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:
Dec. 30, 2013
Filed:
Jun. 12, 2008
Job Cornelis Oostveen, Haren, NL;
Willem Marie Julia Marcel Coene, Asten, NL;
Jan Harm Boer, Nuenen, NL;
Franciscus Lucas Antonius Johannes Kamperman, Geldrop, NL;
Aloysius Michael Josephus Maria Spruijt, Asten, NL;
Paulus Reinier Joannes Van Roosmalen, Eindhoven, NL;
Job Cornelis Oostveen, Haren, NL;
Willem Marie Julia Marcel Coene, Asten, NL;
Jan Harm Boer, Nuenen, NL;
Franciscus Lucas Antonius Johannes Kamperman, Geldrop, NL;
Aloysius Michael Josephus Maria Spruijt, Asten, NL;
Paulus Reinier Joannes Van Roosmalen, Eindhoven, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
An information system according to the invention comprises a record carrier and a playback apparatus. The record carrier has information marks along a track thereof and exhibits first variations caused by existence and nonexistence of the information marks along the track. The first variations represent an information signal recorded on said record carrier. The record carrier further exhibits second variations caused by variations associated with the information marks. The phase of the second variations is coupled to the phase of the first variations.