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1. 发明授权

US5477308A Image forming apparatus having an image-quality correction function 失效
标题翻译：具有图像质量校正功能的图像形成装置
公开(公告)号：US5477308A
公开(公告)日：1995-12-19
申请号：US157929
申请日：1993-11-24
申请人： Kazuyuki Ohnishi , Yasutaka Maeda , Yoichi Shimazawa , Mihoko Okada , Yuichi Kazaki , Shin-ichirou Ohhashi , Yoshie Iwakura
发明人： Kazuyuki Ohnishi , Yasutaka Maeda , Yoichi Shimazawa , Mihoko Okada , Yuichi Kazaki , Shin-ichirou Ohhashi , Yoshie Iwakura
IPC分类号： G03G15/00 , H04N1/32
CPC分类号： G03G15/50 , G03G15/5041 , H04N1/32561 , G03G2215/00042 , H04N2201/0081 , H04N2201/0082
摘要： An image forming apparatus is designed to compensate for voltage to be applied to an exposure lamp and a charger in accordance with changes in the density of a toner image formed on a photoreceptor that occur from its initial state to its final state after an image forming operation. More specifically, the density of a reference toner image is measured by a toner-density sensor. The amount of change in the density is measured beginning with its initial state by a subtracter, and the amount of compensation for the voltage required for obtaining the optimum image quality is found. By using these amounts of compensation as teaching data, learning is made as to the relationship between the amount of change in the density and the amount of compensation in a neurocomputer. Upon forming an image, the neurocomputer executes operations in accordance with the contents of the learning based on an inputted amount of change in density, and finds an appropriate amount of compensation. With this arrangement, it is possible to constantly obtain copied images having stable image quality, and to lower the cost of image forming apparatuses by reducing the number of parts used for the sensors or other devices.
摘要翻译：图像形成装置被设计为根据在成像操作之后从其初始状态发生到其最终状态的感光体上形成的调色剂图像的浓度的变化来补偿施加到曝光灯和充电器的电压。更具体地，通过调色剂浓度传感器测量参考调色剂图像的浓度。通过减法器从其初始状态开始测量密度的变化量，并且找到获得最佳图像质量所需的电压的补偿量。通过使用这些数量的补偿作为教学数据，就了解了神经计算机中密度变化量与补偿量之间的关系。在形成图像时，神经计算机根据输入的密度变化量根据学习的内容执行操作，并且找到适当的补偿量。通过这种布置，可以不断获得具有稳定图像质量的复制图像，并且通过减少用于传感器或其他装置的部件数量来降低图像形成装置的成本。

2. 发明授权

US4952986A Copying apparatus 失效
标题翻译：复印机
公开(公告)号：US4952986A
公开(公告)日：1990-08-28
申请号：US330367
申请日：1989-03-29
申请人： Yasutaka Maeda , Hideyuki Nishimura , Tsuyoshi Miyamoto , Kyouichi Takata , Kiyoshi Inamoto , Kazuyuki Ohnishi , Kazunori Sohda , Yukihiko Ueno , Taisuke Kamimura , Yoichi Shimazawa , Tokiyuki Okano , Masato Tokishige
发明人： Yasutaka Maeda , Hideyuki Nishimura , Tsuyoshi Miyamoto , Kyouichi Takata , Kiyoshi Inamoto , Kazuyuki Ohnishi , Kazunori Sohda , Yukihiko Ueno , Taisuke Kamimura , Yoichi Shimazawa , Tokiyuki Okano , Masato Tokishige
IPC分类号： G03G15/00 , G03G15/01
CPC分类号： G03G15/5025 , G03G15/01
摘要： A copying apparatus having a prescanning function for obtaining density data to adjust copy parameters includes a correction function which eliminates the data obtained from a portion of a predetermined color, from the density data detected on a prescanning process. The density data can be restricted within a predetermined range. The predetermined range can be easily set by the user.

3. 发明授权

US5343282A Color balance adjusting apparatus for full-color copier 失效
标题翻译：全彩复印机色平衡调节装置
公开(公告)号：US5343282A
公开(公告)日：1994-08-30
申请号：US99739
申请日：1993-07-30
申请人： Yuichi Kazaki , Yasutaka Maeda , Hiroshi Kawamoto , Hideyuki Nishimura , Katsuhiro Nagayama
发明人： Yuichi Kazaki , Yasutaka Maeda , Hiroshi Kawamoto , Hideyuki Nishimura , Katsuhiro Nagayama
IPC分类号： G03G15/00 , G03G15/01 , G03G15/04 , G03G15/043 , G03G15/08 , G03G21/00
CPC分类号： G03G15/011 , G03G15/01
摘要： A color balance adjusting apparatus is used for a full color copier in which an original image is illuminated by a light source; the illuminated image is exposed onto a photoreceptor to form electrostatic latent images corresponding to first, second and third colors for creating a color image; and each of the formed electrostatic latent images is developed into a visualized toner image. The color balance adjusting apparatus includes an infrared sensor for detecting toner density of the toner image formed with a toner having any one color of the first, second and third colors. The apparatus further includes automatic adjustment means which determines a relation of light intensity to toner density detected for one color by varying light intensity of said light source, and which determines optimal light intensity for the other two colors as predetermined functions of obtained optimal light intensity. Using this apparatus, automatic adjustment of the color balance for each copy mode can be effected in a short time with lesser consumption of electricity and supplies.
摘要翻译：色彩平衡调节装置用于其中原始图像被光源照射的全色复印机; 将照明图像曝光到感光体上以形成对应于第一，第二和第三颜色的静电潜像，以产生彩色图像; 并且每个形成的静电潜像被显影成可视化的调色剂图像。色平衡调节装置包括红外传感器，用于检测由具有第一，第二和第三颜色的任何一种颜色的调色剂形成的调色剂图像的调色剂浓度。该装置还包括自动调节装置，其通过改变所述光源的光强度来确定针对一种颜色检测的光强度与调色剂浓度的关系，并且确定其它两种颜色的最佳光强度作为获得的最佳光强度的预定函数。使用该装置，可以在较短的时间内对每种复印模式的颜色平衡进行自动调整，同时电力和耗材的消耗较少。

4. 发明授权

US5204729A Full color copying machine 失效
标题翻译：全彩色复印机
公开(公告)号：US5204729A
公开(公告)日：1993-04-20
申请号：US638296
申请日：1991-01-07
申请人： Yasutaka Maeda , Taisuke Kamimura , Hideyuki Nishimura , Tsuyoshi Miyamoto , Katsuhiro Nagayama , Natsuko Tanaka , Yuichi Kazaki
发明人： Yasutaka Maeda , Taisuke Kamimura , Hideyuki Nishimura , Tsuyoshi Miyamoto , Katsuhiro Nagayama , Natsuko Tanaka , Yuichi Kazaki
IPC分类号： G03G15/01 , G03G15/04
CPC分类号： G03G15/04027 , G03G15/0115
摘要： A full color copying machine which includes intermediate transfer medium whereon toner images having respective color components, formed on a photoreceptor are transferred to form one color toner image, and a screen filter disposed so as to be freely inserted or removed in or from a path of exposure light, which filters the exposure light for exposing the photoreceptor into a pattern of lines. A plurality of color toner images obtained by executing a plurality of copying processes based on a plurality of exposures applied to an original document are superposed on the intermediate transfer medium to form a color toner image. The copying machine further includes a screen mode for inserting a screen filter into a path of exposure light and a normal mode for removing the screen filter from the path of exposure light. Thus, exposures intended for low density components and high density components in an original document image are respectively performed by the use of the different modes, or they are respectively performed by changing setting conditions of the screen filter in the screen mode. With these arrangements, efficient application of the exposure device and high quality of the copied images can be achieved.
摘要翻译：一种全彩色复印机，其包括中间转印介质，其中形成在感光体上的具有各自颜色成分的调色剂图像被转印以形成单色调色剂图像;以及筛网过滤器，其被设置为在曝光光，其过滤曝光光以将感光体曝光成线条图案。通过基于施加到原始文档的多次曝光执行多个复印处理而获得的多个彩色调色剂图像叠加在中间转印介质上以形成彩色调色剂图像。复印机还包括用于将屏幕过滤器插入曝光光路径的屏幕模式和用于从曝光光线路径移除屏幕过滤器的正常模式。因此，分别通过使用不同的模式来分别执行原始文档图像中用于低密度分量和高密度分量的曝光，或者它们分别通过在屏幕模式中改变屏幕滤镜的设置条件来执行。通过这些布置，可以实现曝光装置的有效应用和复印图像的高质量。

5. 发明授权

US5915074A Image formation apparatus and image formation method 失效
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US5915074A
公开(公告)日：1999-06-22
申请号：US856321
申请日：1997-05-14
申请人： Yoichi Shimazawa , Hideo Matsuda , Yasutaka Maeda , Shunju Anzai , Osamu Fujimoto , Hidekazu Sakagami , Kazumi Irie
发明人： Yoichi Shimazawa , Hideo Matsuda , Yasutaka Maeda , Shunju Anzai , Osamu Fujimoto , Hidekazu Sakagami , Kazumi Irie
IPC分类号： G03G15/00 , G03G15/01 , G03G15/16 , G06K15/12 , H04N1/23 , G06K15/00
CPC分类号： G06K15/129 , G03G15/0184 , G03G2215/0106
摘要： Developing devices are provided adjacent to a light sensitive element. An intermediate transfer drum is provided adjacent to the light sensitive elements. After exposure of the light sensitive element, a first color or third color image is formed on the light sensitive element. On the other hand, after exposure of the light sensitive element, a second color or fourth color image can be formed on the light sensitive element. The first color image is transferred from the transfer unit to the intermediate transfer drum at the first transfer portion, and the second color image is transferred from the transfer unit at the second transfer portion so as to be superimposed on the first color image. Similarly, the third color image is transferred so as to be superimposed on the second image and the fourth color image is transferred so as to be superimposed on the third color image to the intermediate transfer drum. Accordingly, the first to fourth color images are superimposed. Thereby, downsizing of the device and cost reduction are achieved and image formation speed is facilitated.
摘要翻译：显影装置设置在与光敏元件相邻的位置。中间转印鼓设置成与光敏元件相邻。在感光元件曝光之后，在感光元件上形成第一彩色或第三彩色图像。另一方面，在感光元件曝光之后，可以在光敏元件上形成第二彩色或第四彩色图像。第一彩色图像在第一转印部分从转印单元转印到中间转印鼓，并且第二彩色图像在第二转印部分从转印单元转印以便叠加在第一彩色图像上。类似地，第三彩色图像被转印以叠加在第二图像上，并且第四彩色图像被转印以便叠加在第三彩色图像上至中间转印鼓。因此，叠加第一至第四彩色图像。从而，实现了装置的小型化和成本降低，并且促进了图像形成速度。

6. 发明授权

US06240271B1 Image formation apparatus and image formation method 失效
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US06240271B1
公开(公告)日：2001-05-29
申请号：US09238150
申请日：1999-01-28
申请人： Yoichi Shimazawa , Hideo Matsuda , Yasutaka Maeda , Shunju Anzai , Osamu Fujimoto , Hidekazu Sakagami , Kazumi Irie
发明人： Yoichi Shimazawa , Hideo Matsuda , Yasutaka Maeda , Shunju Anzai , Osamu Fujimoto , Hidekazu Sakagami , Kazumi Irie
IPC分类号： G03G1501
CPC分类号： G06K15/129 , G03G15/0184 , G03G2215/0106
摘要： Developing devices are provided adjacent to a light sensitive element. An intermediate transfer drum is provided adjacent to the light sensitive elements. After exposure of the light sensitive element, a first color or third color image is formed on the light sensitive element. On the other hand, after exposure of the light sensitive element, a second color or fourth color image can be formed on the light sensitive element. The first color image is transferred from the transfer unit to the intermediate transfer drum at the first transfer portion, and the second color image is transferred from the transfer unit at the second transfer portion so as to be superimposed on the first color image. Similarly, the third color image is transferred so as to be superimposed on the second image and the fourth color image is transferred so as to be superimposed on the third color image to the intermediate transfer drum. Accordingly, the first to fourth color images are superimposed. Thereby, downsizing of the device and cost reduction are achieved and image formation speed is facilitated.
摘要翻译：显影装置设置在与光敏元件相邻的位置。中间转印鼓设置成与光敏元件相邻。在感光元件曝光之后，在感光元件上形成第一彩色或第三彩色图像。另一方面，在感光元件曝光之后，可以在光敏元件上形成第二彩色或第四彩色图像。第一彩色图像在第一转印部分从转印单元转印到中间转印鼓，并且第二彩色图像在第二转印部分从转印单元转印以便叠加在第一彩色图像上。类似地，第三彩色图像被转印以叠加在第二图像上，并且第四彩色图像被转印以便叠加在第三彩色图像上至中间转印鼓。因此，叠加第一至第四彩色图像。从而，实现了装置的小型化和成本降低，并且促进了图像形成速度。

7. 发明授权

US5164782A Electrophotographic copying apparatus 失效
标题翻译：电子照相复印设备
公开(公告)号：US5164782A
公开(公告)日：1992-11-17
申请号：US774197
申请日：1991-10-10
申请人： Katsuhiro Nagayama , Yasutaka Maeda , Hideyuki Nishimura , Yoichi Shimazawa , Koichi Moriyama , Hideo Matsuda
发明人： Katsuhiro Nagayama , Yasutaka Maeda , Hideyuki Nishimura , Yoichi Shimazawa , Koichi Moriyama , Hideo Matsuda
IPC分类号： G03G15/20
CPC分类号： G03G15/20 , G03G15/2021 , G03G15/2064 , G03G15/6585 , G03G2215/2016 , G03G2215/2074 , G03G2215/208 , G03G2215/209
摘要： An electrophotographic copying apparatus comprises a photosensitive member (4) exposed by light reflected from an original to form an image of the original thereon, mechanism (13) for developing the image on the photosensitive member with toner (9, 10, 11, 12) to produce a toner image corresponding the image mechanism (24) for transferring the toner image onto a transfer material, mechanism (26) for fixing the toner image transferred on the transfer material, mechanism (27) for producing a signal which represents that high surface glossiness of the image copy is required, and mechanism (31, 32) for feeding the transfer material in a first path when the signal is produced, the transfer material being fixed fully, and for feeding the transfer material in a second path shorter than the first path when the signal is not produced.
摘要翻译：电子照相复印装置包括由原稿反射的光曝光的感光构件（4），用于在其上形成原稿的图像，用于利用调色剂（9,10,11,12）在感光构件上显影图像的机构（13）以产生对应于用于将调色剂图像转印到转印材料上的图像机构（24）的调色剂图像，用于固定转印在转印材料上的调色剂图像的机构（26），用于产生表示高表面的信号的机构（27）需要图像复制的光泽度，以及用于在产生信号时将转印材料馈送在第一路径中的机构（31,32），转印材料被完全固定，并且用于以比第二路径短当信号不产生时的第一条路径。

8. 发明授权

US5233391A Image adjusting apparatus having a controlled the voltage applied to the light source thereof 失效
标题翻译：具有控制施加到其光源的电压的图像调整装置
公开(公告)号：US5233391A
公开(公告)日：1993-08-03
申请号：US889727
申请日：1992-05-28
申请人： Kazuyuki Ohnishi , Yasutaka Maeda , Hiroshi Kawamoto
发明人： Kazuyuki Ohnishi , Yasutaka Maeda , Hiroshi Kawamoto
IPC分类号： G03G15/00 , G03G15/01 , G03G15/043 , G03G15/06 , G03G15/08 , G03G21/00
CPC分类号： G03G15/5041 , G03G15/043
摘要： An image adjusting apparatus being provided in a copying machine capable of performing a copy of an original by using a photosensitive body in two or more copying modes, includes a unit for sensing a toner density of an image formed on the photosensitive body, a unit for deriving a function in accordance with each of the two or more copying modes if a control voltage influencing the toner density is changed, and a unit for setting the control voltage to be a voltage value obtained based on a predetermined reference toner density and the function derived by the deriving unit. The function stands for a relation between the changed control voltage and the toner density sensed by the sensing unit.
摘要翻译：一种图像调整装置，其设置在能够通过使用感光体以两种或更多种复印模式执行原稿复印的复印机中，包括用于感测形成在感光体上的图像的调色剂浓度的单元，如果改变影响调色剂浓度的控制电压，则根据两个或更多个复印模式中的每一个导出功能，以及用于将控制电压设置为基于预定的参考调色剂浓度获得的电压值的单元，并且导出的函数由导出单元。该功能代表改变的控制电压和由感测单元感测的调色剂浓度之间的关系。

9. 发明授权

US4937616A Light source device for use in a copying machine 失效
标题翻译：用于复印机的光源装置
公开(公告)号：US4937616A
公开(公告)日：1990-06-26
申请号：US352983
申请日：1989-05-17
申请人： Yasutaka Maeda , Taisuke Kamimura , Osamu Fujimoto , Tsuyoshi Miyamoto , Masato Tokishige , Kazuyuki Ohnishi
发明人： Yasutaka Maeda , Taisuke Kamimura , Osamu Fujimoto , Tsuyoshi Miyamoto , Masato Tokishige , Kazuyuki Ohnishi
IPC分类号： G03B27/54 , G03G15/01 , G03G15/04 , G03G15/043
CPC分类号： G03B27/542 , G03G15/011 , G03G15/04036
摘要： A light source device for use in a color copying machine comprises a plurality of light source lamps having different efficiencies respectively and means for lighting any number of light source lamp or lamps among said plural light source lamps depending on the luminous energy of the respective blue, green and red spectrums and/or the spectral sensitivity of the photosensitive member for said respective spectrums.
摘要翻译：用于彩色复印机的光源装置包括分别具有不同效率的多个光源灯，以及用于根据各蓝色的光能照射所述多个光源灯中的任何数量的光源灯或灯的装置，绿色和红色光谱和/或感光构件对于所述各个光谱的光谱灵敏度。

10. 发明授权

US06215968B1 Image forming apparatus with half-tone density control 有权
标题翻译：具有半色调密度控制的图像形成装置
公开(公告)号：US06215968B1
公开(公告)日：2001-04-10
申请号：US09545721
申请日：2000-04-07
申请人： Makoto Uehara , Toshihiro Ohta , Yasutaka Maeda , Takashi Kitagawa , Katsuhiro Nagayama , Shouji Tomita , Kaori Dakeshita , Daisaku Imaizumi
发明人： Makoto Uehara , Toshihiro Ohta , Yasutaka Maeda , Takashi Kitagawa , Katsuhiro Nagayama , Shouji Tomita , Kaori Dakeshita , Daisaku Imaizumi
IPC分类号： G03G1500
CPC分类号： H04N1/4078
摘要： A high density detecting toner pattern is formed on a photosensitive body and a high density correction is effected by comparing a value detected by a reflection sensor with a high density reference value so as to maintain an image density at a specific level. An image density correcting section adopts a result of the preceding high density correction as the high density reference value, and compares the same with a result of a current high density correction. The image density correcting section effects the half-tone density correction only when a difference reaches or exceeds a preset difference reference value by forming a half-tone density detecting toner pattern on the photosensitive body and comparing a value detected by the reflection sensor with a half-tone reference value. Consequently, it has become possible to provide an image forming apparatus which can maintain a density output of an entire image at a specific level for any kind of images including solid, line, and half-tone, etc. while shortening a time required for the density correction and reducing a quantity of toner consumed for the density correction.
摘要翻译：在感光体上形成高密度检测调色剂图案，并且通过将由反射传感器检测的值与高密度参考值进行比较来实现高密度校正，以将图像浓度保持在特定水平。图像浓度校正部分采用先前的高浓度校正的结果作为高密度参考值，并将其与当前高密度校正的结果进行比较。图像浓度校正部仅通过在感光体上形成半色调浓度检测调色剂图案而将差分达到或超过预设差值基准值来实现半色调浓度校正，并将反射传感器检测到的值与半参考值。因此，可以提供一种图像形成装置，其可以将包括实线，线条和半色调等的任何种类的图像的整个图像的浓度输出保持在特定的水平，同时缩短所需的时间密度校正和减少密度校正所消耗的调色剂量。

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