Patent ID: 7916589

Claim:
A control method of an optical disc drive, comprising: (a) entering a writing state; (b) checking if a reading command for requesting recorded data is received, wherein when the reading command is not received, continuing a writing process, and when the reading command is received, going to step (c); (c) interrupting the writing process, comprising: (c1) checking if a buffer of the optical disc drive has data waiting to be written onto an optical disc, if yes, going to step (c2); if no, going to step (c4); (c2) writing the data stored in the buffer onto the optical disc; (c3) marking a breaking mark on the optical disc; and (c4) storing related recording parameter(s); (d) switching to a reading state; (e) reading the recorded data according to the reading command; and (f) switching to the writing state.