

  Recently Added Patents
Automated tuning in a virtual machine computing environment
Viruses lacking epithelial cell receptor entry
Method and apparatus for focusing electrical stimulation in the brain during electro-convulsive therapy
Architectural panel with bamboo rings heavy density embossed surface
Process for making thermoplastic polymer pellets
Accessory sleeve
  Randomly Featured Patents
Bag forming machines of the top stacking type with stack clamp
Bellows type incentive spirometer
Semiconductor memory device for reducing write recovery time
Tray destacker
Fixing apparatus and image forming apparatus
Use of balhimycin as production promoter in animals, and production promoter compositions
Dicing die-bonding film
Methods for harvesting adipose tissue containing autologous microvascular endothelial cells
Apparatus and methods for cooling slot step elimination