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    • 13. 发明申请
    • LARYNGEAL STROBOSCOPE USING VOICE SIGNAL
    • 使用语音信号进行语音切换
    • US20100324374A1
    • 2010-12-23
    • US12666162
    • 2008-05-29
    • Byoung Chul KimKyong Hae ParkKi Sik KownBum Yong ChoiJong Won ParkKyu Won LeeJin Choon Lee
    • Byoung Chul KimKyong Hae ParkKi Sik KownBum Yong ChoiJong Won ParkKyu Won LeeJin Choon Lee
    • A61B1/267
    • A61B1/2673
    • Provided is a laryngeal stroboscope using voice signals. The laryngeal stroboscope includes a photography unit for photographing a patient's vocal cords and a light source for illuminating a part to be photographed, a microphone for sensing the patient's voice, a high-pass filter for passing voice signals of 100 Hz or more among voice signals output from the microphone, a low-pass filter for removing signals of harmonic components from the voice signals output from the high-pass filter and passing only a voice signal in a fundamental frequency band, a peak detector for detecting a peak of the voice signal output from the low-pass filter and obtaining a pitch, and a controller for controlling the light source to intermittently emit light in response to a signal output from the peak detector and controlling the photography unit to operate according to whether or not the light is intermittently emitted.
    • 提供使用语音信号的喉脉冲频率计。 喉式频闪仪包括用于拍摄患者声带的摄影单元和用于照射要拍摄的部分的光源,用于感测患者声音的麦克风,用于在语音信号中传递100Hz以上的语音信号的高通滤波器 从麦克风输出的低通滤波器,用于从高通滤波器输出的语音信号中除去谐波分量的信号,并仅传递基频带中的语音信号;峰值检测器,用于检测语音信号的峰值 从低通滤波器输出并获得音调,以及控制器,用于响应于从峰值检测器输出的信号来控制光源间歇地发光,并且控制摄影单元根据光是否间歇地进行操作 发射。
    • 14. 发明授权
    • Backlight unit and liquid crystal display device using the same
    • 背光单元和使用其的液晶显示装置
    • US07580016B2
    • 2009-08-25
    • US11208238
    • 2005-08-17
    • Byoung Chul KimYeon Taek Yoo
    • Byoung Chul KimYeon Taek Yoo
    • G09G3/36
    • G09G3/3413G09G2320/0247G09G2320/064
    • A backlight unit includes a light source part having red, green and blue light sources and a light source controller to generate a common control wave and to drive each of the red, green and blue light sources by use of a dimming signal from the outside and the common control wave. The light source controller may include a pulse width modulation controller. The common control wave may have a triangular shape. Each of the red, green and blue light sources is driven with the common triangular wave which is generated by a triangular wave generator. The size of the light source controller may be reduced and flickers may be substantially reduced.
    • 背光单元包括具有红色,绿色和蓝色光源的光源部分和用于产生公共控制波的光源控制器,并且通过使用来自外部的调光信号驱动红色,绿色和蓝色光源中的每一个, 共同的控制波。 光源控制器可以包括脉宽调制控制器。 公共控制波可以具有三角形。 红色,绿色和蓝色光源中的每一个由三​​角波发生器产生的公共三角波驱动。 可以减小光源控制器的尺寸并且可以显着地减少闪烁。
    • 16. 发明授权
    • LED driving apparatus and liquid crystal display apparatus using the same
    • LED驱动装置和使用其的液晶显示装置
    • US08289263B2
    • 2012-10-16
    • US11646719
    • 2006-12-27
    • Seok Woo LeeByoung Chul Kim
    • Seok Woo LeeByoung Chul Kim
    • G09G3/36G09G3/32
    • H05B33/0818G09G3/3406G09G2320/064H05B33/0857
    • There are provided a LED driving apparatus and a liquid crystal display apparatus using the same, in which a circuit configuration of the LED driving apparatus can be simplified and the cost of the LED driving apparatus can be saved in employing a LED as a light source of the liquid crystal display apparatus. The LED driving apparatus comprises a plurality of n LED lamps, constant voltage providing units that provide constant voltages to the plurality of LED lamps, respectively, a Pulse Width Modulation (PWM) control signal providing unit that provides PWM signals to the constant voltage providing units, respectively, and a feedback control unit that receives voltages feedbacked through the plurality of LED lamps, compensating for the voltages as constant voltages suitable for constant current driving of each of the LED lamps, and sequentially outputs the constant voltages to the constant voltage providing units, respectively, based on time-dividing.
    • 提供了一种LED驱动装置和使用该LED驱动装置的液晶显示装置,其中可以简化LED驱动装置的电路配置,并且可以节省LED驱动装置的成本,以将LED用作光源 液晶显示装置。 LED驱动装置包括多个n个LED灯,分别向多个LED灯提供恒定电压的恒定电压提供单元,脉宽调制(PWM)控制信号提供单元,其向恒定电压提供单元提供PWM信号 以及反馈控制单元,其接收通过所述多个LED灯反馈的电压,将所述电压补偿为适合于每个所述LED灯的恒定电流驱动的恒定电压,并且将所述恒定电压依次输出到所述恒定电压提供单元 ,分别基于时间分割。
    • 17. 发明申请
    • METHOD OF DIRECTLY TRADING PRODUCTS USING INTERNET-BASED COMMUNITY
    • 使用基于互联网的社区直接交易产品的方法
    • US20100094721A1
    • 2010-04-15
    • US12542406
    • 2009-08-17
    • Byoung Chul KimShang Yeop Han
    • Byoung Chul KimShang Yeop Han
    • G06Q30/00
    • G06Q30/06G06Q30/0601
    • The present invention relates to a method of directly trading products using an Internet-based community, in which each member registers an area, associated with both products that may be directly traded by the member and the member's traffic line, as a possible direct trading area. In the method, a management server receives a possible direct trading area from a terminal of a relevant member and stores information about the possible direct trading area in a database. The management server transmits information about a neighbor member who registered an identical possible direct trading area to the terminal of the relevant member. When a request to view information about a product registered by the neighbor member is received from the terminal of the relevant member, the management server extracts information about the product from the database and transmits the extracted product information to the terminal of the relevant member.
    • 本发明涉及一种使用基于互联网的社区直接交易产品的方法,其中每个成员注册与成员和成员的交通线直接交易的两种产品相关联的区域作为可能的直接交易区域 。 在该方法中,管理服务器从相关成员的终端接收可能的直接交易区域,并将关于可能的直接交易区域的信息存储在数据库中。 管理服务器向相关成员的终端发送关于注册了相同可能直接交易区域的邻居成员的信息。 从相关成员的终端接收到查看由邻居成员注册的产品的信息的请求时,管理服务器从数据库中提取关于该产品的信息,并将提取的产品信息发送给相关成员的终端。