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1. 发明授权

US4912582A Floppy disk drive system with improved record/playback heads 失效
标题翻译：软盘驱动器系统，具有改进的记录/播放头
公开(公告)号：US4912582A
公开(公告)日：1990-03-27
申请号：US277391
申请日：1988-11-21
申请人： Akihiro Gomi , Shin Shibata , Misuo Oguchi , Sumio Gomi
发明人： Akihiro Gomi , Shin Shibata , Misuo Oguchi , Sumio Gomi
IPC分类号： G11B5/10 , G11B5/48 , G11B17/32
CPC分类号： G11B5/4886 , G11B17/32 , G11B5/10
摘要： A floppy disk drive system for double-sided recording and playback having first and second heads positioned to hold a disk therebetween is provided. The first and second heads each have a read/write gap and each have a contacting plane for contacting the disk. Each such contacting plane has an inner edge position toward the center of the disk and an outer edge positioned toward the outer circumference of the disk. The gap of the first head is closer to the outer circumference of the disk than the gap of the second head when the heads are assembled in facing relation. The distance between the center of the inner edge of the contacting plane of the first head and the center of the read/write gap of the second head is about 0.6 mm or less. The contacting plane of the second head may be larger than that of the first head, said enlargement being in the direction of the inner circumference of the disk. At least one of the heads may have the two inner corners thereof chamfered by about C 0.5 or more and the corresponding corners of the contacting plane may be smoothly rounded. The contacting plane of the first head may be larger than that of the second head, said enlargement being in the direction of the outer circumference of the disk.
摘要翻译：提供了一种用于双面记录和重放的软盘驱动器系统，其具有定位成在其间保持盘的第一和第二头。第一和第二头各自具有读/写间隙，并且每个具有用于接触盘的接触平面。每个这样的接触平面具有朝向盘的中心的内边缘位置和朝向盘的外圆周定位的外边缘。当头以面对关系组装时，第一头的间隙比第二头的间隙更靠近盘的外周。第一头部的接触面的内边缘的中心与第二头部的读/写间隙的中心之间的距离为约0.6mm以下。第二头部的接触面可以大于第一头部的接触面，所述扩大部位在盘的内周方向。至少一个头可以具有倒角大约C 0.5或更大的两个内角，并且接触平面的相应角可以平滑地圆化。第一头部的接触面可以大于第二头部的接触面，所述扩大部位在盘的外周的方向上。

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