发明名称 |
Magnetic disc read head positioning device and method |
摘要 |
A servo-demodulator for a pair of alternating signals generated by a magnetic disc read head and indicative of the position of the read head in relation to the center of a recorded track. The servo-demodulator comprises a peak detector for successively and individually sampling the amplitude of each of a plurality of peaks of the pair of alternating signals, and a capacitor periodically connected to the output of the peak detector by a control logic for deriving a weighted average of the various successively sampled amplitudes. In this manner, the control logic obtains an averaged measure of amplitude with high immunity to noise.
|
申请公布号 |
US6002542(A) |
申请公布日期 |
1999.12.14 |
申请号 |
US19970904599 |
申请日期 |
1997.08.01 |
申请人 |
SGS-THOMSON MICROELECTRONICS S.R.L. |
发明人 |
BRUCCOLERI, MELCHIORRE;DEMICHELI, MARCO;DEMICHELI, DAVIDE;PATTI, GIUSEPPE |
分类号 |
G11B5/55;G11B5/596;G11B21/10;(IPC1-7):G11B5/596 |
主分类号 |
G11B5/55 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|