Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2007-10-30
2010-10-26
Edun, Muhammad N. (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S044280, C369S044340, C369S044350, C369S044130
Reexamination Certificate
active
07821885
ABSTRACT:
Disclosed is a TE signal polarity determining method, which includes: (a) obtaining a detection signal from an optical disc; (b) obtaining characteristics of the detection signal corresponding to different polarities of the TE signal; and (c) determining whether an original polarity of the TE signal should be changed or not according to the obtained characteristics.
REFERENCES:
patent: 5508995 (1996-04-01), Moriya et al.
patent: 2006/0203631 (2006-09-01), Wu
patent: 1832008 (2006-09-01), None
patent: 2002-269772 (2002-09-01), None
patent: 2004-134007 (2004-04-01), None
Chiu Shih-Jung
Huang Chao-Ming
Edun Muhammad N.
Hsu Winston
Margo Scott
Mediatek Inc.
Teng Min-Lee
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