Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Vibrator










Image Number 6 for United States Patent #7692346.

A compact enclosed type vibrator capable of ensuring a large amount of vibration has a casing (5), a coil (10) and a magnetic circuit unit (11) provided in the casing, and a suspension (3) supporting the magnetic circuit unit. The magnetic circuit unit has an extent in the radial direction and has an outer peripheral surface set adjacent to the inner peripheral surface of the casing across an annular gap. At least one of the casing and the magnetic circuit unit is provided with a vent passage (13a and 13b) that additionally communicates between a first space (17) and a second space (18) formed at the upper and lower sides of the magnetic circuit unit.








 
 
  Recently Added Patents
Frequency offset estimation apparatus and method of OFDM system
Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof
Cathode material for lithium ion secondary battery and lithium ion secondary battery using it
Three-dimensional filter
Method for increasing expression of active tumor necrosis factor receptor family member-Ig fusion proteins
Scanning projection apparatus with tangential compensation
Data-conditioned encryption method
  Randomly Featured Patents
Hard facing casting surfaces with wear-resistant sheets
Treatment of waste water containing organic sulphur compounds
Retainer arrangement for a replaceable lamp bulb assembly
Container for perfumes and cosmetic products
Electrostatic powder coating apparatus
Methods and reagents for inhibiting furin endoprotease
Method and device for stabilizing an on-board electrical system of a vehicle electrical system
Method and apparatus for performing beam searching in a radio communication system
Multiprocessor system having global data replication
Data communication protocol including negotiation and command compounding