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    • 16. 发明授权
    • Printing head and its drive timing control circuit for impact printer
    • 打印头及其打印机驱动定时控制电路
    • US5385414A
    • 1995-01-31
    • US033037
    • 1993-03-18
    • Hiroshi ShirotoriKatsuhiko NishizawaShigeki MizunoTeturo Takahashi
    • Hiroshi ShirotoriKatsuhiko NishizawaShigeki MizunoTeturo Takahashi
    • B41J2/505B41J2/30
    • B41J2/5056
    • In a serial impact printer, a printing head having an impact wire pin array of two arrangement lines is mounted on a carriage in such a way that the pin arrangement lines are inclined by an angle .theta. with respect to the virtual vertical direction. The respective wire pins in the array are driven at timings different delay time by delay time according to the inclination angle .theta.. The control circuit for determining the drive timings comprises a circuit for turning on the respective wire pins at the delay time intervals and a circuit for turning off the respective wire pins in sequence at the delay time intervals after a predetermined time has elapsed. It is desirable that the inclination angle .theta. satisfies the following formula:tan .theta..ltoreq.a/(2.multidot.b)where 2a denotes the pitch between two adjacent wire pins arranged along a single arrangement line of the array, and b denotes a distance between the two arrangement lines of the array.
    • 在串联冲击式打印机中,具有两排排列线的冲击线针阵列的打印头以这样的方式安装在滑架上,使得销排列线相对于虚拟垂直方向倾斜角度θ。 根据倾斜角θ,阵列中相应的导线引脚以不同延迟时间的延迟时间在定时驱动。 用于确定驱动定时的控制电路包括用于以延迟时间间隔打开相应的线引脚的电路和用于在经过预定时间后以延迟时间间隔顺序关闭相应引线引脚的电路。 希望倾斜角θ满足以下公式:tanθ= a /(2xb)其中2a表示沿着阵列的单个布置线布置的两个相邻引线之间的间距,b表示在 阵列的两排排列。
    • 19. 发明授权
    • Printer with impact dot head
    • 打印机带有冲击点头
    • US5213423A
    • 1993-05-25
    • US928522
    • 1992-08-10
    • Shigeki Mizuno
    • Shigeki Mizuno
    • B41J2/24
    • B41J2/24
    • An impact dot head for a printer includes a frame and a plurality of printing wires movably supported on the frame in a predetermined array. Each printing wire is bent by a different predetermined amount to be guided when moved. A plurality of armatures are respectively coupled to a respective one of the printing wires for moving the printing wires. A plurality of magnetic cores are respectively associated with each one of the armatures for selectively driving the armatures. Each of the armatures is driven by its respective magnetic core between a rest position and a printing position. A retaining member is supported on the frame and has a plurality of openings each of which is respectfully associated with one of the armatures. A plurality of coil springs each of which is supported in a respective one of the openings normally biases the armatures in the rest position. Each of the openings has a depth corresponding to the amount of bending of the printing wire associated therewith.
    • 用于打印机的冲击点头包括以预定阵列可移动地支撑在框架上的框架和多个打印线。 每个印刷线被弯曲不同的预定量以在移动时被引导。 多个电枢分别联接到相应的一个印刷线以移动印刷线。 多个磁芯分别与每个电枢相关联,用于选择性地驱动电枢。 每个电枢由其相应的磁芯在静止位置和打印位置之间驱动。 保持构件被支撑在框架上,并且具有多个开口,每个开口与其中一个电枢相关联。 多个螺旋弹簧中的每一个被支撑在相应的一个开口中,通常在静止位置偏置电枢。 每个开口具有对应于与其相关联的打印线的弯曲量的深度。
    • 20. 发明授权
    • Magnetic head suspension assembly for reducing vibration effects
    • 磁头悬挂组件,用于减少振动的影响
    • US5079660A
    • 1992-01-07
    • US374237
    • 1989-06-29
    • Takashi YumuraTetsu YamamotoTakaharu UedaMayumi NakazawaShigeki Mizuno
    • Takashi YumuraTetsu YamamotoTakaharu UedaMayumi NakazawaShigeki Mizuno
    • G11B5/48
    • G11B5/4886
    • An in-line type magnetic head supporting apparatus of the present invention including a first fixed part secured to a magnetic head slider mounted with a magnetic head in a floatable manner, a second fixed part secured to a load beam which presses the magnetic head slider toward the magnetic disc, and a gimbal mechanism comprising a spring part connecting the first and second fixed parts and enabling the pitching and rolling movements of the magnetic head slider in the radial direction of the magnetic disc, and further includes a restricting mechanism for preventing the sideslip of a pivot formed on the first fixed part as a fulcrum for pitching and rolling movements. Furthermore, in order to increase the flexural rigidity of the spring part of the gimbal mechanism in the radial direction, its lateral length is enlarged and slits are formed in the spring part to reduce the torsional rigidity thereby to prevent the inteference of the pitching and rolling movements.
    • 本发明的在线式磁头支撑装置包括固定在可浮动的方式安装有磁头的磁头滑块的第一固定部件,固定到负载梁上的第二固定部件,该负载梁将磁头滑块朝向 磁盘和万向架机构,其包括连接第一和第二固定部分的弹簧部分,并且使得磁头滑块在磁盘的径向上的俯仰和滚动运动,并且还包括限制机构,用于防止侧滑 形成在第一固定部分上的枢轴作为用于俯仰和滚动运动的支点。 此外,为了提高万向节机构的弹簧部的径向的弯曲刚性,其横向长度扩大,并且在弹簧部形成狭缝以降低扭转刚度,从而防止俯仰和滚动的干涉 动作。