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1. 发明授权

US07986192B2 Harmonic rejection mixer and harmonic rejection mixing method 有权
标题翻译：谐波抑制混频器和谐波抑制混频法
公开(公告)号：US07986192B2
公开(公告)日：2011-07-26
申请号：US12639601
申请日：2009-12-16
申请人： Sang-sung Lee , Sang-gug Lee
发明人： Sang-sung Lee , Sang-gug Lee
IPC分类号： H03B21/00 , H03B21/01 , H03B27/00 , H04B1/26 , H04B1/28
CPC分类号： H03D7/18 , H03D2200/0086
摘要： Provided are a harmonic rejection mixer and a harmonic rejection mixing method. A plurality of oscillator signals having a ⅓ duty cycle and uniform phase differences may be generated and a differential or quadrature mixer with harmonic rejection may be realized by using the oscillator signals.
摘要翻译：提供了一种谐波抑制混频器和谐波抑制混频方法。可以产生具有叁占空比和均匀相位差的多个振荡器信号，并且可以通过使用振荡器信号来实现具有谐波抑制的差分或正交混频器。

2. 发明申请

US20110006849A1 HARMONIC REJECTION MIXER AND HARMONIC REJECTION MIXING METHOD 有权
标题翻译：谐波抑制混合器和谐波抑制混合方法
公开(公告)号：US20110006849A1
公开(公告)日：2011-01-13
申请号：US12639601
申请日：2009-12-16
申请人： Sang-sung LEE , Sang-gug LEE
发明人： Sang-sung LEE , Sang-gug LEE
IPC分类号： H03B21/00
CPC分类号： H03D7/18 , H03D2200/0086
摘要： Provided are a harmonic rejection mixer and a harmonic rejection mixing method. A plurality of oscillator signals having a ⅓ duty cycle and uniform phase differences may be generated and a differential or quadrature mixer with harmonic rejection may be realized by using the oscillator signals.
摘要翻译：提供了一种谐波抑制混频器和谐波抑制混频方法。可以产生具有叁占空比和均匀相位差的多个振荡器信号，并且可以通过使用振荡器信号来实现具有谐波抑制的差分或正交混频器。

3. 发明授权

US5090613A Method of manufacturing an anode assembly of a magnetron 失效
标题翻译：制造磁控管的阳极组件的方法
公开(公告)号：US5090613A
公开(公告)日：1992-02-25
申请号：US703362
申请日：1991-05-21
申请人： Sang Sung Lee
发明人： Sang Sung Lee
IPC分类号： H01J9/14 , B23K1/00 , H01J9/18 , H01J23/16 , H01J23/20 , H05B6/66
CPC分类号： H01J23/165 , B23K1/0008 , H01J9/18
摘要： This invention relates to an improved method of manufacturing an anode assembly of a magnetron used in a microwave oven to generate an electromagnetic wave for cooking foodstuffs therein. The method comprises coating of entire surfaces of vanes with a brazing material to join an anode cylinder, upper and lower strip rings and an antenna lead contacting the vanes by the coated brazing material on the vanes, whereby enhanced efficiency of a production process, mass production and reduction in costs may be achieved.
摘要翻译：本发明涉及一种制造用于微波炉的磁控管的阳极组件的改进方法，以产生用于在其中烹饪食物的电磁波。该方法包括用钎焊材料涂覆叶片的整个表面以连接阳极筒，上下条带和通过叶片上的涂层钎焊材料接触叶片的天线引线，从而提高生产过程的效率，批量生产并且可以实现成本的降低。

4. 发明授权

US08222944B2 DC offset cancellation circuit 有权
标题翻译： DC偏移消除电路
公开(公告)号：US08222944B2
公开(公告)日：2012-07-17
申请号：US12950193
申请日：2010-11-19
申请人： Young Jae Lee , Sang Sung Lee , Sang-Gug Lee
发明人： Young Jae Lee , Sang Sung Lee , Sang-Gug Lee
IPC分类号： H03L5/00
CPC分类号： H03F3/45968 , H03F2203/45212 , H03M1/822
摘要： A DC offset cancellation circuit includes: a control signal generation unit generating i (i is a natural number) number of pulse signals having a pulse width corresponding to a DC offset amount; a current source supplying i number of currents each having a different current ratio; a switching unit determining a current quantity to be supplied to a feedback capacitor by adjusting a turn-on quantity of each of the i number of currents according to the pulse width of each of the i number of pulse signals; and an electric charge quantity regulation unit charging DC offset electric charges corresponding to current supplied from the switching unit through the feedback capacitor and transferring the DC offset electric charges charged in the feedback capacitor to a sampling capacitor through a rotary capacitor, to allow the sampling capacitor to primarily store the DC offset electric charges and then secondarily store electric charges corresponding to an input signal.
摘要翻译： DC偏移消除电路包括：控制信号生成单元，生成具有对应于DC偏移量的脉冲宽度的i（i是自然数）个脉冲信号; 电流源，其提供i个具有不同电流比的电流; 切换单元，根据i个脉冲信号中的每一个的脉冲宽度，调整i个电流的导通量，确定要提供给反馈电容器的电流量; 电荷量调节单元对通过反馈电容器从开关单元提供的电流充电DC偏移电荷，并将通过旋转电容器将充电在反馈电容器中的DC偏移电荷传送到采样电容器，以允许采样电容器主要存储DC偏移电荷，然后二次存储对应于输入信号的电荷。

5. 发明申请

US20110121880A1 DC OFFSET CANCELLATION CIRCUIT 有权
标题翻译：直流偏移消除电路
公开(公告)号：US20110121880A1
公开(公告)日：2011-05-26
申请号：US12950193
申请日：2010-11-19
申请人： Young Jae LEE , Sang Sung Lee , Snag-Gun Lee
发明人： Young Jae LEE , Sang Sung Lee , Snag-Gun Lee
IPC分类号： H03L5/00
CPC分类号： H03F3/45968 , H03F2203/45212 , H03M1/822
摘要： A DC offset cancellation circuit includes: a control signal generation unit generating i (i is a natural number) number of pulse signals having a pulse width corresponding to a DC offset amount; a current source supplying i number of currents each having a different current ratio; a switching unit determining a current quantity to be supplied to a feedback capacitor by adjusting a turn-on quantity of each of the i number of currents according to the pulse width of each of the i number of pulse signals; and an electric charge quantity regulation unit charging DC offset electric charges corresponding to current supplied from the switching unit through the feedback capacitor and transferring the DC offset electric charges charged in the feedback capacitor to a sampling capacitor through a rotary capacitor, to allow the sampling capacitor to primarily store the DC offset electric charges and then secondarily store electric charges corresponding to an input signal. s
摘要翻译： DC偏移消除电路包括：控制信号生成单元，生成具有对应于DC偏移量的脉冲宽度的i（i是自然数）个脉冲信号; 电流源，其提供i个具有不同电流比的电流; 切换单元，根据i个脉冲信号中的每一个的脉冲宽度，调整i个电流的导通量，确定要提供给反馈电容器的电流量; 电荷量调节单元对通过反馈电容器从开关单元提供的电流充电DC偏移电荷，并将通过旋转电容器将充电在反馈电容器中的DC偏置电荷传送到采样电容器，以允许采样电容器主要存储DC偏移电荷，然后二次存储对应于输入信号的电荷。 s

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