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.

Date of Patent:
Jan. 02, 2007

Filed:

Oct. 10, 2002
Applicants:

Cornelis Marinus Schep, Eindhoven, NL;

Aalbert Stek, Eindhoven, NL;

Constant Paul Marie Jozef Baggen, Eindhoven, NL;

Koen Vanhoof, Leuven, BE;

Tamotsu Yamagami, Kawasaki, JP;

Shoei Kobayashi, Shinagawa-Ku, JP;

Nobuyoshi Kobayashi, Shinagawa-Ku, JP;

Shinichiro Ilmura, Nerima-Ku, JP;

Inventors:

Cornelis Marinus Schep, Eindhoven, NL;

Aalbert Stek, Eindhoven, NL;

Constant Paul Marie Jozef Baggen, Eindhoven, NL;

Koen Vanhoof, Leuven, BE;

Tamotsu Yamagami, Kawasaki, JP;

Shoei Kobayashi, Shinagawa-Ku, JP;

Nobuyoshi Kobayashi, Shinagawa-Ku, JP;

Shinichiro Ilmura, Nerima-Ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A record carrier has a servo track () indicating an information track () intended for recording information blocks. The servo track () has a periodic variation of a physical parameter at a predetermined frequency and modulated parts for encoding position information at regular intervals. The modulated parts start with a bit sync element and are of a data type having a data bit element or of a word sync type having a word sync element. The bit sync element, word sync element and the data bit element being modulated according to a same predetermined type of modulation of the periodic variation. All distances between two adjacent of the elements constituting the modulated parts are unique.


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