利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

63 条记录 (耗时 0.049 秒)

    METHOD AND APPARATUS FOR PROVIDING IMPEDANCE MATCHING FOR HIGH-FREQUENCY SIGNAL TRANSMITTER
    12.
    发明申请
    METHOD AND APPARATUS FOR PROVIDING IMPEDANCE MATCHING FOR HIGH-FREQUENCY SIGNAL TRANSMITTER 有权
    用于提供高频信号发射机的阻抗匹配的方法和装置

    公开(公告)号：US20110189964A1

    公开(公告)日：2011-08-04

    申请号：US12699112

    申请日：2010-02-03

    申请人： Joo Young Jeon ,  Sang Hwa Jung ,  Jung Hyun Kim ,  Young Kwon

    发明人： Joo Young Jeon ,  Sang Hwa Jung ,  Jung Hyun Kim ,  Young Kwon

    IPC分类号： H04B1/04

    CPC分类号： H04B1/04

    摘要： In accordance with another representative embodiment, a high-frequency signal transmitter a power amplifier configured to supply a high-frequency signal; an antenna configured to transmit the high-frequency signal; a transmission line configured to transfer the high-frequency signal from the power amplifier to the antenna; and an impedance matching circuit connected to the transmission line. The high-frequency signal transmitter also comprises a mismatch detector. The mismatch detector is configured to designate a comparatively poor linearity region and a comparatively good linearity region by dividing a Smith chart into the two regions based on Adjacent Channel Power Ratio (ACPR) contours drawn on the Smith chart at a point on the transmission line where the impedance matching circuit is connected, to measure a time-dependent reflection coefficient of the high-frequency signal transmitter in terms of a phase and a magnitude, to determine whether the reflection coefficient is located in the comparatively poor linearity region or the comparatively good linearity region, and based on a result of the determination, to improve the linearity of the high-frequency signal transmitter.

    摘要翻译： 根据另一个代表性实施例，一种高频信号发射机，被配置为提供高频信号的功率放大器; 配置为发送高频信号的天线; 传输线，被配置为将高频信号从功率放大器传送到天线; 以及与传输线连接的阻抗匹配电路。 高频信号发射机还包括不匹配检测器。 不匹配检测器被配置为通过基于在传输线上的一点上在史密斯圆图上绘制的相邻信道功率比（ACPR）轮廓将史密斯圆图划分成两个区域来指定相对较差的线性区域和相对良好的线性度区域，其中 连接阻抗匹配电路，根据相位和幅度测量高频信号发射器的时间相关反射系数，以确定反射系数是否位于相对较差的线性区域或较好的线性度 区域，并且基于确定的结果，提高高频信号发射机的线性度。

    Radar detector having function of hands-free device
    14.
    发明授权
    Radar detector having function of hands-free device 有权
    雷达探测器具有免提装置功能

    公开(公告)号：US07440779B2

    公开(公告)日：2008-10-21

    申请号：US11299770

    申请日：2005-12-13

    申请人： Dong Chul Kim ,  Jeong Hun Kim ,  Young Jip Kim ,  Jong Yeon Kim ,  Jung Hyun Kim

    发明人： Dong Chul Kim ,  Jeong Hun Kim ,  Young Jip Kim ,  Jong Yeon Kim ,  Jung Hyun Kim

    IPC分类号： H04M1/00

    CPC分类号： H04M1/6075 ,  G01S7/021 ,  H04B1/3877

    摘要： A radar detector enabling hands-free communication over a mobile phone by connecting the mobile phone to the radar detector. The radar detector includes a horn antenna; a signal-processing unit (SPU) for detecting a signal received by the horn antenna; a laser module for receiving a laser signal; a central processing unit (CPU) for controlling the SPU; a pulse delay unit for delaying or sustaining a CPU pulse; a sweep voltage generator unit for driving the SPU; a warning unit for warning the detected signal; an audio amplifier controller connected to the CPU and the warning unit to amplify an audio signal; and a connecting unit installed to connect the audio amplifier controller with a mobile phone. The connecting unit includes a microphone, a switch for reception of a signal from the mobile phone, and a connection portion for connection to the mobile phone.

    摘要翻译： 一种雷达检测器，通过将移动电话连接到雷达探测器，实现手机上的免提通信。 雷达检测器包括喇叭天线; 用于检测由喇叭天线接收的信号的信号处理单元（SPU）; 用于接收激光信号的激光模块; 用于控制SPU的中央处理单元（CPU）; 用于延迟或维持CPU脉冲的脉冲延迟单元; 用于驱动SPU的扫描电压发生器单元; 用于警告所检测到的信号的警告单元; 音频放大器控制器，连接到CPU和警告单元以放大音频信号; 以及安装用于将音频放大器控制器与移动电话连接的连接单元。 连接单元包括麦克风，用于接收来自移动电话的信号的开关，以及用于连接到移动电话的连接部分。

    Detection circuit, detection method thereof, and memory system including the detection circuit
    16.
    发明授权
    Detection circuit, detection method thereof, and memory system including the detection circuit 有权
    检测电路，检测方法以及包括检测电路的存储器系统

    公开(公告)号：US08561186B2

    公开(公告)日：2013-10-15

    申请号：US13239687

    申请日：2011-09-22

    申请人： Ji Myung Na ,  Jung Hyun Kim ,  Seong Il Park

    发明人： Ji Myung Na ,  Jung Hyun Kim ,  Seong Il Park

    IPC分类号： G06F11/00 ,  G06F7/58

    CPC分类号： G06F21/87

    摘要： A detection circuit, including a sensing circuit configured to sense whether there is an external attack and generate second data from first data, a data conversion circuit configured to convert the first data to third data, and a comparator configured to compare the second data with the third data.

    摘要翻译： 一种检测电路，包括：感测电路，被配置为感测是否存在外部攻击并从第一数据生成第二数据;数据转换电路，被配置为将所述第一数据转换为第三数据;以及比较器，被配置为将所述第二数据与 第三个数据。

    Digital PWM generator and apparatus for driving light emitting device
    17.
    发明授权
    Digital PWM generator and apparatus for driving light emitting device 失效
    用于驱动发光器件的数字PWM发生器和装置

    公开(公告)号：US08519637B2

    公开(公告)日：2013-08-27

    申请号：US13069558

    申请日：2011-03-23

    申请人： Jung Hyun Kim ,  Bo Hyun Hwang ,  Jung Sun Kwon ,  Seung Kon Kong ,  Jae Shin Lee ,  Joon Youp Sung

    发明人： Jung Hyun Kim ,  Bo Hyun Hwang ,  Jung Sun Kwon ,  Seung Kon Kong ,  Jae Shin Lee ,  Joon Youp Sung

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0842 ,  H05B33/0818 ,  H05B33/0824 ,  Y02B20/346

    摘要： There is provided a digital PWM generator according to a first exemplary embodiment of the present invention including: an A/D converter dividing a predetermined reference voltage into a plurality of sections corresponding to a predetermined first set value, searching a section to which the magnitude of an input voltage Vin corresponds, among the plurality of sections, and converting a value corresponding to the searched section into a digital signal; a frequency selector providing a counting number by counting a predetermined high-speed counting clock during a one-cycle section of a predetermined reference clock; and a PWM signal generator converting the digital signal from the A/D converter into a ratio value corresponding to a ratio for the reference voltage and generating a PWM signal having a controlled duty ratio of the reference clock by using the ratio value and the counting number from the frequency selector.

    摘要翻译： 提供了根据本发明的第一示例性实施例的数字PWM发生器，包括：A / D转换器，将预定的参考电压分成对应于预定的第一设定值的多个部分， 在多个部分中，输入电压Vin对应于将与搜索到的部分相对应的值转换为数字信号; 频率选择器，通过在预定参考时钟的一个周期段内对预定的高速计数时钟进行计数来提供计数数; 以及PWM信号发生器，其将来自A / D转换器的数字信号转换成与参考电压的比率相对应的比值，并通过使用比值和计数数来产生具有参考时钟的受控占空比的PWM信号 从频率选择器。

    SEMICONDUCTOR MANUFACTURING APPARATUS
    18.
    发明申请
    SEMICONDUCTOR MANUFACTURING APPARATUS 有权
    半导体制造设备

    公开(公告)号：US20130213300A1

    公开(公告)日：2013-08-22

    申请号：US13760424

    申请日：2013-02-06

    申请人： Ki Bum SUNG ,  Jo young Lee ,  Mihan Joong Kim ,  Chang Geun Ahn ,  Jung Hyun Kim

    发明人： Ki Bum SUNG ,  Jo young Lee ,  Mihan Joong Kim ,  Chang Geun Ahn ,  Jung Hyun Kim

    IPC分类号： B05C13/02

    CPC分类号： H01L21/68785 ,  B05C13/02 ,  H01L21/68735 ,  H01L21/68764 ,  H01L21/68771

    摘要： Disclosed is a semiconductor manufacturing apparatus including at least one pocket on which a passive subject on which deposition will be executed is mounted, and a carrier body having an insertion space to which the at least one pocket is detachably attached. Therefore, the semiconductor manufacturing apparatus shortens process time and reduces process expenses. The semiconductor manufacturing apparatus allows respective pockets to have different structures according to the positions of the pockets on the wafer carrier, and thus achieves uniform growth of a material on the surfaces of wafers regardless of the positions of the pockets.

    摘要翻译： 公开了一种半导体制造装置，其包括至少一个口袋，在该口袋上安装有将被执行沉积的无源被摄体，以及具有插入空间的载体主体，所述至少一个口袋可拆卸地附接到该插入空间。 因此，半导体制造装置缩短处理时间，降低处理费用。 半导体制造装置允许相应的凹槽根据晶片载体上的凹穴的位置而具有不同的结构，并且因此无论凹槽的位置如何，均能实现晶片表面上的材料的均匀生长。

    Light emitting diode driver
    19.
    发明授权
    Light emitting diode driver 有权
    发光二极管驱动器

    公开(公告)号：US08344662B2

    公开(公告)日：2013-01-01

    申请号：US12885903

    申请日：2010-09-20

    申请人： Bo Hyun Hwang ,  Jae Shin Lee ,  Jung Hyun Kim ,  Jung Sun Kwon ,  Seung Kon Kong

    发明人： Bo Hyun Hwang ,  Jae Shin Lee ,  Jung Hyun Kim ,  Jung Sun Kwon ,  Seung Kon Kong

    IPC分类号： G05F1/00

    CPC分类号： H02M1/44 ,  H02M3/156 ,  H03K17/162 ,  H05B33/0809

    摘要： There is provided a light emitting diode (LED) driver removing signal interference by varying a switching frequency within a preset range. The LED driver includes a power supply section switching input power and supplying driving power to at least one LED; a switching control section controlling the switching of the power supply section according to a clock signal being supplied; and a clock signal generation section supplying the clock signal having a preset variable frequency range to the switching control section.

    摘要翻译： 提供了通过在预设范围内改变开关频率来消除信号干扰的发光二极管（LED）驱动器。 所述LED驱动器包括：电源部，切换输入电力，并向至少一个LED提供驱动电力; 切换控制部，根据供给的时钟信号来控制供电部的切换; 以及向切换控制部提供具有预设可变频率范围的时钟信号的时钟信号生成部。

    LED DRIVING DEVICE
    20.
    发明申请
    LED DRIVING DEVICE 失效
    LED驱动装置

    公开(公告)号：US20120212146A1

    公开(公告)日：2012-08-23

    申请号：US13109535

    申请日：2011-05-17

    申请人： Bo Hyun HWANG ,  Jung Sung Kwon ,  Jung Hyun Kim ,  Seung Kon Kong ,  Jae Shin Lee ,  Joon Youp Sung

    发明人： Bo Hyun HWANG ,  Jung Sung Kwon ,  Jung Hyun Kim ,  Seung Kon Kong ,  Jae Shin Lee ,  Joon Youp Sung

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0827 ,  H05B33/0842

    摘要： Disclosed herein is a light emitting diode (LED) driving device for driving a multi-channel LED element or an LED array for each channel, the LED driving device including: a constant current driver driving currents flowing in each channel; a first switching unit selectively feeding-back voltage levels of each channel; and a switching controller controlling the turn on/off of the first switching unit, wherein matching characteristics of currents flowing in each channel is improved and a size of an integrated circuit (IC) chip is also reduced as compared to a case according to the related art, thereby making it possible to reduce a production cost and satisfy the trend of miniaturization of the chip, while solving a performance deterioration problem due to degradation of the matching of the currents between the channels.

    摘要翻译： 本发明公开了一种用于驱动每个通道的多通道LED元件或LED阵列的发光二极管（LED）驱动装置，该LED驱动装置包括：驱动在每个通道中流动的电流的恒流驱动器; 第一开关单元选择性地反馈每个通道的电压电平; 以及控制第一开关单元的接通/断开的开关控制器，其中改善了在每个通道中流动的电流的匹配特性，并且与根据相关的情况相比，集成电路（IC）芯片的尺寸也降低 从而可以降低生产成本并满足芯片小型化的趋势，同时解决由于通道之间的电流匹配劣化引起的性能劣化问题。