Resources Contact Us Home

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
Bessel beam plane illumination microscope
Aware manufacturing of integrated circuits
Near-field optical disk having surface plasmon amplification by stimulated emission of radiation
Authentication method
Soybean cultivar CL0911610
Concentrating photovoltaic system module with actuator control
Preparation process of transition metal boride and uses thereof
  Randomly Featured Patents
Filter calibration
System and method for searching, formulating, distributing and monitoring usage of predefined internet search queries
Inflammatory bowel disease preventive and curative agent containing zinc L-carnosine salt as active ingredient
Peripheral port with volatile and non-volatile configuration
Package for cigarettes or the like and process for production of same
Method of effecting flocculation
Method of removing sulfite from sugarbeets
Illumination apparatus, and image capturing apparatus and projector apparatus using this illumination apparatus
Automobile fuel supply control
Method, apparatus and program storage device for verifying existence of a redundant fibre channel path