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1. 发明授权

US07514980B2 Exponential function generator and variable gain amplifier using the same 失效
标题翻译：指数函数发生器和可变增益放大器使用相同
公开(公告)号：US07514980B2
公开(公告)日：2009-04-07
申请号：US11420728
申请日：2006-05-26
申请人： Jeong Ki Choi , Won Jin Baek , Hyun Hwan Yoo , Seung Min Oh
发明人： Jeong Ki Choi , Won Jin Baek , Hyun Hwan Yoo , Seung Min Oh
IPC分类号： G06F7/556 , G06G7/20 , G06G7/24
CPC分类号： H03G7/001
摘要： The present invention relates to an exponential function generator which is realized with only CMOS element without BJT element, not limited by the physical properties of the element or a square circuit, and not complicated in its configuration, and a variable gain amplifier using the same. The exponential function generator includes a voltage-current converter, 1st to nth curve generators for mirroring the current from the voltage-current converter, outputting a current adjusted according to a predetermined ratio, and an output end for outputting the sum of the current from the 1st to nth curve generators. The exponential current generator is configured to generate the current exponentially adjusted according to the control voltage.
摘要翻译：本发明涉及一种仅使用没有BJT元件的CMOS元件实现的指数函数发生器，不受元件或平方电路的物理特性限制，并且其结构不复杂，以及使用其的可变增益放大器。指数函数发生器包括电压 - 电流转换器，用于镜像来自电压 - 电流转换器的电流的第1至第n曲线发生器，输出根据预定比率调节的电流，以及输出端，用于输出来自第1〜第n曲线发生器。指数电流发生器被配置为根据控制电压产生指数调节的电流。

2. 发明授权

US07076221B2 Digital automatic fine tuning method and apparatus 失效
标题翻译：数字自动微调方法及装置
公开(公告)号：US07076221B2
公开(公告)日：2006-07-11
申请号：US10695758
申请日：2003-10-30
申请人： Young Jin Lee , Hyo Seok Kwon , Won Jin Baek , Jin Taek Lee , Hyun Hwan Yoo , Jeong Ki Choi
发明人： Young Jin Lee , Hyo Seok Kwon , Won Jin Baek , Jin Taek Lee , Hyun Hwan Yoo , Jeong Ki Choi
IPC分类号： H04B1/18 , H04N5/50
CPC分类号： H03J1/0041 , H03J2200/02
摘要： Disclosed herein is a digital automatic fine tuning method and apparatus, which is capable of detecting a difference between a nominal frequency and an intermediate frequency generated in a tuner using a counter, and applying the counted data of the counter as a fine tuning value for the intermediate frequency without using a decoder by controlling the reset and preset operations of the counter that counts the frequency of the intermediate frequency.
摘要翻译：这里公开了一种数字自动微调方法和装置，其能够使用计数器检测在调谐器中产生的标称频率和中频之间的差异，并将计数器的计数数据应用于微调值通过控制对中频的频率进行计数的计数器的复位和预置操作而不使用解码器的中频。

3. 发明申请

US20050048936A1 Digital automatic fine tuning method and apparatus 失效
标题翻译：数字自动微调方法及装置
公开(公告)号：US20050048936A1
公开(公告)日：2005-03-03
申请号：US10695758
申请日：2003-10-30
申请人： Young Jin Lee , Hyo Seok Kwon , Won Jin Baek , Jin Taek Lee , Hyun Hwan Yoo , Jeong Ki Choi
发明人： Young Jin Lee , Hyo Seok Kwon , Won Jin Baek , Jin Taek Lee , Hyun Hwan Yoo , Jeong Ki Choi
IPC分类号： H04N5/50 , H03J1/00 , H01Q11/12
CPC分类号： H03J1/0041 , H03J2200/02
摘要： Disclosed herein is a digital automatic fine tuning method and apparatus, which is capable of detecting a difference between a nominal frequency and an intermediate frequency generated in a tuner using a counter, and applying the counted data of the counter as a fine tuning value for the intermediate frequency without using a decoder by controlling the reset and preset operations of the counter that counts the frequency of the intermediate frequency.
摘要翻译：这里公开了一种数字自动微调方法和装置，其能够使用计数器检测在调谐器中产生的标称频率和中频之间的差异，并将计数器的计数数据应用于微调值通过控制对中频的频率进行计数的计数器的复位和预置操作而不使用解码器的中频。

4. 发明申请

US20110080353A1 Electrode pattern for touch screen, driver for touch screen, and touch screen 审中-公开
标题翻译：触摸屏电极图案，触摸屏驱动程序和触摸屏
公开(公告)号：US20110080353A1
公开(公告)日：2011-04-07
申请号：US12654425
申请日：2009-12-18
申请人： Shin Jae Kang , Kyung Uk Kim , Won Jin Baek
发明人： Shin Jae Kang , Kyung Uk Kim , Won Jin Baek
IPC分类号： G06F3/041 , H05K1/00
CPC分类号： G06F3/044
摘要： Disclosed is a touch screen to accurately receive a user selection by applying differential signals to the electrode patterns of a touch screen, each having a different capacitance.
摘要翻译：公开了一种触摸屏，用于通过对每个具有不同电容的触摸屏的电极图案施加差分信号来准确地接收用户选择。

5. 发明申请

US20130230318A1 COMMUNICATIONS INTERFACE APPARATUS AND METHOD OF OPERATING THE SAME 审中-公开
标题翻译：通信接口装置及其操作方法
公开(公告)号：US20130230318A1
公开(公告)日：2013-09-05
申请号：US13533729
申请日：2012-06-26
申请人： Eung Ju Kim , Won Jin Baek , Kyung Uk Kim
发明人： Eung Ju Kim , Won Jin Baek , Kyung Uk Kim
IPC分类号： H04B10/12
CPC分类号： H04B10/801 , H04B10/25
摘要： There are provided a communications interface apparatus and a method of operating the same. The communications interface apparatus includes: a transmission line including a conductor line and a plastic optical fiber for optical communications; a signal transmitting unit transmitting a first data signal through the plastic optical fiber and transmitting a second data signal through the conductor line; and a signal receiving unit receiving the first data signal and the second data signal, wherein the signal transmitting unit differentiates a signal as the first data signal or the second data signal based on at least one of a level and a frequency of the signal to be transmitted.
摘要翻译：提供了一种通信接口装置及其操作方法。通信接口装置包括：传输线，包括用于光通信的导线和塑料光纤; 信号发送单元，通过塑料光纤发送第一数据信号，并通过导线发送第二数据信号; 以及信号接收单元，接收所述第一数据信号和所述第二数据信号，其中所述信号发送单元基于所述信号的电平和频率中的至少一个来区分作为所述第一数据信号或所述第二数据信号的信号传输。

6. 发明申请

US20110133882A1 Apparatus for detecting coordinates of an event within interest region, display device, security device and electronic blackboard including the same 审中-公开
标题翻译：用于检测兴趣区域内的事件的坐标的装置，显示装置，安全装置和包括该事件的电子黑板
公开(公告)号：US20110133882A1
公开(公告)日：2011-06-09
申请号：US12801221
申请日：2010-05-27
申请人： Il Mo Jung , Yong Gyu Yoon , Jae Goon Aum , Won Jin Baek
发明人： Il Mo Jung , Yong Gyu Yoon , Jae Goon Aum , Won Jin Baek
IPC分类号： G05B19/00 , H01L31/16 , G06K9/60 , G09G5/00
CPC分类号： G06F3/0428 , G09G2354/00
摘要： There is provided an apparatus for detecting the coordinates of an event within an interest region including: a light source limiting an interest region; at least two light receiving units receiving reflected light of an event within the interest region; a reflector refracting the reflected light received in the light receiving units; and one image sensor on which the reflected light refracted on the reflector is image-formed, wherein the apparatus for detecting coordinates is configured of one module.
摘要翻译：提供了一种用于检测兴趣区域内的事件的坐标的装置，包括：限制兴趣区域的光源; 所述至少两个光接收单元接收所述兴趣区域内的事件的反射光; 反射器折射接收在所述光接收单元中的反射光; 并且其上形成有在反射器上折射的反射光的一个图像传感器，其中用于检测坐标的装置由一个模块构成。

7. 发明授权

US07274257B2 Variable gain wideband amplifier 失效
标题翻译：可变增益宽带放大器
公开(公告)号：US07274257B2
公开(公告)日：2007-09-25
申请号：US11292208
申请日：2005-12-02
申请人： Moon Sun Kim , Won Jin Baek
发明人： Moon Sun Kim , Won Jin Baek
IPC分类号： H03G3/00
CPC分类号： H03F1/223 , H03F1/3205 , H03F1/342 , H03F3/193 , H03F3/345 , H03F2200/117 , H03F2200/141 , H03F2200/372 , H03G1/007 , H03G1/0088
摘要： The invention relates to a feedback or feedforward type variable gain wideband amplifier. The variable gain wideband amplifier includes a feedback-type inversion amplifier circuit 310 for amplifying input Vin, a feedback-type non-inversion amplifier circuit 320 for amplifying input Vin, a power source circuit 330 for controlling the gain of the non-inversion amplifier circuit 320 and a load circuit 340 connected between a junction of output terminals of the inversion and non-inversion amplifier circuits 310 and 320 and power voltage potential VDD to control the gain of the amplifier circuits 310 and 320. The variable gain wideband amplifier of the invention is feedforward type, and outputs signals from the inversion and non-inversion amplifier circuits 310 and 320 via a single output terminal in order to attenuate third order intermodulation frequency IM3 generated from the amplifier circuits 310 and 320. Then, predetermined frequencies f1 and f2 included in the input signal are amplified.
摘要翻译：本发明涉及一种反馈或前馈型可变增益宽带放大器。可变增益宽带放大器包括用于放大输入Vin的反馈型反相放大器电路310，用于放大输入Vin的反馈型非反相放大器电路320，用于控制非反相放大器电路的增益的电源电路330 320和连接在反相放大器电路310和非反相放大器电路310的输出端的接点和电源电压电位VDD之间的负载电路340，以控制放大器电路310和320的增益。本发明的可变增益宽带放大器是前馈型，并且经由单个输出端子从反相和非反相放大器电路310和320输出信号，以衰减从放大器电路310和320产生的三阶互调频率IM 3。然后，预定频率f 1和输入信号中包含的f 2被放大。

8. 发明授权

US07570935B2 Derivative superposition circuit for linearization 失效
标题翻译：用于线性化的导数叠加电路
公开(公告)号：US07570935B2
公开(公告)日：2009-08-04
申请号：US11428345
申请日：2006-06-30
申请人： Yoo Sam Na , Byung Sung Kim , Won Jin Baek , Moon Sun Kim
发明人： Yoo Sam Na , Byung Sung Kim , Won Jin Baek , Moon Sun Kim
IPC分类号： H04B1/10 , H04B1/04
CPC分类号： H03F1/3252
摘要： A derivative superposition circuit for linearization includes a first active element that is provided with first to third terminals and in which the magnitude and direction of current flowing from the second terminal to the third terminal changes on the basis of the magnitude of a voltage applied between the first and second terminals; and a second active element that is provided with first to third terminals and has complementary characteristics with the first active element. The first terminals of the first and second active elements are connected to each other so that a predetermined operational bias voltage is maintained by first and second power supplies through a first impedance, and are connected to an input end through a second impedance. The third terminals of the first and second active elements are connected to an output end, and the second terminals of the first and second active elements are connected to the second power supply through a third impedance.
摘要翻译：用于线性化的导数叠加电路包括设置有第一至第三端子的第一有源元件，并且其中从第二端子流到第三端子的电流的大小和方向基于施加在第二端子之间的电压的大小而变化第一和第二终端; 以及设置有第一至第三端子并且与第一有源元件具有互补特性的第二有源元件。第一和第二有源元件的第一端子彼此连接，使得通过第一阻抗由第一和第二电源维持预定的操作偏置电压，并且通过第二阻抗连接到输入端。第一和第二有源元件的第三端子连接到输出端，并且第一和第二有源元件的第二端子通过第三阻抗连接到第二电源。

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