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41. 发明授权

US06661562B2 Optical modulator and method of manufacture thereof 有权
公开(公告)号：US06661562B2
公开(公告)日：2003-12-09
申请号：US09932218
申请日：2001-08-17
申请人： James A. Walker
发明人： James A. Walker
IPC分类号： G02B2600
CPC分类号： G02B26/02 , G02B26/001
摘要： An optical modulator having an optical modulator window coupled to a substrate and a method of manufacture thereof. In one embodiment, the optical modulator includes at least one drive electrode that adjusts a portion of the optical modulator window to attenuate light passing therethrough. The optical modulator further includes a sense element configured to measure a characteristic associated with the optical modulator window.

42. 发明授权

US06178284B1 Variable single-mode attenuators by spatial interference 有权
标题翻译：可变单模衰减器通过空间干扰
公开(公告)号：US06178284B1
公开(公告)日：2001-01-23
申请号：US09163581
申请日：1998-09-30
申请人： Ernest E. Bergmann , Joseph E. Ford , James A. Walker
发明人： Ernest E. Bergmann , Joseph E. Ford , James A. Walker
IPC分类号： G02B2602
CPC分类号： G02B6/266 , G02B6/3512 , G02B6/357 , G02B6/3584 , G02B6/3594
摘要： An optical attenuator is disclosed that utilizes the concept of destructive and constructive interference to enhance the ability to attenuate the light signal sent between an optical transmitter and an optical receiver. Rather than completely blocking out a portion of the light signal or utilizing a membrane coated with a partially reflecting material, the present invention utilizes a very high reflectivity coating on divided surfaces, and controls the relative distances between each of the divided surfaces and the optical transmitter/receiver.
摘要翻译：公开了一种利用破坏性和建设性干扰的概念的光衰减器来增强衰减在光发射器和光接收器之间发送的光信号的能力。本发明不是完全遮挡光信号的一部分或者利用涂覆有部分反射材料的膜，而是在分开的表面上使用非常高的反射率涂层，并且控制每个分割表面和光发射器之间的相对距离 /接收器。

43. 发明授权

US5936752A WDM source for access applications 失效
标题翻译：用于访问应用程序的WDM源
公开(公告)号：US5936752A
公开(公告)日：1999-08-10
申请号：US778120
申请日：1997-01-02
申请人： David J. Bishop , Joseph E. Ford , James A. Walker
发明人： David J. Bishop , Joseph E. Ford , James A. Walker
IPC分类号： G02B6/34 , G02B6/42 , H04B10/155 , H04Q11/00 , H04J14/02
CPC分类号： G02B6/12033 , G02B6/12021 , G02B6/4215 , G02B6/424 , G02B6/4245 , G02B6/4246 , H04B10/506 , G02B6/4249 , H04Q2011/0016 , H04Q2011/0026
摘要： The present invention provides an apparatus and method for a single-source wavelength division multiplexed (WDM) signal. According to the invention, light from a broad wavelength bandwidth or multiwavelength source is delivered, over one or more input optical fibers, to a device for spatially separating the light into a plurality of spectral components each having a different wavelength. The device further directs the spectral components along separate optical paths. A modulator array is provided containing a plurality of optical modulators spaced to each receive one of the different spectral components. Information is encoded on each spectral component through the action of each modulator. The encoded spectral components originating from a given input fiber are combined to generate a multiplexed optical signal.
摘要翻译：本发明提供了一种用于单源波分复用（WDM）信号的装置和方法。根据本发明，来自宽波长带宽或多波长源的光通过一个或多个输入光纤传送到用于将光空间分离成多个具有不同波长的光谱分量的装置。该装置进一步引导沿分开的光路的光谱分量。提供了一种调制器阵列，其包含多个光学调制器，每个光学调制器间隔开每个接收不同频谱分量之一。通过每个调制器的动作在每个频谱分量上编码信息。来自给定输入光纤的编码频谱分量被组合以产生复用的光信号。

44. 发明授权

US5589974A Micromechanical modulator 失效
标题翻译：微机械调制器
公开(公告)号：US5589974A
公开(公告)日：1996-12-31
申请号：US479476
申请日：1995-06-07
申请人： Keith W. Goossen , James A. Walker
发明人： Keith W. Goossen , James A. Walker
IPC分类号： G02B26/00 , G02B26/02
CPC分类号： G02B26/02 , G02B26/001
摘要： A method and apparatus for modulating an optical signal, and a method for fabricating such an apparatus. The modulator comprises a membrane having at least one layer, and a substrate, spaced to form a air gap. The membrane is suspended in a first position over the substrate by a flexible support arrangement such that the size of the air gap may vary. The layers of the membrane are formed so that the refractive indices of such layers have a particular relationship to the refractive index of the substrate, and have a particular thickness. Bias is applied to the membrane and the substrate to create a force that causes the membrane to change its position relative to the substrate, causing the size of the air gap to change. The reflectivity of the device to an optical signal varies as the size of the air gap changes.
摘要翻译：一种用于调制光信号的方法和装置及其制造方法。调制器包括具有至少一个层的膜和间隔开以形成气隙的衬底。膜通过柔性支撑装置悬挂在衬底上的第一位置，使得气隙的尺寸可以变化。膜的层被形成为使得这些层的折射率与衬底的折射率具有特定关系，并且具有特定的厚度。将偏压施加到膜和基底以产生使膜相对于基底改变其位置的力，导致气隙的尺寸改变。器件对光信号的反射率随气隙尺寸的变化而变化。

45. 发明授权

US5589404A Monolithically integrated VLSI optoelectronic circuits and a method of fabricating the same 失效
标题翻译：单片集成VLSI光电子电路及其制造方法
公开(公告)号：US5589404A
公开(公告)日：1996-12-31
申请号：US284026
申请日：1994-08-01
申请人： John E. Cunningham , Keith W. Goossen , William Y. Jan , Rajiv N. Pathak , James A. Walker
发明人： John E. Cunningham , Keith W. Goossen , William Y. Jan , Rajiv N. Pathak , James A. Walker
IPC分类号： G02F1/015 , H01L27/144 , H01L27/15 , H03K19/0952 , H01L31/18
CPC分类号： H01L27/15 , H01L27/1443 , Y10S438/974
摘要： A monolithically integrated, optoelectronic VLSI circuit is fabricated by growing optical devices on the compound semiconductor surface of a VLSI chip or wafer having pre-existing electronic devices formed thereon. In accordance with an illustrative embodiment of the present invention, a large array of surface normal optical modulating devices such as multiple quantum well modulators is grown on an impurity free surface of a VLSI chip having an array of FETs already provided thereon. The growth of such devices takes place at temperatures below 430.degree. C. on a compound semiconductor surface which has a highly ordered atomic structure. An optoelectronic switch constructed in this manner is capable of addressing electronic chips in systems handling 10,000 or more input/output optical beams.
摘要翻译：通过在其上形成有预先存在的电子器件的VLSI芯片或晶片的化合物半导体表面上生长光学器件来制造单片集成的光电VLSI电路。根据本发明的说明性实施例，在具有已经提供在其上的FET阵列的VLSI芯片的无杂质表面上生长诸如多量子阱调制器的大量表面法向光调制器件阵列。在具有高度有序原子结构的化合物半导体表面上，这种器件的生长发生在低于430℃的温度下。以这种方式构造的光电开关能够在处理10,000个或更多个输入/输出光束的系统中寻址电子芯片。

46. 发明授权

US5448859A Concealed services module 失效
标题翻译：隐蔽服务模块
公开(公告)号：US5448859A
公开(公告)日：1995-09-12
申请号：US230450
申请日：1994-04-20
申请人： James A. Walker , Taylor C. Culpepper
发明人： James A. Walker , Taylor C. Culpepper
IPC分类号： A61G12/00 , H02G3/12 , E04F17/08 , G09F7/20
CPC分类号： H02G3/123 , H02G3/286
摘要： A concealed services module comprising a frame, service outlets mounted on the frame and a picture assembly. The frame preferably is installed inside a wall so that only the service outlets are exposed, and the picture assembly is mounted over the outlets to conceal them. The picture assembly also may be mounted over existing service outlets in a wall. The picture assembly is slidably mounted for up and down movement, and includes a device such as a counterbalancing mechanism to retain it in the up position.
摘要翻译：隐藏的服务模块包括框架，安装在框架上的服务插座和图片组件。框架优选地安装在墙壁内，使得只有服务出口被暴露，并且图片组件安装在出口上以隐藏它们。图像组件也可以安装在墙壁上的现有服务出口上。图像组件可滑动地安装用于上下移动，并且包括诸如平衡机构的装置以将其保持在向上位置。

47. 发明授权

US4938552A Electrostatic optical fiber switch 失效
标题翻译：静电光纤开关
公开(公告)号：US4938552A
公开(公告)日：1990-07-03
申请号：US311566
申请日：1989-02-15
申请人： Robert W. Jebens , William S. N. Trimmer , James A. Walker
发明人： Robert W. Jebens , William S. N. Trimmer , James A. Walker
IPC分类号： G02B26/08 , G02B6/35 , G02B6/36
CPC分类号： G02B6/357 , G02B6/3502 , G02B6/3548 , G02B6/355 , G02B6/3636 , G02B6/3652
摘要： An electrostatic optical fiber switch. An aperture in the switch housing allows for switching movement of the end of a fiber. This aperture is formed in part by a groove in which the depth and width of the groove increases continuously with distance toward the end of the fiber. This forms a smoothly curving surface for restraining and aligning the switching end of the fiber when the electrostatic field is applied. This arrangement substantially reduces the voltage required to operate the switch by prior electrostatic switches.
摘要翻译：静电光纤开关。开关壳体中的孔径允许切换光纤末端的移动。该孔部分地由凹槽形成，其中凹槽的深度和宽度随着朝向纤维端部的距离而连续增加。当施加静电场时，这形成了用于限制和对准光纤的开关端的平滑弯曲表面。这种布置大大降低了由现有静电开关操作开关所需的电压。

48. 发明授权

US4224279A Reactive gas generator 失效
标题翻译：无功气体发生器
公开(公告)号：US4224279A
公开(公告)日：1980-09-23
申请号：US913918
申请日：1978-06-08
申请人： Wing Tsang , James A. Walker , Douglas W. Cornell
发明人： Wing Tsang , James A. Walker , Douglas W. Cornell
IPC分类号： G01N33/00 , G01N1/22 , G01N1/26
CPC分类号： G01N33/0006 , Y10T436/100833
摘要： A dilute mixture of a large organic parent compound in an inert diluent is formed using a specially designed diffusion cell to control the amount of parent compound that is taken up by the diluent gas. The dilute mixture flows through a hot pyrolyzing tube where the parent compound is decomposed solely and totally by a gas phase unimolecular reaction into equimolar amounts of reactive gas and a stable reaction product. The method produces an internal standard for determining the concentration of the reactive gas since the stoichiometry of the reaction requires that the concentration of the reactive gas be equal to the concentration of the other reaction product, which can be easily calibrated by standard methods.
摘要翻译：使用特别设计的扩散池形成大量有机母体化合物在惰性稀释剂中的稀释混合物，以控制由稀释气体吸收的母体化合物的量。稀释的混合物流经热解热管，其中母体化合物单独分解并完全通过气相单分子反应分解成等摩尔量的反应气体和稳定的反应产物。该方法产生用于确定反应气体浓度的内部标准，因为反应的化学计量要求反应气体的浓度等于其它反应产物的浓度，这可以通过标准方法容易地校准。

49. 发明授权

US09328717B1 Golden ratio axial flow apparatus 有权
标题翻译：金比轴流装置
公开(公告)号：US09328717B1
公开(公告)日：2016-05-03
申请号：US12799141
申请日：2010-04-19
申请人： James A. Walker
发明人： James A. Walker
IPC分类号： F03D3/02 , F03D3/00 , F03D3/06
CPC分类号： F03D3/005 , F03D3/061 , F03D3/065 , F05B2200/23 , F05B2250/14 , F05B2250/15 , F05B2250/712 , Y02E10/74
摘要： A fluid flow rotary driven apparatus includes a support having an axis of rotation and a plurality of elongate, curved rotor wings attached to and extending outwardly from the support. Each wing is attached to the support at an inner end and projects outwardly in a direction transverse to the axis of rotation to a distal end. Each wing includes a convex surface defining a plurality of logarithmic spiral line segments interconnecting the inner and outer ends. Each spiral line segment extends completely within a respective plane transverse to the axis of rotation. The wings are responsive to a fluid flow across the outer surface of the wings for driving the support to turn about the axis of rotation. A rotary transmission device is operably connected to the support and responds to turning of the support for producing an energy output.
摘要翻译：流体流动旋转驱动设备包括具有旋转轴线的支撑件和附接到支撑件并从支撑件向外延伸的多个细长弯曲的转子翼片。每个翼片在内端附接到支撑件并且在与旋转轴线横向的方向上向外突出到远端。每个翼包括限定多个对数螺旋线段的凸起表面，其互连内端和外端。每个螺旋线段在横向于旋转轴线的相应平面内完全延伸。机翼响应于穿过翼的外表面的流体流动，用于驱动支撑件围绕旋转轴线转动。旋转传动装置可操作地连接到支撑件并响应于支撑件的转动以产生能量输出。

50. 发明授权

US08201339B1 Compound bow peep sight system 有权
标题翻译：复合弓窥视系统
公开(公告)号：US08201339B1
公开(公告)日：2012-06-19
申请号：US13068790
申请日：2011-05-20
申请人： James A. Walker
发明人： James A. Walker
IPC分类号： F41G1/467
CPC分类号： F41G1/467
摘要： An exterior surface has a vertical mid-plane and a horizontal aperture there through. An annular recess is provided at the vertical mid-plane. The exterior surface has planar end faces parallel with each other. The horizontal aperture has opposed frusto-conical surfaces with a central axis. The frusto-conical surfaces have interior edges at the vertical mid-plane and exterior edges at the planar end faces. The exterior edges are larger than the interior edges. Coupling grooves extend to opposite sides of the recess. The coupling grooves have a generally semi-circular configuration. The grooves are parallel with each other at an angle with respect to the central axis. The grooves have midpoints spanning the central axis. The coupling grooves are adapted to receive separated strands of draw string.
摘要翻译：外表面具有垂直中间平面和水平孔。在垂直中平面处设置环形凹部。外表面具有彼此平行的平面端面。水平孔具有与中心轴相对的截头圆锥形表面。截头圆锥形表面在平面端面的垂直中间平面和外边缘处具有内边缘。外边缘大于内边缘。耦合槽延伸到凹槽的相对侧。联接槽具有大致半圆形的构造。凹槽相对于中心轴线成一定角度彼此平行。凹槽具有横跨中心轴线的中点。联接槽适于接收分离的拉绳串。

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