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    • 24. 发明授权
    • Direct RF complex analog to digital converter
    • 直接RF复合模数转换器
    • US07692570B2
    • 2010-04-06
    • US12014846
    • 2008-01-16
    • Paul T. MartellockByron W. TietjenMichael J. WalshLindsay C. Peterson
    • Paul T. MartellockByron W. TietjenMichael J. WalshLindsay C. Peterson
    • H03M1/12
    • H03M1/1215
    • An analog to digital converter device including: an input to receive a radio frequency (RF) signal; a plurality of delay elements coupled in series to the input, wherein each element has an output configured to provide the RF signal with a temporal delay corresponding to a different number of the delay elements; a sample rate reduction system having a plurality of inputs each being coupled to a corresponding one of the delay element outputs, and configured to sample the delayed RF signals and provide M-sample outputs, each of the M-sample outputs being sampled at a reduced sampling rate equal to the sampling rate divided by M, M being an integer sample rate reduction value; and an Nth order complex bandpass filter coupled to the sample rate reduction system, the complex bandpass filter being configured to filter each of the M-sample outputs to obtain a plurality of complex baseband signals.
    • 一种模数转换器装置,包括:用于接收射频(RF)信号的输入端; 多个延迟元件串联耦合到输入,其中每个元件具有被配置为向RF信号提供对应于不同数量的延迟元件的时间延迟的输出; 具有多个输入的采样率降低系统,每个输入各自耦合到所述延迟元件输出中的对应的一个,并且被配置为对延迟的RF信号进行采样并提供M个采样输出,每个M采样输出以缩减的 采样率等于采样率除以M,M为整数采样率降低值; 以及耦合到所述采样率降低系统的N阶复带通滤波器,所述复带通滤波器被配置为对所述M个采样输出中的每一个进行滤波以获得多个复基带信号。
    • 25. 发明授权
    • Anti-theft device for framed door
    • 框架门防盗装置
    • US5845433A
    • 1998-12-08
    • US783120
    • 1997-01-14
    • Michael J. Walsh
    • Michael J. Walsh
    • E05D11/00E06B5/11
    • E06B5/113E05D11/0027E05Y2900/132
    • A device for preventing unauthorized prying of a door outward or forcing it inward from the plane of the door wherein the door is pivotally mounted on hinges in a door frame, the door and door frame each having interior surfaces, including a first member, including a base, for mounting to the interior surface of the door frame and having formed thereon a protrusion facing outward from the base toward the door, and a second member for mounting to the interior surface of the door, the second member, defined by a base, for attachment to the interior surface, and a body extending upward and away from the base having formed therein a recess facing outward toward the protrusion and arranged to pivot with the door away from and toward the protrusion as the door is opened and closed, wherein the first and second members are arranged for pivotal movement away from each other when the door is opened and into interlocking association when the door is closed in the frame to resist attempts to pry the door outward from the frame.
    • 一种用于防止门的未经授权的撬动或者从门的平面向内推动门的装置,其中门可枢转地安装在门框中的铰链上,门和门框架各自具有内表面,包括第一构件,包括第一构件 底座,用于安装到门框的内表面并且在其上形成有从基部朝向门的向外的突起,以及用于安装到门的内表面的第二构件,由基座限定的第二构件, 用于附接到内表面,以及从基部向上延伸并远离基部的主体,其中形成有向着朝向突出部朝外的凹部,并且当门被打开和关闭时被布置成与门一起枢转并且朝向突起,其中, 当门打开时,第一和第二构件布置成彼此远离的枢转运动,并且当门在框架中关闭以抵抗尝试撬动时的互锁关联 门从框架外面。
    • 26. 发明授权
    • Leg holding and positioning device
    • 腿部固定和定位装置
    • US4717133A
    • 1988-01-05
    • US848399
    • 1986-03-10
    • Michael J. WalshAlexander E. Churches
    • Michael J. WalshAlexander E. Churches
    • A61G13/12A61G13/00
    • A61G13/12A61G13/0063A61G13/101A61G13/1245A61G13/1295
    • A leg holding and positioning device for use in surgical operative procedures comprising a housing (10) which is adapted for attachment to the rail (12) of an operating table (not shown) by means of a member (11) and a clamp (13) the housing having projecting from it a shaft (14) which is connected to a viscous damper or other device within the casing (10) to control rotation of the shaft (14), such device being associated with the control knob (18) whereby the shaft may be fixed in any one of a number of rotated positions. A member (25) is attached to one end of the shaft (14) and in use lies alongside the operative leg of a person on the operating table, the leg being secured to the member (25) by means of the bracket (32) and straps (35) and (36). The member (25) is preferably also capable of rotation about a virtual center at a point constituting the approximate center of a hib joint of a person on the operating table by means of pivotal movement between the member (25) and the shaft (14) and is arranged to be releasably secured in any of a plurality of rotated positions by means of holes arranged in an arc on the member (25) and engageable by a pin (28) passing through the shaft (14). Movement of the device involving rotation of the rotatable shaft (14) corresponds to the flexion or extension of the hip joint and movement of the second member (25) about the said virtual center corresponds to the abduction or adduction of the hip joint.
    • PCT No.PCT / AU85 / 00154 Sec。 371日期:1986年3月10日 102(e)1986年3月10日PCT PCT。1985年7月15日PCT公布。 第WO86 / 00521号公报 日本1986年1月30日。一种用于手术操作程序的腿部保持和定位装置,包括壳体(10),其适于通过构件(未示出)附接到操作台(未示出)的轨道(12) 壳体具有从其突出的轴(14),该轴(14)连接到壳体(10)内的粘性阻尼器或其他装置,以控制轴(14)的旋转,该装置与 控制旋钮(18),由此轴可以固定在多个旋转位置中的任何一个中。 构件(25)附接到轴(14)的一端,并且使用中位于操作台上的人的操作腿旁边,腿通过支架(32)固定到构件(25) 和带(35)和(36)。 优选地,构件(25)还能够通过构件(25)和轴(14)之间的枢转运动,在构成操作台上的人的起重接头的大致中心的点处围绕虚拟中心旋转, 并且被布置成通过布置在所述构件(25)上的弧中的孔并且可以通过穿过所述轴(14)的销(28)接合的多个旋转位置中的任何一个被可释放地固定。 涉及旋转轴(14)的旋转的装置的运动对应于髋关节的屈曲或伸展,并且第二构件(25)围绕所述虚拟中心的运动对应于髋关节的外展或内收。
    • 27. 发明授权
    • Combined riblet and lebu drag reduction system
    • 组合肋和雷布减阻系统
    • US4706910A
    • 1987-11-17
    • US686959
    • 1984-12-27
    • Michael J. WalshJohn B. AndersJerry N. Hefner
    • Michael J. WalshJohn B. AndersJerry N. Hefner
    • B64C21/10
    • B64C21/10Y02T50/166Y02T70/121
    • The invention is a system of flow control devices which result in reduced skin friction on aerodynamic and hydrodynamic surfaces. The devices cause a breakup of large-scale disturbances in the boundary layer of the flow field. Referring to FIGS. 1 and 2, the riblet device 10 acts to reduce disturbances near the boundary layer wall by the use of longitudinal striations forming vee-shaped grooves. These grooves are dimensional on the order of the wall vortices and turbulent burst dimensions 31 depicted in FIG. 3. The large-eddy breakup device 41, depicted in FIGS. 4 and 5, is a small strip or airfoil which is suspended in the upper region of the boundary layer. Various physical mechanisms cause a disruption of the large-scale vortices. The combination of the devices of this invention result in a substantial reduction in skin friction drag.
    • 本发明是一种流量控制装置的系统,其导致空气动力学和流体动力学表面上的皮肤摩擦力降低。 这些装置导致流场边界层中大规模干扰的破裂。 参见图 如图1和图2所示,肋状装置10用于通过使用形成vee形槽的纵向条纹来减小边界层壁附近的干扰。 这些凹槽是图4中所示的壁旋涡和湍流爆发尺寸31的量级的尺寸。 图1和图2所示的大涡状分解装置41。 如图4和图5所示,是悬挂在边界层的上部区域中的小条或翼型。 各种物理机制导致大规模旋涡的破坏。 本发明的装置的组合导致皮肤摩擦阻力的显着降低。