Wire-dot print head driving apparatus
    2.
    发明公开
    Wire-dot print head driving apparatus 失效
    Antriebfüreinen Drahtpunktdruckkopf。

    公开(公告)号:EP0366497A2

    公开(公告)日:1990-05-02

    申请号:EP89311141.9

    申请日:1989-10-27

    IPC分类号: B41J2/30

    CPC分类号: B41J2/30

    摘要: In a driving apparatus for a wire-dot print head (1) having electromagnets (24) for driving print wires (12), each electromagnet comprising a core (21) and a coil (23), sensing coils (2) are provided in association with the respective electromagnets and provided to interlink the magnetic flux passing through the core (21) of the associated electromagnet (24), a magnetic flux detecting circuit (3) is connected to the sensing coils (2) for detecting the magnetic flux passing through the core, and a control (6) and drive (5) circuit is responsive to the detected magnetic flux for deciding the termination of the energization of the drive coil.

    摘要翻译: 在具有用于驱动印刷线(12)的电磁体(24)的丝印打印头(1)的驱动装置中,每个包括芯(21)和线圈(23)的电磁体设置在感测线圈 与相应的电磁体相关联并且被提供以将通过相关联的电磁体(24)的芯部(21)的磁通量相互连接,磁通检测电路(3)连接到感测线圈(2),用于检测磁通量 并且控制器(6)和驱动器(5)电路响应于检测到的磁通量,以决定驱动线圈的通电结束。