DVD reproducing apparatus, disk reproducing apparatus and...

Details DVD reproducing apparatus, disk reproducing apparatus and... DVD reproducing apparatus, disk reproducing apparatus and...

2008-01-01

2008-01-01

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

C369S275300

Reexamination Certificate

active

10926054

ABSTRACT:
A DVD reproducing apparatus includes a pickup to read data from a disk having a pit data area to form pits along tracks and an NBCA to read data by laser cutting in a radial direction, a tracking error signal generator to generate a tracking error signal, an RF signal generator to process a signal output from the pickup to generate an RF signal, an NBCA data demodulator to employ the RF signal to demodulate data recorded in the NBCA, a jump controller to permit the pickup to jump over the tracks based on the tracking error signal, and a sled motor to move the pickup in the radial direction. Preferably, the jump controller applies a predetermined voltage to the sled motor, sets a time length to apply the predetermined voltage, and moves the pickup from the NBCA to the pit data area by single driving of the sled motor.

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patent: 2002-352448 (2002-12-01), None
patent: 1002-067937 (2003-03-01), None

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