发明名称 |
Alignment disk for magnetic head azimuth correction |
摘要 |
An azimuth adjustment disk having first and second areas alternately recorded in a circumfrential direction. Each of the first areas has two azimuth burst signal. The two azimuth burst signals have different azimuths and a first signal wavelength. While each of the second areas has two azimuth burst signals with azimuths corresponding to the bursts of the first areas, but which have a longer wavelength.
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申请公布号 |
US5043837(A) |
申请公布日期 |
1991.08.27 |
申请号 |
US19900567701 |
申请日期 |
1990.08.15 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
OKAMURA, HIROSHI;NAKAJIMA, SHOUJI;KAWAKAMI, CHIKAHISA |
分类号 |
G11B5/48;G11B5/56 |
主分类号 |
G11B5/48 |
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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