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1. 发明申请

US20090123182A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20090123182A1
公开(公告)日：2009-05-14
申请号：US12262356
申请日：2008-10-31
申请人： Yoshihito SASAMOTO , Hiroyuki WATANABE , Tadayuki UEDA , Ryuji OKUTOMI , Akifumi ISOBE , Takashi NARA , Jun ONISHI
发明人： Yoshihito SASAMOTO , Hiroyuki WATANABE , Tadayuki UEDA , Ryuji OKUTOMI , Akifumi ISOBE , Takashi NARA , Jun ONISHI
IPC分类号： G03G15/00
CPC分类号： G03G15/0194 , G03G2215/0158
摘要： An image forming apparatus including photoconductor drums corresponding to colors, motors, gears to transmit each rotation of the motors to each of the photoconductor drums, each of two gears comprising a portion to be detected intermittently continuing in a circumferential direction at a position having same radius centering around a rotary shaft of the gears, a pair of phase sensors to output detection signals of signal logics according to an existence or a non-existence of the portion to be detected at a point symmetric position centering around the rotary shaft of each of two gears and a control unit to calculate a rotation phase difference between each of the gears based on a logical combination of the detection signals which are output from the pair of phase sensors and to control the motors so as to synchronize rotation of each of the gears based on the calculated rotation phase difference.
摘要翻译：一种图像形成装置，包括对应于颜色的感光鼓，电动机，齿轮，用于将电动机的每个旋转传递到每个感光鼓，两个齿轮中的每一个包括在具有相同半径的位置处间歇地沿圆周方向连续的待检测部分以齿轮的旋转轴为中心，一对相位传感器根据在两个旋转轴中心的对称位置处根据被检测部分的存在或不存在来输出信号逻辑的检测信号齿轮和控制单元，用于基于从该对相位传感器输出的检测信号的逻辑组合来计算每个齿轮之间的旋转相位差，并且控制马达以使每个齿轮的旋转同步计算旋转相位差。

2. 发明申请

US20090317147A1 SHEET COLOR IMAGE FORMING APPARATUS 失效
标题翻译：表格彩色图像形成装置
公开(公告)号：US20090317147A1
公开(公告)日：2009-12-24
申请号：US12482666
申请日：2009-06-11
申请人： Tadayuki UEDA , Akifumi Isobe , Yoshihito Sasamoto , Takashi Nara
发明人： Tadayuki UEDA , Akifumi Isobe , Yoshihito Sasamoto , Takashi Nara
IPC分类号： G03G15/01
CPC分类号： G03G15/0194 , G03G2215/0135 , G03G2215/0158
摘要： A color image forming apparatus for forming toner images by carrying out charging, exposure, and development on at least one photoreceptor drum, and forming color images by transferring the toner images onto sheets, the color image forming apparatus including: a photoreceptor drum which rotates around an axis; an exposure section which intermittently emits a light beam onto the cylindrical surface of the rotating photoreceptor drum along scanning lines parallel to the axis of the photoreceptor drum; a calculation section which calculates a printing ratio of a color image to be formed on one sheet, wherein the printing ratio is the ratio of the area covered by toner in the color image; and a timing control section which controls a timing when the exposure section emits the light beam in a direction of rotation of the photoreceptor drum based on the printing ratio calculated by the calculation section.
摘要翻译：一种彩色图像形成装置，用于通过在至少一个感光鼓上进行充电，曝光和显影来形成调色剂图像，并通过将调色剂图像转印到片材上形成彩色图像，该彩色图像形成装置包括：感光鼓，其围绕轴; 曝光部，其沿着与感光鼓的轴线平行的扫描线间歇地将光束发射到旋转感光鼓的圆筒形表面上; 计算部分，其计算要在一张纸上形成的彩色图像的打印率，其中所述打印率是所述彩色图像中的调色剂覆盖的面积的比率; 以及定时控制部，其控制当所述曝光部根据由所述计算部计算出的所述打印率沿所述感光鼓的旋转方向发射所述光束的时刻。

3. 发明申请

US20130201500A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130201500A1
公开(公告)日：2013-08-08
申请号：US13758280
申请日：2013-02-04
申请人： Tadayuki UEDA , Yoshihito SASAMOTO , Toru KASAMATSU , Eiji NISHIKAWA , Satoshi MIYAJIMA , Takanobu SHIKI
发明人： Tadayuki UEDA , Yoshihito SASAMOTO , Toru KASAMATSU , Eiji NISHIKAWA , Satoshi MIYAJIMA , Takanobu SHIKI
IPC分类号： G06K15/02
CPC分类号： G06K15/02 , G03G15/00 , G03G15/502
摘要： An image forming apparatus which allows a user to freely select a desired image quality is provided. The control unit 60 sets a of registration set value A1 for determining a color registration error suppression level and a dropout set value. A2 for determining a dropout occurrence suppression level. Also, the control unit 60 sets a differential circumferential speed which is the difference between the circumferential speed of photoreceptor drums 1Y to 1K and the circumferential speed of an intermediate transfer belt 6 on the basis of the color registration set value A1 and the dropout set value A1. Then, the control unit 60 controls the belt drive motor 1 and the drum drive motor 62 on the basis of the differential circumferential speed which is set.
摘要翻译：提供了允许用户自由选择所需图像质量的图像形成装置。控制单元60设置用于确定颜色配准误差抑制水平和压差设定值的配准设定值A1。 A2用于确定压差发生抑制水平。此外，控制单元60基于颜色配准设定值A1和滴定设定值设定作为感光鼓1Y〜1K的圆周速度与中间转印带6的圆周速度之差的差分圆周速度 A1。然后，控制单元60基于设定的差动圆周速度来控制皮带驱动马达1和滚筒驱动马达62。

4. 发明申请

US20120195606A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20120195606A1
公开(公告)日：2012-08-02
申请号：US13350936
申请日：2012-01-16
申请人： Satoshi MIYAJIMA , Toru KASAMATSU , Eiji NISHIKAWA , Tadayuki UEDA , Yoshihito SASAMOTO
发明人： Satoshi MIYAJIMA , Toru KASAMATSU , Eiji NISHIKAWA , Tadayuki UEDA , Yoshihito SASAMOTO
IPC分类号： G03G15/20
CPC分类号： G03G15/657 , G03G15/2028 , G03G2215/00594
摘要： Damages on fixing members caused by paper passing through can be reduced. The registration rollers 53 and the registration oscillation roller 54 are provided on an upstream side of a fixing nip portion in a conveyance path for paper P and have a function of moving the paper P being conveyed toward the fixing nip portion, in a paper width direction, and the control section 10 performs paper oscillation control and fixing unit oscillation control in correlation with each other, the paper oscillation control in which the registration rollers 53 and the registration oscillation roller 54 are controlled to oscillate a position on which the paper P passes through, and the fixing unit oscillation control in which the fixing unit oscillation motor 36 is controlled to oscillate the fixing unit.
摘要翻译：可以减少纸张通过造成的固定件损坏。定位辊53和定位振动辊54设置在纸张P的输送路径中的定影夹持部的上游侧，并且具有使纸张P向纸张宽度方向移动朝向定影夹持部移动的功能，并且控制部10进行相互关联的纸张振动控制和定影单元振荡控制，其中对准辊53和配准振荡辊54被控制的纸张振动控制使纸P穿过的位置振荡以及固定单元振荡电动机36被控制以使定影单元振动的定影单元振荡控制。

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