Patent ID: 7933193
Filing Date: 2011-04-26
Classification: G11B

Abstract:
1. A reproducing method using an optical disc in which data is written on and/or read from, the optical disc including a lead-in area, the lead-in area including a read-only area having a first wobble, a readable/writable area having a second wobble that is different from the first wobble, and a connection area formed between the read-only area and the readable/writable area, the method comprising: reading the first wobble of the read-only area of the optical disc and the second wobble of the readable/writable area of the optical disc, the reading of the first wobble and the second wobble being performed by an optical pickup; processing at least one of the first wobble and the second wobble formed in the lead-in area, the processing being performed by a processor; and controlling the optical pickup using the processor, the controlling of the optical pickup comprising: wherein the first wobble stores information regarding the optical disc or recording parameters and the readable/writable area includes at least one of test area and defect management area (DMA).