Patent ID: 8159926

Claim:
A recording method for recording information on an information recording medium comprising: (a) a lead-in area, said lead-in area including (1) a first track area having a first physical feature that is formed with emboss, (2) a first groove area having a second physical feature different from said first physical feature that is allocated in an inner circumferential side of said first track area, (3) a first connection area for continuously connecting said first track area to said first groove area, (4) a second groove area having a third physical feature different from said first physical feature that is allocated in an outer circumferential side of said first track area, and (5) a second connection area for continuously connecting said first track area to said second groove area; and (b) a data area including a third groove area having a fourth physical feature different from said first physical feature and a wobbling frequency signal that is allocated in an outer circumferential side of said lead-in area, the recording method comprising the steps of: producing a velocity signal for driving said information recording medium to rotate based upon said wobbling frequency signal and rotating said information recording medium in a constant linear velocity; and producing a clock signal for information to be recorded on said information recording medium based upon said wobbling frequency signal and recording the information in said data area on said information recording medium.