Buckling restrained braces and damping steel structures

    公开(公告)号:US20070056225A1

    公开(公告)日:2007-03-15

    申请号:US11598262

    申请日:2006-11-08

    CPC classification number: E04H9/02 E04H9/028

    Abstract: The present invention relates to a buckling restrained brace capable of absorbing vibration energy produced by an earthquake, wind power and the like, in a building and a steel structure. The buckling restrained brace of the present invention is accomplished by a buckling restrained brace 1 wherein a steel-made center axial member 3 is passed through a buckling-constraining concrete member 2 reinforced with a steel member 6, and an adhesion-preventive film 4 is provided to the interface between the steel-made center axial member and buckling-constraining concrete 5, the adhesion-preventive film showing a secant modulus in the thickness direction of at least 0.1 N/mm2 between a point which shows a compressive strain of 0% and a point which shows a compressive strain of 50%, and up to 21,000 N/mm2 between a point which shows a compressive strain of 50% and a point which shows a compressive strain of 75%, and having a thickness dt in the plate thickness direction of the steel-made center axial member and a thickness dw in the plate width direction thereof from at least 0.5 to 10% of the plate thickness t and from at least 0.5 to 10% of the plate width w, respectively, and by the application of the buckling restrained brace to a damping steel structure.

    Buckling restrained braces and damping steel structures
    32.
    发明授权
    Buckling restrained braces and damping steel structures 有权
    弯曲限制支架和阻尼钢结构

    公开(公告)号:US06826874B2

    公开(公告)日:2004-12-07

    申请号:US09735252

    申请日:2000-12-12

    CPC classification number: E04H9/02 E04H9/028

    Abstract: The present invention relates to a buckling restrained brace capable of absorbing vibration energy produced by an earthquake, wind power and the like, in a building and a steel structure. The buckling restrained brace of the present invention is accomplished by a buckling restrained brace 1 wherein a steel-made center axial member 3 is passed through a buckling-constraining concrete member 2 reinforced with a steel member 6, and an adhesion-preventive film 4 is provided to the interface between the steel-made center axial member and buckling-constraining concrete 5, the adhesion-preventive film showing a secant modulus in the thickness direction of at least 0.1 N/mm2 between a point which shows a compressive strain of 0% and a point which shows a compressive strain of 50%, and up to 21,000 N/mm2 between a point which shows a compressive strain of 50% and a point which shows a compressive strain of 75%, and having a thickness dt in the plate thickness direction of the steel-made center axial member and a thickness dw in the plate width direction thereof from at least 0.5 to 10% of the plate thickness t and from at least 0.5 to 10% of the plate width w, respectively, and by the application of the buckling restrained brace to a damping steel structure.

    Abstract translation: 本发明涉及一种能够吸收由建筑物和钢结构中的地震,风力等产生的振动能量的屈曲约束支架。本发明的屈曲约束支架由屈曲约束支架1实现,其中, 钢制中心轴构件3通过钢构件6加强的屈曲约束混凝土构件2,并且在钢制中心轴构件和屈曲约束混凝土之间的界面处设置防粘接膜4 如图5所示,在显示压缩应变为0%的点和显示压缩应变为50%的点之间,在厚度方向上示出切割模量为至少0.1N / mm 2的防粘附膜, 在压缩应变为50%的点和显示75%的压缩应变的点之间的21,000N / mm 2,并且具有钢制成的板的厚度方向的厚度dt 并且板宽度方向上的厚度dw分别为板厚度t的至少0.5至10%和板宽度w的至少0.5至10%,并且通过施加屈曲约束支架 到阻尼钢结构。

    Differential amplifier circuit
    33.
    发明授权
    Differential amplifier circuit 失效
    差分放大电路

    公开(公告)号:US06252457B1

    公开(公告)日:2001-06-26

    申请号:US09472874

    申请日:1999-12-28

    Abstract: Emitters of a first NPN transistor and a second NPN transistor forming a differential input section are respectively connected to collectors of a third NPN transistor and a fourth NPN transistor; the collectors and bases of the third NPN transistor and the fourth NPN transistor are respectively connected through first and second capacitors; and the bases of the third NPN transistor and the fourth NPN transistor are respectively connected to a first reference power source through first and second resistors.

    Abstract translation: 形成差分输入部的第一NPN晶体管和第二NPN晶体管的发射极分别与第三NPN晶体管和第四NPN晶体管的集电极连接; 第三NPN晶体管和第四NPN晶体管的集电极和基极分别通过第一和第二电容器连接; 并且第三NPN晶体管和第四NPN晶体管的基极分别通过第一和第二电阻器连接到第一参考电源。

    Planar heating element
    36.
    发明授权
    Planar heating element 失效
    平面加热元件

    公开(公告)号:US4074222A

    公开(公告)日:1978-02-14

    申请号:US601178

    申请日:1975-08-01

    CPC classification number: H05B3/56 H05B3/146 H05B3/565

    Abstract: A planar heating element having a thin flat body formed from an insulating thermoplastic resin and electrically conductive powder. The electrically conductive powder is formed in a layer within the thermoplastic resin in the neighborhood of the entire surface of the body. Lead wires within the flat body being positioned near the surface of the body such that the lead wires are electrically connected to said layer of electrically conductive powder. The planar heating element being produced by a method comprising melt-admixing an insulating thermoplastic resin with an electrically conductive powder. The mixture is then extruded, and the extruded body is rapidly cooled.

    Compact coin hopper
    38.
    发明授权
    Compact coin hopper 有权
    紧凑型投币斗

    公开(公告)号:US08408979B2

    公开(公告)日:2013-04-02

    申请号:US13095721

    申请日:2011-04-27

    CPC classification number: G07D9/008

    Abstract: The compact coin hopper for holding and dispensing coins in bulk includes a rotable disk for releasing individual coins to a sliding base beneath the rotable disk for ejection from the coin hopper. The upper surface of the rotable disk includes an upper step part and a lower step part connected by a riser part. The upper step part has a crescent arc shape with a radii smaller than the radius of the rotating disk in a planar view. One end of the crescent arc shape terminates adjacent an edge of the through hole while the other end of the crescent arc shape diverges away from the through hole and terminates adjacent a peripheral side edge of the lower step part. The configuration of the upper and lower step parts and the riser part assist in dispensing a coin.

    Abstract translation: 用于容纳和分发硬币的紧凑型硬币盒包括用于将单个硬币释放到可旋转盘下方的滑动基座的用于从硬币漏斗排出的可旋转盘。 可旋转盘的上表面包括上台阶部分和由提升部分连接的下台阶部分。 在俯视图中,上台阶部具有半径小于旋转盘的半径的月牙形。 新月形弧形的一端在通孔的边缘附近终止,而新月形弧形的另一端从通孔分开,并且在下阶梯部的周边侧缘附近终止。 上下台阶部件和提升部件的配置有助于分配硬币。

    Degauss control for magnetic disk-drive preamplifier
    39.
    发明授权
    Degauss control for magnetic disk-drive preamplifier 有权
    磁控驱动前置放大器的去磁控制

    公开(公告)号:US07813068B2

    公开(公告)日:2010-10-12

    申请号:US12120525

    申请日:2008-05-14

    Applicant: Toru Takeuchi

    Inventor: Toru Takeuchi

    CPC classification number: G11B5/465 G11B2005/0018

    Abstract: One embodiment of the invention includes a preamplifier system for a magnetic disk-drive. The system includes a current distributor configured to generate a reference current and to decay the reference current from a first magnitude to a second magnitude during a degauss period to degauss a magnetic disk write head. The degauss period defines a transition from a write cycle to a read cycle of the magnetic disk-drive and has a predetermined time duration that is independent of the first magnitude of the reference current during the write cycle. An output driver is configured to provide a write current to the magnetic disk write head having a magnitude with an absolute value that is based on the reference current.

    Abstract translation: 本发明的一个实施例包括用于磁盘驱动器的前置放大器系统。 该系统包括配置成产生参考电流并且在消磁周期期间将参考电流从第一幅度衰减到第二幅值以消除磁盘写入头的电流分配器。 消磁周期定义从磁盘驱动器的写入周期到读取周期的转变,并且具有与写入周期期间的参考电流的第一幅度无关的预定持续时间。 输出驱动器被配置为向具有基于参考电流的绝对值的幅度的磁盘写入头提供写入电流。

    Current-sense bias circuit for a magnetoresistive head and method of sensing a current therethrough
    40.
    发明申请
    Current-sense bias circuit for a magnetoresistive head and method of sensing a current therethrough 有权
    用于磁阻头的电流检测偏置电路和感测电流通过其中的电流的方法

    公开(公告)号:US20050141119A1

    公开(公告)日:2005-06-30

    申请号:US10748985

    申请日:2003-12-30

    CPC classification number: G11B5/012 G11B5/02 G11B2005/0018

    Abstract: The present invention provides a current-sense bias circuit for use with a magnetoresistive head. In one embodiment, the current-sense bias circuit includes a voltage biasing portion configured to provide a bias voltage across the magnetoresistive head thereby establishing a bias current through the magnetoresistive head. Additionally, the current-sense bias circuit also includes a current sensing portion coupled to the voltage biasing portion and configured to sense a change in the bias current based on a resistivity change of the magnetoresistive head.

    Abstract translation: 本发明提供一种与磁阻头一起使用的电流检测偏置电路。 在一个实施例中,电流检测偏置电路包括电压偏置部分,其被配置为在磁阻磁头两端提供偏置电压,从而建立通过磁阻头的偏置电流。 另外,电流检测偏置电路还包括耦合到电压偏置部分并被配置为基于磁阻头的电阻率变化来感测偏置电流的变化的电流感测部分。

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