Method and apparatus for preventing disk driver fault

A drive and disk technology, applied in the configuration/installation of the head, recording information on the disk, recording/reproducing with optical methods, etc., can solve problems such as disk drive failures

Inactive Publication Date: 2004-04-21
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the above problems may cause the failure of the disk drive

Method used

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  • Method and apparatus for preventing disk driver fault
  • Method and apparatus for preventing disk driver fault
  • Method and apparatus for preventing disk driver fault

Examples

Experimental program
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Embodiment Construction

[0016] Such as figure 1 As shown, the disc drive with failure prevention device includes: a disc 101, a pickup unit 102, a radio frequency (RF) amplifier 103, a digital signal processing unit 104, a system control unit 105, a servo unit 106 and a drive unit 107.

[0017] The disc 101 is an optical medium such as a compact disc (CD) or a digital video disc (DVD). Disc 101 may be a readable disc and / or a writable disc.

[0018] If the disk drive is driven, the pickup unit 102 converts a signal optically picked up from the disk 101 into an electric signal, that is, an RF signal, and outputs it.

[0019] The RF amplifier 103 amplifies the RF signal received from the pickup unit 102 to a predetermined value, and outputs the amplified RF signal.

[0020] The digital signal processing unit 104 performs a correction function for the minimum pit length, a detection operation of a synchronization signal, and a decoding operation based on an RF signal transmitted from the RF amplifier ...

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PUM

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Abstract

A method and apparatus for preventing a malfunction of a disc drive due to an operation error of a correction function for a minimum pit length by selectively performing the correction function based on an operative state of the disc drive. The method includes a first monitoring operation determining whether an operative state of the disc drive is stable when a disc is loaded into the disc drive, controlling a turning on of a correction function for a minimum pit length if the operative state of the disc drive is stable, and a second monitoring operation determining whether the operative state of the disc drive is stable after turning the correction function for the minimum pit length on and turning the correction function off if the operative state of the disc drive is determined to be unstable based on the second monitoring result.

Description

[0001] This application claims priority from Korean Patent Application No. 2002-62697, which was filed with the Korean Intellectual Property Office on October 15, 2002, the disclosure of which is incorporated herein by reference. technical field [0002] The present invention relates to a method and apparatus for preventing a disc drive from malfunctioning, and more particularly to a method for preventing a disc drive from Methods and apparatus for failure. Background technique [0003] As the operating speed of the optical disk drive continues to increase, RF (Radio Frequency, radio frequency) signals begin to deteriorate due to the speed limitation of the optical pickup used for reading the disk. In particular, the smallest pit length signal with the highest frequency is easily degraded. If the reproduced signal of the RF signal (for example, the minimum pit length signal) deteriorates, the reproduced quality of the disc drive will be lowered. The minimum pit length can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B19/20G11B7/005G11B7/09G11B20/18G11B27/36
CPCG11B2220/2545G11B7/005G11B20/1816G11B2220/2562G11B27/36G11B7/0945G11B19/20
Inventor 刘真雨边煐基
Owner SAMSUNG ELECTRONICS CO LTD
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