发明名称 |
Magnetic disk cartridge with erasure-preventing device |
摘要 |
An indicator for representing a selectable recording state of a magnetic disk cassette, for example, a write-protection state, wherein a sliding piece fitted over a thin flat part contiguous with an opening in a lower cassette half is selectively visible through a window through an upper cassette half.
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申请公布号 |
US4860127(A) |
申请公布日期 |
1989.08.22 |
申请号 |
US19850808075 |
申请日期 |
1985.12.12 |
申请人 |
SONY CORPORATION |
发明人 |
TAKAHASHI, KENJI;NEMOTO, TSUNEO |
分类号 |
G11B19/04;G11B23/03;G11B23/28;G11B23/30 |
主分类号 |
G11B19/04 |
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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