公开(公告)号：US4989110A

公开(公告)日：1991-01-29

申请号：US317364

申请日：1989-03-01

申请人： Thomas M. Zevin ,  Roy A. Utley

发明人： Thomas M. Zevin ,  Roy A. Utley

IPC分类号： G11B15/61

CPC分类号： G11B15/61

摘要： The rotary head scanner of a helical scan magnetic tape recording/reproducing apparatus includes a carrier which supports the fixed drum or drums of the scanner by means of full radius contact between the drum and the carrier. A rotary head scanner includes upper and lower stationary drums and a head wheel rotably mounted in a slot between the stationary drums. The head wheel includes one or more magnetic heads mounted on the periphery of the head wheel. The rotating heads record on and reproduce from slant tracks on magnetic tape guided around the scanner in a helical path. The upper and lower drums are supported by a carrier which effects full radius contact over a large circumferential arc. Such contact effects rigid mounting of the drums without distortion, thus, minimizing distortion in magnetic tape as it is guided around the rotary head scanner.

摘要翻译： 螺旋扫描磁带记录/再现装置的旋转头扫描器包括一个通过滚筒和载体之间的全半径接触来支撑扫描仪的固定鼓或滚筒的载体。 旋转头扫描器包括上和下静止鼓和可旋转地安装在固定鼓之间的狭槽中的头轮。 头轮包括安装在头轮周边上的一个或多个磁头。 旋转头在螺旋路径上围绕扫描仪引导的磁带上的倾斜轨迹记录并再现。 上鼓和下滚筒由在大圆周弧上实现全半径接触的载体支撑。 这样的接触效果使得滚筒刚性安装而不会变形，从而最小化磁带绕着旋转头扫描器引导时的变形。