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

Image Number 5 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
Myoglobin blooming agents, films, packages and methods for packaging
Stereoscopic editing for video production, post-production and display adaptation
Solid-state image capture device and image capture apparatus
Method and system for modeling a common-language speech recognition, by a computer, under the influence of a plurality of dialects
Elastic wave device having a capacitive electrode on the piezoelectric substrate
Electronic currency, electronic wallet therefor and electronic payment systems employing them
Method for producing interferon alpha 5
  Randomly Featured Patents
Method and device for milking an animal
Electrodes and method of preparation thereof for use in electrochemical cells
Liquid state detecting sensor
Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit
Method of processing signals and apparatus for signal processing
Ink jet recording head and method of manufacturing the same
Method for locating and circumscribing text areas on a master which may contain text, graphics and/or image areas
Collapsible printer case
Localized cartilage defect therapy
Call transfer and simplex call capability in a residential system using wireless residential extension handsets