Patent ID: 6862088

Claim:
A system for providing adaptive control in an optical storage medium, comprising: a light source that generates a beam of light; an optical disk that reflects the beam of light; a detector for receiving the reflected beam; a first comparator coupled to the detector to compare a value of the reflected beam with a first predetermined value, said first comparator to generate a first output signal if the value of the reflected beam is greater than said first predetermined value; a controller circuit coupled to the first comparator, said controller circuit having a timer, said timer to generate a timing signal having a timing interval, said controller circuit to generate a control signal if said first output signal occurs over said timing interval, said controller circuit to provide one of a current servo signal and a predetermined servo signal in response to said control signal; and a driver circuit coupled to said controller circuit and said light source, said driver circuit to control a position of said light source based on one of said current servo signal and said predetermined servo signal; a second comparator coupled to the detector to compare the value of the reflected beam with a second predetermined value, said second comparator to generate a second output signal if the value of the reflected beam is greater than said second predetermined value, said second output signal to be generated during said timing interval and wherein said second predetermined value is higher than said first predetermined value.