摘要 |
<p>The present invention relates to a drive apparatus (20) for accessing an optical record carrier (10) carrying a time-indicative information (T) and a second ROM mark (M2), comprising: -an access unit (21, 25) for accessing said record carrier (10) for reading data from and/or writing data to said record carrier (10), -a time-information detector (D3) for checking for the presence of time-indicative information (T) and for checking, if time-indicative information (T) is present, whether said time-indicative information (T) indicates a time that lies before a predetermined reference time, -a second ROM mark detector (D2) for checking, if said time-indicative information (T) indicates a time that lies on or after said predetermined reference time, for the presence of said second ROM mark (M2), and -a controlunit (23, 24) for controlling said access unit (21, 25) such that the reading and/or writing of data is inhibited if said time-indicative information (T) indicates a time that lies on or after said predetermined reference time, but said second ROM mark (M2) is not present on said record carrier.</p> |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;TALSTRA, JOHAN, C.;FAESSEN, LOEK, M., H. |
发明人 |
TALSTRA, JOHAN, C.;FAESSEN, LOEK, M., H. |