| 发明名称 |
MEAN VALUE DETECTING CIRCUIT FOR ROTARY TYPE MAGNETIC RECORDING MEDIUM TESTING MACHINES |
| 摘要 |
<p>PURPOSE:The mean values of the read signal voltages for one round of a recording medium 1 are made always obtainable by automatically changing the time constant of an integrator even if the number of rotation of the rotating medium of a rotary type magnetic recording medium testing machine changes.</p> |
| 申请公布号 |
JPS52100205(A) |
申请公布日期 |
1977.08.23 |
| 申请号 |
JP19760016007 |
申请日期 |
1976.02.18 |
| 申请人 |
HITACHI LTD;HITACHI ELECTR ENG |
发明人 |
MIURA TSUTOMU;HIDA FUMIO |
| 分类号 |
G11B15/093;G11B5/00;G11B5/012 |
主分类号 |
G11B15/093 |
| 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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