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    • 1. 发明授权
    • Signal analysis receiver with acousto-optic delay lines
    • 具有声光延迟线的信号分析接收机
    • US4644267A
    • 1987-02-17
    • US742825
    • 1985-06-10
    • James B. Y. TsuiRobert L. Davis
    • James B. Y. TsuiRobert L. Davis
    • G01R23/17G01S3/48H01Q3/26G01R23/16
    • G01S3/48G01R23/17H01Q3/2676
    • The system makes use of an interferometric Bragg cell for the time delays needed by the multiple antenna inputs in an angle-of-arrival (AOA) measurement system, for accurate measurements over wide bandwidths. A signal Bragg cell is modulated with a selected band of the EW signal environment, using a separate transducer coupled to each quadrant antenna element. A reference Bragg cell is modulated with a chirp signal. Coherent light from a laser is split and directed to both the signal cell and the reference cell. The output light beams from the reference Bragg cell and signal Bragg cell are combined and focused onto photo detectors having a one-dimensional array for each quadrant antenna element. The reference and signals are heterodyned at the photo detectors, which results in a channelized spectral output with each channel at the same intermediate frequency (IF). The outputs of the photodetectors are used by a phase comparison unit, cued by a frequency measurement receiver to the correct detectors, to provide the AOA measurement.
    • 该系统利用干涉布拉格单元,用于在到达角度(AOA)测量系统中的多个天线输入所需的时间延迟,以便在宽带宽上精确测量。 使用耦合到每个象限天线元件的单独传感器,用EW信号环境的选定频带来调制信号布拉格单元。 参考布拉格单元用啁啾信号进行调制。 来自激光器的相干光被分离并且被引导到信号单元和参考单元两者。 来自参考布拉格单元和信号布拉格单元的输出光束被组合并聚焦到每个象限天线元件具有一维阵列的光电检测器上。 参考和信号在光电检测器被外差,这导致每个信道在相同中频(IF)下的信道化频谱输出。 光检测器的输出由相位比较单元使用,由频率测量接收器提供给正确的检测器,以提供AOA测量。
    • 2. 发明授权
    • Apparatus for supporting an animal with a seatbelt
    • 用于支撑具有安全带的动物的装置
    • US08739739B2
    • 2014-06-03
    • US13359013
    • 2012-01-26
    • Robert L. Davis
    • Robert L. Davis
    • A01K1/02
    • B60R22/10A01K1/0272B60R2022/006
    • This invention generally relates to an animal or pet restraint apparatus for supporting an animal in a vehicle. The animal restraint apparatus adapted to engage with a vehicle seatbelt assembly having a waist strap portion and a shoulder strap portion. The apparatus is comprised of a flat tubular body having a tubular passage configured for releasably receiving the seatbelt assembly and a means for releasably engaging the back panel portion of the flat tubular body to the lower chest portion of a pet, avoiding the neck area. The present invention and its embodiments provide a means for safely and comfortably transporting a pet in a vehicle.
    • 本发明总体上涉及用于在车辆中支撑动物的动物或宠物约束装置。 适于与具有腰带部分和肩带部分的车辆安全带组件接合的动物约束装置。 该装置包括扁平管状体,该管状通道构造成用于可释放地接收安全带组件,以及用于将扁平管状体的后片部分可释放地接合到宠物的下胸部的装置,以避免颈部区域。 本发明及其实施例提供了一种用于在车辆中安全和舒适地运输宠物的装置。
    • 3. 发明授权
    • Doweling jig for woodworking
    • 木工加工夹具
    • US07147412B2
    • 2006-12-12
    • US10458214
    • 2003-06-10
    • Robert L. Davis
    • Robert L. Davis
    • B23B47/28
    • B23B47/288B23B2222/04B23B2222/84B23B2260/004B23B2260/092B23B2270/16Y10T408/563Y10T408/567
    • The invention relates generally to clamping devices and mechanisms which provide versatile and/or accurate coupling between the communicating members. Some embodiments relate to the field of woodworking and a doweling jig therefor having a hinged jaw mechanism to provide improved clamping between the doweling jig and a workpiece. Some embodiments relate to a connection or attachment device having a hinged jaw mechanism for detachably attaching a body portion to a structure or support element. Advantageously, the hinged jaw mechanism compensates for angular variations and irregularity in shape of the workpiece, structure or support. The hinged jaw mechanism desirably provides load bearing substantially over its entire length span.
    • 本发明一般涉及在通信构件之间提供通用和/或精确耦合的夹紧装置和机构。 一些实施例涉及木工领域,其具有铰链夹爪机构以提供在定位夹具和工件之间的改进夹紧的定位夹具。 一些实施例涉及具有用于将主体部分可拆卸地附接到结构或支撑元件的铰接爪机构的连接或附接装置。 有利的是,铰接爪机构补偿工件,结构或支撑件的角度变化和形状的不规则性。 铰链钳爪机构理想地在其整个长度跨度上提供负载承载。
    • 7. 发明授权
    • Polymorphic programmable units employing plural levels of
sub-instruction sets
    • US3983539A
    • 1976-09-28
    • US594668
    • 1975-07-10
    • Ulbe FaberRobert L. DavisDavid A. FisherJoseph D. McGonagle
    • Ulbe FaberRobert L. DavisDavid A. FisherJoseph D. McGonagle
    • G06F9/22G06F9/24G06F9/40G06F9/06
    • G06F9/4425G06F9/223G06F9/24
    • This disclosure relates to a programmable unit employing plural levels of sub-instruction sets in addition to conventional instruction sets. The conventional level of instruction sets is employed to specify computational routines and other processing algorithms to be carried out by the unit. Each instruction in a conventional set is implemented in the unit by a sequence of first level sub-instructions which specify the various operations to be carried out within the unit which operations are comprised within the specific routine. In turn, the various first level sub-instructions are implemented by second level sub-instructions which specify the various control signals required to set the various gates as required for the particular unit operation to be carried out. With this hierarchy of sub-instruction sets, first level sub-instruction sets may be interchanged dynamically during the operation of the unit to dynamically change the processing capability of the unit. This eliminates the requirement for any special logic circuitry to accommodate particular computational routines and allows the arithmetic logic unit to be designed as multiples of the basic logic unit in accordance with particular desired data path widths. A manner is disclosed by which the interchanging of first level sub-instruction sets provides for placing the unit in different control modes such as input-output control or processing control. A manner is also disclosed by which interchanging of different first level sub-instruction sets accommodates the execution of programs written in different program language forms.
    • 9. 发明授权
    • Post-ophthalmologic procedure lenses and methods
    • 眼科后期镜片和方法
    • US06811256B1
    • 2004-11-02
    • US10010242
    • 2001-12-06
    • Paul Douglas BechererRobert L. Davis
    • Paul Douglas BechererRobert L. Davis
    • G02C704
    • G02C7/16
    • Contact lens designed to ameliorate undesired effects of ophthalmological procedures or trauma. In one embodiment, the lens includes a clear center for positioning over the center of a dilated pupil with a surrounding darkened zone to restrict the entry of light into pupil. In another embodiment, the lens includes a corrective anterior curvature and a zoned posterior curvature having a substantially flat central area and an adjacent zone of the same or shorter radius of curvature designed to align with a post-refractive cornea curvature to correct refractive light and to focus the light on the retina in unsuccessful refractive surgery and not collapse or wrinkle on the cornea.
    • 设计用于改善眼科手术或创伤的不良影响的隐形眼镜。 在一个实施例中,透镜包括透明中心,用于定位在具有周围变暗区域的扩张瞳孔的中心上方,以限制光入射到瞳孔中。 在另一个实施例中,透镜包括校正前曲率和分区后曲率,其具有基本上平坦的中心区域和相同或较短曲率半径的相邻区域,设计成与后折射角膜曲率对准以校正折射光,并且 将光聚焦在不成功的屈光手术的视网膜上,而不会在角膜上崩溃或起皱。