Patent Number: 7,085,212

Title: Disk cartridge and disk drive apparatus

Abstract: A disk cartridge and a disk drive apparatus. The disk cartridge has a reflector to identify the type of disk, and the disk drive apparatus has an optical emitter/detector to irradiate light on the reflector and detect light reflected from the reflector to identify the type of disk. A large number of identification marks can be provided by changing the angle of reflection and the amount of light reflected from the reflector. Accordingly, disks of various capacities, products and formats can be individually identified.

Inventors: Choi; Han-kook (Suwon, KR), Lee; Yong-hoon (Suwon, KR), Kim; Seok-jung (Suwon, KR)

Assignee: Samsung Electronics Co., Ltd.

International Classification: G11B 7/00 (20060101); G11B 23/03 (20060101)

Expiration Date: 8/01/02018