Resources Contact Us Home
Magnetic data recording/reproducing device with voice coil motor having center yoke back yoke with bent portions and permanent magnet arranged to generate magnetic fields

Image Number 4 for United States Patent #5822157.

In a magnetic data recording/reproducing device comprising a voice coil motor for use in driving a carriage assembly having a magnetic head for recording and reproducing data on and from a disk-shaped magnetic recording medium, the voice coil motor comprises a pair of voice coils integrally arranged with the carriage assembly on both sides thereof and a pair of magnetic circuit devices for use in generating magnetic fields which intersect over electric currents flowing through the pair of voice coils. Each of the magnetic circuit devices comprises a center yoke passing through the voice coil and a back yoke having a main surface extending in parallel with the center yoke at a certain distance and being opposed to the center yoke. The back yoke has bent portions each of which is bent at a generally right angle. The bent portions are magnetically connected to the corresponding ends of the center yoke. A permanent magnet is fixed to the main surface of the back yoke.

  Recently Added Patents
Method and system for physical verification using network segment current
Method for repairing or replacing damaged tissue
Light-emitting device with a spacer at bottom surface
Location estimation of wireless terminals through pattern matching of deduced signal strengths
Irreversible thermochromic ink compositions
Cosmetic/dermatological compositions comprising naphthoic acid compounds and polyurethane polymers
Method of manufacturing touch panel
  Randomly Featured Patents
Spectrally efficient photodiode for backside illuminated sensor
Chandelier center column
Printed vulcanized fibre-based product and process for making the same
Release agent and process performable therewith for the production of polyurethane foam
Hygienic toothbrush comprising a container for dentifrice substances
Flexible connection and release device and method
Methods and apparatus for decontaminating enclosed spaces
Upconversion laser material
Promoting customer loyalty
Combined article selector and coder