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. 06, 2004
Filed:
Dec. 18, 2001
John Alan Hague, Indianapolis, IN (US);
Thomson Licensing S.A., Boulogne, FR;
Abstract
The invention concerns a method ( ) for playing data in a digital video disc (DVD) apparatus in which the data was recorded onto a non-DVD optical storage medium in a DVD format. The invention includes the steps of: determining ( ) the physical type of the non-DVD optical storage medium; reading ( ) a file structure contained on the non-DVD optical disc medium; and launching ( ) a DVD video playback driver if the file structure on the non-DVD optical storage medium is a DVD file structure. In one arrangement, the physical type of the non-DVD optical storage medium can be determined by checking a focal length in which the focal length is defined by a laser and a reflective surface of the non-DVD optical storage medium. The invention also concerns a DVD apparatus ( ) capable of playing data recorded on a non-DVD optical storage medium in a DVD format.