CONTROLLER, DISK DRIVE HAVING THE CONTROLLER, AND DATA PROCESSING SYSTEM HAVING THE DISK DRIVE

CONTROLLER, DISK DRIVE HAVING THE CONTROLLER, AND DATA PROCESSING SYSTEM HAVING THE DISK DRIVE

A controller for use in a disk drive includes a comparison signal generator for comparing a period of time when a write unsafe signal output from a pre-amplifier is activated with a reference period of time to generate a comparison signal; a write failure signal generator for generating a write fail...

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1. Verfasser: JUN JIN WAN
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator JUN JIN WAN
description A controller for use in a disk drive includes a comparison signal generator for comparing a period of time when a write unsafe signal output from a pre-amplifier is activated with a reference period of time to generate a comparison signal; a write failure signal generator for generating a write failure signal according to a write gate signal and the comparison signal; and a logger for logging at least one of the period of time when a write unsafe signal output from a pre-amplifier is activated and the number of times of activations of the comparison signal.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title CONTROLLER, DISK DRIVE HAVING THE CONTROLLER, AND DATA PROCESSING SYSTEM HAVING THE DISK DRIVE
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