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    • 2. 发明授权
    • Laser scanning unit and electrophotographic image forming apparatus adopting the same
    • 激光扫描单元和采用该激光扫描单元和电子照相成像设备
    • US06839156B2
    • 2005-01-04
    • US10420001
    • 2003-04-22
    • Yoon-seop EomMin-ho ChoiSeung-deog An
    • Yoon-seop EomMin-ho ChoiSeung-deog An
    • G02B26/10B41J2/47G02B26/12H04N1/50G02B26/08
    • H04N1/506B41J2/471G02B26/123G02B26/127
    • A laser scanning unit and an electrophotographic image forming apparatus adopting the same include a plurality of photogenerators emitting parallel lights, a plurality of rotatable polygonal mirrors which deflect the lights emitted from the photogenerators in a main scanning direction having a range of a predetermined angle to scan the lights onto photosensitive media proceeding in a sub scanning direction, the rotatable polygonal mirrors stacked on a driving unit to match corresponding ones of the photogenerators and coupled with a rotation shaft of the driving unit to rotate therewith, a plurality of first lenses which are installed in light paths between the photogenerators and the rotatable polygonal mirrors, respectively, and collect the lights in the sub scanning direction, and a plurality of second lenses which collect the lights deflected by the rotatable polygonal mirrors on corresponding ones of the photosensitive media.
    • 激光扫描单元和采用该激光扫描单元的电子摄影图像形成装置包括多个发出平行光的光产生器,多个可旋转的多边形反射镜,其将沿着具有预定角度范围的主扫描方向从光产生器发射的光偏转以扫描 将光照射到感光介质上,沿副扫描方向移动,可旋转的多面镜堆叠在驱动单元上,以匹配相应的光产生器并与驱动单元的旋转轴相配合以与其一起旋转,安装多个第一透镜 在光生成器和可旋转多面镜之间的光路中分别收集副扫描方向的光,以及多个第二透镜,其将由可旋转多面镜偏转的光收集在相应的光敏介质上。
    • 3. 发明授权
    • Printed circuit board and an image forming apparatus having the printed circuit board
    • 印刷电路板和具有印刷电路板的图像形成装置
    • US07454147B2
    • 2008-11-18
    • US11703782
    • 2007-02-08
    • Seung-deog AnMin-seon Kim
    • Seung-deog AnMin-seon Kim
    • G03G15/00
    • H05K1/11H05K3/325H05K2201/0373H05K2201/09663H05K2201/09781H05K2201/10265H05K2203/044
    • Disclosed is a printed circuit board comprising a contact terminal, which prevents a poor contact and reduces a manufacturing cost, and an image forming apparatus having the same. The printed circuit board comprises a circuit part for controlling and processing an operation of electronic appliance, and a large-area contact terminal formed by a group of small-area terminals for electric connection with external device. The small-area terminals can be formed in various types, respectively having regular size and shape and being distanced a predetermined interval. Accordingly, unevenness of the large-area contact terminal surface caused by soldering is prevented since a plurality of small-area terminals constitute a unit contact terminal of over a predetermined size. Therefore, quality of contact with external terminal improves. Further, manufacturing cost is reduced, and the manufacturing process becomes simple.
    • 公开了一种印刷电路板,其包括接触端子,其防止接触不良并降低制造成本,以及具有该接触端子的图像形成装置。 印刷电路板包括用于控制和处理电子设备的操作的电路部分和由一组用于与外部设备电连接的小区域端子形成的大面积接触端子。 小区域终端可以形成为各种类型,分别具有规则的大小和形状,并且以预定的间隔间隔开。 因此,由于多个小区域端子构成超过预定尺寸的单元接触端子,因此防止了由焊接引起的大面积接触端子表面的不均匀性。 因此,与外部端子的接触质量提高。 此外,制造成本降低,制造过程变得简单。
    • 4. 发明授权
    • Printer and method of correcting color registration error thereof
    • 打印机及其颜色配准误差校正方法
    • US06198490B1
    • 2001-03-06
    • US09430122
    • 1999-10-29
    • Yoon-seop EomSeung-deog AnNam-ryoung KimSang-shin ParkBeom-ro Lee
    • Yoon-seop EomSeung-deog AnNam-ryoung KimSang-shin ParkBeom-ro Lee
    • G03G1501
    • H04N1/506
    • A color printer capable of detecting and correcting color registration error. The printer includes a photoreceptor belt circulating along a path formed by a plurality of rollers; a plurality of optical scanning devices for scanning light toward the photoreceptor belt; a plurality of developing devices for supplying developing materials of different colors to the photoreceptor belt; a plurality of detectors for detecting part of light emitted from the optical scanning devices; an engine controller for controlling the driving of the optical scanning devices, the developing devices, and the rollers, based on received light output from the optical detectors, so that test patterns for each optical scanning device set to detect the color registration error between the optical scanning devices can be formed on the photoreceptor belt; a pattern position detector for detecting the positions of the test patterns formed from fixed positions through a developing process; and a color registration correction calculator for calculating a color registration error amount from the position information of the test patterns provided by the pattern position detector, and calculating color registration correction data from the calculated error amount and outputting the calculated correction data to the engine controller. In color registration error correction using the printer, the positions of electrostatic latent images, corresponding to test patterns formed on a photoreceptor belt by optical scanning devices, are detected by developing the electrostatic latent images with a single color. Therefore, a structure for measuring error amounts from the test patterns is simple, and the accuracy of measurement can be improved.
    • 一种能够检测和校正颜色配准误差的彩色打印机。 打印机包括沿着由多个辊形成的路径循环的感光带; 用于向感光体带扫描光的多个光学扫描装置; 用于向感光带提供不同颜色的显影材料的多个显影装置; 多个检测器,用于检测从所述光学扫描装置发射的光的一部分; 基于从光学检测器输出的接收光来控制光学扫描装置,显影装置和滚筒的驱动的发动机控制器,使得每个光学扫描装置的测试图案被设置为检测光学扫描装置 可以在感光带上形成扫描装置; 图案位置检测器,用于通过显影处理检测由固定位置形成的测试图案的位置; 以及颜色配准校正计算器,用于根据由图案位置检测器提供的测试图案的位置信息计算颜色配准误差量,并根据计算出的误差量计算颜色对准校正​​数据,并将计算的校正数据输出到发动机控制器。 在使用打印机的颜色配准误差校正中,通过用光学扫描装置形成在感光带上的测试图案的静电潜像的位置通过用单一颜色显影静电潜像来检测。 因此,用于测量来自测试图案的误差量的结构简单,可以提高测量精度。
    • 5. 发明授权
    • High developing voltage supply apparatus
    • 高开发电压供电装置
    • US07308221B2
    • 2007-12-11
    • US10600468
    • 2003-06-23
    • Seung-deog AnMin-seon KimWoo-jung Shim
    • Seung-deog AnMin-seon KimWoo-jung Shim
    • G03G15/08
    • G03G15/065G03G2215/018
    • A high developing voltage supply apparatus includes solenoid power switches, and a high developing voltage driver selectively outputting a solenoid driving signal to close one of the solenoid power switches to electrically close a corresponding mechanical contact, applying a high developing voltage to one of color development rollers corresponding to the mechanical contact closed and Kased on an image to be printed. A high developing voltage supply supplies the high developing voltage to developing roll shafts of the other color development rollers to stabilize potentials of the developing roll shafts, or, in the alternative, the high developing voltage supply apparatus may include a voltage supply supplying a self-biased voltage to the other color development rollers using the high developing voltage formed with a DC voltage VDC and an AC voltage VAC superimposed.
    • 高显影电压供应装置包括螺线管电源开关和高显影电压驱动器,其选择性地输出电磁线圈驱动信号以闭合一个螺线管电源开关以电闭合对应的机械接触,将高显影电压施加到一个显色辊 对应于机械触点闭合并卡在要打印的图像上。 高显影电压电源将高显影电压提供给其它显色辊的显影辊轴,以稳定显影辊轴的电位,或者替代地,高显影电压供应装置可包括供应自显影辊的电压源, 使用形成有直流电压V DC和AC AC V AC AC的高显影电压将偏压的电压施加到其它显色辊。
    • 7. 发明申请
    • Color registration apparatus and method in electrophotographic printer and computer-readable recording medium storing computer program
    • 电子照相打印机中的彩色记录装置和方法以及存储计算机程序的计算机可读记录介质
    • US20060176355A1
    • 2006-08-10
    • US11340765
    • 2006-01-27
    • Seung-deog An
    • Seung-deog An
    • G03G15/01
    • G03G15/0194G03G2215/0119G03G2215/0161
    • Provided are a color registration compensation apparatus and method in an electrophotographic printer and computer-readable recording medium storing a computer program. The apparatus includes an exposing unit that irradiates light onto a photoconductive drum which forms a first latent image, which is a mark a second latent image, having a predetermined shape, on an area surrounding the mark, and a third latent image . A developing unit develops the first through third latent images with a predetermined density according to color tones. A mark sensing unit senses toner images by irradiating predetermined light onto the surface of the transfer belt after developing the latent images, and by sensing irregularly reflected light of the irradiated light. A controller compares the intensity of the irregularly reflected light with a predetermined threshold and determines exposure starting times according to time information relating to a point of time of the latent image sensing.
    • 提供一种电子照相打印机和存储计算机程序的计算机可读记录介质中的彩色配准补偿装置和方法。 该装置包括曝光单元,其将光照射到感光鼓上,感光鼓在形成标记的区域上形成具有预定形状的标记第二潜像的第一潜像和第三潜像。 显影单元根据色调以预定浓度显影第一至第三潜像。 标记感测单元通过在显影潜像之后将预定的光照射到转印带的表面上,并且通过感测照射光的不规则反射光来感测调色剂图像。 控制器将不规则反射光的强度与预定阈值进行比较,并根据与潜像感测的时间点相关的时间信息确定曝光开始时间。
    • 9. 发明授权
    • Method of controlling charging potential of conductive roller in printer and apparatus therefor
    • 控制打印机中导电辊充电电位的方法及其设备
    • US06842591B2
    • 2005-01-11
    • US10354181
    • 2003-01-30
    • Woo-jung ShimSeung-deog AnMin-seon Kim
    • Woo-jung ShimSeung-deog AnMin-seon Kim
    • G03G15/00G03G15/02
    • G03G15/0266
    • A method of controlling a charging potential of an organic photoconductive cell (OPC) includes a first operation of applying two charging voltages Vc1 and Vc2 having respective duties D1 and D2 established in an engine controller unit (ECU) to a conductive roller via a high voltage power supply (HVPS) to charge the OPC, a second operation of measuring sensing voltages Vs1 and Vs2 through a sensing resistor Rs coupled to the conductive roller so that the ECU establishes a target charging current it and calculates a new charging voltage Vc3 and a new duty D3, a third operation of applying the new charging voltage Vc3 and the new duty D3 to the conductive roller via the HVPS to charge the OPC and measuring a charging current Ic3 of the conductive roller, and a fourth operation of comparing a difference between the charging current Ic3 of the conductive roller and the target charging current It with a tolerance value TOL to control the charging potential by using the target charging current when the difference is smaller than the tolerance value TOL. The method maintains the charging potential by compensating for a residual potential of the OPC, thus improving a performance of a printer.
    • 控制有机光电导元件(OPC)的充电电位的方法包括:将在发动机控制器单元(ECU)中建立的具有各自的占空比D1和D2的两个充电电压Vc1和Vc2经由高电压施加到导电辊的第一操作 用于对OPC充电的电源(HVPS),通过耦合到导电辊的感测电阻器Rs测量感测电压Vs1和Vs2的第二操作,使得ECU建立目标充电电流It并计算新的充电电压Vc3和新的 负载D3,经由HVPS将新的充电电压Vc3和新的负载D3施加到导电辊的第三操作,以对OPC充电并测量导电辊的充电电流Ic3,以及第四操作, 导电辊的充电电流Ic3和目标充电电流It具有公差值TOL,以通过使用目标充电电弧来控制充电电位 当差值小于公差值TOL时。 该方法通过补偿OPC的残留电位来维持充电电位,从而提高打印机的性能。
    • 10. 发明授权
    • Image forming apparatus which facilitates redesign and component arrangement method thereof
    • 便于重新设计的图像形成装置及其部件布置方法
    • US06826376B2
    • 2004-11-30
    • US10623795
    • 2003-07-22
    • Seung-deog AnCheol-ju YangSang-sin ParkYoon-seop EomYong-geun Kim
    • Seung-deog AnCheol-ju YangSang-sin ParkYoon-seop EomYong-geun Kim
    • G03G1500
    • G03G15/80
    • An image forming apparatus is configured to facilitate design modification. The image forming apparatus has an engine mechanism to carry out a printing job with respect to a print data applied from an external device, an image processing unit to convert the print data into image data, and an engine controlling unit to control the engine mechanism to carry out the print job with respect to the image data. The engine controlling unit and the image processing unit are arranged on a single printed circuit board (PCB) in which a first and a second division are defined, with the engine controlling unit being arranged in the first division and the image processing unit being arranged in the second division. A circuit element in the second division is shared by the engine controlling unit and the image processing unit to reduce costs and redesign time.
    • 图像形成装置被配置为便于设计修改。 图像形成装置具有对从外部装置施加的打印数据执行打印作业的发动机机构,将打印数据转换成图像数据的图像处理单元,以及将发动机机构控制为 对图像数据执行打印作业。 发动机控制单元和图像处理单元布置在单个印刷电路板(PCB)上,其中限定第一和第二分区,发动机控制单元布置在第一分区中,并且图像处理单元被布置在 第二师。 第二分区中的电路元件由发动机控制单元和图像处理单元共享,以降低成本和重新设计时间。