Dynamic optical information storage or retrieval – Particular cabinet structure for optical media – Detecting physical characteristics and location of optical...
Reexamination Certificate
2006-02-23
2009-10-20
Nguyen, Hoa T (Department: 2627)
Dynamic optical information storage or retrieval
Particular cabinet structure for optical media
Detecting physical characteristics and location of optical...
C369S030320, C369S030360, C369S053220
Reexamination Certificate
active
07607144
ABSTRACT:
A method for detecting a size of an optical disk loaded in an optical disk drive is disclosed. The optical disk drive has an optical pickup head, and the initial position of the optical pickup head is located on the outer side of a track. The steps of the method are described as follows. First, the optical disk is loaded. Then, the optical pickup head is moved from the initial position to a first position, and a laser beam is irradiated simultaneously. The laser beam reflected by the optical disk is received by the optical pickup head. According to the condition of the reflected laser beam received by the optical pickup head, the size of the disk can be determined.
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patent: 5970035 (1999-10-01), Ohmori et al.
patent: 6414927 (2002-07-01), Ota
patent: 7180840 (2007-02-01), Kim
Chang Sung-San
Huang Chin-Lung
Jeng Rong-Son
Bacon & Thomas PLLC
Lite-On It Corporation
Nguyen Hoa T
Sasinowski Andrew J
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