发明名称 |
Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component |
摘要 |
A data generator assembly for use in retrieving stored data from an information storage medium. The data generator assembly includes a positive peak detector for receiving a preprocessed signal having a predetermined waveform including positive peaks, negative peaks, and a DC component. The positive peak detector is utilized to measure and track the positive peaks to output a positive peak signal. A negative peak detector measures and tracks the negative peaks to output a negative peak signal. The data generator assembly also includes a voltage divider for averaging the negative peak signal and the positive peak signal and generating a threshold signal representing the approximate peak-to-peak midpoint of the preprocessed signal which varies with the DC component. A comparator is provided for comparing the preprocessed signal with the threshold signal. The comparator generates an output data waveform signal indicative of the stored data on information storage medium.
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申请公布号 |
US5790495(A) |
申请公布日期 |
1998.08.04 |
申请号 |
US19960690019 |
申请日期 |
1996.07.31 |
申请人 |
DISCOVISION ASSOCIATES |
发明人 |
KIMURA, NOBORU;YEH, WEN-YUNG |
分类号 |
G11B7/00;G11B7/0037;G11B7/0045;G11B7/005;G11B7/013;G11B11/105;G11B20/10;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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