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:
Jul. 27, 2010
Filed:
Aug. 28, 2003
Benno Tieke, Eindhoven, NL;
Jakob Gerrit Nijboer, Eindhoven, NL;
Hubert Cecile Francois Martens, Eindhoven, NL;
Benno Tieke, Eindhoven, NL;
Jakob Gerrit Nijboer, Eindhoven, NL;
Hubert Cecile Francois Martens, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A multilayer record carrier of a writable type has a first recording layer () having a first recording stack () of a first type and a second recording layer () having a second recording stack () of a second type. The first and second recording stacks have different writing parameters. Each recording layer has a pre-formed recording control pattern that is readable via a laser beam for indicating the track. At least one recording control pattern comprises a recording stack type indicator for indicating the writing parameters of the second recording stack. A recording device has a control unit () for adjusting recording parameters in the device in dependence of the recording stack type indicator retrieved from the recording control pattern.