The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 1996
Filed:
Feb. 23, 1995
Kenji Hirose, Narashino, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An information recording-reproducing apparatus for optically effecting the recording and/or reproduction of information on a disk-like recording medium having a plurality of tracks thereon includes an optical head for applying a light beam for effecting the recording and/or reproduction of the information to a desired track on the medium, a guide for guiding the optical head radially of the medium to have access to the desired track on the medium, and a yoke and a permanent magnet fixed to the apparatus and a first linear motor coil for the rough driving and a second linear motor coil for the precise driving provided on the optical head to generate a driving force for moving the optical head along the guide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile