Read circuit for disc player

Details Read circuit for disc player Read circuit for disc player

1998-09-03

1999-12-07

Dinh, Tan

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 48, 369 59, G11B 500

Patent

active

059995114

ABSTRACT:
A read circuit for a disc player or the like is provided that can achieve a high-speed data recovery, which can be varied by increasing only a clock speed. The read circuit can include a control signal generating unit receiving a radio frequency signal detected from a disc and outputting first and second control signals to an external circuit and outputting first and second output signals. A level compensating unit receives the first output signal from the control signal generating unit and feeds back a level compensation control signal to the control signal generating unit. A gain compensating unit receives the second output signal from the control signal generating unit to feed back a gain compensation control signal to the control signal generating unit to compensate a gain of the control signal generating unit. A timing control unit receives the second output signal from the control signal generating unit and feeds back a timing control signal to the control signal generating unit.

REFERENCES:
patent: 5278837 (1994-01-01), Kelley
patent: 5414571 (1995-05-01), Matsushige et al.
patent: 5675569 (1997-10-01), Yamaguchi et al.
patent: 5701598 (1997-12-01), Atkinson
patent: 5838512 (1998-11-01), Okazaki

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