OPTICAL DISC DRIVE CAPABLE OF GENERATING DIGITAL SERVO CONTROL SIGNALS AND METHOD THEREOF
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United States of America Patent
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Issued Date -
Dec 8, 2005
app pub date -
May 27, 2005
filing date -
Jun 4, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optical disc drive and related method for accessing an optical disc. The optical disc drive includes a pickup module, a digital pre-amp module, a servo control module, and an actuator module. The pickup module generates a plurality of digital receiving signals according to a light beam reflected off the optical disc. Coupled to the pickup module, the digital pre-amp module generates a digital servo control signal according to the plurality of digital receiving signals. Coupled to the digital pre-amp module, the servo control module generates a driving signal according to the digital servo control signal. Coupled to the servo control module, the actuator module controls a position of a focal point of a laser light generated by the pickup module according to the driving signal.
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