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:
Oct. 20, 2009
Filed:
Jul. 28, 2004
Antonius Adriaan Maria Staring, Eindhoven, NL;
Boris Skoric, Eindhoven, NL;
Menno Anne Treffers, Eindhoven, NL;
Maurice Jerome Justin Jean-baptiste Maes, Eindhoven, NL;
Antonius Adriaan Maria Staring, Eindhoven, NL;
Boris Skoric, Eindhoven, NL;
Menno Anne Treffers, Eindhoven, NL;
Maurice Jerome Justin Jean-Baptiste Maes, Eindhoven, NL;
Koninklijke Phillips Electronics N.V., Eindhoven, NL;
Abstract
A record carrier, recording device, read-out device and method is provided which provides a flexible security level to protect user data during transmission over a communication bus, also when the data is recorded on a record carrier such as a recordable optical disc. In accordance with the method, management information comprising encryption indication information indicating that user data stored in an associated sector of a record carrier, such as a recordable optical disk, is to be encrypted by a read-out device before being transmitted over a communication bus.