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1. 发明授权

US5666597A Image forming apparatus with delayed discharge by discharge means 失效
标题翻译：具有放电装置延迟放电的图像形成装置
公开(公告)号：US5666597A
公开(公告)日：1997-09-09
申请号：US727316
申请日：1996-10-08
申请人： Hiroshi Sasame , Haruo Fujii , Tatsuhiko Hayakawa , Tatsuya Kobayashi , Tetsuya Kobayashi , Naoki Enomoto , Akihiko Uchiyama , Yoshiro Saito , Youichirou Maebashi
发明人： Hiroshi Sasame , Haruo Fujii , Tatsuhiko Hayakawa , Tatsuya Kobayashi , Tetsuya Kobayashi , Naoki Enomoto , Akihiko Uchiyama , Yoshiro Saito , Youichirou Maebashi
IPC分类号： G03G15/01 , G03G21/06 , G03G21/00 , G03G21/08
CPC分类号： G03G15/0105 , G03G15/0131 , G03G21/06 , G03G2215/0174 , G03G2215/0177
摘要： An image forming apparatus includes an image bearing member for bearing an image, the image bearing member being rotatable at a first speed and a second speed which is different from the first speed, wherein during image formation on the image bearing member, the first speed is selected, and after completion of image formation on the image bearing member, a speed of rotation of the image bearing member is switchable from the first speed to the second speed; a discharger for electrically discharging the image bearing member at a discharging position, the discharger discharging the image bearing member at least one turn after the trailing edge of the image on the image bearing member passes through the discharging position and before the speed of the image bearing member is switched from the first speed to the second speed.
摘要翻译：图像形成装置包括用于承载图像的图像承载部件，图像承载部件能够以与第一速度不同的第一速度和第二速度旋转，其中在图像承载部件上的图像形成期间，第一速度为并且在图像承载部件上的图像形成完成之后，图像承载部件的旋转速度可从第一速度切换到第二速度; 用于在放电位置对图像承载部件进行电放电的放电器，在图像承载部件上的图像的后缘通过放电位置并且在图像承载速度之前，放电器将图像承载部件放电至少一匝成员从第一速度切换到第二速度。

2. 发明授权

US5548381A Developing apparatus forming alternating electric field between image bearing member and toner carrying member 失效
标题翻译：在图像承载部件和调色剂承载部件之间形成交变电场的显影装置
公开(公告)号：US5548381A
公开(公告)日：1996-08-20
申请号：US305557
申请日：1994-09-14
申请人： Yoshiro Saito , Haruo Fujii , Hiroshi Sasame , Tatsuhiko Hayakawa , Tatsuya Kobayashi , Tetsuya Kobayashi , Naoki Enomoto , Akihiko Uchiyama , Youichirou Maebashi
发明人： Yoshiro Saito , Haruo Fujii , Hiroshi Sasame , Tatsuhiko Hayakawa , Tatsuya Kobayashi , Tetsuya Kobayashi , Naoki Enomoto , Akihiko Uchiyama , Youichirou Maebashi
IPC分类号： G03G15/00 , G03G15/06 , G03G21/14
CPC分类号： G03G15/065
摘要： A developing apparatus includes a toner carrying member, disposed opposite an image bearing member for bearing an electrostatic image, for carrying toner to the image bearing member; an electric field forming device for forming an alternating electric field between the image bearing member and the toner carrying member, wherein the alternating electric field includes a first phase in which a constant electric field for urging the toner from said image bearing member toward said toner carrying member continues for a predetermined period, a second phase in which a constant electric field for urging the toner from said toner carrying member toward said image bearing member continues for a predetermined period, and a third phase in which the electric field gradually changes from that in the first phase to that in the second phase within a predetermined period .DELTA.T, and a controller for changing a ratio (.DELTA.T/T), where T is one period of the alternating electric field.
摘要翻译：显影装置包括调色剂承载构件，与调色剂承载部件相对设置，用于承载静电图像; 用于在所述图像承载部件和所述调色剂承载部件之间形成交变电场的电场形成装置，其中所述交变电场包括第一相位，其中用于将所述调色剂从所述图像承载部件向所述调色剂承载构件继续预定的时间段，其中用于将调色剂从所述调色剂承载构件推向所述图像承载构件的恒定电场的第二阶段持续预定时间段，并且其中电场逐渐变化的第三阶段在预定时段DELTA T内的第二阶段的第一阶段和用于改变比率（DELTA T / T）的控制器，其中T是交变电场的一个周期。

3. 发明授权

US5543900A Image forming apparatus which reduces toner fusion on an image bearing member 失效
标题翻译：降低图像承载部件上的调色剂熔融的图像形成装置
公开(公告)号：US5543900A
公开(公告)日：1996-08-06
申请号：US357602
申请日：1994-12-12
申请人： Youichirou Maebashi , Haruo Fujii , Hiroshi Sasame , Hiroaki Kawakami , Tatsuya Kobayashi , Tetsuya Kobayashi , Naoki Enomoto , Akihiko Uchiyama , Yoshiro Saito
发明人： Youichirou Maebashi , Haruo Fujii , Hiroshi Sasame , Hiroaki Kawakami , Tatsuya Kobayashi , Tetsuya Kobayashi , Naoki Enomoto , Akihiko Uchiyama , Yoshiro Saito
IPC分类号： G03G9/08 , G03G15/01 , G03G15/02 , G03G15/08
CPC分类号： G03G15/0216
摘要： An image forming apparatus includes an image bearing member for bearing an image of toner and a charging member contactable to the image bearing member to charge the image bearing member. The charging member is adapted to receive a voltage and the toner has a melt index of not less than 0.5 g/10 min. In the apparatus,P/(V.times.L).ltoreq.50J/m.sup.2where v is a movement speed of the image bearing member when the image bearing member is charged by the charging member (m/sec), L is an effective charging length of the charging member, measured in a direction perpendicular to the movement direction of the image bearing member (m), and P is an amount of electric power consumed by the charging member (W).
摘要翻译：图像形成装置包括用于承载调色剂图像的图像承载部件和可与图像承载部件接触以对图像承载部件充电的充电部件。充电构件适于接收电压，并且调色剂的熔体指数不小于0.5g / 10min。在设备中，P /（VxL）

4. 发明授权

US5940654A Image forming apparatus with development control based on density detection of developed control image 失效
标题翻译：基于开发控制图像的密度检测的具有开发控制的图像形成装置
公开(公告)号：US5940654A
公开(公告)日：1999-08-17
申请号：US772584
申请日：1996-12-26
申请人： Akihiko Uchiyama , Hiroshi Sasame , Tatsuya Kobayashi , Youichirou Maebashi
发明人： Akihiko Uchiyama , Hiroshi Sasame , Tatsuya Kobayashi , Youichirou Maebashi
IPC分类号： G01N21/47 , G03G15/00 , G03G15/06 , G03G15/08 , G03G21/00 , G03G21/14
CPC分类号： G03G15/065 , G03G2215/00042 , G03G2215/0177
摘要： An image forming apparatus includes an image bearing member electrostatic latent image forming device for forming an electrostatic latent image on the image bearing member, the image forming device forming, on the image bearing member, an electrostatic latent image usable for controlling image formation. A developing device is provided for developing an electrostatic latent image on the image bearing member, a density difference detecting device is provided for detecting a density difference in an image for the control developed by the developing device, and a control device is provided for controlling a developing condition of the developing device on the basis of an output of the density difference detecting device.
摘要翻译：图像形成装置包括用于在图像承载部件上形成静电潜像的图像承载部件静电潜像形成装置，图像形成装置在图像承载部件上形成可用于控制图像形成的静电潜像。提供一种用于在图像承载部件上显影静电潜像的显影装置，提供了一种浓度差检测装置，用于检测由显影装置展开的控制的图像中的浓度差，并且提供控制装置根据密度差检测装置的输出，显影装置的显影条件。

5. 发明授权

US6104891A Color image forming apparatus 有权
标题翻译：彩色图像形成装置
公开(公告)号：US6104891A
公开(公告)日：2000-08-15
申请号：US292307
申请日：1999-04-15
申请人： Youichirou Maebashi , Hiroshi Sasame
发明人： Youichirou Maebashi , Hiroshi Sasame
IPC分类号： G03G9/08 , G03G9/083 , G03G15/00 , G03G15/01 , G03G15/06 , G03G15/08 , G03G21/02 , H04N1/29 , H04N1/46 , G06G15/06
CPC分类号： G03G15/0121 , G03G2215/00042 , G03G2215/0177
摘要： A color image forming apparatus for forming an image through an electrophotographic process, the apparatus having an electrophotographic photosensitive member; charging device for charging the photosensitive member; exposure device for exposing the photosensitive member to light information to form an electrostatic latent image; a color developing device for developing the electrostatic latent image with color toner; a black developing device for developing the electrostatic latent image with black toner; control device for controlling an image forming operation condition to change an image quality; first integrating device for integrating an amount of color image output; second integrating device for integrating an amount of black image output; wherein the control device is responsive to a predetermined output of the first integrating device and to a predetermined output of the second integrating device which is different from the predetermined output of the first integrating device, and wherein the control device controls a condition relating to a color image output on the basis of the predetermined output of the first integrating device, and controls a condition relating to a black image output on the basis of the predetermined output of the second integrating device.
摘要翻译：一种用于通过电子照相方法形成图像的彩色图像形成装置，该装置具有电子照相感光构件; 用于对感光构件充电的充电装置; 曝光装置，用于将感光构件暴露于光信息以形成静电潜像; 用彩色调色剂显影静电潜像的彩色显影装置; 用黑色调色剂显影静电潜像的黑色显影装置; 用于控制图像形成操作条件以改变图像质量的控制装置; 用于集成一定量的彩色图像输出的第一整合装置; 第二积分装置，用于积分一定量的黑色图像输出; 其中所述控制装置响应于所述第一积分装置的预定输出和与所述第一积分装置的预定输出不同的所述第二积分装置的预定输出，并且其中所述控制装置控制与颜色相关的条件基于第一积分装置的预定输出输出图像，并且基于第二积分装置的预定输出来控制与黑色图像输出相关的条件。

6. 发明授权

US5649268A Charging device having a voltage with a superimposing component mode having a DC component and an oscillation component and a DC component mode 失效
标题翻译：具有具有DC分量和振荡分量以及DC分量模式的叠加分量模式的电压的充电装置
公开(公告)号：US5649268A
公开(公告)日：1997-07-15
申请号：US543872
申请日：1995-10-19
申请人： Youichirou Maebashi , Hiroshi Sasame
发明人： Youichirou Maebashi , Hiroshi Sasame
IPC分类号： G03G15/02
CPC分类号： G03G15/0216
摘要： A charging device includes a member to be charged; a charging member for charging the member to be charged, the charging member being contactable to the member to be charged and being supplied with a voltage; and wherein upon switching of the voltage from a DC component mode to a superimposing component mode of a DC component and an oscillation component, the DC component is decreased, and a peak-to-peak voltage of the oscillation component is increased in a period, and wherein the peak-to-peak voltage is changed from a first voltage which is smaller than twice a charge starting voltage of the member to be charged to a second voltage which is twice the charge starting voltage, while the peak-to-peak voltage is increasing.
摘要翻译：充电装置包括要充电的构件; 充电构件，用于对要充电的构件进行充电，所述充电构件可与要充电的构件接触并被提供电压; 并且其中，当从DC分量模式的电压切换到DC分量和振荡分量的叠加分量模式时，DC分量减小，并且振荡分量的峰 - 峰电压在一段时间内增加，并且其中所述峰峰值电压从要被充电的部件的充电起始电压的两倍的第一电压改变到所述充电起始电压的两倍的第二电压，而所述峰峰值电压在增加。

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