Patent ID: 6424606
Filing Date: 2002-07-23
Classification: G11B

Abstract:
A data storage drive for a removable data storage media having at least one data track thereon, there being relative movement between the removable data storage media and a pickup head assembly, the data storage drive having a tracking subsystem for maintaining alignment between the pickup head assembly and the at least one data track, the data storage drive comprising:(a) a vibration detect subsystem coupled to disable the tracking subsystem, and the vibration detect subsystem being coupled to receive at least one output signal from the pickup head assembly, the at least one output signal being indicative of displacement of the pickup head assembly when the tracking subsystem is disabled; (b) the vibration detect subsystem including: (i) a vibration detector having an input coupled to the pickup head assembly, the vibration detector having an output coupled to provide a vibration detect signal, and (ii) a control processor having an input coupled to receive the vibration detect signal and having an output for providing a speed setting; (c) a speed control subsystem coupled to receive the speed setting from the vibration detector subsystem, the speed control subsystem being for maintaining speed of relative movement between the removable data storage media and the pickup head assembly substantially at the speed setting; and wherein (d) the speed setting sets a resonant speed such that when the speed control subsystem is set to the resonant speed the pickup head assembly vibrates at its resonant frequency.