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    • 52. 发明授权
    • Color image forming apparatus
    • 彩色图像形成装置
    • US06185396B2
    • 2001-02-06
    • US08960871
    • 1997-10-31
    • Masahiro AizawaNoboru KatakabeMasanori YoshikawaKenji Asakura
    • Masahiro AizawaNoboru KatakabeMasanori YoshikawaKenji Asakura
    • G03G1501
    • G03G15/0194G03G15/0121G03G2215/0116
    • A color image forming apparatus is provided, and includes a plurality of image forming units including a photosensitive drum, a charging device and a developing device; a carriage for retaining and rotating the plurality of image forming units so as to move the image forming units between an image forming position and a waiting position; an exposing device for exposing a surface of the photosensitive drum of the image forming unit located at the image forming position; an intermediate transfer belt for successive transfer and superposition of toner images of various colors from the photosensitive drum of the image forming units located at the image forming position so as to form a color toner image; a drive member for driving the photosensitive drum and the intermediate transfer belt; a position detector for detecting a reference position of the intermediate transfer belt when the intermediate transfer belt is driven, and outputting a reference position detection signal; a secondary transfer roller for transferring the color toner image on the intermediate transfer belt onto recording paper; and a controller for controlling the operation of the above structural elements. The controller determines an operation start time of the charging device and the developing device using a rotation command signal to the driving means as a reference, and an operation start time of the exposing device, the intermediate transfer belt and the secondary transfer roller using the reference position detection signal as a reference.
    • 提供彩色图像形成装置,并且包括多个图像形成单元,包括感光鼓,充电装置和显影装置; 用于保持和旋转所述多个图像形成单元以使图像形成单元在图像形成位置和等待位置之间移动的托架; 用于暴露位于图像形成位置处的图像形成单元的感光鼓的表面的曝光装置; 中间转印带,用于从位于图像形成位置处的图像形成单元的感光鼓连续转印和叠加各种颜色的调色剂图像,以形成彩色调色剂图像; 用于驱动感光鼓和中间转印带的驱动构件; 位置检测器,用于当中间转印带被驱动时检测中间转印带的基准位置,并输出基准位置检测信号; 用于将中间转印带上的彩色调色剂图像转印到记录纸上的二次转印辊; 以及用于控制上述结构元件的操作的控制器。 控制器使用向驱动装置的转动指令信号作为基准来确定充电装置和显影装置的操作开始时间,以及使用参考的曝光装置,中间转印带和二次转印辊的操作开始时间 位置检测信号作为参考。
    • 56. 发明授权
    • Color image forming apparatus comprising a regular mode and a high speed
mode
    • 彩色图像形成装置包括常规模式和高速模式
    • US5956552A
    • 1999-09-21
    • US043549
    • 1998-03-19
    • Noboru KatakabeHiroshi TeradaHajime YamamotoMasanori YoshikawaKenji Asakura
    • Noboru KatakabeHiroshi TeradaHajime YamamotoMasanori YoshikawaKenji Asakura
    • G03G15/01
    • G03G15/0194G03G15/0121G03G2215/0116
    • In a color image forming apparatus, a plurality of image forming units 3Y, 3M, 3C and 3K, which correspond to a plurality of colors and with each unit including a developing device and a photosensitive drum, are retained so as to define a cylinder. The color image forming apparatus includes: a conveying apparatus for conveying the plurality of image forming units around the main axis of the cylinder between an image forming position and a waiting position by simultaneously rotating all image forming units; an exposing device 6 for exposure of the photosensitive drum of the image forming unit that is in the image forming position 10; a transfer apparatus 5, which contacts a transfer belt 50 with the photosensitive drum 30 of the image forming unit that is in the image forming position, and when the image forming unit that is in the image forming position is switched, successively transcribes the toner images of all colors formed on the photosensitive drums onto the transfer belt, superimposes the toner images of all colors and forms a colored toner image on the transfer belt; and a transfer belt driving apparatus for driving the transfer belt at a constant speed. When a second color image is formed after a first color image, the first toner image color of the second color image is formed on the transfer belt by using the image forming unit of the last color added to the first color image. The exposing device includes a light source accommodated by the inner portion of the cylinder defined by the image forming units.
    • PCT No.PCT / JP97 / 03349 Sec。 371日期:1998年3月19日 102(e)1998年3月19日PCT PCT 1997年9月22日PCT公布。 第WO98 / 13732号公报 日期:1998年4月2日在彩色图像形成装置中,与多种颜色对应的多个图像形成单元3Y,3M,3C和3K以及包括显影装置和感光鼓的每个单元被保持为 定义一个圆柱体。 彩色图像形成装置包括:传送装置,用于通过同时旋转所有图像形成单元在图像形成位置和等待位置之间传送多个图像形成单元围绕圆筒的主轴线; 用于曝光图像形成单元的图像形成位置10中的感光鼓的曝光装置6; 与转印带50接触的转印装置5与图像形成单元的感光鼓30处于图像形成位置,并且当图像形成单元处于图像形成位置时,转印装置5依次转印调色剂图像 将形成在感光鼓上的所有颜色的所有颜色转印到转印带上,将所有颜色的调色剂图像叠加并在转印带上形成着色调色剂图像; 以及用于以恒定速度驱动转印带的转印带驱动装置。 当在第一彩色图像之后形成第二彩色图像时,通过使用添加到第一彩色图像的最后一个颜色的图像形成单元,在转印带上形成第二彩色图像的第一调色剂图像颜色。 曝光装置包括由图像形成单元限定的圆筒的内部容纳的光源。
    • 58. 发明授权
    • Thermal printing apparatus using intermediate medium
    • US5708467A
    • 1998-01-13
    • US403613
    • 1995-03-14
    • Masanori YoshikawaAtsushi SogamiHiroyuki MatsuoNobuyoshi Taguchi
    • Masanori YoshikawaAtsushi SogamiHiroyuki MatsuoNobuyoshi Taguchi
    • B41J2/325B41J2/32
    • B41J2/325
    • A thermal printing apparatus includes an intermediate medium. A color developing layer transfer member includes a first base member and a color developing layer on a surface of the first base member. A dye layer transfer member includes a second base member and a dye layer on a surface of the second base member. The dye layer contains dye. At least a part of the color developing layer is transferred from the color developing layer transfer member onto the intermediate medium in response to at least one of heat and pressure. The dye is transferred from the dye layer of the dye layer transfer member onto the color developing layer on the intermediate medium to form a recorded picture on the color developing layer in response to both heat and pressure while the dye layer on the dye layer transfer member and the color developing layer on the intermediate medium are in contact with each other. The color developing layer with the recorded picture is transferred from the intermediate medium onto an image receptor. A releasing device is operative for implementing separation between the intermediate medium and one of the color developing layer transfer member and the dye layer transfer member. The releasing device includes a releasing blade and a belt support member associated with the releasing blade. The releasing blade engages one of the color developing layer transfer member and the dye layer transfer member. The belt support member supports the intermediate medium along one of a flat plane or an outwardly-projecting plane.
    • 59. 发明授权
    • Thermal transfer recording apparatus
    • 热转印记录装置
    • US5444465A
    • 1995-08-22
    • US247997
    • 1994-05-24
    • Kouji IkedaAtsushi SogamiMasanori YoshikawaYoshihisa FujimoriNobuyoshi Taguchi
    • Kouji IkedaAtsushi SogamiMasanori YoshikawaYoshihisa FujimoriNobuyoshi Taguchi
    • B41J2/325B41M5/382
    • B41J2/325
    • A thermal transfer recording apparatus that can arbitrarily perform any one of outputting operations of a sublimable dyestuff image, a thermoplastic ink image, and a mixed picture image which combines a sublimable dyestuff image with a thermoplastic ink image, on a plain recording paper is disclosed. The apparatus employs a dyeable layer which is carried on a substrate sheet usually shared by a plurality of sublimable dyestuff-carrying layers. The dyeable layer is first transferred to a first intermediate transfer medium having a certain mold releasing or parting property. Sublimable dyestuffs are then selectively transferred into the dyeable layer to form a sublimable dyestuff image thereon, which thereafter is transferred to the paper. For obtaining the mixed picture image, the thermoplastic ink image on the second intermediate transfer medium is transferred to the dyeable layer on the first intermediate transfer medium on which the sublimable dyestuff image has already been formed, and thereafter the dyeable layer is transferred to the paper.
    • 公开了一种热转印记录装置,其能够在普通记录纸上任意地执行将可升华染料图像与热塑性墨水图像组合的可升华染料图像,热塑性墨图像和混合图像图像的输出操作中的任一种。 该装置采用可承载在通常由多个可升华的染料承载层共享的基片上的可染色层。 首先将可染色层转移到具有一定的脱模性或分离性的第一中间转印介质。 然后将可升华的染料选择性地转移到可染色层中以在其上形成升华性染料图像,此后将其转印到纸上。 为了获得混合图像,将第二中间转印介质上的热塑性油墨图像转印到已经形成升华性染料图像的第一中间转印介质上的可染色层上,然后将可染色层转印到纸上 。