Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Radio frequency power delivery system
Nozzle
Method for production of a thermoelectric apparatus
Tint block image generation program and tint block image generation device
Digital rights management for media streams
Bitter taste receptors
Superagonistic anti-CD28 antibodies
  Randomly Featured Patents
Mask for correcting optical proximity effect
Breast implant fill device
Method of producing a high strength steel having uniform elongation
Cryptographic key management and validation system
Parent unit for babyphone
Shaping and positioning arrangement for furniture covers
Loop antenna for security systems
Trunk mounted fuel tank assembly
Patching ROM code
Antimicrobial peptides