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
    • 2. 发明申请
    • Microstrip type bandpass filter
    • 微带型带通滤波器
    • US20060082425A1
    • 2006-04-20
    • US11136471
    • 2005-05-25
    • Dong JunHong LeeDong KimKyoung ChoSang Lee
    • Dong JunHong LeeDong KimKyoung ChoSang Lee
    • H01P1/203
    • H01P1/203
    • Provided is a narrowband microstrip type bandpass filter adapted- to a home network, telematics, an intelligent traffic system, and a satellite Internet, the microstrip type bandpass filter comprising: an input terminal for receiving a predetermined signal; an output terminal for outputting a selection signal in a characteristic band; a first resonator electrically coupled with at least a portion of the input terminal; a second resonator electrically coupled with at least a portion of the first resonator; and a third resonator electrically coupled with at least a portion of the output terminal and the second resonator, and a magnetic coupling is provided using a cross coupling gap or a cross coupling line between non-adjacent resonators, so that a pattern can be simplified by optimizing the design and the manufacturing process to provide low-cost millimeter-wave parts, the manufacturing cost can be reduced by miniaturizing the parts, and the mass production can be readily realized.
    • 提供了适用于家庭网络,远程信息处理,智能交通系统和卫星互联网的窄带微带型带通滤波器,微带型带通滤波器包括:用于接收预定信号的输入端; 输出端子,用于输出特征频带中的选择信号; 与所述输入端子的至少一部分电耦合的第一谐振器; 与所述第一谐振器的至少一部分电耦合的第二谐振器; 以及与输出端子和第二谐振器的至少一部分电耦合的第三谐振器,并且使用非相邻谐振器之间的交叉耦合间隙或交叉耦合线提供磁耦合,使得可以通过 优化设计和制造工艺以提供低成本的毫米波部件,可以通过使部件小型化来降低制造成本,并且可以容易地实现批量生产。
    • 3. 发明申请
    • Automatic gain control feedback amplifier
    • 自动增益控制反馈放大器
    • US20060028279A1
    • 2006-02-09
    • US10995033
    • 2004-11-23
    • Sang LeeHyeon KiJin KangKyu ShimKyoung Cho
    • Sang LeeHyeon KiJin KangKyu ShimKyoung Cho
    • H03F3/08
    • H03F3/08H03F1/34H03F3/3432H03F3/50H03G3/3084
    • There is provided a feedback amplifier capable of easily controlling its dynamic range without a separate gain control signal generation circuit. The feedback amplifier includes an input terminal detecting an input voltage from input current, a feedback amplification unit amplifying the input voltage to generate an output signal, and an output terminal outputting a signal amplified by the feedback amplification unit. The feedback amplification unit includes a feedback circuit unit including a feedback resistor located between the input terminal and the output terminal, and a feedback transistor connected in parallel to the feedback resistor; and a bias circuit unit supplying a predetermined bias voltage to the feedback transistor of the feedback circuit unit and merged in the feedback amplification unit.
    • 提供了一种反馈放大器,其能够在没有单独的增益控制信号产生电路的情况下容易地控制其动态范围。 反馈放大器包括检测来自输入电流的输入电压的输入端子,放大输入电压以产生输出信号的反馈放大单元以及输出由反馈放大单元放大的信号的输出端子。 反馈放大单元包括反馈电路单元,该反馈电路单元包括位于输入端子和输出端子之间的反馈电阻器和与反馈电阻器并联连接的反馈晶体管; 以及偏置电路单元,向反馈电路单元的反馈晶体管提供预定的偏置电压并且合并在反馈放大单元中。
    • 4. 发明申请
    • Multi-band LC resonance voltage-controlled oscillator with adjustable negative resistance cell
    • 具有可调负电阻单元的多频带LC谐振压控振荡器
    • US20070132522A1
    • 2007-06-14
    • US11542288
    • 2006-10-02
    • Ja LeeKwi KimChong KwonJong KimSang LeeKyoung Cho
    • Ja LeeKwi KimChong KwonJong KimSang LeeKyoung Cho
    • H03B5/08
    • H03B5/1228H03B5/1215H03B5/1243H03B5/1265H03B5/1271H03B2201/0208H03B2201/0266H03J2200/10
    • Provided is an LC resonance voltage-controlled oscillator (VCO) used for a multi-band multi-mode wireless transceiver. In order to generate a multi-band frequency, a capacitor bank and a switchable inductor are included in the LC resonance voltage-controlled oscillator. The LC resonance voltage-controlled oscillator employs an adjustable emitter-degeneration negative resistance cell in place of tail current sources in order to compensate for non-uniform oscillation amplitude caused by the capacitor bank and prevent the degradation of a phase noise due to the tail current sources. The LC resonance voltage-controlled oscillator includes an inductor providing an inductance element partially determining the frequency of an oscillation wave; a discrete capacitor bank providing a capacitance element partially determining the frequency of the oscillation wave and being discretely determined by a control bit signal; and a discrete negative resistance cell providing a negative resistance element that is discretely determined by the control bit signal, to keep the amplitude of the oscillation wave constant.
    • 提供了一种用于多频带多模无线收发器的LC谐振压控振荡器(VCO)。 为了产生多频带频率,LC谐振压控振荡器中包括电容器组和可切换电感器。 LC谐振压控振荡器代替尾电流源采用可调发射极 - 退化负电阻电池,以补偿由电容器组引起的不均匀振荡幅度,并防止由于尾电流导致的相位噪声的降低 来源。 LC谐振电压控制振荡器包括:电感器,其提供部分地确定振荡波频率的电感元件; 分立电容器组,提供部分地确定振荡波的频率并由控制位信号离散地确定的电容元件; 以及提供由控制位信号离散地确定的负电阻元件的离散负电阻单元,以保持振荡波的幅度恒定。
    • 6. 发明申请
    • Modulation frequency tunable optical oscillator
    • 调制频率可调光学振荡器
    • US20060078010A1
    • 2006-04-13
    • US11017654
    • 2004-12-22
    • Young KimEun NamKyoung ChoBo KimMyung Oh
    • Young KimEun NamKyoung ChoBo KimMyung Oh
    • H01S3/098
    • H01S3/067H01S3/0675H01S3/07H01S3/0809H01S3/082H01S3/1055
    • Provided is a millimeter-wave band frequency optical oscillator that can be used as an oscillation frequency signal source for a millimeter-wave forwarded to wireless subscribers from a base station of a millimeter-wave wireless subscriber communication system for a next generation (e.g., fifth generation) ultra-high speed wireless internet service. A pair of an optical fiber amplifier and an optical fiber grating mirror is connected to each of input/output ports of a loop mirror in parallel, so that a dual mode laser resonator is formed which can make simultaneous oscillation in two laser modes suitable for each wavelength. Accordingly, it is possible to obtain a light source that is modulated to a ultra-high frequency (over 60 GHz) by a beat phenomenon between the two laser modes.
    • 提供了一种毫米波段频率光学振荡器,其可以用作从用于下一代的毫米波无线用户通信系统的基站转发到无线用户的毫米波的振荡频率信号源(例如,第五 一代)超高速无线互联网服务。 一对光纤放大器和光纤光栅反射镜并联连接到环形反射镜的每个输入/输出端口,从而形成双模式激光谐振器,其可以在适合于每个激光模式的两种激光模式中同时振荡 波长。 因此,可以通过两种激光模式之间的拍子现象来获得被调制到超高频(超过60GHz)的光源。