发明授权
- 专利标题: Floppy disk write protector and method of providing same
- 专利标题(中): 软盘写保护器及其提供方法
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申请号: US301562申请日: 1989-01-25
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公开(公告)号: US4969060A公开(公告)日: 1990-11-06
- 发明人: Richard J. O'Neill
- 申请人: Richard J. O'Neill
- 专利权人: Neill Richard J O
- 当前专利权人: Neill Richard J O
- 主分类号: G11B23/03
- IPC分类号: G11B23/03 ; G11B23/28
摘要:
A write protector (40) for floppy disks is applied to a disk envelope (10) and latched thereto via a slot (34) punched or formed in the envelope and movable to enable or disable writing upon the disk. A method for providing the disk envelope with the write protector is also taught.
公开/授权文献
- US6150697A Semiconductor apparatus having high withstand voltage 公开/授权日:2000-11-21
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