发明名称 Method of recognizing track pitch of optical disk
摘要 A method of recognizing a track pitch of an optical disk, adapted for an optical disk player, is provided. The method includes the steps of driving an optical pickup head to a predetermined position, so that the optical pickup head and the spindle motor are a predetermined distance apart, reading a data sector address, and recognizing the magnitude of the track pitch of the optical disk according to the value of the data sector address.
申请公布号 US8189441(B2) 申请公布日期 2012.05.29
申请号 US20100779956 申请日期 2010.05.14
申请人 CHANG YAO-WEN;WU PIN-JU;SUNPLUS TECHNOLOGY CO., LTD. 发明人 CHANG YAO-WEN;WU PIN-JU
分类号 G11B27/36;G11B7/00;G11B20/10 主分类号 G11B27/36
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