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1. 发明申请

US20080180161A1 BIAS CURRENT GENERATING APPARATUS WITH ADJUSTABLE TEMPERATURE COEFFICIENT 失效
标题翻译：具有可调节温度系数的偏置电流发生装置
公开(公告)号：US20080180161A1
公开(公告)日：2008-07-31
申请号：US12014041
申请日：2008-01-14
申请人： Byeong Hak JO , Yoo Sam Na , Kyoung Seok Park , Hyeon Seok Hwang , Seung Min Oh
发明人： Byeong Hak JO , Yoo Sam Na , Kyoung Seok Park , Hyeon Seok Hwang , Seung Min Oh
IPC分类号： H01L35/00
CPC分类号： H03F1/301
摘要： There is provided a bias current generating apparatus capable of providing a bias current where a characteristic change is compensated, to one of an analog circuit and RF circuit where various characteristic changes occur according to a temperature, by generating bias currents having a plurality of temperature coefficients. The apparatus including: a positive temperature coefficient current generator generating a positive temperature coefficient current in direct proportion to an absolute temperature; a zero temperature coefficient current generator generating a zero temperature coefficient current constant regardless of the absolute temperature; and an adjustable temperature coefficient current generator generating and outputting an adjustable temperature coefficient current by amplifying the positive temperature coefficient current by A times, amplifying the zero temperature coefficient current by B times, adding the two amplified temperature coefficient currents, wherein a temperature coefficient of the adjustable temperature coefficient current is varied by adjusting sizes of the A and B.
摘要翻译：提供了一种偏置电流产生装置，其能够通过产生具有多个温度系数的偏置电流，将特性变化补偿的偏置电流提供给模拟电路和RF电路中的一个，其中根据温度发生各种特性变化。该装置包括：正温度系数电流发生器，其与绝对温度成正比地产生正温度系数电流; 产生零温度系数电流恒定的零温度系数电流发生器，与绝对温度无关; 以及可调温度系数电流发生器，通过将正温度系数电流放大A倍，并将零温度系数电流放大B倍，生成并输出可调温度系数电流，加上两个放大温度系数电流，其中，调节温度系数电流可以通过调节A和B的尺寸来改变。

2. 发明授权

US07636009B2 Bias current generating apparatus with adjustable temperature coefficient 失效
标题翻译：偏置电流发生装置，温度系数可调
公开(公告)号：US07636009B2
公开(公告)日：2009-12-22
申请号：US12014041
申请日：2008-01-14
申请人： Byeong Hak Jo , Yoo Sam Na , Kyoung Seok Park , Hyeon Seok Hwang , Seung Min Oh
发明人： Byeong Hak Jo , Yoo Sam Na , Kyoung Seok Park , Hyeon Seok Hwang , Seung Min Oh
IPC分类号： G05F1/10
CPC分类号： H03F1/301
摘要： There is provided a bias current generating apparatus capable of providing a bias current where a characteristic change is compensated, to one of an analog circuit and RF circuit where various characteristic changes occur according to a temperature, by generating bias currents having a plurality of temperature coefficients. The apparatus includes: a positive temperature coefficient current generator generating a positive temperature coefficient current in direct proportion to an absolute temperature; a zero temperature coefficient current generator generating a zero temperature coefficient current constant regardless of the absolute temperature; and an adjustable temperature coefficient current generator generating and outputting an adjustable temperature coefficient current by amplifying the positive temperature coefficient current by A times, amplifying the zero temperature coefficient current by B times, adding the two amplified temperature coefficient currents, wherein a temperature coefficient of the adjustable temperature coefficient current is varied by adjusting sizes of the A and B.
摘要翻译：提供了一种偏置电流产生装置，其能够通过产生具有多个温度系数的偏置电流，将特性变化补偿的偏置电流提供给模拟电路和RF电路中的一个，其中根据温度发生各种特性变化。该装置包括：正温度系数电流发生器，其与绝对温度成正比地产生正温度系数电流; 产生零温度系数电流恒定的零温度系数电流发生器，与绝对温度无关; 以及可调温度系数电流发生器，通过将正温度系数电流放大A倍，并将零温度系数电流放大B倍，生成并输出可调温度系数电流，加上两个放大温度系数电流，其中，调节温度系数电流可以通过调节A和B的尺寸来改变。

3. 发明授权

US07834705B2 Frequency synthesizer having multi-band voltage controlled oscillator 有权
标题翻译：具有多频段压控振荡器的频率合成器
公开(公告)号：US07834705B2
公开(公告)日：2010-11-16
申请号：US12205192
申请日：2008-09-05
申请人： Seung Won Seo , Seung Min Oh , Byeong Hak Jo
发明人： Seung Won Seo , Seung Min Oh , Byeong Hak Jo
IPC分类号： H03L7/099 , H03L7/10
CPC分类号： H03L7/10 , H03L7/099 , H03L7/18 , H03L2207/06
摘要： There is provided a frequency synthesizer including a multi-band voltage controlled oscillator having a plurality of voltage controlled oscillating cores outputting oscillation frequencies having different bands according to an input control voltage. Each of the voltage controlled oscillating cores outputs a frequency band divided into a plurality of bands, and the voltage controlled oscillating core operates by each of the divided bands, and one of the voltage controlled oscillating cores operates in one of the bands according to the control voltage. The frequency synthesizer further includes a comparator unit and an oscillation band-determining unit. The comparator unit compares the control voltage with a pre-set reference voltage range. The oscillation band-determining unit changes the band where the voltage controlled oscillating core operates into another one of the bands when the control voltage is out of the pre-set reference voltage range.
摘要翻译：提供了一种频率合成器，其包括具有根据输入控制电压输出具有不同频带的振荡频率的多个压控振荡核心的多频带压控振荡器。每个压控振荡核心输出被划分成多个频带的频带，并且压控振荡核心由每个分频频带操作，并且一个压控振荡核心根据控制在一个频带中操作电压。频率合成器还包括比较器单元和振荡频带确定单元。比较器单元将控制电压与预设参考电压范围进行比较。当控制电压超出预设的参考电压范围时，振荡频带确定单元将电压控制的振荡磁芯的频带改变为另一个频带。

4. 发明申请

US20090066425A1 FREQUENCY SYNTHESIZER HAVING MULTI-BAND VOLTAGE CONTROLLED OSCILLATOR 有权
标题翻译：具有多波段电压控制振荡器的频率合成器
公开(公告)号：US20090066425A1
公开(公告)日：2009-03-12
申请号：US12205192
申请日：2008-09-05
申请人： Seung Won SEO , Seung Min Oh , Byeong Hak Jo
发明人： Seung Won SEO , Seung Min Oh , Byeong Hak Jo
IPC分类号： H03L7/00
CPC分类号： H03L7/10 , H03L7/099 , H03L7/18 , H03L2207/06
摘要： There is provided a frequency synthesizer including a multi-band voltage controlled oscillator having a plurality of voltage controlled oscillating cores outputting oscillation frequencies having different bands according to an input control voltage. Each of the voltage controlled oscillating cores outputs a frequency band divided into a plurality of bands, and the voltage controlled oscillating core operates by each of the divided bands, and one of the voltage controlled oscillating cores operates in one of the bands according to the control voltage. The frequency synthesizer further includes a comparator unit and an oscillation band-determining unit. The comparator unit compares the control voltage with a pre-set reference voltage range. The oscillation band-determining unit changes the band where the voltage controlled oscillating core operates into another one of the bands when the control voltage is out of the pre-set reference voltage range.
摘要翻译：提供了一种频率合成器，其包括具有根据输入控制电压输出具有不同频带的振荡频率的多个压控振荡核心的多频带压控振荡器。每个压控振荡核心输出被划分成多个频带的频带，并且压控振荡核心由每个分频频带操作，并且一个压控振荡核心根据控制在一个频带中操作电压。频率合成器还包括比较器单元和振荡频带确定单元。比较器单元将控制电压与预设参考电压范围进行比较。当控制电压超出预设的参考电压范围时，振荡频带确定单元将电压控制的振荡磁芯的频带改变为另一个频带。

5. 发明授权

US07206565B2 Device for generating wide tunable frequency using frequency divider 有权
标题翻译：使用分频器产生宽可调谐频率的装置
公开(公告)号：US07206565B2
公开(公告)日：2007-04-17
申请号：US10421700
申请日：2003-04-24
申请人： Seung Min Oh , Hyo Seok Kwon , Yoo Sam Na , Gi Won Choi
发明人： Seung Min Oh , Hyo Seok Kwon , Yoo Sam Na , Gi Won Choi
IPC分类号： H04B1/26
CPC分类号： H04N5/4446 , H04B1/16
摘要： The present invention relate to a wideband frequency generating apparatus using a frequency dividing method of dividing a frequency signal of a voltage control oscillator to expand a frequency generating range. The apparatus comprises an oscillator unit generating a predetermined frequency signal, a mixer having a first input coupled to the oscillator unit to generate a difference signal by mixing the predetermined frequency signal with a signal inputted to a second input of the mixer, a first switch tuned on/off and coupling the predetermined frequency signal to an output of the mixer, a second switch turned on/off and coupling the output of the mixer to the second input of the mixer to form a feedback loop, a ½ frequency divider dividing the output of the mixer by ½ to generate a divided signal, a third switch tuned on/off and coupling the divided signal of the ½ frequency divider to the second input of the mixer unit, and a control logic unit generating on/off control signals turning on/off the mixer, the first switch, the second switch, the third switch in accordance with a selection of frequency generating ranges.
摘要翻译：本发明涉及一种使用分频方法来分频压控振荡器的频率信号以扩大频率产生范围的宽带频率发生装置。该装置包括产生预定频率信号的振荡器单元，混合器具有耦合到振荡器单元的第一输入，以通过将预定频率信号与输入到混频器的第二输入端的信号混合来产生差分信号，第一开关调谐开/关并将预定频率信号耦合到混频器的输出，第二开关导通/截止并将混频器的输出耦合到混频器的第二输入端以形成反馈回路，½分频器将输出的混频器产生分频信号，第三开关调谐开/关并将1/2分频器的分频信号耦合到混频器单元的第二输入端;以及控制逻辑单元，其产生开启/关闭控制信号根据频率发生范围的选择，关闭混频器，第一开关，第二开关，第三开关。

6. 发明授权

US07177895B2 Linear channel select filter 有权
标题翻译：线性通道选择滤波器
公开(公告)号：US07177895B2
公开(公告)日：2007-02-13
申请号：US10409076
申请日：2003-04-09
申请人： Yoo Sam Na , Hyo Seok Kwon , Ki Won Choi , Seung Min Oh
发明人： Yoo Sam Na , Hyo Seok Kwon , Ki Won Choi , Seung Min Oh
IPC分类号： G06G7/02
CPC分类号： H03H11/1291
摘要： A linear channel select filter for an Intermediate Frequency selector of a satellite broadcasting tuner, linearly changes a desired frequency by adjusting an output current, and includes: a transconductance (GM) current cell controller for determining a control voltage according to a select signal, generating the output current according to an differential input voltage, linearly controlling the output current according to the control voltage, and providing a linearly variable resistance according to the linearly controlled output current, and a capacitor circuit coupled to the GM cell controller to provide a capacitance to generate a cutoff frequency voltage according to the output current and the variable resistance. An occupying area and a size of the filter are reduced.
摘要翻译：一种用于卫星广播调谐器的中频选择器的线性通道选择滤波器，通过调节输出电流来线性地改变期望频率，并且包括：跨导（GM）电流单元控制器，用于根据选择信号确定控制电压，产生根据差分输入电压的输出电流，根据控制电压线性控制输出电流，并根据线性控制的输出电流提供线性可变电阻;以及电容器电路，耦合到GM电池控制器，以提供电容根据输出电流和可变电阻产生截止频率电压。减少了占地面积和过滤器的尺寸。

7. 发明授权

US07796968B2 Frequency conversion circuit 有权
标题翻译：变频电路
公开(公告)号：US07796968B2
公开(公告)日：2010-09-14
申请号：US11878145
申请日：2007-07-20
申请人： Hyeon Seok Hwang , Seung Min Oh
发明人： Hyeon Seok Hwang , Seung Min Oh
IPC分类号： H04B1/26
CPC分类号： H03D7/1441 , H03D7/1433 , H03D7/1458 , H03D7/1491 , H03D2200/0033 , H03D2200/0047
摘要： A frequency conversion circuit comprises an input stage composed of one or more transistors, the input stage outputting a current corresponding to a voltage-type RF signal which is input to the gate of the transistor; a frequency conversion stage receiving an LO signal, causing the output RF signal to transit by the frequency of the LO signal so as to output an IF signal, and detecting an output voltage of the IF signal; a bleeding transistor connected to the input stage, supplying a current corresponding to a DC voltage, applied to a gate-source stage thereof, as a bleeding current to the transistor of the input stage, and in an AC manner, operating complementarily with the input stage to control a current flowing in the frequency conversion stage; a common mode feedback circuit comparing an output voltage provided from the frequency conversion stage with a preset reference voltage, adjusting the output voltage such that the output voltage is equalized to the reference voltage, and directly feeding the adjusted output voltage to the bleeding transistor; and a load stage composed of resistors and distributing a power supply voltage to apply to the frequency conversion stage.
摘要翻译：频率转换电路包括由一个或多个晶体管组成的输入级，输入级输出对应于输入到晶体管的栅极的电压型RF信号的电流; 频率转换级接收LO信号，使得输出RF信号通过LO信号的频率转移，以输出IF信号，并检测IF信号的输出电压; 连接到输入级的出血晶体管，将施加到其栅极 - 源极级的对应于直流电压的电流作为输出级的晶体管的输出电流提供，并以AC方式与输入端互补地工作控制在变频阶段流动的电流; 将从变频级提供的输出电压与预设参考电压进行比较的共模反馈电路，调整输出电压使得输出电压与参考电压相等，并将调整的输出电压直接馈送到出血晶体管; 以及由电阻器组成的负载级，并分配施加到变频级的电源电压。

8. 发明申请

US20120029135A1 Polyphenylene Sulfide Synthetic Hair Filaments And Processes For Preparing The Same 审中-公开
标题翻译：聚苯硫醚合成毛发及其制备方法
公开(公告)号：US20120029135A1
公开(公告)日：2012-02-02
申请号：US12899612
申请日：2010-10-07
申请人： Jong Chun Kim , Hwan Chul Kim , Chan Young Kim , Seung Min Oh
发明人： Jong Chun Kim , Hwan Chul Kim , Chan Young Kim , Seung Min Oh
IPC分类号： C08K3/34 , B29C47/90 , C08K3/36 , C08L81/04
CPC分类号： D01F6/765 , A41G3/0083 , D01F1/04 , D01F1/10
摘要： The present invention provides a polyphenylene sulfide synthetic hair filament. The synthetic hair filament comprises (A) a polyphenylene sulfide resin; and (B) an inorganic particle quencher additive, wherein said PPS resin melt index range is 60˜110, wherein said inorganic quencher additive is added at 0.1˜2.0 parts by weight on a 100 parts by weight PPS resin. The synthetic hair filament has a filament size of about 30 to about 80 dtex. The polyphenylene sulfide resin (A) has a p-phenylene sulfide repeating unit above 85% mole. The inorganic particle quencher additive may be of silicon dioxide, talc or the combinations thereof. A suitable inorganic particle quencher additive has an average diameter range of 0.01˜3.0 μm.
摘要翻译：本发明提供聚苯硫醚合成毛发丝。合成毛发丝包含（A）聚苯硫醚树脂; 和（B）无机颗粒猝灭剂添加剂，其中所述PPS树脂熔体指数范围为60〜110，其中所述无机猝灭剂添加剂在100重量份PPS树脂上以0.1〜2.0重量份添加。合成毛发长丝的长度为约30至约80dtex。聚苯硫醚树脂（A）具有高于85％摩尔的对苯硫醚重复单元。无机颗粒猝灭剂添加剂可以是二氧化硅，滑石或它们的组合。合适的无机颗粒猝灭剂添加剂的平均直径范围为0.01〜3.0μm。

9. 发明授权

US08779803B2 Data output driver and integrated circuit including the same 有权
标题翻译：数据输出驱动器和集成电路包括相同
公开(公告)号：US08779803B2
公开(公告)日：2014-07-15
申请号：US13280665
申请日：2011-10-25
申请人： Seung Min Oh
发明人： Seung Min Oh
IPC分类号： H03K3/00
CPC分类号： H03K3/00 , G11C7/1057 , G11C7/1069 , H03K5/12 , H03K19/00361 , H03K19/00384 , H03K19/017581
摘要： A data output driver includes a pull-up output pre-driver configured to output a plurality of pull-up signals, wherein whether each of the plurality of pull-up signals is enabled is determined in accordance with a driver mode signal, a pull-down output pre-driver configured to output a plurality of pull-down signals, wherein whether each of the plurality of pull-down signals is enabled is determined in accordance with the driver mode signal, and an output driver circuit configured to output data, wherein a driver strength of the output driver circuit is determined in accordance with the pull-up signals and pull-down signals.
摘要翻译：数据输出驱动器包括被配置为输出多个上拉信号的上拉输出预驱动器，其中根据驱动器模式信号确定多个上拉信号中的每一个是否被使能，下输出预驱动器被配置为输出多个下拉信号，其中根据驱动器模式信号确定多个下拉信号中的每一个是否被使能，以及被配置为输出数据的输出驱动器电路，其中根据上拉信号和下拉信号确定输出驱动器电路的驱动器强度。

10. 发明授权

US08482996B2 Nonvolatile memory apparatus with changeable operation speed and related signal control method 有权
标题翻译：具有可变操作速度和相关信号控制方法的非易失性存储设备
公开(公告)号：US08482996B2
公开(公告)日：2013-07-09
申请号：US12968085
申请日：2010-12-14
申请人： Seung Min Oh
发明人： Seung Min Oh
IPC分类号： G11C7/10 , G11C7/00
CPC分类号： G11C7/1045 , G11C7/1057 , G11C7/1084 , G11C16/32
摘要： Various embodiments of a nonvolatile memory apparatus configured to operate in a first operation mode and a second operation mode are disclosed. In one exemplary embodiment, the apparatus may include: a controller configured to enable complementary signal input/output buffers in response to a command for entry into the first operation mode and disable the complementary signal input/output buffers in response to a command for transition to the second operation mode while operating under the first operation mode.
摘要翻译：公开了配置成在第一操作模式和第二操作模式下操作的非易失性存储装置的各种实施例。在一个示例性实施例中，装置可以包括：控制器，被配置为响应于进入第一操作模式的命令而启用互补信号输入/输出缓冲器，并且响应于转换到在第一操作模式下操作的第二操作模式。

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