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40 条记录 (耗时 0.019 秒)

    Piezoelectric actuator drive system
    1.
    发明申请
    Piezoelectric actuator drive system 有权

    公开(公告)号：US20060061232A1

    公开(公告)日：2006-03-23

    申请号：US10994459

    申请日：2004-11-23

    申请人： Byoung Min ,  Hyoung Jeon ,  Hyun Kim

    发明人： Byoung Min ,  Hyoung Jeon ,  Hyun Kim

    IPC分类号： H01L41/09

    CPC分类号： H02N2/0075 ,  H02N2/147

    摘要： Disclosed herein is a piezoelectric actuator drive system for forward or backward driving a piezoelectric actuator for zooming and/or focusing in a camera module. The piezoelectric actuator drive system comprises a power supply for supplying an operating voltage, a drive controller for controlling generation of a forward/backward drive signal for a piezoelectric actuator in response to an operation ON select signal and a forward/backward driving select signal, a clock generator for generating a first clock signal in response to the operating voltage from the power supply, and a drive signal generator for generating and supplying the forward or backward drive signal to the piezoelectric actuator in response to the first clock signal from the clock generator and the operating voltage from the power supply under the forward/backward drive signal generation control of the drive controller.

    Variable square-wave drive device
    2.
    发明申请
    Variable square-wave drive device 失效
    可变方波驱动装置

    公开(公告)号：US20050213653A1

    公开(公告)日：2005-09-29

    申请号：US10849960

    申请日：2004-05-21

    申请人： Byoung Min ,  Hyun Kim ,  Hyoung Jeon

    发明人： Byoung Min ,  Hyun Kim ,  Hyoung Jeon

    IPC分类号： G03B3/10 ,  G02B3/14 ,  G02B7/08 ,  G02F1/13 ,  G02F1/133 ,  G02F1/29 ,  G03B13/34 ,  G09G3/36 ,  H01R13/66 ,  H03K7/02 ,  H03K7/08 ,  H04B17/00

    CPC分类号： G02F1/13306 ,  G02F1/29

    摘要： A variable square-wave drive device for controlling square waves using feedback- and bias-control methods. The variable square-wave drive device includes an oscillator for generating a clock pulse; a frequency-divider/duty controller for frequency-dividing the clock pulse received from the oscillator to generate a clock signal and a square-wave signal; a drive for amplifying the square-wave signal received from the frequency-divider/duty controller according to a bias voltage, generating first and second square-wave signals having opposite phases, and outputting the first and second square-wave signals as a square-wave drive signal; a feedback controller for comparing a predetermined voltage variable determined by a user with the bias voltage of the drive to generate a comparison result signal; a switching controller for generating a switching signal upon receiving the comparison result signal from the feedback controller; and a bias voltage regulator for charging/discharging the input voltage according to the switching signal received from the switching controller so that it can adjust the bias voltage of the drive.

    摘要翻译： 一种使用反馈和偏置控制方法控制方波的可变方波驱动装置。 可变方波驱动装置包括用于产生时钟脉冲的振荡器; 用于对从振荡器接收的时钟脉冲进行分频以产生时钟信号和方波信号的分频器/占空比控制器; 驱动器，用于根据偏置电压放大从分频器/占空比控制器接收的方波信号，产生具有相反相位的第一和第二方波信号，并将第一和第二方波信号输出为方波， 波驱动信号; 用于将由用户确定的预定电压变量与所述驱动器的偏置电压进行比较以产生比较结果信号的反馈控制器; 切换控制器，用于在从反馈控制器接收到比较结果信号时产生切换信号; 以及偏置电压调节器，用于根据从开关控制器接收的开关信号对输入电压进行充电/放电，从而可以调节驱动器的偏置电压。

    SINGLE-STAGE BACKLIGHT INVERTER AND METHOD FOR DRIVING THE SAME
    3.
    发明申请
    SINGLE-STAGE BACKLIGHT INVERTER AND METHOD FOR DRIVING THE SAME 失效
    单级背照灯逆变器及其驱动方法

    公开(公告)号：US20050146907A1

    公开(公告)日：2005-07-07

    申请号：US10795341

    申请日：2004-03-09

    申请人： Hyoung Jeon ,  Byoung Min ,  Hyun Kim

    发明人： Hyoung Jeon ,  Byoung Min ,  Hyun Kim

    IPC分类号： H05B41/26 ,  H02M7/5387 ,  H05B41/282 ,  H02M3/335

    CPC分类号： H05B41/2828 ,  H02M7/53871 ,  Y02B20/186

    摘要： Disclosed herein are a single-stage backlight inverter and a method for driving the same. The single-stage backlight inverter comprises a main oscillator for generating a predetermined triangle-wave oscillation signal, a predetermined clock signal and an inverted clock signal, and an output drive controller responsive to the triangle-wave oscillation signal, clock signal and inverted clock signal from the main oscillator and first and second reference voltages set therein. The second reference voltage has a level set to an intermediate level of the triangle-wave oscillation signal. The output drive controller is adapted to generate a first drive control signal and generate a second drive control signal. The inverter further comprises a first output unit for outputting a pair of first switching signals in response to the first drive control signal, and a second output unit for outputting a pair of second switching signals in response to the second drive control signal.

    摘要翻译： 本文公开了单级背光逆变器及其驱动方法。 单级背光反相器包括用于产生预定三角波振荡信号的主振荡器，预定时钟信号和反相时钟信号，以及响应于三角波振荡信号，时钟信号和反相时钟信号的输出驱动控制器 从主振荡器和其中设置的第一和第二参考电压。 第二参考电压具有设置为三角波振荡信号的中间电平的电平。 输出驱动控制器适于产生第一驱动控制信号并产生第二驱动控制信号。 逆变器还包括用于响应于第一驱动控制信号输出一对第一开关信号的第一输出单元和用于响应于第二驱动控制信号输出一对第二开关信号的第二输出单元。

    CONTROL CIRCUIT OF DC-DC CONVERTER
    4.
    发明申请
    CONTROL CIRCUIT OF DC-DC CONVERTER 有权
    DC-DC转换器的控制电路

    公开(公告)号：US20080106243A1

    公开(公告)日：2008-05-08

    申请号：US11928845

    申请日：2007-10-30

    申请人： Jeong CHEON ,  Byoung Min ,  Chang Ha ,  Deuk Park

    发明人： Jeong CHEON ,  Byoung Min ,  Chang Ha ,  Deuk Park

    IPC分类号： G05F1/00

    CPC分类号： H02M3/3376 ,  H02M1/36 ,  H02M2001/0058 ,  Y02B70/1491

    摘要： A control circuit of a DC-DC converter is provided. A mode selection section selects an ACF or LLC mode. A soft start section generates a soft start signal in the ACF and LLC modes. A PWM comparison section compares a current detection signal with a feedback signal, a feedback reference signal and the soft start signal in the ACF mode, and generates a PWM signal based on a comparison result. A selection section selects the PWM signal of the PWM comparison section in the ACF mode. A clock generation section generates a clock signal having a fixed frequency in the ACF mode, and generates a clock signal having a frequency based on an operating current and the soft start signal in the LLC mode. A latch section maintains the PWM signal in response to the clock signal in the ACF mode and maintains the clock signal in the LLC mode.

    摘要翻译： 提供DC-DC转换器的控制电路。 模式选择部分选择ACF或LLC模式。 软启动部分在ACF和LLC模式下产生软启动信号。 PWM比较部分将电流检测信号与ACF模式中的反馈信号，反馈参考信号和软启动信号进行比较，并且基于比较结果生成PWM信号。 选择部分在ACF模式下选择PWM比较部分的PWM信号。 时钟产生部分以ACF模式产生具有固定频率的时钟信号，并且在LLC模式下产生具有基于工作电流的频率和软启动信号的时钟信号。 锁存部分响应于ACF模式中的时钟信号而保持PWM信号，并将时钟信号保持在LLC模式。

    Vertical diode formation in SOI application
    5.
    发明申请
    Vertical diode formation in SOI application 有权
    SOI应用中的垂直二极管形成

    公开(公告)号：US20060284260A1

    公开(公告)日：2006-12-21

    申请号：US11158022

    申请日：2005-06-21

    申请人： Byoung Min ,  Laegu Kang ,  Michael Khazhinsky

    发明人： Byoung Min ,  Laegu Kang ,  Michael Khazhinsky

    IPC分类号： H01L29/94

    CPC分类号： H01L29/8611 ,  H01L27/0255 ,  H01L29/66136 ,  H01L29/868

    摘要： A method for making a semiconductor device is provided. The method comprises (a) providing a semiconductor stack comprising a semiconductor substrate (203), a first semiconductor layer (205), and a first dielectric layer (207) disposed between the substrate and the first semiconductor layer; (b) forming a first trench in the first dielectric layer which exposes a portion of the substrate; (c) forming a first doped region (209) in the exposed portion of the substrate; and (d) forming anode (211) and cathode (213) regions in the first implant region.

    摘要翻译： 提供一种制造半导体器件的方法。 该方法包括（a）提供包括半导体衬底（203），第一半导体层（205）和设置在衬底和第一半导体层之间的第一电介质层（207）的半导体堆叠; （b）在所述第一电介质层中形成暴露所述衬底的一部分的第一沟槽; （c）在所述衬底的暴露部分中形成第一掺杂区域（209）; 和（d）在第一注入区域中形成阳极（211）和阴极（213）区域。

    Driving method of external electrode fluorescent lamp inverter for backlight
    7.
    发明申请
    Driving method of external electrode fluorescent lamp inverter for backlight 失效

    公开(公告)号：US20060250095A1

    公开(公告)日：2006-11-09

    申请号：US11320794

    申请日：2005-12-30

    申请人： Suok Min ,  Gun-Woo Moon ,  Won Oh ,  Byoung Min ,  Jong Kim

    发明人： Suok Min ,  Gun-Woo Moon ,  Won Oh ,  Byoung Min ,  Jong Kim

    IPC分类号： H05B41/16

    CPC分类号： H05B41/2825 ,  Y02B20/185

    摘要： A driving method of external electrode fluorescent lamp inverter for backlight. In the driving method, a square wave voltage frequency for driving the external electrode fluorescent lamp is applied to the primary side of a transformer in the region whose frequency is substantially ½ of the resonant frequency which is determined by the capacitance of the external electrode fluorescent lamp and the leakage inductance of the transformer. Then, the external electrode fluorescent lamp is caused to emit light by the self-discharge to thereby obtain high efficiency and high luminance. The driving method of external electrode fluorescent lamp inverter for backlight includes applying a square wave voltage for driving an external electrode fluorescent lamp to the primary side of a transformer; and applying the square wave voltage to the primary side of transformer in a region where the frequency thereof is substantially ½ of a resonant frequency, which is determined by the capacitance of the external electrode fluorescent lamp and the leakage inductance of the transformer, and thus causing the external electrode fluorescent lamp to emit light by the self-discharge.

    Process for forming an electronic device including a fin-type structure
    8.
    发明申请
    Process for forming an electronic device including a fin-type structure 有权
    用于形成包括翅片型结构的电子设备的方法

    公开(公告)号：US20070161171A1

    公开(公告)日：2007-07-12

    申请号：US11328668

    申请日：2006-01-10

    申请人： James Burnett ,  Leo Mathew ,  Byoung Min

    发明人： James Burnett ,  Leo Mathew ,  Byoung Min

    IPC分类号： H01L21/8234 ,  H01L21/336

    CPC分类号： H01L29/785 ,  H01L21/845 ,  H01L27/1211 ,  H01L29/66795

    摘要： A process for forming an electronic device can include forming a semiconductor fin of a first height for a fin-type structure and removing a portion of the semiconductor fin such that the semiconductor fin is shortened to a second height. In accordance with specific embodiment a second semiconductor fin can be formed, each of the first and the second semiconductor fins having a different height representing a channel width. In accordance with another specific embodiment a second and a third semiconductor fin can be formed, each of the first, the second and the third semiconductor fins having a different height representing a channel width.

    摘要翻译： 用于形成电子器件的工艺可以包括形成用于鳍型结构的第一高度的半导体鳍片，并且去除半导体鳍片的一部分，使得半导体鳍片缩短到第二高度。 根据具体实施例，可以形成第二半导体鳍片，第一和第二半导体鳍片中的每一个具有表示沟道宽度的不同高度。 根据另一具体实施例，可以形成第二和第三半导体鳍片，第一，第二和第三半导体鳍片中的每一个具有代表沟道宽度的不同高度。