会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 11. 发明申请
    • Electroabsorption duplexer
    • 电吸收双工器
    • US20070171515A1
    • 2007-07-26
    • US11451743
    • 2006-06-13
    • Young Shik KangJe Ha KimSung Bock KimYong Duck ChungKwang Seong Choi
    • Young Shik KangJe Ha KimSung Bock KimYong Duck ChungKwang Seong Choi
    • H01S3/00G02B6/10
    • H01S5/026H01S5/0262H01S5/0265H01S5/1014H01S5/22H01S5/50
    • An electroabsorption (EA) duplexer in which an optical amplifier, a photodetector, and an optical modulator are monolithically integrated to obtain a high radio frequency (RF) gain in radio-over fiber (RoF) link optical transmission technology is provided. The EA duplexer includes a substrate, a separation area, an optical detection/modulation unit, and an optical amplification unit. The separation area includes a first epitaxial layer formed of at least one material layer on the substrate. The first epitaxial layer functions as a first optical waveguide. The optical detection/modulation unit includes a second epitaxial layer formed of at least one material layer on the first epitaxial layer to detect and modulate an optical signal. The second epitaxial layer functions as a second optical waveguide. The optical amplification unit includes the second optical waveguide and a third epitaxial layer formed of at least one material layer on the second epitaxial layer to amplify an optical signal. The third epitaxial layer functions as a third optical waveguide. The optical amplification unit is electrically separated from the optical detection/modulation unit by the separation area and is disposed on at least one side of the optical detection/modulation unit.
    • 提供了其中光放大器,光电检测器和光调制器被单片集成以获得无线电光纤(RoF)链路光传输技术中的高射频(RF)增益的电吸收(EA)双工器。 EA双工器包括基板,分离区,光检测/调制单元和光放大单元。 分离区域包括由衬底上的至少一个材料层形成的第一外延层。 第一外延层用作第一光波导。 光检测/调制单元包括由第一外延层上的至少一个材料层形成的第二外延层,以检测和调制光信号。 第二外延层用作第二光波导。 光放大单元包括第二光波导和由第二外延层上的至少一个材料层形成的第三外延层,以放大光信号。 第三外延层用作第三光波导。 光放大单元通过分离区域与光检测/调制单元电分离,并设置在光检测/调制单元的至少一侧。
    • 12. 发明授权
    • Wavelength stabilization module having light-receiving element array and method of manufacturing the same
    • 具有光接收元件阵列的波长稳定模块及其制造方法
    • US07012939B2
    • 2006-03-14
    • US10648238
    • 2003-08-27
    • Kwang Seong ChoiHeung Woo ParkHo Gyeong YunByung Seok ChoiYong Sung EomJong Hyun LeeJong Tae Moon
    • Kwang Seong ChoiHeung Woo ParkHo Gyeong YunByung Seok ChoiYong Sung EomJong Hyun LeeJong Tae Moon
    • H01S3/13G01B9/02
    • H04B10/572
    • A wavelength stabilization module having a light-receiving element array and a method of manufacturing the same are disclosed. The wavelength stabilization module having a laser diode which irradiates a laser beam at the front side and the rear side thereof comprises a collimator for paralleling the laser beam irradiated at the rear side; a beam splitter for splitting the laser beam passed through the collimator into the two directional laser beams; a light-receiving element for receiving one of the split laser beams; a filter for transmitting a specific wavelength of the other of the split laser beams; a light-receiving element array for receiving the laser beam passed through the filter; and a controller for controlling the output wavelength of the laser diode by using the signals output from the light-receiving element and the light-receiving element array, and the filter and the light-receiving element array are tilted at a predetermined angle with respect to the laser beam and lock the wavelength by using an incident angle dependency of the laser beam passed through the filter.
    • 公开了具有光接收元件阵列的波长稳定模块及其制造方法。 具有在其前侧和后侧照射激光束的激光二极管的波长稳定模块包括用于与在后侧照射的激光束并联的准直器; 用于将穿过准直器的激光束分成两个定向激光束的分束器; 用于接收所述分离激光束中的一个的光接收元件; 用于传输另一个分离激光束的特定波长的滤波器; 用于接收通过过滤器的激光束的光接收元件阵列; 以及控制器,用于通过使用从光接收元件和光接收元件阵列输出的信号来控制激光二极管的输出波长,并且滤光器和光接收元件阵列相对于 激光束并通过使用通过过滤器的激光束的入射角依赖性来锁定波长。
    • 13. 发明授权
    • System for monitoring optical output/wavelength
    • 监控光输出/波长的系统
    • US07009716B2
    • 2006-03-07
    • US10802095
    • 2004-03-15
    • Jong-Deog KimByung-Seok ChoiJong-Hyun LeeHogyeong YunKwang-Seong ChoiJong-Tae Moon
    • Jong-Deog KimByung-Seok ChoiJong-Hyun LeeHogyeong YunKwang-Seong ChoiJong-Tae Moon
    • G01B9/02H01S3/04
    • H01S5/0612H01S5/0683H01S5/0687
    • A system for monitoring an optical output/wavelength is employed to be used for a WDM system having a narrow channel space by structuring an etalon and photodiode as an integrated structure. The system includes: a laser source control unit for controlling the laser source; an optical/wavelength monitoring unit for monitoring an optical output/wavelength of the controlled laser source; a TEC control unit for controlling a TEC in order to constantly maintain the laser source of the optical output/wavelength monitoring unit to have a predetermined temperature; a temperature control unit for controlling a heater and a thermistor to set an etalon to a predetermined temperature, wherein the heater is attached on the optical output/wavelength monitoring unit and the thermistor is attached on the heater; a comparison unit for comparing the optical output signal and the wavelength signal, each of which is monitored by the optical output/wavelength monitoring unit; and a processing unit for comparing values of the compared signals with a preset value to control an input current or a temperature of the laser source.
    • 用于监测光输出/波长的系统被用于通过构造标准具和光电二极管作为一体结构而具有窄通道空间的WDM系统。 该系统包括:用于控制激光源的激光源控制单元; 用于监测受控激光源的光输出/波长的光/波长监测单元; 用于控制TEC的TEC控制单元,以便将光输出/波长监视单元的激光源恒定地保持为预定温度; 温度控制单元,用于控制加热器和热敏电阻以将标准具设定到预定温度,其中加热器安装在光输出/波长监测单元上,热敏电阻附着在加热器上; 比较单元,用于比较光输出信号和波长信号,每个波长信号由光输出/波长监测单元监视; 以及处理单元,用于将比较的信号的值与预设值进行比较,以控制激光源的输入电流或温度。
    • 15. 发明授权
    • Device and method for separation/conversion of multiband signal
    • 用于分离/转换多频段信号的装置和方法
    • US08335200B2
    • 2012-12-18
    • US12676749
    • 2008-05-23
    • Yong Duck ChungKwang Seong ChoiJae Sik SimYong Hwan KwonSung Bok KimJe Ha Kim
    • Yong Duck ChungKwang Seong ChoiJae Sik SimYong Hwan KwonSung Bok KimJe Ha Kim
    • H04H1/00
    • H04B10/25759H04W88/10
    • Provided are a method and device for separating and converting multiband signals. The device includes a photoelectric converter for converting an externally received optical signal into an electrical signal, a first switch for separating the converted electrical signal into signals according to frequency bands, a first mobile communication band-pass amplifier for amplifying a mobile communication network signal of the signals separated by the first switch, a broadband up-converter for up-converting a baseband signal of the signals separated by the first switch into a broadband signal, a first broadband amplifier for amplifying the broadband signal output from the broadband up-converter, and a transmitter for wirelessly transmitting the signals amplified by the first mobile communication band-pass amplifier and the first broadband amplifier.
    • 提供了用于分离和转换多频带信号的方法和装置。 该装置包括用于将外部接收的光信号转换为电信号的光电转换器,用于根据频带将转换后的电信号分离为信号的第一开关,用于放大移动通信网络信号的第一移动通信带通放大器 由第一开关分离的信号,用于将由第一开关分离的信号的基带信号上变频为宽带信号的宽带上变频器,用于放大从宽带上变频器输出的宽带信号的第一宽带放大器, 以及用于无线地发送由第一移动通信带通放大器和第一宽带放大器放大的信号的发射机。
    • 19. 发明申请
    • VERTICALLY FORMED INDUCTOR AND ELECTRONIC DEVICE HAVING THE SAME
    • 垂直形成的电感器和具有该电感器的电子器件
    • US20080297299A1
    • 2008-12-04
    • US12053716
    • 2008-03-24
    • Ho Gyeong YunKwang Seong ChoiJong Tae Moon
    • Ho Gyeong YunKwang Seong ChoiJong Tae Moon
    • H01F5/00
    • H01F17/0013H01F17/0033H01F27/34H01F2017/002
    • Provided are an inductor, which is vertically formed, and an electronic device having the inductor, and more particularly, an inductor capable of minimizing loss of a surface area and accomplishing high efficiency impedance by vertically forming the inductor in a plurality of insulating layers, and an electronic device having the same. The inductor includes a plurality of conductive lines disposed in the insulating layers; and vias vertically formed in the insulating layers to electrically connect the plurality of conductive lines. When a board or an electronic device including an inductor proposed by the present invention is manufactured, the inductor can occupy a minimum area in the electronic device or board while providing high inductance. In particular, the surface area of the electronic device or board occupied by the inductor can be remarkably decreased to reduce manufacturing costs.
    • 提供了一种垂直形成的电感器,以及具有电感器的电子器件,更具体地说,一种电感器,其能够通过在多个绝缘层中垂直形成电感器来最小化表面积的损失并实现高效率阻抗,以及 具有该电子设备的电子设备。 电感器包括布置在绝缘层中的多条导线; 以及在绝缘层中垂直形成的通孔,以电连接多条导线。 当制造包括由本发明提出的电感器的电路板或电子设备时,电感器可以在提供高电感的同时占据电子设备或电路板中的最小面积。 特别地,电感器占用的电子设备或板的表面积可以显着降低,从而降低制造成本。