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

Image Number 8 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
Semiconductor mounting device having multiple substrates connected via bumps
Toilet device
Electrical power connector system including power rail
Nursing scarf
Method to obtain absorption spectra from near-field infrared scattering using homodyne detection
PWM controlling circuit and LED driver circuit having the same
Thymidine kinase
  Randomly Featured Patents
Horseshoe-like hoof pad lining
Integrated corded system connector for a wireless communications device
Center lifting device
Cable latching system
Antibodies to oncostatin M receptor
Method of making and testing an integrated circuit
Secreted and transmembrane polypeptides and nucleic acids encoding the same
Underbeam axle lift assembly
Multiple article fastening device
Chopper apparatus for cane stalk harvester