发明名称 |
Magnetic recording and/or reproducing apparatus |
摘要 |
A helical scan type magnetic recording and/or reproducing apparatus comprises a rotary erase head mounted on a rotary drum at such a position that in a normal recording mode the rotary erase head does not erase a portion of a track formed on a magnetic tape by a rotary recording and/or reproducing head which leads the rotary erase head and in a long-time recording mode the rotary erase head erases an overlapping portion of two mutually adjacent tracks formed by a pair of rotary recording and/or reproducing heads respectively leading and lagging the rotary erase head.
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申请公布号 |
US4757408(A) |
申请公布日期 |
1988.07.12 |
申请号 |
US19860866150 |
申请日期 |
1986.05.21 |
申请人 |
VICTOR COMPANY OF JAPAN, LTD. |
发明人 |
UMEDA, HIROYUKI |
分类号 |
G11B5/02;G11B5/008;G11B5/53;G11B27/029;H04N5/783;(IPC1-7):G11B15/14;G11B27/02 |
主分类号 |
G11B5/02 |
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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