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1. 发明申请

US20140270827A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20140270827A1
公开(公告)日：2014-09-18
申请号：US14203847
申请日：2014-03-11
申请人： Tetsuya MUTO , Shuji Hirai , Shinichi Akatsu , Shingo Suzuki , Satoshi Kaneko , Keita Gotoh , Yuuichiroh Uematsu
发明人： Tetsuya MUTO , Shuji Hirai , Shinichi Akatsu , Shingo Suzuki , Satoshi Kaneko , Keita Gotoh , Yuuichiroh Uematsu
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G2215/0116 , G03G2215/0129 , G03G2215/0141 , G03G2215/0161 , G03G2215/0164
摘要： An image forming apparatus includes an image carrier, a rotation-position detector, a development device, a transfer unit, a density sensor, and an image-forming-condition determination unit. The density sensor senses a density of a toner image on a transfer body. The image-forming-condition determination unit forms an image pattern, acquires periodical density variation information sensed by the density sensor and detection information of the rotation-position detector, and determines an image forming condition based on the periodical density variation information and the detection information acquired. The image carrier and the transfer body are different in linear velocity in an image formation in which the toner image is transferred to a recording medium. The image carrier and the transfer body are controlled to be equal in linear velocity in an information acquisition in which the image-forming-condition determination unit acquires the periodical density variation information and the detection information.
摘要翻译：图像形成装置包括图像载体，旋转位置检测器，显影装置，转印单元，密度传感器和图像形成条件确定单元。密度传感器感测转印体上的调色剂图像的浓度。图像形成条件确定单元形成图像图案，获取由密度传感器感测的周期密度变化信息和旋转位置检测器的检测信息，并且基于周期密度变化信息和检测信息确定图像形成条件获得了在将调色剂图像转印到记录介质的图像形成中，图像载体和转印体的线速度不同。在图像形成条件确定单元获取周期密度变化信息和检测信息的信息获取中，图像载体和转印体被控制为线性速度相等。

2. 发明授权

US09152896B2 Image forming apparatus and image forming method 有权
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US09152896B2
公开(公告)日：2015-10-06
申请号：US14202563
申请日：2014-03-10
申请人： Satoshi Kaneko , Shuji Hirai , Shinichi Akatsu , Shingo Suzuki , Tetsuya Muto , Keita Gotoh , Yuuichiroh Uematsu , Hitoshi Ishibashi
发明人： Satoshi Kaneko , Shuji Hirai , Shinichi Akatsu , Shingo Suzuki , Tetsuya Muto , Keita Gotoh , Yuuichiroh Uematsu , Hitoshi Ishibashi
IPC分类号： G06K15/02 , G06K15/14 , B41J29/393 , H04N1/60 , G03G15/00 , G03G15/01
CPC分类号： G06K15/1881 , B41J29/393 , G03G15/0189 , G03G15/5058 , G06K15/027 , G06K15/14 , H04N1/6033
摘要： An image forming apparatus includes an image density detector, an image forming device, a rotator, an image density controller, and a timing correction data obtainer. The image density detector detects a toner density of an image formed on an image bearing member. An image forming device forms the image using a density adjustable element that adjusts the density of the image. The rotator forms an image pattern while the density adjustable element is changed, and a density thereof is detected by the image density detector. The image density controller controls the image forming device using a density correction data for the density adjustable element corresponding to a rotational period of the rotator. The timing correction data obtainer obtains timing correction data for correction of driving timing of the image forming device based on a change in the density of the image pattern detected by the image density detector.
摘要翻译：图像形成装置包括图像浓度检测器，图像形成装置，旋转器，图像浓度控制器和定时校正数据获取器。图像浓度检测器检测形成在图像承载部件上的图像的调色剂浓度。图像形成装置使用调节图像的浓度的浓度可调元件形成图像。旋转体在密度可调元件改变时形成图像图案，并且其浓度由图像浓度检测器检测。图像浓度控制器使用与旋转体的旋转周期对应的密度可调元件的浓度校正数据来控制图像形成装置。定时校正数据获取器基于由图像浓度检测器检测到的图像图案的浓度的变化获得用于校正图像形成装置的驱动定时的定时校正数据。

3. 发明授权

US08983320B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08983320B2
公开(公告)日：2015-03-17
申请号：US14203798
申请日：2014-03-11
申请人： Shingo Suzuki , Satoshi Kaneko , Tetsuya Muto , Shuji Hirai , Shinichi Akatsu , Keita Gotoh , Yuuichiroh Uematsu
发明人： Shingo Suzuki , Satoshi Kaneko , Tetsuya Muto , Shuji Hirai , Shinichi Akatsu , Keita Gotoh , Yuuichiroh Uematsu
IPC分类号： G03G15/06 , G03G15/00
CPC分类号： G03G15/065 , G03G15/5058 , G03G2215/0129 , G03G2215/0164
摘要： An image forming apparatus includes a latent-image bearing body, a charging unit, a latent-image writing unit, a development unit, a development power, and a bias control unit. After a start of an image forming operation, the bias control unit performs a process of constantly maintaining an output of a development bias at an adjustment bias value. The adjustment bias value is a central value in a periodic fluctuation range of the output of the development bias. At a timing at which a difference of the development bias from the adjustment bias value in the periodic fluctuation range is less than or equal to a predetermined threshold value, the bias control unit performs switching from the process of constantly maintaining the output of the development bias at the adjustment bias value to a process of periodically changing the output of the development bias based on development bias control data.
摘要翻译：图像形成装置包括潜像承载体，充电单元，潜像写入单元，显影单元，显影电力和偏置控制单元。在图像形成操作开始之后，偏置控制单元执行持续将显影偏压的输出保持在调整偏置值的处理。调整偏差值是显影偏压输出的周期性波动范围内的中心值。在显影偏差与周期性波动范围内的调整偏置值的差小于或等于预定阈值的定时，偏置控制单元从持续保持显影偏压的输出的处理开始切换将调整偏差值设定为基于显影偏压控制数据周期性地改变显影偏压的输出的过程。

4. 发明授权

US09141059B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09141059B2
公开(公告)日：2015-09-22
申请号：US14203847
申请日：2014-03-11
申请人： Tetsuya Muto , Shuji Hirai , Shinichi Akatsu , Shingo Suzuki , Satoshi Kaneko , Keita Gotoh , Yuuichiroh Uematsu
发明人： Tetsuya Muto , Shuji Hirai , Shinichi Akatsu , Shingo Suzuki , Satoshi Kaneko , Keita Gotoh , Yuuichiroh Uematsu
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G2215/0116 , G03G2215/0129 , G03G2215/0141 , G03G2215/0161 , G03G2215/0164
摘要： An image forming apparatus includes an image carrier, a rotation-position detector, a development device, a transfer unit, a density sensor, and an image-forming-condition determination unit. The density sensor senses a density of a toner image on a transfer body. The image-forming-condition determination unit forms an image pattern, acquires periodical density variation information sensed by the density sensor and detection information of the rotation-position detector, and determines an image forming condition based on the periodical density variation information and the detection information acquired. The image carrier and the transfer body are different in linear velocity in an image formation in which the toner image is transferred to a recording medium. The image carrier and the transfer body are controlled to be equal in linear velocity in an information acquisition in which the image-forming-condition determination unit acquires the periodical density variation information and the detection information.
摘要翻译：图像形成装置包括图像载体，旋转位置检测器，显影装置，转印单元，密度传感器和图像形成条件确定单元。密度传感器感测转印体上的调色剂图像的浓度。图像形成条件确定单元形成图像图案，获取由密度传感器感测的周期密度变化信息和旋转位置检测器的检测信息，并且基于周期密度变化信息和检测信息确定图像形成条件获得了在将调色剂图像转印到记录介质的图像形成中，图像载体和转印体的线速度不同。在图像形成条件确定单元获取周期密度变化信息和检测信息的信息获取中，图像载体和转印体被控制为线性速度相等。

5. 发明授权

US09128402B2 Image forming apparatus capable of effectively preventing image density fluctuation 有权
标题翻译：能够有效地防止图像浓度波动的图像形成装置
公开(公告)号：US09128402B2
公开(公告)日：2015-09-08
申请号：US14105477
申请日：2013-12-13
申请人： Yuuichiroh Uematsu , Shinichi Akatsu , Shuji Hirai , Shingo Suzuki , Tetsuya Muto , Satoshi Kaneko , Keita Goto
发明人： Yuuichiroh Uematsu , Shinichi Akatsu , Shuji Hirai , Shingo Suzuki , Tetsuya Muto , Satoshi Kaneko , Keita Goto
IPC分类号： G03G15/00 , G03G15/01
CPC分类号： G03G15/0189 , G03G15/5058 , G03G2215/0158
摘要： An image forming apparatus includes an image forming unit including rotary members to form a toner image corresponding to image data, in which the image forming unit forms a toner pattern for detecting image density fluctuation; and an image forming condition determination controller to perform image forming processing to ultimately transfer the toner image onto a recording medium. In the image forming apparatus, the controller measures a periodic image density fluctuation occurring in a rotation cycle of the rotary members based on a detection result of a toner pattern; performs image forming condition determination processing to determine an image forming condition to reduce the image density fluctuation based on measured image density fluctuation data; and determines whether or not the image density fluctuation data measured multiple times satisfies a predetermined control termination condition.
摘要翻译：图像形成装置包括图像形成单元，该图像形成单元包括旋转构件，以形成与图像数据相对应的调色剂图像，其中图像形成单元形成用于检测图像浓度波动的调色剂图案; 以及图像形成条件确定控制器，以执行图像形成处理，以最终将调色剂图像转印到记录介质上。在图像形成装置中，控制器基于调色剂图案的检测结果来测量在旋转构件的旋转周期中发生的周期性图像浓度波动; 执行图像形成条件确定处理，以基于测量的图像浓度波动数据确定图像形成条件以减小图像浓度波动; 并且确定多次测量的图像浓度波动数据是否满足预定的控制终止条件。

6. 发明授权

US09046850B2 Image forming apparatus capable of reducing image density irregularity 有权
标题翻译：能够降低图像浓度不均匀的图像形成装置
公开(公告)号：US09046850B2
公开(公告)日：2015-06-02
申请号：US13361431
申请日：2012-01-30
申请人： Shuji Hirai , Satoshi Kaneko , Shinji Kato , Jun Yamane , Koichi Kudo , Shingo Suzuki
发明人： Shuji Hirai , Satoshi Kaneko , Shinji Kato , Jun Yamane , Koichi Kudo , Shingo Suzuki
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G2215/0116 , G03G2215/0129 , G03G2215/0141
摘要： In an image forming apparatus, a first controller forms a first image pattern on an image bearer and determines a first image formation condition based on a detection result of density of a toner image. The first controller then controls a toner image forming device based on the first image formation condition. A second controller forms a second image pattern different from the first image pattern on an image bearer and determines a second image formation condition based on a detection result of density of a toner image. The second controller then controls a toner image forming device based on the second image formation condition.
摘要翻译：在图像形成装置中，第一控制器在图像载体上形成第一图像图案，并且基于调色剂图像的浓度的检测结果确定第一图像形成条件。然后，第一控制器基于第一图像形成条件来控制调色剂图像形成装置。第二控制器在图像载体上形成与第一图像图案不同的第二图像图案，并且基于调色剂图像的浓度的检测结果确定第二图像形成条件。然后，第二控制器基于第二图像形成条件控制调色剂图像形成装置。

7. 发明申请

US20130243457A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20130243457A1
公开(公告)日：2013-09-19
申请号：US13782389
申请日：2013-03-01
申请人： Satoshi KANEKO , Shinji Kato , Hitoshi Ishibashi , Shuji Hirai , Jun Yamane , Koichi Kudo , Shingo Suzuki
发明人： Satoshi KANEKO , Shinji Kato , Hitoshi Ishibashi , Shuji Hirai , Jun Yamane , Koichi Kudo , Shingo Suzuki
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G13/22 , G03G15/0849 , G03G15/22 , G03G15/5008 , G03G2215/00037 , G03G2215/00063 , G03G2215/0129 , G03G2215/0141 , G03G2215/0161 , G03G2215/0164
摘要： An image forming apparatus includes an image carrier; a developer carrier configured to adhere toner onto the image carrier; an image density detector to detect a density of an image on the image carrier formed by the developer carrier adhering the toner on the image carrier; a rotary member to form an image pattern of which density is detected by the image density detector; and a rotational position detector to detect a rotational position of the rotary member. In the image forming apparatus, the image pattern is generated based on the rotational position detected by the rotational position detector and the rotary member that the rotational position detector detects the rotational position thereof is either the image carrier or the developer carrier.
摘要翻译：图像形成装置包括图像载体; 构造成将调色剂粘附到图像载体上的显影剂载体; 图像浓度检测器，用于检测由图像载体上的调色剂将由显影剂载体形成的图像载体上的图像的浓度; 旋转构件，用于形成由图像浓度检测器检测密度的图像图案; 以及旋转位置检测器，用于检测旋转构件的旋转位置。在图像形成装置中，基于由旋转位置检测器和旋转构件检测的旋转位置，旋转位置检测器检测到其旋转位置是图像载体或显影剂载体，生成图像图案。

8. 发明授权

US09052663B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09052663B2
公开(公告)日：2015-06-09
申请号：US14227169
申请日：2014-03-27
申请人： Shingo Suzuki , Satoshi Kaneko , Shuji Hirai , Koichi Kudo , Jun Yamane , Shinji Kato
发明人： Shingo Suzuki , Satoshi Kaneko , Shuji Hirai , Koichi Kudo , Jun Yamane , Shinji Kato
IPC分类号： G03G15/00 , G03G15/06
CPC分类号： G03G15/5025 , G03G15/065 , G03G15/5058
摘要： An image forming apparatus includes an image carrier; an image forming unit; a processor for controlling the image forming unit according to a predetermined image forming condition setting data; an image density sensor to detect an image density of the toner pattern formed on the image carrier; a reference rotary position detector; an image density fluctuation data acquisition unit to obtain an image density fluctuation data of more than one circumferential length of the photoreceptor drum with reference to the reference rotary position detected by the reference rotary position detector based on a result related to the toner pattern formed on the image carrier detected by the image density sensor; and a correction data generator to generate a correction data to correct a reference image forming condition setting data with a correction amount corresponding to each rotary position of the rotary member to thus reduce the image density fluctuation.
摘要翻译：图像形成装置包括图像载体; 图像形成单元; 根据预定图像形成条件设置数据控制图像形成单元的处理器; 图像浓度传感器，用于检测形成在图像载体上的调色剂图案的图像浓度; 参考旋转位置检测器; 图像浓度波动数据获取单元，基于与在基准旋转位置检测器上形成的调色剂图案相关的结果，参考由基准旋转位置检测器检测到的参考旋转位置，获得感光鼓的多于一个圆周长度的图像浓度波动数据由图像密度传感器检测的图像载体; 以及校正数据生成器，用于生成校正数据，以校正与旋转构件的每个旋转位置相对应的校正量的参考图像形成条件设置数据，从而减小图像浓度波动。

9. 发明授权

US08977148B2 Image forming apparatus and image forming method 有权
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US08977148B2
公开(公告)日：2015-03-10
申请号：US13753859
申请日：2013-01-30
申请人： Satoshi Kaneko , Jun Yamane , Koichi Kudo , Shinji Kato , Hitoshi Ishibashi , Shuji Hirai , Shingo Suzuki
发明人： Satoshi Kaneko , Jun Yamane , Koichi Kudo , Shinji Kato , Hitoshi Ishibashi , Shuji Hirai , Shingo Suzuki
IPC分类号： G03G15/00 , G03G13/22
CPC分类号： G03G13/22 , G03G15/5037 , G03G15/5041
摘要： An image forming apparatus includes a rotatable image carrier that carries a toner image having a length corresponding to at least a circumferential length of the carrier; an image density detector that detects a density of the image; a potential detector that detects, over at least the circumferential length, a surface potential of the carrier before toner adheres thereto; a first image forming device that adjusts the density with a first factor, and forms an image based on a first condition of the first factor; a second image forming device that adjusts the density with a second factor, and forms an image based on a second condition of the second factor; a first determining device that determines the first condition based on uneven density; and a second determining device that determines the second condition based on uneven density and a potential distribution of the surface potential.
摘要翻译：图像形成装置包括可转动的图像载体，其承载具有对应于载体的至少周长的长度的调色剂图像; 图像浓度检测器，其检测图像的浓度; 在调色剂附着于其之前，至少在圆周长度上检测载体的表面电位的电位检测器; 第一图像形成装置，其以第一因子调整所述浓度，并且基于所述第一因子的第一条件形成图像; 第二图像形成装置，其利用第二因子调整所述浓度，并且基于所述第二因子的第二条件形成图像; 第一确定装置，其基于不均匀密度来确定第一条件; 以及第二确定装置，其基于不均匀密度和表面电位的电位分布来确定第二条件。

10. 发明授权

US09182720B2 Image forming apparatus capable of reducing image density irregularity 有权
标题翻译：能够降低图像浓度不均匀的图像形成装置
公开(公告)号：US09182720B2
公开(公告)日：2015-11-10
申请号：US13591787
申请日：2012-08-22
申请人： Satoshi Kaneko , Shinji Kato , Hitoshi Ishibashi , Shuji Hirai , Jun Yamane , Koichi Kudo , Shingo Suzuki
发明人： Satoshi Kaneko , Shinji Kato , Hitoshi Ishibashi , Shuji Hirai , Jun Yamane , Koichi Kudo , Shingo Suzuki
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G15/5033
摘要： In an image forming apparatus, a processor generates a first density variation data based on the surface potential of the pattern in relation to the rotational position of the image bearer and a second density variation data based on the first density variation data and the density of the toner pattern, stores the first density variation data and the second density variation data in a memory, makes a pattern in a predetermined timing, decides whether the first density variation data is changed or not, change the first density variation data based on the decision, controls the toner image forming condition of the toner image forming device based on the first density variation data and the second density variation data.
摘要翻译：在图像形成装置中，处理器基于图像载体的旋转位置相对于图案的表面电位产生第一浓度变化数据，并且基于第一浓度变化数据和密度变化数据生成第二浓度变化数据调色剂图案将第一密度变化数据和第二浓度变化数据存储在存储器中，在预定定时中形成图案，判定第一浓度变化数据是否改变，基于该决定改变第一浓度变化数据，基于第一浓度变化数据和第二浓度变化数据控制调色剂图像形成装置的调色剂图像形成条件。

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