公开(公告)号：US20120155894A1

公开(公告)日：2012-06-21

申请号：US13137817

申请日：2011-09-14

Applicant: Dong-kyu Kim ,  Kwon-cheol Lee

Inventor： Dong-kyu Kim ,  Kwon-cheol Lee

IPC: G03G15/00 ,  G03G15/01 ,  G03G15/16

CPC classification number: G03G15/5058 ,  G03G15/0131 ,  G03G15/161 ,  G03G15/5054 ,  G03G2215/00059 ,  G03G2215/0125 ,  G03G2215/0161

Abstract: An image forming apparatus and an auto color registration method of the same which prints a color image by single pass, the image forming apparatus including: a plurality of developing units which each develops a color image in a predetermined color; a transfer unit which transfers the color image developed by developing units to the print medium and include a transfer belt rotatably installed on a transfer path; a first detector provided in a predetermined location of the transfer belt to face the transfer belt and detects any defect from a surface of the transfer belt; a second detector provided in a predetermined location of the transfer belt to face the transfer belt and detects a test pattern of an auto color registration (ACR) error transferred to the transfer belt; and a controller which adjusts the ACR error based on data detected by the first detector and the second detector.

Abstract translation: 一种图像形成装置及其自动彩色配准方法，其通过单次打印彩色图像，所述图像形成装置包括：多个显影单元，其以预定颜色显影彩色图像; 传送单元，其将由显影单元显影的彩色图像传送到打印介质，并且包括可旋转地安装在传送路径上的转印带; 第一检测器，其设置在转印带的预定位置以面对转印带并检测来自转印带表面的任何缺陷; 第二检测器，设置在转印带的预定位置以面对转印带，并检测转印到转印带上的自动着色（ACR）误差的测试图案; 以及控制器，其基于由第一检测器和第二检测器检测到的数据来调整ACR误差。

公开(公告)号：US08948667B2

公开(公告)日：2015-02-03

申请号：US13137817

申请日：2011-09-14

Applicant: Dong-kyu Kim ,  Kwon-cheol Lee

Inventor： Dong-kyu Kim ,  Kwon-cheol Lee

IPC: G03G15/01 ,  G03G15/00 ,  G03G15/16

CPC classification number: G03G15/5058 ,  G03G15/0131 ,  G03G15/161 ,  G03G15/5054 ,  G03G2215/00059 ,  G03G2215/0125 ,  G03G2215/0161

Abstract: An image forming apparatus and an auto color registration method of the same which prints a color image by single pass, the image forming apparatus including: a plurality of developing units which each develops a color image in a predetermined color; a transfer unit which transfers the color image developed by developing units to the print medium and include a transfer belt rotatably installed on a transfer path; a first detector provided in a predetermined location of the transfer belt to face the transfer belt and detects any defect from a surface of the transfer belt; a second detector provided in a predetermined location of the transfer belt to face the transfer belt and detects a test pattern of an auto color registration (ACR) error transferred to the transfer belt; and a controller which adjusts the ACR error based on data detected by the first detector and the second detector.

Abstract translation: 一种图像形成装置及其自动彩色配准方法，其通过单次打印彩色图像，所述图像形成装置包括：多个显影单元，其以预定颜色显影彩色图像; 传送单元，其将由显影单元显影的彩色图像传送到打印介质，并且包括可旋转地安装在传送路径上的转印带; 第一检测器，其设置在转印带的预定位置以面对转印带并检测来自转印带表面的任何缺陷; 第二检测器，设置在转印带的预定位置以面对转印带，并检测转印到转印带上的自动着色（ACR）误差的测试图案; 以及控制器，其基于由第一检测器和第二检测器检测到的数据来调整ACR误差。

公开(公告)号：US5625476A

公开(公告)日：1997-04-29

申请号：US580703

申请日：1995-12-29

Applicant: Dong-kyu Kim

Inventor： Dong-kyu Kim

IPC: G02F1/1339 ,  G02F1/1345 ,  G02F1/136 ,  G02F1/1368

CPC classification number: G02F1/1345 ,  G02F1/1368

Abstract: A method for forming a common transfer contact of a liquid crystal display between a common electrode substrate and a thin film transistor substrate includes the steps of printing a seal pattern of a proper sealant on the common electrode substrate, assembling the common electrode substrate and the thin film transistor substrate by means of the seal pattern, cutting the common electrode substrate along a properly defined cutting line, and dotting the gap between the common electrode substrate and the thin film transistor substrate with an electrically conductive liquid-phase substance of a high viscosity to penetrate the gap by capillary action to thereby establish a common transfer contact between the common electrode substrate and the thin film transistor when being hardened.

Abstract translation: 在公共电极基板和薄膜晶体管基板之间形成液晶显示器的公共转印接触的方法包括以下步骤：在公共电极基板上印刷适当的密封剂的密封图案，组装公共电极基板和薄的 通过密封图案切割薄膜晶体管基板，沿着适当限定的切割线切割公共电极基板，并用高粘度的导电液相物质将公共电极基板和薄膜晶体管基板之间的间隙点划线 通过毛细作用渗透间隙，从而在硬化时在公共电极基板和薄膜晶体管之间建立共同的转移接触。

公开(公告)号：US20100174935A1

公开(公告)日：2010-07-08

申请号：US12652776

申请日：2010-01-06

Applicant: Dong-kyu Kim ,  Min-seon Kim

Inventor： Dong-kyu Kim ,  Min-seon Kim

IPC: G06F1/00

CPC classification number: H04N1/00888 ,  G03G15/5004 ,  H04N1/00885 ,  H04N1/00891 ,  H04N2201/0081 ,  H04N2201/0082 ,  H04N2201/0091 ,  H04N2201/0093 ,  H04N2201/0094

Abstract: A method of controlling power consumption of an image forming apparatus includes outputting information regarding power consumption of a plurality of operation units if a power consumption check mode is set, performing power save operation in which at least one operation unit from among the plurality of operation units is turned on and the remaining operation units are turned off if a power save mode is set. Accordingly, on/off of the plurality of operation units may be controlled in the power save mode based on power consumption of each of the operation units.

Abstract translation: 一种控制图像形成装置的功耗的方法包括：如果设置了功耗检查模式，则输出关于多个操作单元的功耗的信息，执行功率保存操作，其中来自多个操作单元中的至少一个操作单元 如果设置了省电模式，则其余的操作单元被关闭。 因此，可以基于每个操作单元的功耗来以节电模式来控制多个操作单元的开/关。

公开(公告)号：US07872622B2

公开(公告)日：2011-01-18

申请号：US11444185

申请日：2006-05-31

Applicant: Dong-kyu Kim

Inventor： Dong-kyu Kim

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/1337

CPC classification number: G09G3/3659 ,  G02F1/13624 ,  G02F1/1393 ,  G02F2001/134345 ,  G09G3/3696 ,  G09G2300/0443 ,  G09G2320/028

Abstract: A liquid crystal display (LCD) which can provide uniform vertical and horizontal visibility while improving lateral visibility is provided. The LCD includes a first insulating substrate, first and second gate lines which are formed on the first insulating substrate, and a data line which is insulated from the first and second gate lines and intersects the first and second gate lines. The LCD also includes first and second thin film transistors (TFTs) which are formed in each pixel and are connected to the first and second gate lines, respectively, and to the data line, first sub-pixel electrodes which are connected to the first TFT, and a second sub-pixel electrode which is separated from the first sub-pixel electrodes by predetermined gaps and is connected to the second TFT. The LCD includes a second insulating substrate which faces the first insulating substrate, a common electrode which is formed on the second insulating substrate and comprises a plurality of domain dividers, and a liquid crystal layer which is interposed between the first and second insulating substrates, wherein a display region of the second sub-pixel electrode is divided into 4 domain groups by the domain dividers, and the 4 domain groups have substantially the same area.

Abstract translation: 提供了一种能够提供均匀的垂直和水平可视性同时提高侧向可视性的液晶显示器（LCD）。 LCD包括第一绝缘基板，形成在第一绝缘基板上的第一和第二栅极线以及与第一和第二栅极线绝缘并与第一和第二栅极线相交的数据线。 LCD还包括分别形成在每个像素中并分别连接到第一和第二栅极线的第一和第二薄膜晶体管（TFT），并且与数据线相连，第一和第二薄膜晶体管连接到第一TFT 以及第二子像素电极，其通过预定间隙与第一子像素电极分离并连接到第二TFT。 LCD包括面向第一绝缘基板的第二绝缘基板，形成在第二绝缘基板上并包括多个畴分隔器的公共电极以及介于第一和第二绝缘基板之间的液晶层，其中 第二子像素电极的显示区域由分割器划分为4个域组，并且4个域组具有大致相同的面积。

公开(公告)号：US20050232217A1

公开(公告)日：2005-10-20

申请号：US11151302

申请日：2005-06-14

Applicant: Sang-hyun Do ,  Dong-kyu Kim ,  Hyung-jin Choi

Inventor： Sang-hyun Do ,  Dong-kyu Kim ,  Hyung-jin Choi

IPC: H04J11/00 ,  H04J1/05 ,  H04L27/26 ,  H04N7/24 ,  H04J1/00

CPC classification number: H04L27/2666 ,  H04L27/2665 ,  H04L27/2678 ,  H04N21/2383 ,  H04N21/4382

Abstract: An apparatus for detecting a guard interval length (type) of a transmission symbol among the structure of an orthogonal frequency division multiplexing (OFDM) system receiver, to ensure proper operation of a symbol start detector and a fast Fourier transform (FFT) window position controller, is provided. This apparatus includes an analog-to-digital converter (ADC) for converting a received OFDM signal into digital complex samples, a symbol start position detector for detecting a symbol start position with reference to information on a guard interval length among the complex samples output by the ADC, a symbol start position difference detector for detecting the difference between the symbol start position detected by the symbol start position detector and a symbol start position delayed for a predetermined symbol time, a guard interval length detector for comparing the symbol start position difference detected by the symbol start position difference detector with a predetermined guard interval decision reference value and detecting the length of the guard interval, and an FFT window position controller for shifting the FFT window position using the guard interval length detected by the guard interval length detector and the symbol start information detected by the symbol start detector, to activate an FFT at the shifted FFT window position. The lengths of various guard intervals are automatically detected in the OFDM receiver, thus performing accurate FFT window recovery.

公开(公告)号：US06928048B1

公开(公告)日：2005-08-09

申请号：US09509607

申请日：1998-09-28

Applicant: Sang-hyun Do ,  Dong-kyu Kim ,  Hyung-jin Choi

Inventor： Sang-hyun Do ,  Dong-kyu Kim ,  Hyung-jin Choi

IPC: H04J11/00 ,  H04J1/05 ,  H04L27/26 ,  H04N7/24 ,  H04J4/00 ,  H04L12/26

CPC classification number: H04L27/2666 ,  H04L27/2665 ,  H04L27/2678 ,  H04N21/2383 ,  H04N21/4382

Abstract: An apparatus for detecting a guard interval length (type) of a transmission symbol among the structure of an orthogonal frequency division multiplexing (OFDM) system receiver, to ensure proper operation of a symbol start detector and a fast Fourier transform (FFT) window position controller, is provided. This apparatus includes an analog-to-digital converter (ADC) for converting a received OFDM signal into digital complex samples, a symbol start position detector for detecting a symbol start position with reference to information on a guard interval length among the complex samples output by the ADC, a symbol start position difference detector for detecting the difference between the symbol start position detected by the symbol start position detector and a symbol start position delayed for a predetermined symbol time, a guard interval length detector for comparing the symbol start position difference detected by the symbol start position difference detector with a predetermined guard interval decision reference value and detecting the length of the guard interval, and an FFT window position controller for shifting the FFT window position using the guard interval length detected by the guard interval length detector and the symbol start information detected by the symbol start detector, to activate an FFT at the shifted FFT window position. The lengths of various guard intervals are automatically detected in the OFDM receiver, thus performing accurate FFT window recovery.

Abstract translation: 一种用于检测正交频分复用（OFDM）系统接收机的结构中的发送符号的保护间隔长度（类型）的装置，以确保符号起始检测器和快速傅里叶变换（FFT）窗口位置控制器的适当操作 ，被提供。 该装置包括用于将接收到的OFDM信号转换为数字复数样本的模数转换器（ADC），参考从由...输出的复样本中的保护间隔长度的信息来检测符号开始位置的符号开始位置检测器 ADC，用于检测由符号开始位置检测器检测的符号开始位置与延迟了预定符号时间的符号开始位置之间的差异的符号起始位置差异检测器，用于比较检测到的符号开始位置差异的保护间隔长度检测器 通过具有预定保护间隔决定参考值的符号开始位置差值检测器，并检测保护间隔的长度;以及FFT窗口位置控制器，用于使用由保护间隔长度检测器检测到的保护间隔长度来移位FFT窗口位置， 由符号开始检测器检测的符号开始信息 ，以在移位的FFT窗口位置激活FFT。 在OFDM接收机中自动检测各种保护间隔的长度，从而执行精确的FFT窗口恢复。

公开(公告)号：US6058121A

公开(公告)日：2000-05-02

申请号：US5043

申请日：1998-01-09

Applicant: Dong-kyu Kim ,  Sang-hyun Do ,  Hyung-jin Choi ,  Myeong-hwan Lee

Inventor： Dong-kyu Kim ,  Sang-hyun Do ,  Hyung-jin Choi ,  Myeong-hwan Lee

IPC: H04J11/00 ,  H04L1/00 ,  H04L7/00 ,  H04L27/26 ,  H04J1/00 ,  G01R23/00

CPC classification number: H04L27/2665 ,  H04L27/2662

Abstract: A fine fast Fourier transform window position recovering apparatus of an OFDM system receiver for recovering the phase error of an FFT window by using the number of zero-crossings of the phase variation value calculated between transmitted and received complex values is provided. The fine FFT window position recovering apparatus includes: an analog to digital converter, a symbol start detector, an FFT means, a phase calculator, a zero-crossing counter and an FFT window controller. The apparatus makes it possible to guarantee the reliability of a system by adjusting the phase error of the FFT window by using the number of zero-crossings of the phase variation calculated between the transmitted and received complex values and the number of the zero-crossings of the amplitude of the real part or the imaginary part of the received complex value.

Abstract translation: 提供了一种用于通过使用在发送和接收的复数值之间计算的相位变化值的过零值来恢复FFT窗口的相位误差的OFDM系统接收机的精细快速傅里叶变换窗口位置恢复装置。 精细FFT窗口位置恢复装置包括：模数转换器，符号起始检测器，FFT装置，相位计算器，过零计数器和FFT窗口控制器。 该装置使得可以通过使用在发送和接收的复数值之间计算出的相位变化的过零值与过零点的过零次数之间调整FFT窗的相位误差来保证系统的可靠性 接收到的复数值的实部或虚部的振幅。

公开(公告)号：US09198550B2

公开(公告)日：2015-12-01

申请号：US14380577

申请日：2012-02-29

Applicant: Man-Hyun Ryu ,  Dong-kyu Kim ,  Sung-Hyuk Kang

Inventor： Man-Hyun Ryu ,  Dong-kyu Kim ,  Sung-Hyuk Kang

IPC: A47L1/03 ,  A47L1/02

CPC classification number: A47L1/03 ,  A47L1/02 ,  A47L2201/04

Abstract: A window cleaning robot according to the present embodiment comprises a first cleaning unit and a second cleaning unit, which are respectively attached to and move on both surfaces of a window by magnetic force. The window cleaning robot further comprises: a first magnetic module included in the first cleaning unit; a second magnetic module included in the second cleaning unit; a magnetic force sensing part for sensing magnetic force between the first magnetic module and the second magnetic module; and a magnetic force controller for controlling the magnetic force between the first magnetic module and the second magnetic module, wherein the first magnetic module comprises a first magnet which is rotationally mounted, and a second magnet and a third magnet disposed on both sides of the first magnet, and the magnetic force controller rotates the first magnet so as to control the magnetic force between the first magnetic module and the second magnetic module.

Abstract translation: 根据本实施例的窗户清洁机器人包括第一清洁单元和第二清洁单元，其分别通过磁力附接到窗户的两个表面并在其上移动。 窗户清洁机器人还包括：包括在第一清洁单元中的第一磁性模块; 包括在第二清洁单元中的第二磁性模块; 用于感测第一磁性模块和第二磁性模块之间的磁力的磁力检测部件; 以及用于控制第一磁性模块和第二磁性模块之间的磁力的磁力控制器，其中第一磁性模块包括旋转地安装的第一磁体，以及设置在第一磁性模块的第二磁性模块的两侧的第二磁体和第三磁体 并且磁力控制器旋转第一磁体，以便控制第一磁性模块和第二磁性模块之间的磁力。

公开(公告)号：US20150027494A1

公开(公告)日：2015-01-29

申请号：US14380577

申请日：2012-02-29

Applicant: Man-Hyun Ryu ,  Dong-kyu Kim ,  Sung-Hyuk Kang

Inventor： Man-Hyun Ryu ,  Dong-kyu Kim ,  Sung-Hyuk Kang

IPC: A47L1/03

CPC classification number: A47L1/03 ,  A47L1/02 ,  A47L2201/04

Abstract: A window cleaning robot according to the present embodiment comprises a first cleaning unit and a second cleaning unit, which are respectively attached to and move on both surfaces of a window by magnetic force. The window cleaning robot further comprises: a first magnetic module included in the first cleaning unit; a second magnetic module included in the second cleaning unit; a magnetic force sensing part for sensing magnetic force between the first magnetic module and the second magnetic module; and a magnetic force controller for controlling the magnetic force between the first magnetic module and the second magnetic module, wherein the first magnetic module comprises a first magnet which is rotationally mounted, and a second magnet and a third magnet disposed on both sides of the first magnet, and the magnetic force controller rotates the first magnet so as to control the magnetic force between the first magnetic module and the second magnetic module.

Abstract translation: 根据本实施例的窗户清洁机器人包括第一清洁单元和第二清洁单元，其分别通过磁力附接到窗户的两个表面并在其上移动。 窗户清洁机器人还包括：包括在第一清洁单元中的第一磁性模块; 包括在第二清洁单元中的第二磁性模块; 用于感测第一磁性模块和第二磁性模块之间的磁力的磁力检测部件; 以及用于控制第一磁性模块和第二磁性模块之间的磁力的磁力控制器，其中第一磁性模块包括旋转地安装的第一磁体，以及设置在第一磁性模块的第二磁性模块的两侧的第二磁体和第三磁体 并且磁力控制器旋转第一磁体，以便控制第一磁性模块和第二磁性模块之间的磁力。