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  Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the sameUSPTO Application #: 20080094985Title: Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same Abstract: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the information is read before performing tracking in the data area. Accordingly, it is possible to obtain the tracking polarity information and/or reflectivity information without trial and error and directly record or reproduce user data in a data area of the optical disc. (end of abstract) Agent: Stein, Mcewen & Bui, LLP - Washington, DC, US Inventors: Kyung-geun Lee, In-sik Park, Jung-wan Ko, Du-peop Yoon USPTO Applicaton #: 20080094985 - Class: 369053370 (USPTO) Related Patent Categories: Dynamic Information Storage Or Retrieval, Condition Indicating, Monitoring, Or Testing, Including Radiation Storage Or Retrieval, Initialization Or Start-up Mode Or Changing System Mode:
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