Koninklijke Philips Corporation N.v.

Shinichiro Ilmura

Shoei Kobayashi

Tamotsu Yamagami

Aalbert Stek

Cornelis Marinus Schep

Constant Paul Marie Jozef Baggen

Nobuyoshi Kobayashi

Koen Vanhoof

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.

Record carrier and apparatus for scanning the record carrier

Growing community of inventors

Nerima-ku, Japan

Shinichiro Ilmura