发明名称 Optical recording medium and method of information recording/reading an optical recording medium
摘要 An optical recording medium which includes a PMA area, a TOC area, program area, an area that includes a user area and lead-out area. A portion of the PMA area, which relates to the program area, is in a recorded state and the TOC area is in an unrecorded state. Alternatively, the PMA may be in an unrecorded state. In addition, a password may be recorded in a portion of an information area. A method of erasing the medium and a system for reading and recording information are also provided.
申请公布号 US6469963(B1) 申请公布日期 2002.10.22
申请号 US20000657165 申请日期 2000.09.07
申请人 RICOH COMPANY, LTD. 发明人 SAWADA YASUO;YASHIRO TORU;NODA EIJI
分类号 G11B7/24;G11B20/00;G11B20/10;G11B20/12;G11B27/034;G11B27/32;(IPC1-7):G11B5/09 主分类号 G11B7/24
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