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1. 发明授权

US5669050A Developing apparatus using blank pulse bias 失效
标题翻译：显影装置采用空白脉冲偏置
公开(公告)号：US5669050A
公开(公告)日：1997-09-16
申请号：US365034
申请日：1994-12-28
申请人： Yuji Sakemi , Koji Amemiya , Takeshi Menjo , Masahiro Inoue , Masami Izumizaki
发明人： Yuji Sakemi , Koji Amemiya , Takeshi Menjo , Masahiro Inoue , Masami Izumizaki
IPC分类号： G03G15/06 , G03G15/09 , G03G21/00
CPC分类号： G03G15/065 , G03G15/0907
摘要： An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developer carrying member, opposed to the image bearing member, for carrying a developer containing toner; bias voltage applying device for applying a developing bias voltage to the developer carrying member, the bias voltage satisfying: ##EQU1## V1 (V): a voltage applying force to the toner toward the developer carrying member away from the image bearing member;T1 (sec): a time period of application of the voltage V1;V2 (V): a voltage applying force to the toner away from the developer carrying member toward the image bearing member;T2 (sec): a time period of application of the voltage V2;T3 (V): a time period of application of a voltage V3 which is (V1+V2)/2;d (m): distance between the image bearing member and the developer carrying member.
摘要翻译：图像形成装置包括用于承载静电图像的图像承载部件; 显影剂承载构件，与图像承载构件相对，用于承载含有调色剂的显影剂; 偏置电压施加装置，用于向显影剂承载构件施加显影偏压，该偏置电压满足以下条件： T3>（133d2 / T2 | V2-V1 |）-1/2T2 V1（V）朝向显影剂承载构件的调色剂远离图像承载部件; T1（sec）：施加电压V1的时间段; V2（V）：向显影剂承载构件朝向图像承载构件的向调色剂供电的电压; T2（秒）：施加电压V2的时间段; T3（V）：施加（V1 + V2）/ 2的电压V3的时间段; d（m）：图像承载部件与显影剂承载部件之间的距离。

2. 发明授权

US5296897A Image forming apparatus for forming multi-image on transfer sheet with plural color toners 失效
标题翻译：用于在多色调色剂的转印纸上形成多图像的图像形成装置
公开(公告)号：US5296897A
公开(公告)日：1994-03-22
申请号：US25338
申请日：1993-03-03
申请人： Koji Amemiya , Yuji Sakemi , Masami Izumizaki
发明人： Koji Amemiya , Yuji Sakemi , Masami Izumizaki
IPC分类号： G03G15/00 , G03G15/01
CPC分类号： G03G15/5058 , G03G15/0194 , G03G2215/00063 , G03G2215/0119 , G03G2215/1661
摘要： The present invention aims to improve the image forming efficiency by selecting positions where image adjusting toner images are formed to non-image areas of convey means by changing the supply timing of a transfer sheet onto the convey means, in an image forming apparatus wherein a plurality of electrophotographic photosensitive members are arranged side by side and color toner images formed on the photosensitive members are successively transferred onto a transfer sheet supplied at transfer positions for the photosensitive members thereby to form a color image on the transfer sheet.
摘要翻译：本发明旨在通过在图像形成装置中将图像调节调色剂图像形成到不输送装置的非图像区域的位置来改善图像形成效率，该图像形成装置中的多个电子照相感光构件并排布置，并且形成在感光构件上的彩色调色剂图像被依次转印到在感光构件的转印位置处供给的转印纸上，从而在转印纸上形成彩色图像。

3. 发明授权

US5525752A Developing apparatus 失效
标题翻译：开发设备
公开(公告)号：US5525752A
公开(公告)日：1996-06-11
申请号：US186131
申请日：1994-01-25
申请人： Masami Izumizaki , Koji Amemiya , Yuji Sakemi , Shigeru Ohki , Kunihiko Kitayama
发明人： Masami Izumizaki , Koji Amemiya , Yuji Sakemi , Shigeru Ohki , Kunihiko Kitayama
IPC分类号： G03G9/10 , G03G13/09 , G03G15/09
CPC分类号： G03G15/0921 , G03G13/09 , G03G9/10
摘要： A developing device for developing an electrostatic latent image includes a rotatable developer carrying member for carrying a developer composed of toner particles and magnetic carrier particles, wherein the developer carrying member rotates through a supply position where the developer is supplied to a surface of the developer carrying member, a regulating position where a regulating member for regulating a thickness of a layer of the developer on the surface is disposed, a developing position where the electrostatic latent image is developed, and a removing position for removing the developer remaining on the surface after a developing operation, in the order named. A stationary magnet is disposed in the developer carrying member. The magnet includes a developing magnetic pole for forming a magnetic field at the developing position, and a plurality of conveying magnetic poles disposed between the supply position and the regulating position, wherein a peak of magnetic flux density of each of the conveying magnetic poles is 10-49% of a peak of the magnetic flux density of the developing magnetic pole.
摘要翻译：用于显影静电潜像的显影装置包括用于承载由调色剂颗粒和磁性载体颗粒组成的显影剂的可旋转的显影剂承载构件，其中显影剂承载构件通过供应位置旋转，其中显影剂被供应到显影剂承载的表面构件，其中设置有用于调节表面上的显影剂层的厚度的调节构件的调节位置，静电潜像显影的显影位置和用于除去静电潜像后的显影剂的去除位置开发操作，按命名。固定磁体设置在显影剂承载构件中。磁体包括用于在显影位置形成磁场的显影磁极和设置在供给位置和调节位置之间的多个输送磁极，其中每个输送磁极的磁通密度的峰值为10 显影磁极的磁通密度峰值的-49％。

4. 发明授权

US4883019A Image forming apparatus having developer content detector 失效
标题翻译：具有显影剂含量检测器的图像形成装置
公开(公告)号：US4883019A
公开(公告)日：1989-11-28
申请号：US145815
申请日：1988-01-19
申请人： Takeshi Menjo , Masahiro Inoue , Koji Amemiya
发明人： Takeshi Menjo , Masahiro Inoue , Koji Amemiya
IPC分类号： G03G15/08
CPC分类号： G03G15/0855 , G03G15/0877
摘要： An image forming apparatus including an image bearing member, a developing device for developing a latent image formed on the image bearing member and including a developer carrying member for carrying the developer toward the image bearing member, a toner content detecting device including a reflecting member for receiving light and reflecting a quantity of light corresponding to a reference toner content, a light emitting element and a light receiving element for producing an electric signal in accordance with a quantity of light applied to and received from the reflecting member, and a toner content control device for controlling toner supply to the developing device in accordance with a signal produced by the toner content detecting device. The toner content control device includes a device for storing a ratio of a reference toner content signal to a reference reflection density signal. A toner supply control device is provided for producing a ratio signal representative of a ratio of a toner content signal from the light receiving element to a reflection density signal from the light receiving element, for comparing the ratio signals, and for controlling toner supply to the developing device on the basis of a result of the comparison.
摘要翻译：一种图像形成装置，包括图像承载部件，用于显影形成在图像承载部件上的潜像的显影装置，并且包括用于将显影剂携带到图像承载部件的显影剂承载部件;调色剂含量检测装置，包括反射部件，接收光并反射与参考调色剂含量相对应的光量，发光元件和用于根据施加到反射构件并从反射构件接收的光量产生电信号的光接收元件，以及调色剂含量控制用于根据由调色剂含量检测装置产生的信号控制向显影装置供应调色剂的装置。调色剂含量控制装置包括用于存储基准调色剂含量信号与参考反射浓度信号的比率的装置。提供调色剂供应控制装置，用于产生表示来自光接收元件的调色剂含量信号与来自光接收元件的反射浓度信号的比率的比率信号，用于比较信号比率，以及用于控制调色剂供应到基于比较结果的显影装置。

5. 发明授权

US5481340A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US5481340A
公开(公告)日：1996-01-02
申请号：US267719
申请日：1994-06-29
申请人： Yoshinori Nagao , Koji Amemiya , Masami Izumizaki , Nobuatsu Sasanuma
发明人： Yoshinori Nagao , Koji Amemiya , Masami Izumizaki , Nobuatsu Sasanuma
IPC分类号： G03G15/00 , G03G15/01 , G03G15/08 , H04N1/40 , G03G21/00
CPC分类号： G03G15/5062 , G03G15/01 , G03G15/5037 , G03G15/5041 , G03G15/5058 , H04N1/40025 , G03G2215/00042 , G03G2215/00054
摘要： An image forming apparatus for controlling image forming conditions regarding the image quality comprises an image forming unit to form an image onto a recording medium such as a paper, a generator to generate pattern data to form an image of a stripe pattern of a predetermined interval by the image forming unit, a reader to read the stripe pattern image which is formed by the image forming unit in accordance with the pattern data which is generated from the generator, a memory to store the stripe pattern image read by the reader, a detector to detect the interval of the stripes of the stripe pattern stored in the memory, and a controller to control the image forming unit on the basis of the stripe interval detected by the detector.
摘要翻译：用于控制关于图像质量的图像形成条件的图像形成装置包括：图像形成单元，用于在诸如纸张的记录介质上形成图像;生成器，用于生成图案数据，以形成预定间隔的条纹图案的图像，图像形成单元，读取器，用于根据从发生器产生的图案数据读取由图像形成单元形成的条纹图案图像;存储器，用于存储读取器读取的条纹图案图像;检测器; 检测存储在存储器中的条纹图案的条纹的间隔，以及控制器，用于基于由检测器检测的条带间隔来控制图像形成单元。

6. 发明授权

US5376956A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US5376956A
公开(公告)日：1994-12-27
申请号：US998737
申请日：1992-12-30
申请人： Yoshinori Nagao , Koji Amemiya , Masami Izumizaki , Nobuatsu Sasanuma
发明人： Yoshinori Nagao , Koji Amemiya , Masami Izumizaki , Nobuatsu Sasanuma
IPC分类号： B41J2/44 , B41J2/525 , G03G15/00 , G03G15/01 , G03G15/06 , G03G15/08 , H04N1/23 , H04N1/29 , G03G21/00
CPC分类号： H04N1/295 , B41J2/525 , G03G15/01 , G03G15/0131 , G03G15/5041 , G03G15/5058 , G03G2215/00042 , G03G2215/00059 , G03G2215/0177
摘要： An image forming apparatus forms a predetermined test image, detects a spatial frequency characteristic of the test image, and determines an optimum image forming condition on the basis of the detected spatial frequency characteristic.
摘要翻译：图像形成装置形成预定的测试图像，检测测试图像的空间频率特性，并且基于检测到的空间频率特性来确定最佳图像形成条件。

7. 发明授权

US4914737A Image forming apparatus 失效
公开(公告)号：US4914737A
公开(公告)日：1990-04-03
申请号：US390425
申请日：1989-08-04
申请人： Koji Amemiya , Takeshi Menjo , Takashi Hasegawa , Hiroshi Satomura
发明人： Koji Amemiya , Takeshi Menjo , Takashi Hasegawa , Hiroshi Satomura
IPC分类号： G03G15/01 , G03G15/16
CPC分类号： G03G15/166 , G03G15/0131 , G03G2215/0177
摘要： An image forming apparatus includes a movable image bearing means, an image forming device for forming an image on the image bearing member, an image receiving material bearing member for carrying and conveying an image receiving material to an image transfer station where the image formed by the image forming device is transferred from the image bearing member to the image receiving material, an image transfer device disposed at the transfer station in opposition to the image bearing device, a discharger, disposed downstream of the image transfer device with respect to the movement direction of the image receiving material and in opposition to the image receiving material carrying member, and operative when a trailing edge of the image receiving material is substantially immediately before a transfer zone by the image transfer device or when it is in the transfer zone, during the period when the image receiving material is conveyed by the image receiving material carrying member.

8. 发明授权

US4912515A Image forming apparatus 失效
公开(公告)号：US4912515A
公开(公告)日：1990-03-27
申请号：US372170
申请日：1989-06-27
申请人： Koji Amemiya , Takeshi Menjo , Takashi Hasegawa , Hiroshi Satomura
发明人： Koji Amemiya , Takeshi Menjo , Takashi Hasegawa , Hiroshi Satomura
IPC分类号： G03G15/00 , G03G15/01 , G03G15/14 , G03G15/16
CPC分类号： G03G15/0131 , G03G15/1645 , G03G2215/0177
摘要： An image forming apparatus includes a movable image bearing member, a device for sequentially forming on the image bearing member images corresponding to different color information, a device for transferring onto an image receiving material the images formed on the image bearing member, image receiving material carrying member for carrying and conveying the image receiving material to an image transfer station where the image bearing means and the transfer device are opposed, wherein the images formed on the image bearing member are sequentially transferred superimposedly onto the image receiving material at the transfer station, a discharging device disposed downstream of the image transfer device with respect to movement detection of the image receiving material carrying member, a detector for detecting a temperature and a humidity within the image forming apparatus, and a control device for controlling outputs of the image transfer device and the discharging device on the basis of output from the detector and predetermined data.

9. 发明授权

US5552872A Separation charger control for electro-photographic apparatus 失效
标题翻译：电子照相设备分离充电器控制
公开(公告)号：US5552872A
公开(公告)日：1996-09-03
申请号：US186036
申请日：1994-01-25
申请人： Koji Amemiya , Masahiro Inoue
发明人： Koji Amemiya , Masahiro Inoue
IPC分类号： G03G15/01 , G03G15/16 , G03G15/14
CPC分类号： G03G15/0131 , G03G15/166 , G03G2215/0177
摘要： An image forming apparatus comprises a photoconductor on which a toner image is formed, an intermediate transfer drum disposed opposite to the photoconductor for holding a sheet on its circumferential surface, and a transfer charger disposed opposite to the photoconductor through the intermediate transfer drum for transferring a toner image from the photoconductor onto a sheet held on the intermediate transfer drum. A separation charger is disposed at a downstream side of the transfer charger in the rotational direction of the intermediate transfer drum for separating the sheet from the intermediate transfer drum, the output of the separation charger being set corresponding to the number of times the toner image is transferred.
摘要翻译：图像形成装置包括其上形成有调色剂图像的感光体，与感光体相对设置的用于在其圆周表面上保持片材的中间转印鼓，以及通过中间转印鼓与感光体相对设置的转印充电器，用于转印将调色剂图像从感光体到保持在中间转印鼓上的片材上。分离充电器设置在转印充电器的中间转印鼓的旋转方向的下游侧，用于将纸张与中间转印鼓分离，分离充电器的输出对应于调色剂图像的次数设定转入。

10. 发明授权

US5890046A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US5890046A
公开(公告)日：1999-03-30
申请号：US673822
申请日：1996-06-27
申请人： Koji Amemiya , Masahiro Inoue
发明人： Koji Amemiya , Masahiro Inoue
IPC分类号： G03G15/01 , G03G15/16
CPC分类号： G03G15/0131 , G03G15/166 , G03G2215/0177
摘要： An image forming apparatus comprising an image bearing member on which a toner image is formed, transfer material carrying structure for carrying thereon on a transfer material, a transfer charger for performing an image transfer operation for transferring electrostatically the toner image formed on the image bearing member to the transfer material carried on the transfer material carrying structure at an image transfer position, wherein the transfer charger performs the image transfer operation a plurality of times on the same transfer material, the transfer charger means being supplied with a voltage of a polarity opposite from that of the toner image, and a discharger device, having a first discharger disposed adjacent to the transfer material carrying side of the transfer material carrying structure and a second discharger opposed to the first discharger with the transfer material carrying structure therebetween, wherein the first and second dischargers are not operable during a period between an image transfer onto a transfer material and a successive image transfer onto the same transfer material and during passage of the transfer material between the first and second dischargers, and wherein, during a separating operation for separating the transfer material from the transfer material carrying means, the first and second dischargers acting on the transfer material over its entire surface in the separation period.
摘要翻译：一种图像形成装置，包括在其上形成有调色剂图像的图像承载部件，用于在转印材料上承载的转印材料承载结构，用于执行用于静电转印形成在图像承载部件上的调色剂图像的图像转印操作的转印充电器涉及在图像转印位置上承载在转印材料承载结构上的转印材料，其中转印充电器在相同的转印材料上多次进行图像转印操作，转印充电器装置被提供极性相反的电压调色剂图像的位置以及排出装置，其具有邻近转印材料承载结构的转印材料承载侧设置的第一放电器和与第一放电器相对的第二放电器，其间具有转印材料承载结构，其中第一和在pe期间，第二放电器不能操作在转印到转印材料上的图像转印到相同的转印材料上并且在转印材料在第一和第二放电器之间通过期间的连续图像转印，并且其中，在用于将转印材料与转印材料分离的分离操作期间意味着第一和第二放电器在分离期间在其整个表面上作用在转印材料上。

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