Temperature control device with a passive thermal feedback control valve
    1.
    发明授权
    Temperature control device with a passive thermal feedback control valve 有权
    带有被动热反馈控制阀的温度控制装置

    公开(公告)号:US09181933B2

    公开(公告)日:2015-11-10

    申请号:US13710052

    申请日:2012-12-10

    IPC分类号: F01B29/10 F03G7/06

    CPC分类号: F03G7/065 Y10T29/49826

    摘要: A device, comprising a flow controller. The flow controller includes a body having walls that define a channel within the body, and a passive flow control valve. The passive control valve has a moveable member that includes a thermal shape memory material, the moveable member configured to change an aperture size in the channel in response to a reversible temperature-induced shape transformation of the thermal shape memory material.

    摘要翻译: 一种装置,包括流量控制器。 流量控制器包括具有限定主体内的通道的壁的主体和被动流量控制阀。 被动控制阀具有包括热形状记忆材料的可移动构件,可移动构件被配置成响应于热形状记忆材料的可逆温度引起的形状变换而改变通道中的孔径尺寸。

    Radial optical coupler
    2.
    发明授权
    Radial optical coupler 有权
    径向光耦合器

    公开(公告)号:US09162404B2

    公开(公告)日:2015-10-20

    申请号:US13041366

    申请日:2011-03-05

    申请人: Christopher Doerr

    发明人: Christopher Doerr

    摘要: An optical device includes an optical grating coupler and a plurality of optical waveguides coupled thereto. The optical grating coupler is formed along a planar surface of a substrate, and includes a pattern formed by ridges concentrically located on the surface about a center thereon. Each adjacent pair of ridges is separated by a groove. Each waveguide of the plurality of waveguides is oriented about radially with respect to the center, and has a first end that terminates near an outermost one of the ridges. The first ends are about uniformly spaced along the outermost one of the ridges.

    摘要翻译: 光学装置包括光栅耦合器和耦合到其上的多个光波导。 光栅耦合器沿着衬底的平面形成,并且包括由其周围同心地位于表面上的脊形成的图案。 每个相邻的一对脊由凹槽分开。 多个波导的每个波导相对于中心径向定向,并且具有在脊的最外面的一个附近终止的第一端。 第一端围绕脊的最外面一个均匀间隔开。

    Frame/symbol synchronization in coherent optical OFDM
    3.
    发明授权
    Frame/symbol synchronization in coherent optical OFDM 有权
    相干光OFDM中的帧/符号同步

    公开(公告)号:US09036999B2

    公开(公告)日:2015-05-19

    申请号:US13194347

    申请日:2011-07-29

    摘要: One aspect provides an optical communication system. The system includes an optical-to-digital converter, a frequency estimator and a symbol synchronizer. The optical-to-digital converter is configured to receive an optical OFDM bit stream including an OFDM symbol bearing payload data and a symbol header preceding the OFDM payload data. The frequency estimator is configured to determine a carrier frequency offset of the payload data from the symbol header. The symbol synchronizer is configured to determine a starting location of the payload data within the bit stream by cross-correlating a synchronization pattern within the symbol header with a model synchronization pattern stored by the symbol synchronizer.

    摘要翻译: 一个方面提供一种光通信系统。 该系统包括光数字转换器,频率估计器和符号同步器。 光数字转换器被配置为接收包括在OFDM有效载荷数据之前带有有效载荷数据和符号标题的OFDM符号的光OFDM位流。 频率估计器被配置为确定来自符号头部的有效载荷数据的载波频率偏移。 符号同步器被配置为通过将符号头部内的同步模式与由符号同步器存储的模型同步模式相互相关来确定位流内的有效载荷数据的起始位置。

    Multi-core optical fiber coupler
    6.
    发明授权
    Multi-core optical fiber coupler 有权
    多芯光纤耦合器

    公开(公告)号:US08837878B2

    公开(公告)日:2014-09-16

    申请号:US13216790

    申请日:2011-08-24

    申请人: Long Chen Po Dong

    发明人: Long Chen Po Dong

    摘要: An optical device comprising a multi-core optical fiber coupler. The multi-core optical fiber coupler includes a substrate having a planar surface and turning mirrors located along the planar surface, each of the turning mirrors having a reflective surface oriented to change a direction of light between a direction that is parallel to the planar surface and a direction that is substantially non-parallel to the planar surface. The turning mirrors form a lateral pattern along the planar surface, the lateral pattern being configured to approximately match a pattern of optical cores in a multi-core optical fiber whose end segment faces the pattern and is positioned substantially normal to the planar surface of the substrate.

    摘要翻译: 一种包括多芯光纤耦合器的光学装置。 多芯光纤耦合器包括具有平坦表面的基板和沿着平坦表面设置的转向镜,每个转向镜具有反射表面,其被定向成在平行于平面的方向上改变光的方向;以及 基本上不平行于平面的方向。 转向镜沿着平坦表面形成横向图案,该横向图形被配置为与多芯光纤中的光纤芯线的图案近似匹配,其多个端部段面向图案并且基本垂直于基板的平面表面 。

    Optical time domain reflectometry for multiple spatial mode fibers
    7.
    发明授权
    Optical time domain reflectometry for multiple spatial mode fibers 有权
    多空间模式光纤的光时域反射测量

    公开(公告)号:US08774574B2

    公开(公告)日:2014-07-08

    申请号:US13477341

    申请日:2012-05-22

    IPC分类号: G02B6/26 H04B10/13

    摘要: An apparatus includes an N×1 spatial mode multiplexer, an optical source and an optical receiver. The spatial mode multiplexer has N input ports and an output port end-couplable to a multimode optical fiber. The multiplexer is configured to preferentially couple light between individual ones of the input ports and corresponding spatial optical modes of the multimode optical fiber. The optical source is connected to a first one of the input ports to launch an optical probe pulse into the fiber. The optical receiver is connected to electrically analyze an optical signal backscattered from the multimode optical fiber and output by a second one of the input ports in response to the launch of the optical probe pulse into the fiber.

    摘要翻译: 一种装置包括N×1空间模式多路复用器,光源和光接收器。 空间模式多路复用器具有N个输入端口和与多模光纤端口可耦合的输出端口。 多路复用器被配置为优先耦合各个输入端口之间的光以及多模光纤的对应的空间光学模式。 光源连接到第一个输入端口,以将光学探针脉冲发射到光纤中。 光接收器被连接以响应于将光学探针脉冲发射到光纤中而电耦合从多模光纤反向散射的光信号并由第二输入端口输出。

    Optical coupler
    8.
    发明授权
    Optical coupler 有权
    光耦合器

    公开(公告)号:US08699836B2

    公开(公告)日:2014-04-15

    申请号:US12498702

    申请日:2009-07-07

    IPC分类号: G02B6/34 G02B6/10

    摘要: An optical device comprising a substrate having a planar surface and having an optical core thereon. The device also comprises a two-dimensional grating located in the optical core, said two-dimensional grating being formed by a regular two-dimensional pattern of light-refractive structures, one of said light-refractive structures being located at each node of a regular 2D lattice located in a laterally bounded region. The device also comprises first and second optical waveguides being on the planar substrate and having ends end-coupled to the two-dimensional grating, the first optical waveguide being such that a direction of propagation near the end thereof is substantially along a primitive lattice vector of said 2D lattice, the second optical waveguide being such that a direction of propagation near the end thereof is not-parallel to a primitive lattice vector of said regular 2D lattice.

    摘要翻译: 一种光学装置,包括具有平坦表面并且在其上具有光学芯的基板。 该装置还包括位于光学核心中的二维光栅,所述二维光栅由光折射结构的规则二维图案形成,所述光折射结构之一位于规则的每个节点处 2D晶格位于横向有界区域中。 该装置还包括第一和第二光波导在平面衬底上并且具有端部耦合到二维光栅的端部,第一光波导使得其端部附近的传播方向基本上沿着原始晶格矢量 所述2D晶格,所述第二光波导使得其端部附近的传播方向不平行于所述常规2D晶格的原始晶格矢量。

    Dedicated dehumidifier and water heater
    9.
    发明授权
    Dedicated dehumidifier and water heater 有权
    专用除湿机和热水器

    公开(公告)号:US08689574B2

    公开(公告)日:2014-04-08

    申请号:US12862901

    申请日:2010-08-25

    申请人: Robert Uselton

    发明人: Robert Uselton

    IPC分类号: F25D17/02

    摘要: The disclosure provides an apparatus for heating water and dehumidifying air and a water heating and air processing system. In one embodiment, the apparatus includes: (1) a refrigeration circuit including an evaporator, a first condenser and a compressor, (2) a refrigerant-water heat exchanger having a second condenser fluidly coupled to the refrigeration circuit and (3) a control valve operatively connected to the refrigeration circuit to either direct flow of the refrigerant through the first condenser during a dehumidification mode or through the second condenser during a water heating mode.

    摘要翻译: 本公开提供了一种用于加热水和除湿空气以及水加热和空气处理系统的设备。 在一个实施例中,该装置包括:(1)包括蒸发器,第一冷凝器和压缩机的制冷回路,(2)具有流体耦合到制冷回路的第二冷凝器的制冷剂 - 水热交换器,以及(3) 阀可操作地连接到制冷回路,以在除湿模式期间引导制冷剂流过第一冷凝器,或者在水加热模式期间通过第二冷凝器。

    Photonic integrated circuit with a waveguide crossing structure
    10.
    发明授权
    Photonic integrated circuit with a waveguide crossing structure 有权
    具有波导交叉结构的光子集成电路

    公开(公告)号:US08644661B2

    公开(公告)日:2014-02-04

    申请号:US13308006

    申请日:2011-11-30

    IPC分类号: G02B6/26 G02B6/42

    CPC分类号: G02B6/125

    摘要: A photonic integrated circuit comprises a plurality of optical waveguides. Some waveguides cross some other waveguides at respective crossing locations. Some waveguides have varying widths wherein a width of a waveguide at a respective crossing location is smaller than the wavelength of the optical signal.

    摘要翻译: 光子集成电路包括多个光波导。 一些波导在相应的交叉位置处交叉一些其它波导。 一些波导具有变化的宽度,其中在相应交叉位置的波导的宽度小于光信号的波长。