| 发明名称 |
Disk recording medium and disk drive unit wherein the product of the number of servo areas and the recording/reproduction mode switching time of the head amplifiers is 1200 or less |
| 摘要 |
A disk drive for magnetic disk of the sample servo type, having N (N>/=200) servo areas, wherein the product of N and the recording/reproduction mode switching time Th ( mu s) of the head amplifiers, i.e., NxTh, is designed to be 1200 or smaller.
|
| 申请公布号 |
US5541783(A) |
申请公布日期 |
1996.07.30 |
| 申请号 |
US19950405227 |
申请日期 |
1995.03.16 |
| 申请人 |
SONY CORPORATION |
发明人 |
YAMAMOTO, NORIYUKI;YADA, HIROAKI |
| 分类号 |
G11B20/10;G11B5/012;G11B5/596;G11B19/02;G11B20/12;G11B21/10;(IPC1-7):G11B5/09 |
主分类号 |
G11B20/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
