OPTICAL DISC DRIVE CAPABLE OF GENERATING DIGITAL SERVO CONTROL SIGNALS AND METHOD THEREOF

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20050270918A1
SERIAL NO

10908818

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORP2 INNOVATION RD II SCIENCE PARK HSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiang, Shih-Chung Kao-Hsiung City, TW 3 15
Lo, Chen-Hsing Tao-Yuan Hsien, TW 19 60
Yen, Kuang-Yu Tai-Chung City, TW 87 470

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