Resources Contact Us Home
Optical driving device including a holder with a top face having a closed structure

Image Number 8 for United States Patent #8042130.

The optical driving device according to the present invention includes a holder for holding a plurality of optical each of which focuses on an optical disk a light beam outputted from a light source, focusing coils, and tracking coils; a plurality of elastic support members for supporting the holder so as to be movable in an approximately radial direction of the optical disk and in an approximately perpendicular direction to the optical disk; and a base for holding inner yokes placed inside the holder, and magnets that generate magnetic fields with respect to the focusing coils and to the tracking coils; as for the optical driving device, the top face of the holder has a closed structure over the inner yokes.

  Recently Added Patents
Pattern forming method using printing device and method of manufacturing liquid crystal display device using the same
Food-grade flour from dry fractionated corn germ and collet composition and method for producing same
Vehicle grille
Methods and apparatus to identify exposure to 3D media presentations
Calcium carbonate granulation
Compositions and methods for activating innate and allergic immunity
Host route convergence based on sequence values
  Randomly Featured Patents
Power device for pallet trucks
Heat exchanger
Method and system for utilization of regenerative braking electrical energy for operating auxiliary system in an off-highway vehicle
Wire shaving apparatus
Suspension of powdered carbonaceous adsorbent in a hydrocarbon solvent and its use in waste water treatment
Pest repellent compositions and articles and a method for preparing the same
Position control device for an optical reproduction system in an optical type disc reproduction device
Apparatus for producing frozen confection foods
Derivatives of 1,2-dihydro-7-hydroxyquinolines containing fused rings