公开(公告)号：US3975768A

公开(公告)日：1976-08-17

申请号：US371859

申请日：1973-06-20

申请人： James O. Jacques ,  Barry C. Kockler ,  Frank M. Weller, Jr.

发明人： James O. Jacques ,  Barry C. Kockler ,  Frank M. Weller, Jr.

IPC分类号： G11B5/55 ,  G11B17/035 ,  G11B23/00 ,  G11B23/033 ,  G11B5/016 ,  G11B23/04

CPC分类号： G11B17/035 ,  G11B23/0035 ,  G11B23/033 ,  G11B5/5521

摘要： Flexible disc memory apparatus has a drive for rotating the flexible disc in a cartridge which is opened when inserted into the apparatus by a wedge shaped member inserted into the cartridge. The drive includes a magnetic coupling and centering device for the hub of the flexible disc. A movable head plate carries transducer heads which are positioned at selected track locations by the head. The apparatus also includes a second flexible disc and head plate integrally incorporated in the apparatus.

摘要翻译： 软盘存储装置具有用于使软盘旋转的驱动器，该盒在通过插入盒中的楔形构件插入设备时打开。 驱动器包括用于软盘的轮毂的磁耦合和定心装置。 可移动头板承载位于头部所选轨道位置的换能器头。 该装置还包括一体地结合在该装置中的第二柔性盘和头板。

公开(公告)号：US3949853A

公开(公告)日：1976-04-13

申请号：US509195

申请日：1974-09-25

申请人： Roy Jeremy Lahr ,  Frank M. Weller, Jr.

发明人： Roy Jeremy Lahr ,  Frank M. Weller, Jr.

IPC分类号： B41J1/30 ,  B41J1/24

CPC分类号： B41J1/30

摘要： A print wheel, for use with a serial impact printer, carrying a plurality of character elements at the outer periphery of radially-extending spokes. The print wheel of the present invention is characterized by the location layout of the characters around the periphery of the print wheel to allow the use of proportional-spaced characters.