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    • 52. 发明授权
    • Apparatus and method using wavefront phase measurements to determine geometrical relationships
    • 使用波前相位测量来确定几何关系的装置和方法
    • US06982678B2
    • 2006-01-03
    • US10817400
    • 2004-04-02
    • Thomas L. ObertKenneth W. BrownAlan A. RattrayJohn GerstenbergJames R. Gallivan
    • Thomas L. ObertKenneth W. BrownAlan A. RattrayJohn GerstenbergJames R. Gallivan
    • H01Q13/00
    • H01Q3/30H01Q3/26
    • An apparatus includes a microwave source that produces a microwave feed beam, and a first pair of microwave sensors that each intercept and receive a portion of the microwave feed beam. The two microwave sensors are spaced apart from each other along a first-pair axis. A first phase-comparison device has as it inputs the output signals of the two microwave sensors, and as an output a first phase comparison of the first-sensor output signal and the second-sensor output signal. A first geometrical calculator has as an input the first phase comparison and as an output a geometrical relationship of the first-pair axis to an other feature. This geometrical relationship output may be used to generate a control signal that is used to alter the geometrical relationship. There may be additional microwave sensors operating in a similar manner but spaced to provide information for other geometrical axes or allow improvements in geometrical measurements.
    • 一种装置包括产生微波馈入光束的微波源和分别拦截并接收微波馈入光束的一部分的第一对微波传感器。 两个微波传感器沿着第一对轴线彼此间隔开。 第一相位比较装置输入两个微波传感器的输出信号,作为第一传感器输出信号和第二传感器输出信号的第一相位比较输出。 第一几何计算器具有作为第一相位比较的输入和作为输出的第一对轴与另一特征的几何关系。 该几何关系输出可用于产生用于改变几何关系的控制信号。 可能有其他微波传感器以类似的方式运行,但间隔开以提供其他几何轴的信息或允许改进几何测量。
    • 53. 发明授权
    • Common aperture reflector antenna with improved feed design
    • 普通孔径反射天线,具有改进的进料设计
    • US06295034B1
    • 2001-09-25
    • US09514061
    • 2000-02-25
    • Kenneth W. BrownThomas A. Drake
    • Kenneth W. BrownThomas A. Drake
    • H01Q1914
    • H01Q19/17H01Q3/2658H01Q5/45H01Q19/027
    • A common aperture reflector antenna and feed are provided for use in common aperture sensor systems. The feed includes an array of individual elements. The array elements are configured to increase the overall efficiency of a reflector antenna by flattening the aperture illumination, and also by nullifying the illumination within the centrally-blocked-portion of the reflector antenna surface. More specifically, the array elements are carefully configured with respect to spacing and excitation, for example, such that the array illuminates only the non-blocked portion of the main reflector. In addition, the array pattern is optimized such that the non-blocked portion of the reflector antenna is quasi-uniformly illuminated.
    • 公共孔径反射器天线和馈电被提供用于公共孔径传感器系统中。 饲料包括一系列单独的元素。 阵列元件被配置为通过使孔径照明变平,以及通过使反射器天线表面的中心阻挡部分内的照明无效来增加反射器天线的整体效率。 更具体地,阵列元件相对于间隔和激励被仔细配置,例如,使得阵列仅照亮主反射器的未阻挡部分。 此外,阵列图案被优化,使得反射器天线的非阻挡部分被准均匀照明。
    • 55. 发明授权
    • High power broadband coaxial balun
    • 大功率宽带同轴平衡 - 不平衡转换器
    • US5977842A
    • 1999-11-02
    • US108688
    • 1998-07-01
    • Kenneth W. BrownJames R. GallivanDavid R. Sar
    • Kenneth W. BrownJames R. GallivanDavid R. Sar
    • H01P5/10
    • H01P5/10
    • A broadband, high power balun which includes plural sets of first and second coaxial cables. Each cable has a center conductor and a shield conductor. Each shield conductor of each cable within each set is connected to a shield conductor of the other coaxial cable of the set. The first input lead is connected to a first end of a center conductor of a first coaxial cable of each set. The second input lead is connected to a first end of a center conductor of a second coaxial cable of each set. A second end of a center conductor of a first coaxial cable of a set of coaxial cables provides an output lead for the balun. A second end of a center conductor of a second coaxial cable of a set of coaxial cables provides an output lead for the balun. A second end of each remaining center conductor of each coaxial cable of each set of coaxial cables is connected to a second end of a center conductor of a coaxial cable of another set of coaxial cables. The inventive balun design allows for larger center conductors and lower characteristic impedances than conventional baluns. This permits impedance matching across a broad bandwidth at high power levels.
    • 一种宽带,大功率平衡 - 不平衡转换器,包括多组第一和第二同轴电缆。 每个电缆都有一个中心导体和一个屏蔽导体。 每组中每条电缆的每个屏蔽导体连接到该组的另一个同轴电缆的屏蔽导体。 第一输入引线连接到每组的第一同轴电缆的中心导体的第一端。 第二输入引线连接到每组的第二同轴电缆的中心导体的第一端。 一组同轴电缆的第一同轴电缆的中心导体的第二端为平衡 - 不平衡转换器提供输出引线。 一组同轴电缆的第二同轴电缆的中心导体的第二端为平衡 - 不平衡转换器提供输出引线。 每组同轴电缆的每个同轴电缆的每个剩余中心导体的第二端连接到另一组同轴电缆的同轴电缆的中心导体的第二端。 本发明的平衡 - 不平衡变压器设计允许比传统的不平衡变换器更大的中心导体和更低的特性阻 这允许在高功率电平下在宽带宽上进行阻抗匹配。
    • 57. 发明授权
    • Phototypesetting system and method
    • 照片排版系统和方法
    • US4338673A
    • 1982-07-06
    • US181808
    • 1980-08-27
    • Kenneth W. Brown
    • Kenneth W. Brown
    • B41B19/01G09G1/10G06F3/153G06F15/20
    • G09G1/10B41B19/01
    • A method and system for use in phototypesetting. A type font character is scanned and character data representative of the font character is generated. The scan data is encoded in accordance with a first predetermined sequence of steps to have the form of an ordered succession of code words. The stored encoded font data is processed in conjunction with character selection control signals to specify a line-to-be-typeset. The selected character data is decoded in accordance with a second predetermined sequence of steps. The first (encoding) and second (decoding) sequences of steps are related so that the format of the stored encoded data is specifically ordered so that it may be utilized in the decoding process as that data is presented. The decoded selected character data is then converted to video signals for an output cathode ray tube. The decoding sequence may be performed to generate stroke signals for the output cathode ray tube (CRT) of a conventional phototypesetting system during the corresponding strokes in the raster pattern of that output CRT operation. The encoding sequence of steps is adapted so that the decoding sequence may be selectively modified to provide selective scaling of the reproduction of the selected characters.
    • 用于照片排版的方法和系统。 扫描字体字体,生成表示字体字符的字符数据。 扫描数据根据第一预定的步骤序列进行编码以具有有序序列的代码字的形式。 存储的已编码字体数据与字符选择控制信号一起被处理以指定一个要排序的行。 所选择的字符数据根据第二预定步骤顺序进行解码。 第一(编码)和第二(解码)步骤序列相关联,使得存储的编码数据的格式被特别排序,使得它可以在解码过程中被用于显示数据。 然后将解码的所选择的字符数据转换成用于输出阴极射线管的视频信号。 可以执行解码序列,以在该输出CRT操作的光栅图案中的相应笔画期间产生用于常规照片排版系统的输出阴极射线管(CRT)的笔画信号。 步骤的编码序列被适配,使得可以选择性地修改解码序列以提供所选字符的再现的选择性缩放。
    • 58. 发明授权
    • Multiple E-probe waveguide power combiner/divider
    • 多个E-probe波导功率组合器/分频器
    • US09030268B2
    • 2015-05-12
    • US13103443
    • 2011-05-09
    • Nicholas J. KoliasKenneth W. Brown
    • Nicholas J. KoliasKenneth W. Brown
    • H01P5/12H03F3/04H01P3/00H01P5/10
    • H01P5/12H01L2924/1903H01P3/00H01P5/10H03F3/04
    • A power combiner/divider having a waveguide, a plurality of amplifiers disposed on a supporting structure, a plurality of probes, each one having a first end electrically coupled to an output of a corresponding one of the plurality of amplifiers and a second end projecting outwardly from the supporting structure and into the waveguide. The probes are disposed in a common region of the waveguide. The region has a common electric field maximum within the waveguide. A first portion of the probes proximate the sidewalls have lengths different from a second portion of the probes disposed in a region distal from the sidewalls of the waveguide. The waveguide is supported by the support structure. The power combiner is a monolithic microwave integrated circuit structure.
    • 一种具有波导的功率组合器/分压器,设置在支撑结构上的多个放大器,多个探针,每个探针具有电耦合到多个放大器中对应的一个放大器的输出的第一端和向外突出的第二端 从支撑结构到波导。 探针设置在波导的公共区域中。 该区域在波导内具有最大的共同电场。 靠近侧壁的探针的第一部分具有不同于设置在远离波导侧壁的区域中的探针的第二部分的长度。 波导由支撑结构支撑。 功率组合器是单片微波集成电路结构。
    • 59. 发明授权
    • Corn cob cleaning conveyor system
    • 玉米芯清洗输送系统
    • US08286798B2
    • 2012-10-16
    • US12850744
    • 2010-08-05
    • Jonathan E. RickettsJohn J. BorsdorfKenneth W. BrownJoshua D. WerningTyler Nelson
    • Jonathan E. RickettsJohn J. BorsdorfKenneth W. BrownJoshua D. WerningTyler Nelson
    • A01F12/48B07B11/00
    • A01D45/028
    • The cob cleaning conveyor system provides a capability for positively removing or cleaning lighter crop residue from a flow of cobs. The system can be incorporated with a cob collection device, such as on a trailer, and can be adjustable in several ways for accommodating varying corn varieties, conditions and the like. The system includes a first conveyor which propels the flow into a gap or passage toward a second conveyor, while a flow of air is directed downwardly through the passage to remove or clean the lighter residue material from the cobs. The angle of attack of the air flow can be selectable, and optionally be directed downwardly along the second conveyor to the passage, and upwardly along the second conveyor to travel with or follow the residue flow, to suit present conditions.
    • 芯棒清洁输送系统提供了一种从碳氢化合物流中积极去除或清除更轻的作物残留物的能力。 该系统可以与诸如拖车之类的cob收集装置结合,并且可以以多种方式调节以适应不同的玉米品种,条件等。 该系统包括第一输送机,该第一输送机将流动推入到第二输送机的间隙或通道中,同时空气流向下引导通过该通道,以将更轻的残留物质从该齿轮上移除或清洁。 可以选择气流的迎角,并且可任选地沿着第二输送机向下指向通道,并且沿着第二输送机向上指引以与残留物流一起行进或跟随残留物流,以适合现有条件。