Apparatus for driving and controlling solenoid impact imprinter
    1.
    发明授权
    Apparatus for driving and controlling solenoid impact imprinter 失效
    用于驱动和控制电磁铁冲击打印机的装置

    公开(公告)号:US5453821A

    公开(公告)日:1995-09-26

    申请号:US988855

    申请日:1992-12-10

    摘要: A method and apparatus for a two-pulse solenoid embossing system implementing an amplitude feedback circuit, i.e., current monitor (48), to provide precise amplitude and timing control over two current pulses (4, 5), and thereby provide precision control over the position and velocity of the embossing system's print elements (64a, 64b). To maintain the current amplitude during the second current pulse (5), the method and apparatus alternatively switches the power on and off to the solenoid coils (55) with a frequency such that a substantially constant current amplitude is maintained in the solenoid coils (55). The embossing system provides an improved solenoid body assembly (61) including a first stack of steel laminations (93), a center block (82) and a second stack of steel laminations (81). A plunger (62) is slidably connected to the solenoid body assembly (61) by shaft (63). Cavities (79) receive dowel pins (71) which are attached to plunger (62). The cavity and dowel pin arrangement (79, 71) prevents the plunger (62) from rotating.

    摘要翻译: 一种用于实现幅度反馈电路即电流监视器(48)的双脉冲电磁压花系统的方法和装置,以在两个电流脉冲(4,5)上提供精确的幅度和定时控制,从而提供对 压印系统的打印元件(64a,64b)的位置和速度。 为了在第二电流脉冲(5)期间保持电流幅度,该方法和设备以使得在螺线管线圈(55)中保持基本上恒定的电流幅度的频率交替地切换到电磁线圈(55)的电源 )。 压花系统提供了一种改进的螺线管主体组件(61),其包括第一叠钢板(93),中心块(82)和第二叠钢层(81)。 柱塞(62)通过轴(63)可滑动地连接到螺线管主体组件(61)。 腔室(79)接收连接到柱塞(62)的定位销(71)。 空腔和定位销布置(79,71)防止柱塞(62)旋转。

    Method and apparatus for driving and controlling an improved solenoid
impact printer
    2.
    发明授权
    Method and apparatus for driving and controlling an improved solenoid impact printer 失效
    用于驱动和控制改进的电磁冲击打印机的方法和装置

    公开(公告)号:US5204802A

    公开(公告)日:1993-04-20

    申请号:US749625

    申请日:1991-08-19

    IPC分类号: B41J3/38 B44B5/00 H01H47/32

    摘要: A method and apparatus for a two-pulse solenoid embossing system implementing an amplitude feedback circuit, i.e., current monitor (48), to provide precise amplitude and timing control over two current pulses (4, 5), and thereby provide precision control over the position and velocity of the embossing system's print elements (64a, 64b). To maintain the current amplitude during the second current pulse (5), the method and apparatus alternatively switches the power on and off to the solenoid coils (55) with a frequency such that a substantially constant current amplitude is maintained in the solenoid coils (55). The embossing system provides an improved solenoid body assembly (61) including a first stack of steel laminations (93), a center block (82) and a second stack of steel laminations (81). A plunger (62) is slidably connected to the solenoid body assembly (61) by shaft (63). Cavities (79) receive dowel pins (71) which are attached to plunger (62). The cavity and dowel pin arrangement (79, 71) prevents the plunger (62) from rotating.

    摘要翻译: 一种用于实现幅度反馈电路即电流监视器(48)的双脉冲电磁压花系统的方法和装置,以在两个电流脉冲(4,5)上提供精确的幅度和定时控制,从而提供对 压印系统的打印元件(64a,64b)的位置和速度。 为了在第二电流脉冲(5)期间保持电流幅度,该方法和设备以使得在螺线管线圈(55)中保持基本上恒定的电流幅度的频率交替地切换到电磁线圈(55)的电源 )。 压花系统提供了一种改进的螺线管主体组件(61),其包括第一叠钢板(93),中心块(82)和第二叠钢层(81)。 柱塞(62)通过轴(63)可滑动地连接到螺线管主体组件(61)。 腔室(79)接收连接到柱塞(62)的定位销(71)。 空腔和定位销布置(79,71)防止柱塞(62)旋转。

    Conductive shielding device
    3.
    发明授权
    Conductive shielding device 有权
    导电屏蔽装置

    公开(公告)号:US08063727B2

    公开(公告)日:2011-11-22

    申请号:US11608465

    申请日:2006-12-08

    IPC分类号: H01F27/32

    摘要: Devices and methods for reducing stray magnetic fields from an inductor are disclosed. In some aspects, a device includes a substantially U-shaped component configured to attach to a conductive surface of a printed circuit board and configured to substantially surround a lengthwise portion of an inductor on three sides of the inductor.

    摘要翻译: 公开了用于减少来自电感器的杂散磁场的装置和方法。 在一些方面,设备包括基本上U形的部件,其被配置为附接到印刷电路板的导电表面并且被配置为基本上围绕电感器三侧的电感器的纵向部分。

    DUT power supply having improved switching DC-DC converter
    4.
    发明授权
    DUT power supply having improved switching DC-DC converter 有权
    DUT电源具有改进的开关DC-DC转换器

    公开(公告)号:US06542385B1

    公开(公告)日:2003-04-01

    申请号:US09718780

    申请日:2000-11-22

    IPC分类号: H02M3335

    CPC分类号: H02M3/33569

    摘要: A switching DC-DC converter unit is disclosed that includes an input for receiving a first DC voltage from a DC power source and switching circuitry coupled to the input to generate a switched alternating voltage from the first DC voltage. The switching circuitry includes a plurality of semiconductor switches having respective gate, source and drain leads, and further including noise suppression elements disposed on the drain leads. The unit further includes transformer circuitry coupled to the output of the switching circuitry and conversion circuitry disposed at the output of the transformer circuitry to convert the switched alternating voltage to a second DC voltage.

    摘要翻译: 公开了一种开关DC-DC转换器单元,其包括用于从DC电源接收第一DC电压的输入和耦合到输入的开关电路,以从第一DC电压产生开关交流电压。 开关电路包括具有各自的栅极,源极和漏极引线的多个半导体开关,并且还包括设置在漏极引线上的噪声抑制元件。 该单元还包括耦合到开关电路的输出的变压器电路和设置在变压器电路的输出处的转换电路,以将开关交流电压转换成第二直流电压。

    CONDUCTIVE SHIELDING DEVICE
    5.
    发明申请
    CONDUCTIVE SHIELDING DEVICE 有权
    导电屏蔽装置

    公开(公告)号:US20080136576A1

    公开(公告)日:2008-06-12

    申请号:US11608465

    申请日:2006-12-08

    IPC分类号: H01F27/36

    摘要: Devices and methods for reducing stray magnetic fields from an inductor are disclosed. In some aspects, a device includes a substantially U-shaped component configured to attach to a conductive surface of a printed circuit board and configured to substantially surround a lengthwise portion of an inductor on three sides of the inductor.

    摘要翻译: 公开了用于减少来自电感器的杂散磁场的装置和方法。 在一些方面,设备包括基本上U形的部件,其被配置为附接到印刷电路板的导电表面并且被配置为基本上围绕电感器三侧的电感器的纵向部分。

    Solenoid shock absorbing bumper arrangement and method
    6.
    发明授权
    Solenoid shock absorbing bumper arrangement and method 失效
    电磁铁减震保险杠的布置及方法

    公开(公告)号:US4862127A

    公开(公告)日:1989-08-29

    申请号:US276355

    申请日:1988-11-23

    IPC分类号: H01F7/16 H01F7/08

    CPC分类号: H01F7/088

    摘要: A solenoid bumper mechanism wherein a resilient means absorbs a proportion of the kinetic energy of a shaft moving within the solenoid, and a nonresilient means which causes the shaft to terminate its movement at a fixed point. The mechanism provides shaft movement of repeatable precise distances and also does not interfere with the magnetic field created by the solenoid body.

    摘要翻译: 一种螺线管保险杠机构,其中弹性装置吸收在螺线管内移动的轴的动能的一部分,以及引起轴在固定点终止其运动的非易失性装置。 该机构提供可重复的精确距离的轴运动,并且也不会干扰由螺线管体产生的磁场。