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21. 发明申请

US20060127109A1 Image forming apparatus, toner density control method, toner density control program and storage medium for storing the program 有权
标题翻译：图像形成装置，调色剂浓度控制方法，调色剂浓度控制程序和用于存储程序的存储介质
公开(公告)号：US20060127109A1
公开(公告)日：2006-06-15
申请号：US11299262
申请日：2005-12-07
申请人： Motoyuki Itoyama , Hiroshi Ishii
发明人： Motoyuki Itoyama , Hiroshi Ishii
IPC分类号： G03G15/08
CPC分类号： G03G15/0849 , G03G15/0853
摘要： An amount of toner consumption accompanying development of an image corresponding to the image data is calculated based on image data, and a corrected consumption amount is calculated by multiplying the calculated amount of toner consumption by a predetermined correction ratio that is less than 1. Further, toner is supplied based on the calculated corrected consumption amount. As a result, it is possible to prevent excessive supply of toner, and to supply toner without time delay.
摘要翻译：基于图像数据计算与图像数据相对应的图像的显影量的调色剂消耗量，并且通过将计算的调色剂消耗量乘以小于1的预定校正比来计算校正消耗量。此外，基于计算的校正消耗量供应调色剂。结果，可以防止过量的调色剂供应，并且不会延迟地供给调色剂。

22. 发明授权

US06488353B1 Image forming apparatus diagnosing print head and optical system conditions based on printed test pattern 有权
标题翻译：基于印刷测试图案诊断打印头和光学系统条件的图像形成设备
公开(公告)号：US06488353B1
公开(公告)日：2002-12-03
申请号：US09584313
申请日：2000-05-31
申请人： Motoyuki Itoyama , Michiyuki Suzuki , Yoshio Mizuyama
发明人： Motoyuki Itoyama , Michiyuki Suzuki , Yoshio Mizuyama
IPC分类号： B41J29393
CPC分类号： B41J2/0451 , B41J2/04586 , B41J29/393
摘要： An image forming apparatus which can detect a defect in a nozzle and an optical system, and inform an execution of maintenance. The apparatus comprises a scanner which reads an image; a print head which prints an image; a test pattern image data ROM stored a test pattern; and an image processing unit which diagnoses a defect in the print head and the scanner by processing data of the test pattern which is read by the scanner.
摘要翻译：一种图像形成装置，其能够检测喷嘴和光学系统中的缺陷，并通知维护的执行。该装置包括读取图像的扫描仪; 打印头的打印头; 测试图案图像数据ROM存储测试图案; 以及图像处理单元，其通过处理由扫描仪读取的测试图案的数据来诊断打印头和扫描仪中的缺陷。

23. 发明授权

US08233811B2 Image stabilizing apparatus and image forming apparatus 有权
标题翻译：图像稳定装置和图像形成装置
公开(公告)号：US08233811B2
公开(公告)日：2012-07-31
申请号：US12254269
申请日：2008-10-20
申请人： Motoyuki Itoyama , Syouichi Fujita , Mitsuhiro Murata , Toshiaki Fujisawa , Masaya Fujitani
发明人： Motoyuki Itoyama , Syouichi Fujita , Mitsuhiro Murata , Toshiaki Fujisawa , Masaya Fujitani
IPC分类号： G03G15/08
CPC分类号： G03G15/0853
摘要： There is provided an image stabilizing apparatus which is capable of keeping a toner concentration and a printing density constant when toner consumption is small, and further which is systematically simple. The image stabilizing apparatus comprises a control portion for controlling a toner replenishment amount in a toner replenishing apparatus depending on a toner concentration detected by a toner concentration sensor and a print coverage of a document detected by a print coverage detecting portion, and controlling, when the print coverage of the document detected by the print coverage detecting portion is less than a predetermined value and such documents continue, so as to discharge a predetermined amount of toner to the image bearing member by developing forcibly, and then replenish the same amount of toner as the predetermined amount by the toner replenishing apparatus.
摘要翻译：提供了一种图像稳定装置，其能够在调色剂消耗量小时保持调色剂浓度和印刷密度恒定，并且进一步系统地简单。图像稳定装置包括控制部分，用于根据由调色剂浓度传感器检测的调色剂浓度和由打印覆盖检测部分检测到的原稿的打印覆盖率来控制调色剂补充装置中的调色剂补充量，并且当由打印覆盖检测部分检测到的文档的打印覆盖率小于预定值，并且继续这样的文档，以便通过强制显影将预定量的调色剂排出到图像承载部件，然后补充相同量的调色剂调色剂补充装置的预定量。

24. 发明申请

US20110222872A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20110222872A1
公开(公告)日：2011-09-15
申请号：US13039798
申请日：2011-03-03
申请人： Tomoki Minamikawa , Motoyuki Itoyama , Hideji Saikoh , Kazuma Hinoue
发明人： Tomoki Minamikawa , Motoyuki Itoyama , Hideji Saikoh , Kazuma Hinoue
IPC分类号： G03G15/08
CPC分类号： G03G15/0856 , G03G15/0853 , G03G15/0893
摘要： An image forming apparatus includes: a developing device; a toner supply device that supplies toner to the developing device; and a toner supply detecting sensor that detects whether toner is supplied into the developing device; and a toner empty determination controller for determining that the toner inside the toner supply device is used up. Toner empty determination controller, based on the output result from the toner supply detecting sensor, modifies the toner empty determining threshold, based on which toner empty is determined.
摘要翻译：一种图像形成装置包括：显影装置; 调色剂供应装置，其向显影装置供应调色剂; 以及调色剂供给检测传感器，其检测是否向所述显影装置供应调色剂; 以及用于确定调色剂供应装置内的调色剂用完的调色剂空白判定控制器。调色剂空判定控制器基于调色剂供应检测传感器的输出结果，根据确定了哪个调色剂空白来修改调色剂空确定阈值。

25. 发明授权

US07450867B2 Image forming apparatus, toner density control method, toner density control program and storage medium for storing the program 有权
标题翻译：图像形成装置，调色剂浓度控制方法，调色剂浓度控制程序和用于存储程序的存储介质
公开(公告)号：US07450867B2
公开(公告)日：2008-11-11
申请号：US11299262
申请日：2005-12-07
申请人： Motoyuki Itoyama , Hiroshi Ishii
发明人： Motoyuki Itoyama , Hiroshi Ishii
IPC分类号： G03G15/08
CPC分类号： G03G15/0849 , G03G15/0853
摘要： An amount of toner consumption accompanying development of an image corresponding to the image data is calculated based on image data, and a corrected consumption amount is calculated by multiplying the calculated amount of toner consumption by a predetermined correction ratio that is less than 1. Further, toner is supplied based on the calculated corrected consumption amount. As a result, it is possible to prevent excessive supply of toner, and to supply toner without time delay.
摘要翻译：基于图像数据计算与图像数据相对应的图像的显影量的调色剂消耗量，并且通过将计算的调色剂消耗量乘以小于1的预定校正比来计算校正的消耗量。此外，基于计算的校正消耗量供应调色剂。结果，可以防止过量的调色剂供应，并且不会延迟地供给调色剂。

26. 发明申请

US20060152775A1 Image forming method and image forming device 有权
公开(公告)号：US20060152775A1
公开(公告)日：2006-07-13
申请号：US10547338
申请日：2004-03-02
申请人： Motoyuki Itoyama , Syouichi Fujita , Hirofumi Sakita , Shuichi Morikuni
发明人： Motoyuki Itoyama , Syouichi Fujita , Hirofumi Sakita , Shuichi Morikuni
IPC分类号： H04N1/46
CPC分类号： G03G15/065 , G03G2215/00037
摘要： A reference developing image is formed on a photoreceptor drum under an image forming condition measured in advance, and the density of this reference developing image is detected. A development bias voltage is corrected based on the detection result, and when a correction value of the development bias voltage exceeds a predetermined range, a reference output voltage of an ATC sensor for detecting the density of toner in a developing device is corrected based on the detected value of humidity around the developing device, the frequency of use of the apparatus, and the agitation stress of developer.

27. 发明授权

US5826136A Image stabilizing method for use in an image forming apparatus 失效
标题翻译：用于图像形成装置的图像稳定方法
公开(公告)号：US5826136A
公开(公告)日：1998-10-20
申请号：US821933
申请日：1997-03-21
申请人： Hideji Saiko , Motoyuki Itoyama , Jitsuo Masuda , Toshihisa Ishida , Katsuhiro Nagayama , Hiroo Naoi , Masayasu Narimatsu , Tomoko Nishino
发明人： Hideji Saiko , Motoyuki Itoyama , Jitsuo Masuda , Toshihisa Ishida , Katsuhiro Nagayama , Hiroo Naoi , Masayasu Narimatsu , Tomoko Nishino
IPC分类号： G03G15/02 , G03G15/00 , G03G15/08
CPC分类号： G03G15/0849 , G03G15/5041 , G03G2215/00042
摘要： CPU is designed to create toner patches on the surface of the photoreceptor drum and pick up the detected data of the density of the toner patches by a photosensor. CPU calculates a correcting value .DELTA.Vg of the charger output in accordance with the picked up detected data, and compared the corrected charger output Vg with (Vgs+.alpha.) and (Vgs-.alpha.). If the corrections in the same direction are repeated in a row, k.beta. (where 0
摘要翻译： CPU被设计成在感光鼓的表面上产生调色剂贴片，并通过光电传感器拾取检测到的调色剂贴片密度的数据。 CPU根据拾取的检测数据计算充电器输出的校正值DELTA Vg，并将校正的充电器输出Vg与（Vgs +α）和（Vgs-α）进行比较。如果连续重复相同方向的校正，则将kβ（其中0

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