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    • 27. 发明申请
    • Apparatus and method for recognizing code
    • 用于识别代码的装置和方法
    • US20050001033A1
    • 2005-01-06
    • US10492305
    • 2002-05-13
    • Cheol Ho CheongNam Kyu LeeTack Don Han
    • Cheol Ho CheongNam Kyu LeeTack Don Han
    • G06K7/12G06K7/10G06T1/00G06K7/14
    • G06T1/0021
    • An apparatus and method for recognizing a code from a code image that is expressed physically or electronically and extracting data represented in the code image is provided. The method includes the steps of receiving a raw image in which a code image is contained, detecting a background image included in the raw image, extracting a code image region in which a background image is excluded, recognizing the shape and type of the code image and the color or shade represented in each of cells, converting the color or shade recognized from each of the cells into a corresponding character, number, or symbol and generating code data. The code image in which predetermined data are represented as colors or shades are received, and original colors or shades can be precisely discriminated regardless of an environment in which the code image is recognized.
    • 提供一种用于从物理或电子表示的代码图像中识别代码并提取代码图像中表示的数据的装置和方法。 该方法包括以下步骤:接收包含代码图像的原始图像,检测原始图像中包括的背景图像,提取其中排除背景图像的代码图像区域,识别代码图像的形状和类型 以及在每个单元格中表示的颜色或阴影,将从每个单元识别的颜色或阴影转换为相应的字符,数字或符号并生成代码数据。 接收预定数据被表示为颜色或阴影的代码图像,并且无论识别代码图像的环境如何,都可以精确地识别原始颜色或阴影。
    • 28. 发明授权
    • Circuit and method for driving plasma display panel
    • 用于驱动等离子体显示面板的电路和方法
    • US06340960B1
    • 2002-01-22
    • US09253730
    • 1999-02-22
    • Young Bok SongJae Hyuck LeeMoon Shick ChungNam Kyu Lee
    • Young Bok SongJae Hyuck LeeMoon Shick ChungNam Kyu Lee
    • G09G328
    • G09G3/2022G09G3/294G09G2310/0205G09G2310/0216G09G2310/0218G09G2310/0221G09G2310/0283G09G2320/0266
    • Circuit and method for driving a plasma display panel, the method including the steps of (1) applying first scan pulses to a first driving block, which is any one of the driving blocks, in every given driving cycle starting from a first scan electrode line to (n)th scan electrode line in succession, and (2) applying second scan pulses each having a given application time difference from the application time of the first scan pulse to a second driving block adjacent to the first driving block starting from (m)th scan line to a first scan line in a reverse sequence to the first scan pulses, whereby preventing an occurrence of flicker because interfaces between driving blocks are continuous with respect to and providing a PDP having a resolution better than an HDTV because intervals of scan pulse application to adjacent lines are short.
    • 用于驱动等离子体显示面板的电路和方法,所述方法包括以下步骤:(1)在从第一扫描电极线开始的每个给定的驱动周期中将第一扫描脉冲施加到作为任一驱动块的第一驱动块 (n)扫描电极线,以及(2)将从第一扫描脉冲的施加时间起的给定施加时间差的第二扫描脉冲施加到与第一驱动块相邻的第二驱动块,从(m )扫描线到与第一扫描脉冲相反的序列到第一扫描线,由此防止发生闪烁,因为驱动块之间的接口相对于并且提供具有比HDTV更高的分辨率的PDP是连续的,因为扫描间隔 对相邻线路的脉冲施加较短。
    • 29. 发明授权
    • Light emitting diode driving circuit having voltage detection
    • 具有电压检测的发光二极管驱动电路
    • US08144111B2
    • 2012-03-27
    • US12251176
    • 2008-10-14
    • Jin Hwan KimNam Kyu LeeDoo Ho YooYoung Jong Yoo
    • Jin Hwan KimNam Kyu LeeDoo Ho YooYoung Jong Yoo
    • G09G3/36
    • H05B33/0815G09G3/342G09G2320/064G09G2330/04H05B33/0827Y02B20/347
    • There is provided a driving circuit of a light emitting device. The driving circuit of a light emitting may include: a DC/DC converter converting an input DC voltage into an output DC voltage; a light emitting device block including a plurality of LED groups connected to an output terminal of the DC/DC converter; a current source circuit unit including a plurality of current sources; a voltage detection unit detecting the output DC voltage of the DC/DC converter; a minimum voltage detection unit detecting a minimum voltage among a plurality of voltages between the plurality of LED groups and the plurality of current sources, respectively; and a single comparator including a first non-inverting input terminal receiving the voltage detected by the voltage detection unit, a second non-inverting input terminal receiving the minimum voltage detected by the minimum voltage detection unit, and an inverting input terminal receiving a predetermined reference voltage.
    • 提供了一种发光装置的驱动电路。 发光的驱动电路可以包括:将输入DC电压转换为输出DC电压的DC / DC转换器; 发光器件块,包括连接到DC / DC转换器的输出端子的多个LED组; 包括多个电流源的电流源电路单元; 电压检测单元,检测DC / DC转换器的输出直流电压; 最小电压检测单元,分别检测所述多个LED组和所述多个电流源之间的多个电压中的最小电压; 以及单个比较器,包括接收由电压检测单元检测到的电压的第一非反相输入端子,接收由最小电压检测单元检测到的最小电压的第二非反相输入端子和接收预定参考值的反相输入端子 电压。