Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
MOS transistor having combined-source structure with low power consumption and method for fabricating the same
Multipoint photonic doppler velocimetry using optical lens elements
Controller for soldering iron
Method for releasing a locking in mobile terminal and mobile terminal using the same
Summarization of short comments
Transporting business intelligence objects between business intelligence systems
Systems and methods for electronic verification of vehicle insurance coverage
  Randomly Featured Patents
Circuit for driving fluorescent lamp and light-emitting diode
Substrate isolation for analog/digital IC chips
Bending method and bending device
Frame container for pressure vessels
Over-sampling type clock recovery circuit with power consumption reduced
Compacted graphite cast irons in the iron-carbon-aluminum system
Weight distributing hitch assembly
Meter riser
Apparatus for optional straight or directional drilling underground formations
Portion of a pet toy