Optical Disc, Optical Disc Driving Apparatus, Optical Disc Driving Method, Data Processing Apparatus, and Optical Disc Recording/Reproducing Apparatus

作者: Yoshihiro Kiyose , Satoshi Michihata , Osamu Tsukahara , Naoki Kizu , Masaharu Ogawa

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摘要: By avoiding the problem that in a hybrid optical disc with standard-density recording area and high-density area, an pickup designed to be suitable for cannot operate as desired may cause malfunction, damage drive or is prevented optimal control enabled. Access operation identification information such reproducing 225 indicating whether not recorded user data 222 of can reproduced under conditions driving apparatus lead-in . The reads this type access information, compares it possessed by apparatus, if they do correspond, does carry out operations head , because compatibility 201 lacking.

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Shinji Sasaki, Motoshi Ito, Yoshihisa Fukushima, Hiroshi Ueda, Information recording disc and information reproducing system ,(2001)