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    • 22. 发明授权
    • Ink-jet recording apparatus
    • 喷墨记录装置
    • US07748814B2
    • 2010-07-06
    • US12057196
    • 2008-03-27
    • Koji Kawai
    • Koji Kawai
    • B41J2/205
    • H04N1/52
    • An ink-jet recording apparatus of the present invention records an image on a recording medium by having ink landed on the recording medium. The apparatus includes ink-jet heads, a dot position memory unit, an image data memory unit, a print data generating unit and a head controller. The dot position memory unit stores therein dot positions which include: black dot positions where only ink droplets of black ink are landed and chromatic color dot positions where only ink droplets of chromatic color ink are landed. The head controller causes the ink-jet heads to eject the ink droplets to the dot positions, so that: only the ink droplets of the black ink lands in the black dot positions stored in the dot position memory unit; and only the ink droplets of the chromatic color ink lands in the chromatic color dot positions stored in the dot position memory unit.
    • 本发明的喷墨记录装置通过使油墨着落在记录介质上将图像记录在记录介质上。 该装置包括喷墨头,点位置存储单元,图像数据存储单元,打印数据生成单元和头控制器。 点位置存储单元存储点位置,其中包括仅黑色墨水墨滴落的黑点位置和仅彩色墨水的墨滴着落的彩色色点位置。 头部控制器使得喷墨头将墨滴喷射到点位置,使得:只有黑色墨水的墨滴位于存储在点位置存储单元中的黑点位置; 并且只有彩色墨水的墨滴位于存储在点位置存储单元中的彩色色点位置。
    • 26. 发明授权
    • Image forming apparatus for maintaining a constant beam scanning state
    • 用于保持恒定光束扫描状态的图像形成装置
    • US06646668B2
    • 2003-11-11
    • US10171682
    • 2002-06-17
    • Koji TanimotoKenichi KomiyaJun SakakibaraKoji Kawai
    • Koji TanimotoKenichi KomiyaJun SakakibaraKoji Kawai
    • B41J2455
    • H04N1/233G03G2215/0119H04N1/1135H04N1/12H04N1/2369H04N1/295H04N1/506H04N2201/0471H04N2201/04729H04N2201/04744H04N2201/33378
    • An image forming apparatus maintains a constant beam scanning state so that light beams scan each drum always in the same state once a desired color overlapping accuracy is obtained by controlling color registration in color image formation. This mechanism achieves constantly fine color overlapping without forming a test pattern several times or consuming toner unnecessarily. A beam passage switch is provided in a laser scanning system. Sensors provided near each photosensitive drum determine whether each light beam has scanned a certain portion with no inclination or a certain scanning area, or whether each image magnification provides a desired size. Sensors for detecting scanning light beam obtains the center of light beam in accordance with information on a point at which the sensors start to respond and another point at which they cease responding, for performing several types of control based on the positional information, which provides correct information even though the size or power is different over several light beam.
    • 图像形成装置保持恒定的光束扫描状态,使得一旦通过控制彩色图像形成中的颜色配准获得期望的颜色重叠精度,光束将始终处于相同的状态。 这种机制实现了不间断地形成测试图案多次或不必要地消耗调色剂的颜色重叠。 光束通过开关设置在激光扫描系统中。 设置在每个感光鼓附近的传感器确定每个光束是否扫描没有倾斜或某个扫描区域的某个部分,或者每个图像放大是否提供期望的尺寸。 用于检测扫描光束的传感器根据关于传感器开始响应的点的信息和其停止响应的另一个点获得光束中心,用于基于提供正确的位置信息执行几种类型的控制 即使尺寸或功率在几个光束上不同,信息也是如此。
    • 29. 发明授权
    • Discharge tube having a double-tube type structure
    • 具有双管式结构的放电管
    • US5359255A
    • 1994-10-25
    • US918759
    • 1992-07-27
    • Koji KawaiShigeki IshiharaNaoki Masuda
    • Koji KawaiShigeki IshiharaNaoki Masuda
    • H01J9/24H01J61/34H01J61/35H01J5/16H01J1/52H01J61/30
    • H01J61/34H01J61/35H01J9/247
    • A discharge tube for emitting light of the present invention includes an inner bulb including a hollow portion for defining therein an arc discharge chamber which encloses therein gas for emitting light, the inner bulb further including a pair of electrodes and a pair of metal members each of which is connected to a corresponding one of the pair of electrodes, the pair of electrodes being projected in the arc discharge chamber from the inner bulb and the pair of metal members being projected outwardly of the inner bulb, the hollow portion having an outer diameter of a first value and an outer tube for sealingly enclosing therein the inner bulb, the outer tube including a small-diameter portion having an outer diameter of a second value which is equal to or smaller than the first value, wherein the inner bulb is held in the interior of the outer tube, with a gap being formed between an outer surface of the inner bulb and an inner surface of the outer tube, in such a manner that the outer tube supports the metal members projected outwardly of the inner bulb.
    • 本发明的发光用放电管包括:内灯泡,包括中空部分,用于在其中限定出包围用于发光的气体的电弧放电室,所述内灯泡还包括一对电极和一对金属构件, 其连接到所述一对电极中的相应一个电极,所述一对电极从所述内灯泡突出到所述电弧放电室中,并且所述一对金属构件从所述内灯泡向外突出,所述中空部分的外径为 第一值和外管,用于将内灯泡密封地封闭,外管包括具有等于或小于第一值的第二值的外径的小直径部分,其中内灯泡保持在 外管的内部,在内部灯泡的外表面和外管的内表面之间形成间隙,使得外部 r管支撑从内部灯泡向外突出的金属构件。