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:
Apr. 03, 2012
Filed:
Sep. 25, 2009
Petrus Antonius Verbeek, Taipei, TW;
Jean Philippe Van Damme, Taipei, TW;
Mohamad-hussein El-husseini, Taipei, TW;
Stefan Geusens, Taipei, TW;
Petrus Antonius Verbeek, Taipei, TW;
Jean Philippe van Damme, Taipei, TW;
Mohamad-Hussein El-Husseini, Taipei, TW;
Stefan Geusens, Taipei, TW;
Lite-On It Corporation, Taipei, TW;
Abstract
A method of determining a disk type of an optical disk is provided to comprise steps of: using a first light path for forming an incident beam; moving an objective lens system corresponding to the first light path from a start position towards the optical disk; receiving a sensor output signal during the movement of the objective lens system, wherein the sensor output signal includes a central aperture signal; determining the disk type of the optical disk according to the central aperture signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile