发明名称 |
Method and apparatus for accessing reading and/or writing means to a desired region on an information recording medium on which a plurality of tracks are spirally formed, in accordance with an estimated arrival position |
摘要 |
An access of a device for writing or reading information from/to a desired region is performed in the following manner on an information recording medium on which a plurality of tracks are spirally formed. The recording medium is rotated and an arrival position of the writing/reading device is estimated when the device is accessed to a track on which the desired region exists. If the estimated position lies within the desired region, the writing/reading device is caused access to the track on which the desired region exists. If the estimated position is located after the desired region, the writing/reading device is caused to access one-preceding track of the track having the desired region.
|
申请公布号 |
US5500840(A) |
申请公布日期 |
1996.03.19 |
申请号 |
US19920988878 |
申请日期 |
1992.12.10 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
OGASAWARA, YUTAKA |
分类号 |
G11B21/08;G06F3/06;G11B7/085;G11B27/10;(IPC1-7):G11B17/22 |
主分类号 |
G11B21/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|