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    • 3. 发明申请
    • TUNABLE FILTER
    • TUNABLE过滤器
    • US20110096399A1
    • 2011-04-28
    • US12688166
    • 2010-01-15
    • Yang FangBin ChenChuan ZhangHong Xie
    • Yang FangBin ChenChuan ZhangHong Xie
    • G02B27/44
    • G02B26/002G01J2003/1213G02B6/29307G02B6/29311G02B6/29313G02B6/29395G02B26/0816
    • A tunable filter is provided. The tunable filter comprises an input optical fiber for launching an optical signal into the tunable filter; a collimator disposed for collimating light transmitted from the input optical fiber; a grating disposed for dispersing the collimated light according to wavelength in a dispersion plane; a first reflector disposed for reflecting at least a partial of the dispersed light to a second reflector; a second reflector disposed for reflecting the dispersed light back to the grating; a third reflector disposed for reflecting the transmitted dispersed light from the grating back to the grating, wherein then the second reflector reflects the transmitted dispersed light to the first reflector, the first reflector reflects the transmitted dispersed light back to the grating, the collimator receives the transmitted dispersed light from the grating and substantially focusing it to a focal point; and an output optical fiber disposed at the focal point for receiving the focused light; wherein one of the reflectors is rotated to selectively reflect the dispersed light having a predetermined wavelength.
    • 提供可调滤波器。 可调滤波器包括用于将光信号发射到可调谐滤波器中的输入光纤; 准直器,用于准直从输入光纤传输的光; 光栅,用于根据波长将准直光分散在分散平面中; 第一反射器,设置成将至少一部分分散的光反射到第二反射器; 第二反射器,设置成将分散的光反射回光栅; 第三反射器,被设置为将来自光栅的透射散射光反射回光栅,其中第二反射器将透射的散射光反射到第一反射器,第一反射器将透射的散射光反射回光栅,准直器接收 从光栅传播分散的光并将其基本上聚焦到焦点上; 以及布置在焦点处的用于接收聚焦光的输出光纤; 其中一个反射器被旋转以选择性地反射具有预定波长的分散的光。
    • 7. 发明授权
    • Communication device that provides enhanced services
    • 提供增强服务的通信设备
    • US07050553B2
    • 2006-05-23
    • US10717889
    • 2003-11-20
    • Shye-Bin S. ChangRichard Warren HemmeterStinson Samuel MathaiHong Xie
    • Shye-Bin S. ChangRichard Warren HemmeterStinson Samuel MathaiHong Xie
    • H04M11/00
    • H04M11/062H04M1/2478H04M1/253H04M1/2535H04M7/0012H04M2201/60H04M2207/203
    • A communication device is described that includes a POTS interface system, a processing system, a conversion system, a voice interface system, and a digital interface system. When in operation, the POTS interface system receives analog voice signals for a call. The POTS interface system converts the analog voice signals from analog to digital to generate digital voice signals. The processing system performs an application on the digital voice signals to provide a presentation format of the digital voice signals of the call to a user. The conversion system then converts the digital voice signals into analog voice signals and a voice interface system transmits audible signals to the user. The digital interface system receives digital data signals from a data service provider and the processing system performs an application on the digital data signals to provide additional data to the user.
    • 描述了包括POTS接口系统,处理系统,转换系统,语音接口系统和数字接口系统的通信设备。 在运行时,POTS接口系统接收模拟语音信号进行呼叫。 POTS接口系统将模拟语音信号从模拟转换成数字语音信号。 处理系统对数字语音信号执行应用,以向用户提供呼叫的数字语音信号的呈现格式。 然后,转换系统将数字语音信号转换为模拟语音信号,并且语音接口系统向用户发送可听见的信号。 数字接口系统从数据服务提供商接收数字数据信号,并且处理系统对数字数据信号执行应用以向用户提供附加数据。