Method and apparatus for transmitting and receiving coherent optical OFDM
    2.
    发明授权
    Method and apparatus for transmitting and receiving coherent optical OFDM 有权
    用于发送和接收相干光OFDM的方法和装置

    公开(公告)号:US09270381B2

    公开(公告)日:2016-02-23

    申请号:US13301814

    申请日:2011-11-22

    Abstract: Disclosed are a method and an apparatus for transmitting and receiving coherent optical OFDM. The apparatus includes: a transmitted OFDM digital signal processing unit outputting an in-phase (I) component digital signal and a quadrature phase (Q) component digital signal; a digital-analog converter converting the in-phase (I)-component digital signal and the quadrature-phase (Q)-component digital signal into an in-phase (I)-component analog signal and a quadrature-phase (Q)-component analog signal, respectively; an adder adding an additional pilot tone signal to each of the in-phase (I)-component analog signal and the quadrature-phase (Q)-component analog signal outputted from the digital-analog converter; and an optical I/Q modulator up-converting the in-phase (I)-component analog signal added with the additional pilot tone signal and the quadrature-phase (Q)-component analog signal added with the additional pilot tone signal to an optical domain to output a coherent optical OFDM signal including the additional pilot tone signal.

    Abstract translation: 公开了用于发送和接收相干光OFDM的方法和装置。 该装置包括:发送的OFDM数字信号处理单元,输出同相(I)分量数字信号和正交相位(Q)分量数字信号; 将同相(I)分量数字信号和正交相位(Q))数字信号转换为同相(I)分量模拟信号和正交相位(Q)分量数字信号的数模转换器, 分量模拟信号; 对从数模转换器输出的同相(I)分量模拟信号和正交相(Q))模拟信号中的每一个加上附加导频音信号的加法器; 以及光学I / Q调制器,将添加有附加导频音信号的同相(I)分量模拟信号和加上附加导频音信号的正交相位(Q))模拟信号上变频到光 域以输出包括附加导频音信号的相干光OFDM信号。

    Dynamic range three-dimensional image system
    3.
    发明授权
    Dynamic range three-dimensional image system 有权
    动态范围三维图像系统

    公开(公告)号:US09170333B2

    公开(公告)日:2015-10-27

    申请号:US13334111

    申请日:2011-12-22

    Abstract: Disclosed is a system of a dynamic range three-dimensional image, including: an optical detector including a gain control terminal capable of controlling an optical amplification gain; a pixel detecting module for detecting a pixel signal for configuring an image by receiving an output of the optical detector; a high dynamic range (HDR) generating module for acquiring a dynamic range image by generating a signal indicating a saturation degree of the pixel signal and combining the pixel signal based on the pixel signal detected by the pixel detecting module; and a gain control signal generating module generating an output signal for supplying required voltage to the gain control terminal of the optical detector based on the magnitude of the signal indicating the saturation degree of the pixel signal.

    Abstract translation: 公开了一种动态范围三维图像的系统,包括:光检测器,其包括能够控制光放大增益的增益控制端; 像素检测模块,用于通过接收光学检测器的输出来检测用于配置图像的像素信号; 高动态范围(HDR)生成模块,用于通过产生指示像素信号的饱和度的信号来获取动态范围图像,并且基于由像素检测模块检测的像素信号组合像素信号; 以及增益控制信号生成模块,其基于表示像素信号的饱和度的信号的大小,生成用于向光检测器的增益控制端子提供所需电压的输出信号。

    Method of fabricating avalanche photodiode
    4.
    发明授权
    Method of fabricating avalanche photodiode 有权
    制造雪崩光电二极管的方法

    公开(公告)号:US08592247B2

    公开(公告)日:2013-11-26

    申请号:US13273257

    申请日:2011-10-14

    CPC classification number: H01L31/107 H01L31/184 Y02E10/544

    Abstract: A method includes: forming an epitaxy wafer by growing a light absorbing layer, a grading layer, an electric field buffer layer, and an amplifying layer on the front surface of a substrate in sequence; forming a diffusion control layer on the amplifying layer; forming a protective layer for protecting the diffusion control layer on the diffusion control layer; forming an etching part by etching from the protective layer to a predetermined depth of the amplifying layer; forming a first patterning part by patterning the protective layer; forming a junction region and a guardring region at the amplifying layer by diffusing a diffusion material to the etching part and the first patterning part; removing the diffusion control layer and the protective layer and forming a first electrode connected to the junction region on the amplifying layer; and forming a second electrode on the rear surface of the substrate.

    Abstract translation: 一种方法包括:依次在衬底表面上生长光吸收层,分级层,电场缓冲层和放大层,形成外延晶片; 在放大层上形成扩散控制层; 形成用于保护扩散控制层上的扩散控制层的保护层; 通过从保护层蚀刻到放大层的预定深度来形成蚀刻部分; 通过图案化所述保护层来形成第一图案形成部分; 通过使扩散材料扩散到所述蚀刻部分和所述第一图案形成部分,在所述放大层处形成接合区域和保护区域; 去除扩散控制层和保护层,并形成连接到放大层上的结区的第一电极; 以及在所述基板的后表面上形成第二电极。

    CORE AND OPTICAL WAVEGUIDE
    5.
    发明申请
    CORE AND OPTICAL WAVEGUIDE 审中-公开
    核心和光波导

    公开(公告)号:US20130156362A1

    公开(公告)日:2013-06-20

    申请号:US13611085

    申请日:2012-09-12

    CPC classification number: G02B6/1228 G02B6/126

    Abstract: Provided is a core which reduces optic splice loss between discontinuous optical waveguides. The core includes a first waveguide propagation portion having first light-receiving width, a first lightwave discontinuous portion having second light-receiving width, a first taper structure portion having both ends connected to the first lightwave propagation portion and to the first lightwave discontinuous portion, respectively and decreasing in light-receiving width as it goes from the first lightwave propagation portion to the first lightwave discontinuous portion, a second lightwave propagation portion having third light-receiving width, a second lightwave discontinuous portion having fourth light-receiving width, and a second taper structure portion having both ends connected to the second lightwave propagation portion and to the second lightwave discontinuous portion, respectively and decreasing in light-receiving width as it goes from the second lightwave propagation portion to the second lightwave discontinuous portion.

    Abstract translation: 提供了减少不连续光波导之间的光接头损耗的核心。 该芯包括具有第一光接收宽度的第一波导传播部分,具有第二光接收宽度的第一光波不连续部分,具有连接到第一光波传播部分的两端和第一光波不连续部分的第一锥形结构部分, 分别从第一光波传播部分到第一光波不连续部分的光接收宽度减小,具有第三受光宽度的第二光波传播部分,具有第四光接收宽度的第二光波不连续部分和 第二锥形结构部分,其两端分别连接到第二光波传播部分和第二光波不连续部分,并且随着从第二光波传播部分到第二光波不连续部分的光接收宽度的减小,第二锥形结构部分。

    Adapter assembly and method for compensating optical fibers for length difference
    6.
    发明授权
    Adapter assembly and method for compensating optical fibers for length difference 有权
    用于补偿光纤长度差的适配器组件和方法

    公开(公告)号:US08272789B2

    公开(公告)日:2012-09-25

    申请号:US12788237

    申请日:2010-05-26

    CPC classification number: G02B6/3825 G02B6/3894

    Abstract: Provided are an adapter assembly and method for compensating optical fibers for a length difference. The adapter assembly includes a first adapter, a second adapter, and a member. The first adapter is configured to be connected to at least one optical communication unit. The second adapter is configured to be connected to at least another optical communication unit and be coupled to the first adapter. The member is configured to be interposed between the first and second adapters for providing an optical signal transmission path between the optical communication units. Owing to the member, a length difference between optical fibers can be compensated for.

    Abstract translation: 提供一种用于补偿光纤长度差的适配器组件和方法。 适配器组件包括第一适配器,第二适配器和构件。 第一适配器被配置为连接到至少一个光通信单元。 第二适配器被配置为连接到至少另一个光通信单元并且被耦合到第一适配器。 构件被配置为插入在第一和第二适配器之间,以在光通信单元之间提供光信号传输路径。 由于该构件,可以补偿光纤之间的长度差。

    USER TERMINAL APPARATUS AND UI PROVIDING METHOD THEREOF
    7.
    发明申请
    USER TERMINAL APPARATUS AND UI PROVIDING METHOD THEREOF 有权
    用户终端设备和UI提供方法

    公开(公告)号:US20120173003A1

    公开(公告)日:2012-07-05

    申请号:US13331462

    申请日:2011-12-20

    Abstract: A user terminal apparatus and a user interface providing method are provided. The user terminal apparatus providing a control mode to control an apparatus to be controlled and an application mode to operate applications includes a display unit which displays a control mode providing screen and an application mode providing screen, a user interface unit which receives an input of a user's order to select one of the control mode and the application mode, a communication interface unit which communicates with the apparatus to be controlled, and a controller which controls, if the control mode is selected, to display a control screen corresponding to the state of the apparatus to be controlled based on state information of the apparatus to be controlled which is received through the communication interface unit.

    Abstract translation: 提供了一种用户终端装置和用户界面提供方法。 提供用于控制要控制的设备的控制模式的用户终端设备和应用模式来应用的应用包括显示控制模式提供屏幕和应用模式提供屏幕的显示单元,用于接收输入的用户界面单元 用户的命令来选择控制模式和应用模式之一,与要控制的设备进行通信的通信接口单元,以及控制器,如果选择了所述控制模式,则控制器显示对应于所述控制模式的状态的控制画面 基于通过通信接口单元接收到的要被控制的设备的状态信息来控制的设备。

    METHOD FOR ZAPPING CONTENTS AND DISPLAY APPARATUS FOR IMPLEMENTING THE SAME
    9.
    发明申请
    METHOD FOR ZAPPING CONTENTS AND DISPLAY APPARATUS FOR IMPLEMENTING THE SAME 审中-公开
    用于切割内容的方法和用于实现其的显示装置

    公开(公告)号:US20120060190A1

    公开(公告)日:2012-03-08

    申请号:US13223927

    申请日:2011-09-01

    Abstract: A content zapping method for accessing multimedia contents rapidly and easily by accessing the multimedia contents on a browser basis, includes receiving a screen change command for at least one broadcast channel or at least one content; and changing a screen to a browser which provides the at least one broadcast channel or the at least one content corresponding to the received screen change command, in an order of a pre-stored list.

    Abstract translation: 一种通过基于浏览器访问多媒体内容来快速容易地访问多媒体内容的内容切换方法,包括:接收至少一个广播频道或至少一个内容的屏幕改变命令; 以及以预先存储的列表的顺序将屏幕改变为提供所述至少一个广播频道或对应于所接收的屏幕改变命令的至少一个内容的浏览器。

    Methods of forming a compound semiconductor device including a diffusion region
    10.
    发明授权
    Methods of forming a compound semiconductor device including a diffusion region 有权
    形成包括扩散区域的化合物半导体器件的方法

    公开(公告)号:US08030188B2

    公开(公告)日:2011-10-04

    申请号:US12508382

    申请日:2009-07-23

    CPC classification number: H01L21/2258

    Abstract: Provided is a method of forming a compound semiconductor device. In the method, a dopant element layer is formed on an undoped compound semiconductor layer. An annealing process is performed to diffuse dopants in the dopant element layer into the undoped compound semiconductor layer, thereby forming a dopant diffusion region. A rapid cooling process is performed using liquid nitrogen with respect to the substrate having the dopant diffusion region.

    Abstract translation: 提供一种形成化合物半导体器件的方法。 在该方法中,在未掺杂的化合物半导体层上形成掺杂剂元素层。 执行退火处理以将掺杂剂元素层中的掺杂剂扩散到未掺杂的化合物半导体层中,从而形成掺杂剂扩散区域。 相对于具有掺杂剂扩散区域的基板,使用液氮进行快速冷却处理。

Patent Agency Ranking