EP 1092219 A1 20010418 - NONCIRCULAR-SHAPED COMPACT DISC HAVING POSITIONING MARKERS AND SLIDING-RESISTANCE
Title (en)
NONCIRCULAR-SHAPED COMPACT DISC HAVING POSITIONING MARKERS AND SLIDING-RESISTANCE
Title (de)
NICHTKREISFÖRMIGE COMPACTDISC MIT POSITIONIERUNGSMARKEN UND GLEITWIEDERSTAND
Title (fr)
DISQUE COMPACT DE FORME NON CIRCULAIRE POSSEDANT DES MARQUEURS DE POSITIONNEMENT ET RESISTANT AU GLISSEMENT
Publication
Application
Priority
- KR 9900607 W 19991008
- KR 19990000471 A 19990111
- KR 19990037182 A 19990902
Abstract (en)
[origin: WO0042605A1] A noncircular-shaped compact disc mountable in any computer compact disc drive is disclosed. The disc has two or more positioning marks and sliding-resistance means. The marks are formed on the positions, at which the exterior contour of the inside positioning depression of a disc conveying deck meets the long sides of the disc while the center of the disc is positioned at the center of the positioning depression. The sliding-resistance means is provided within the data-free area of the bottom surface of the disc, and is made of a sliding-resistance material having a large coefficient of friction. The means is adapted for preventing the disc from unexpectedly moving on the deck. The sliding-resistance means may have a longitudinal rectangular shape. The sliding-resistance means may have a circular shape. The noncircular-shaped compact disc having positioning markers and sliding-resistance may have a rectangular credit card shape. The noncircular-shaped compact disc having positioning markers and sliding-resistance may be any one of a CD-ROM capable of storing read-only data, a CD-R capable of recording data only once, and a CD-RW capable of reading, writing and erasing data many times.
IPC 1-7
IPC 8 full level
G11B 7/24 (2006.01); G11B 23/00 (2006.01); G11B 7/0033 (2006.01); G11B 17/04 (2006.01)
CPC (source: EP)
G11B 7/24 (2013.01); G11B 23/0014 (2013.01); G11B 7/0033 (2013.01); G11B 17/056 (2013.01)
Citation (search report)
See references of WO 0042605A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 0042605 A1 20000720; AU 6009499 A 20000801; EP 1092219 A1 20010418; JP 2002535796 A 20021022
DOCDB simple family (application)
KR 9900607 W 19991008; AU 6009499 A 19991008; EP 99973612 A 19991008; JP 2000594112 A 19991008