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    Recording head mounting and actuator combination
    1.
    发明授权
    Recording head mounting and actuator combination 失效
    记录头安装和执行器组合

    公开(公告)号：US3696351A

    公开(公告)日：1972-10-03

    申请号：US3696351D

    申请日：1970-11-23

    Applicant: BURROUGHS CORP

    Inventor： GROOM ROBERT G ,  BRIMM COLLEN K

    IPC: G11B5/105 ,  G11B5/48 ,  G11B5/60 ,  G11B5/50 ,  G11B21/26

    CPC classification number: G11B5/4826 ,  G11B5/105 ,  G11B5/6005

    Abstract: A recording head mounting arrangement is provided for precisely positioning a plurality of recording heads in a housing adjacent a face of a magnetic memory disk. Each recording head is mounted on an individual assembly for individual removal if desired. Holes for mounting the head assemblies are provided in the housing in precise positions and means are provided for keying the assemblies to the housing for maintaining head orientation. Each individual assembly comprises a circular body extending through the housing with the head mounted on a conventional gimbal spring inside the housing. A pneumatic actuator is concentric with the circular body for advancing and retracting the head. Means are provided for passing electrical leads from the recording head to the outside of the housing.

    Abstract translation: 提供了一种记录头安装装置，用于将多个记录头精确地定位在邻近磁存储盘的表面的壳体中。 如果需要，每个记录头安装在单独的组件上用于单独移除。 用于安装头部组件的孔在精确位置处设置在壳体中，并且设置用于将组件键合到壳体以保持头部取向的装置。 每个单独的组件包括延伸穿过壳体的圆形主体，其中头部安装在壳体内部的常规万向弹簧上。 气动致动器与圆形体同心，用于推进和缩回头部。 提供了用于将电引线从记录头传递到壳体外部的装置。

    Addressing system with means to check mechanical stability
    2.
    发明授权
    Addressing system with means to check mechanical stability 失效
    寻址系统，用于检查机械稳定性

    公开(公告)号：US3686650A

    公开(公告)日：1972-08-22

    申请号：US3686650D

    申请日：1971-06-01

    Applicant: BURROUGHS CORP

    Inventor： GLEIM RALPH A ,  GROOM ROBERT G

    IPC: G11B5/48 ,  G11B5/55 ,  G11B5/00

    CPC classification number: G11B5/5556 ,  G11B5/48

    Abstract: Auxiliary tracks of a disc file are used to verify the correct radial position of a movable head assembly relative to the data tracks, to verify the mechanical stability of the head assembly after it has been moved, and to indicate continuously the angular position of the disc relative to the head assembly. Check numbers are recorded serially around the auxiliary tracks. Some of the digits of each check number identify the track and the remaining digits of the check number identify the angular position. The storage and retrieval modes of the disc file system are controlled in response to the check numbers.

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