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    • 33. 发明授权
    • Magnetic transducer head with separable pole tips
    • 磁性传感器头与分离的尖端提示
    • US3684839A
    • 1972-08-15
    • US3684839D
    • 1970-10-20
    • AKAI ELECTRIC
    • HOMMA KO
    • G11B5/10G11B5/105G11B5/187G11B5/29G11B5/28
    • G11B5/187G11B5/10G11B5/105G11B5/29
    • A magnetic head has a front head portion which is adapted to engage with a rear head portion. The front head portion has a front holder which includes a plurality of core tips and a plurality of front shield plate sections in spaced relationship to each other. The rear head portion has a rear holder which includes a plurality of U-shaped core portions and a plurality of rear shield plate sections in spaced relationship to each other. The number of U-shaped core portions provided is equal to the number of core tips. The rear holder is further provided with a plurality of pairs of holes, the same being widened at a frontward portion thereof, for fixedly retaining the U-shaped core portions and the rear shield plate sections therein. Each of the pairs of holes are interconnected by a slot which is also provided within the rear holder.
    • 磁头具有适于与后头部接合的前头部。 前头部具有前保持器,前保持器包括多个芯尖和彼此间隔开的多个前屏蔽板部分。 后头部具有后保持件,该后保持件包括多个U形芯部和相互间隔开的多个后屏蔽板部。 提供的U形芯部的数量等于芯尖数量。 后支架还设置有多对孔,其相对于其前部加宽,用于将U形芯部分和后屏蔽板部分固定地保持在其中。 这对孔中的每一对通过还设置在后保持器内的槽相互连接。
    • 34. 发明授权
    • Tape-running indicator
    • 行驶指示器
    • US3643895A
    • 1972-02-22
    • US3643895D
    • 1969-01-23
    • AKAI ELECTRIC
    • ATSUMI KATSUYA
    • G11B15/44G11B27/34H04N5/782B65H61/00G11B19/28
    • G11B27/34G11B15/44H04N5/782
    • A tape-running display unit for magnetic tape recorder, comprising a rotatable display drum provided with a dark-colored zone and a light-colored zone formed on the cylindrical surface of said drum the zones being defined by a helix and a generatrix, a slitlike window opening for viewing the movement of a part of said helix when said tape and said drum are moved in phase with each other; a selector runner adapted for showing a selected length of travel of said tape; an electrical switch arranged to be controlled by said selector when the tape has travelled the selected length and to control in turn the operation of the tapereeling mechanism of the tape recorder.
    • 一种用于磁带记录器的磁带运行显示单元,包括设置有深色区域的可旋转显示滚筒和形成在所述滚筒的圆柱形表面上的浅色区域,所述区域由螺旋和母线限定,狭缝状 窗口,用于当所述带和所述鼓彼此同相移动时观察所述螺旋的一部分的运动; 适于显示所述带的所选行程的选择器转轮; 一种电开关,其布置成当带已经移动所选择的长度时由所述选择器控制,并且依次控制磁带记录器的磁带卷取机构的操作。