Patent ID: 7251201

Claim:
A method of searching a new writable address for an optical recordable medium, said optical recordable medium comprising a plurality of sections each having a lead-in area, a program area, and a lead-out area, said program area including at least one program sub-area for storing a digital information, said method comprising the steps of: (a) providing an optical pickup head to said program sub-area around the end of a recorded digital information in a former recording operation and setting a first search starting point thereof with respect to a first predetermined rule; (b) determining if said new writable address is located at a latest program sub-area and setting a search finishing point of said optical pickup head with respect to a second predetermined rule; (c) setting a second search starting point with respect to a third predetermined rule while the distance between said search finishing point and said first search starting point is less than a first predetermined block time duration; (d) decoding said stored digital information for a third predetermined block time duration, wherein the decoding begins from said first search starting point; and (e) detecting whether a run-out block has been decoded during an N block time duration, wherein said N block time duration is less than said third predetermined block time duration, and determining said new writable address with respect to a fourth predetermined rule.