Data slicer and data slicing method for optical disc system

Details Data slicer and data slicing method for optical disc system Data slicer and data slicing method for optical disc system

2007-10-30

2007-10-30

Korzuch, William (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal level detecting using a reference signal

C369S047350

Reexamination Certificate

active

10639668

ABSTRACT:
In a data slicer and data slicing method for an optical disc system, the data slicer for converting an analog input signal into a digital signal includes a comparator, a duty detector, and a low pass filter. The comparator compares the analog input signal with a feedback signal to generate the digital signal. The duty detector detects the duty of the digital signal. If the detected duty is longer than a preset duration, the duty detector converts the detected signal into a signal having the preset duration, and outputs the converted signal. The low pass filter integrates the output signal of the duty detector to generate the feedback signal.

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patent: 5710750 (1998-01-01), Tachibana
patent: 6188738 (2001-02-01), Sakamoto et al.
patent: 6631103 (2003-10-01), Yamanoi et al.

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