Global Patent Index - EP 1776695 A1

EP 1776695 A1 20070425 - OPTICAL DISK AND READER THEREFOR

Title (en)

OPTICAL DISK AND READER THEREFOR

Title (de)

OPTISCHER DATENTRÄGER UND LESEVORRICHTUNG DAFÜR

Title (fr)

DISQUE OPTIQUE ET LECTEUR ASSOCIE

Publication

EP 1776695 A1 20070425 (EN)

Application

EP 05758625 A 20050706

Priority

  • GB 2005002667 W 20050706
  • GB 0416649 A 20040726
  • GB 0421239 A 20040923

Abstract (en)

[origin: WO2006010882A1] A readable disk and an element for a reader therefore encode information in the orientation of a pit element on the disk modulo p/4 with respect to a track on the disk providing an increased storage capacity. Storage capacity can be further increased by multiplexing with a number of further signals.

IPC 8 full level

G11B 7/13 (2006.01)

CPC (source: EP)

G11B 7/131 (2013.01); G11B 7/24088 (2013.01)

Citation (search report)

See references of WO 2006010882A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2006010882 A1 20060202; EP 1776695 A1 20070425; JP 2008507806 A 20080313; TW 200606878 A 20060216

DOCDB simple family (application)

GB 2005002667 W 20050706; EP 05758625 A 20050706; JP 2007523138 A 20050706; TW 94123605 A 20050712