公开(公告)号：US3947893A

公开(公告)日：1976-03-30

申请号：US466783

申请日：1974-05-03

申请人： Robert P. Hall, Sr.

发明人： Robert P. Hall, Sr.

IPC分类号： G11B5/58 ,  G11B17/02 ,  G11B17/035 ,  G11B17/04 ,  G11B23/00 ,  G11B23/02 ,  G11B5/016

CPC分类号： G11B17/0434 ,  G11B17/021 ,  G11B17/035 ,  G11B23/0035 ,  G11B5/58

摘要： A novel magnetic disc recording cassette is provided as a thin polygonal cassette housing containing a disc of flexible magnetic recording media. A drive hub attached to the media is exposed through the cassette and cooperates with a complementary drive hub in a deck which receives the cassette in slot-loading fashion into a carriage which in turn positions the cassette for driving of the recording disc. The cassette and disc may be single or double sided, and includes access opening for a magnetic transducer to follow different circular tracks, or a helical track. The thin magnetic disc is provided with backing in the cassette to assure compliant interface of the transducer with the magnetic recording disc. The backing may be a backing sheet, discs of backing material, or felt surfaced shims adjacent the region of interface with the transducer. Passages are provided for air flow in response to rotation of the recording disc to provide a continuing smooth and minimum friction rotation of the disc within the cassette. The cassette is supported either on the base of the carriage or by a separately adjustable three point suspension system.

摘要翻译： 一种新型的磁盘记录盒被提供为一个包含一个柔性磁记录介质盘的薄的多边形盒壳体。 附接到介质的驱动轮毂通过盒体露出，并与在甲板中的互补的驱动轮毂相配合，该卡盘以槽装载的方式将盒子接收到一个托架中，托架又将盒子放置在驱动记录盘上。 盒和盘可以是单面或双面，并且包括用于磁换能器的进入开口以跟随不同的圆形轨道或螺旋轨道。 薄磁盘在盒中设置有背衬，以确保换能器与磁记录盘的兼容接口。 背衬可以是背板，背衬材料盘，或与换能器接口区域相邻的毡表面垫片。 提供通过响应于记录盘的旋转的空气流动，以提供盘在盒内的持续平滑和最小的摩擦旋转。 盒式磁带支撑在滑架的底座上或通过单独调节的三点悬挂系统支撑。