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
Compositions, organisms, systems, and methods for expressing a gene product in plants using SCBV expression control sequences operable in monocots and dicots
Apparatus for restoring setting information of a board management controller from a backup memory before loading an OS when a system board is replaced
Control method and allocation structure for flash memory device
Oxide material, electrophotographic photoreceptor, process cartridge, and image forming device
Therapeutic vitamin D sun-protecting formulations and methods for their use
ZnO green luminescent material and its preparation
Vehicle, toy, and/or replicas thereof
  Randomly Featured Patents
Method and system for a set of network appliances which can be connected to provide enhanced collaboration, scalability, and reliability
Coupling members for pipeline assemblies
Fireman doll
Device having capacitor and its manufacture
Triphenylene based aromatic compounds and OLEDs utilizing the same
Method of fabricating a memory device with a multilayer insulating film
Methods for preparing yeast with improved biotin productivity using integrating plasmids encoding biotin synthase
Color adjustment method
High-throughput direct-write electron-beam exposure system and method
Lattice construction and connecting device therefor