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1. 发明申请

US20060110176A1 Image forming apparatus and control method thereof 失效
标题翻译：图像形成装置及其控制方法
公开(公告)号：US20060110176A1
公开(公告)日：2006-05-25
申请号：US11281094
申请日：2005-11-17
申请人： Nobuo Sekiguchi , Hirokazu Kodama
发明人： Nobuo Sekiguchi , Hirokazu Kodama
IPC分类号： G03G15/08
CPC分类号： G03G15/0121 , G03G15/0131 , G03G15/5058 , G03G2215/00059 , G03G2215/00063 , G03G2215/0119
摘要： An image forming apparatus performing development using light toner of a first color and dark toner of the first color includes a control unit configured to control tone in order to set gradation characteristics of an image developed with the light toner; a determination unit configured to determine whether the gradation characteristics of the light toner image are in a desirable state as a result of the tone control by the control unit; and a shift unit configured to shift an area where mixture of the light toner with the dark toner is started, the area corresponding to the desirable state, responsive to the determination unit determining that the gradation characteristics of the light toner image are not in the desirable state.
摘要翻译：使用第一颜色的第一颜色和深色调色剂的调色剂进行显影的图像形成设备包括：控制单元，被配置为控制色调，以设置由所述光调色剂显影的图像的灰度特性; 确定单元，被配置为作为所述控制单元的音调控制的结果，确定所述调色剂图像的灰度特性是否处于期望状态; 以及移动单元，其被配置为响应于所述确定单元确定所述光调色剂图像的灰度特性不是期望的，来移动所述光调色剂与所述暗调色剂的混合的区域，所述区域对应于期望状态; 州。

2. 发明申请

US20050237374A1 Image forming apparatus 有权
公开(公告)号：US20050237374A1
公开(公告)日：2005-10-27
申请号：US11148650
申请日：2005-06-09
申请人： Tatsuhito Kataoka , Hirokazu Kodama
发明人： Tatsuhito Kataoka , Hirokazu Kodama
IPC分类号： B41J2/525 , G03G15/00 , G03G15/01 , G03G15/04 , G03G21/14 , H04N1/047 , H04N1/29 , H04N1/50 , B41J2/435 , B41J2/47
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , G03G2215/0161 , H04N1/047 , H04N2201/0082 , H04N2201/02425 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04732 , H04N2201/04751 , H04N2201/04786 , H04N2201/04789 , H04N2201/04791 , H04N2201/04793
摘要： An image forming apparatus includes a plurality of image forming stations each having an image carrier and forming an image on the image carrier; a mark detecting unit for detecting a plurality of registration correction marks formed on a recording medium by the plurality of image forming stations; a correction mechanism for correcting a position difference between images formed by the plurality of image forming stations in accordance with a detection result by the mark detecting unit; and a controller for independently controlling an image forming operation of each of the plurality of the image forming stations so that the image density of each of the registration correction marks formed by the plurality of image forming units has a different predetermined image density.

3. 发明授权

US6128106A Sheet conveying apparatus 失效
标题翻译：纸张输送装置
公开(公告)号：US6128106A
公开(公告)日：2000-10-03
申请号：US590437
申请日：1996-01-23
申请人： Masao Watanabe , Shizuo Hasegawa , Masatoshi Yaginuma , Hirokazu Kodama
发明人： Masao Watanabe , Shizuo Hasegawa , Masatoshi Yaginuma , Hirokazu Kodama
IPC分类号： B41J11/00 , B41J11/42 , B65H5/06 , B65H43/00 , G03B27/46 , G03G15/00 , H04N1/00 , H04N1/04 , H04N1/047 , H04N1/12 , H04N1/193
CPC分类号： H04N1/0473 , H04N1/12 , H04N1/193 , H04N2201/04703 , H04N2201/04756
摘要： A sheet conveying apparatus which can correct a conveying velocity of a sheet is constructed by, a conveying unit to convey the sheet, a reader such as a CCD linear sensor for reading a fringe pattern formed on a pattern sheet while the pattern sheet is conveyed by the conveying unit, a detector to detect a conveying velocity of the pattern sheet on the basis of the pattern read by the reader, and a controller to control a conveying velocity of the conveying unit on the basis of the conveying velocity detected by the detector.
摘要翻译：能够校正纸张的输送速度的纸张输送装置由输送单元输送纸张，读取器如CCD线性传感器构成，读取器形成在图案纸上的条纹图案，同时图案纸被传送输送单元，基于由读取器读取的图案来检测图案片的输送速度的检测器，以及基于由检测器检测到的输送速度来控制输送单元的输送速度的控制器。

4. 发明授权

US6059285A Sheet conveying apparatus 失效
标题翻译：纸张输送装置
公开(公告)号：US6059285A
公开(公告)日：2000-05-09
申请号：US991856
申请日：1997-12-16
申请人： Takeshi Suga , Masao Watanabe , Akihito Mori , Hirokazu Kodama
发明人： Takeshi Suga , Masao Watanabe , Akihito Mori , Hirokazu Kodama
IPC分类号： H04N1/00 , H04N1/12 , H04N1/193 , B65H7/02
CPC分类号： B65H9/002 , B65H9/006 , H04N1/00681 , H04N1/00713 , H04N1/00718 , H04N1/00734 , H04N1/00745 , H04N1/00755 , H04N1/00785 , H04N1/00795 , B65H2301/3613 , B65H2403/41 , B65H2404/1424 , B65H2404/1442 , B65H2404/6111 , B65H2511/11 , B65H2801/06 , H04N1/12 , H04N1/193
摘要： The present invention provides a sheet conveying apparatus, and an image reading apparatus and an image forming apparatus having such a sheet conveying apparatus, in which skew correction of a sheet can be effected with high accuracy. A sheet convey means is provided at an upstream side of a skew correction means for correcting skew-feed of a sheet, and the sheet convey means is shifted by a shift means in a direction substantially perpendicular to the sheet conveying direction. A control means drives the shift means to shift the sheet convey means pinching the sheet to be skew-corrected by the skew correction means by a distance corresponding to a sheet skew amount on the basis of sheet skew amount information from a sheet skew amount detection means for detecting a skew amount of the sheet, thereby shifting the sheet in a skew correction direction.
摘要翻译：本发明提供了一种片材输送装置，以及具有这种片材输送装置的图像读取装置和图像形成装置，其中可以高精度地进行片材的歪斜校正。片材传送装置设置在歪斜校正装置的上游侧，用于校正片材的偏斜进给，并且片材传送装置在基本上垂直于片材传送方向的方向上被移位装置移动。控制装置驱动移位装置，以便基于来自纸张歪斜量检测装置的纸张歪斜量信息，使纸张输送装置夹紧纸张以由歪斜校正装置偏斜校正一个与纸张歪斜量对应的距离用于检测片材的歪斜量，从而沿歪斜校正方向移动片材。

5. 发明授权

US5913015A Image forming system including sorter unit 失效
公开(公告)号：US5913015A
公开(公告)日：1999-06-15
申请号：US916371
申请日：1997-08-22
申请人： Masao Watanabe , Shizuo Hasegawa , Masatoshi Yaginuma , Katsunari Suzuki , Hirokazu Kodama
发明人： Masao Watanabe , Shizuo Hasegawa , Masatoshi Yaginuma , Katsunari Suzuki , Hirokazu Kodama
IPC分类号： B41J13/10 , B65H33/08 , B65H39/10 , G06K15/16 , H04N1/00 , G06K15/00
CPC分类号： H04N1/00633 , B41J13/106 , B65H33/08 , B65H39/10 , G06K15/16 , H04N1/00567 , H04N1/00641 , H04N1/00663 , H04N1/32507 , B65H2511/30 , B65H2511/412 , B65H2511/414 , B65H2511/415 , B65H2511/51 , B65H2511/515 , B65H2551/13 , B65H2557/12 , G03G2215/00907 , H04N1/00204 , H04N2201/0082
摘要： An object of the present invention is to improve an efficiency in using bins in a sorter of an image forming system, to which a plurality of personal computers are connected. If the number of the receptacles appointed in accordance with the receptacle appointment command or the number of sets of sheets to be sorted is larger than the number of empty receptacles, offset sorting is performed in which the position, at which the recording sheets are received, is shifted in the same receptacle. If the appointed number of the receptacles or the number of sets of sheets to be sorted is smaller than the number of empty receptacles, a normal sorting process is performed in such a manner that the bins are allotted in accordance with the position of the bins appointed with the command for appointing receptacles or the number of sets of sheets to be sorted.

6. 发明授权

US08346142B2 Image forming apparatus configured to eject air toward a gap between the top end of a sheet having passed through a nip portion and the circumference of a fixing rotating member of the nip portion 有权
标题翻译：图像形成装置，被配置为朝向通过夹持部的片材的顶端与夹持部的定影旋转部件的周缘之间的间隙喷射空气
公开(公告)号：US08346142B2
公开(公告)日：2013-01-01
申请号：US12778450
申请日：2010-05-12
申请人： Hirokazu Kodama
发明人： Hirokazu Kodama
IPC分类号： G03G15/20
CPC分类号： G03G21/206 , G03G15/2028 , G03G15/2039
摘要： An image forming apparatus includes an air ejecting portion that ejects air toward a gap between the top end of a sheet having passed through a nip of the heating roller and a pressure roller, and the circumference of the heating roller. The air ejecting portion includes a plurality of air nozzles and a plurality of electromagnetic valves being respectively connected thereto and ejects air selectively from a plurality of air ejection positions arranged in the width direction perpendicular to the sheet conveying direction.
摘要翻译：图像形成装置包括：空气喷射部，其朝向已经通过加热辊的辊隙的片材的顶端与加压辊之间的间隙和加热辊的周边排出空气。空气喷射部分包括多个空气喷嘴和多个电磁阀，分别连接到其上并从与纸张传送方向垂直的宽度方向上布置的多个空气喷射位置选择性地喷出空气。

7. 发明申请

US20110280633A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20110280633A1
公开(公告)日：2011-11-17
申请号：US13107801
申请日：2011-05-13
申请人： Koichiro Ino , Hirokazu Kodama , Mitsuhiro Sugeta , Takahiro Oonuma
发明人： Koichiro Ino , Hirokazu Kodama , Mitsuhiro Sugeta , Takahiro Oonuma
IPC分类号： G03G15/01
CPC分类号： G03G15/161 , G03G15/0131 , G03G15/0194 , G03G15/50 , G03G2215/0161
摘要： A color image forming apparatus configured to form a combination toner pattern including a second toner image formed downstream in a conveying direction of an intermediate transfer belt on a first toner image and a third toner image formed upstream in the conveying direction of the intermediate transfer belt on the first toner image so that the second and the third toner images cover at least a portion of the first toner image.
摘要翻译：一种彩色图像形成装置，被配置为形成组合调色剂图案，其包括在第一调色剂图像上的中间转印带的输送方向下游形成的第二调色剂图像和在中间转印带的输送方向上游形成的第三调色剂图像，第一调色剂图像使得第二和第三调色剂图像覆盖第一调色剂图像的至少一部分。

8. 发明申请

US20080089702A1 IMAGE FORMING APPARATUS 失效
标题翻译：图像形成装置
公开(公告)号：US20080089702A1
公开(公告)日：2008-04-17
申请号：US11871630
申请日：2007-10-12
申请人： Satoru Takezawa , Jun Nakazato , Hirokazu Kodama
发明人： Satoru Takezawa , Jun Nakazato , Hirokazu Kodama
IPC分类号： G03G15/04
CPC分类号： G03G15/0194 , G03G2215/0161
摘要： An image forming apparatus includes a pattern forming unit which forms a light amount adjustment pattern on an image carrier belt, a light amount control unit which controls the amount of light irradiating the image carrier belt and pattern, a detection sensor which detects reflected light amounts from the image carrier belt and pattern with respect to the irradiating light amount and stores the detection results in a storage unit, a calculation unit which calculates the correspondence between the irradiating light amount and the reflected light amounts from the image carrier belt and pattern on the basis of the detection results and stores the calculation results in the storage unit, and a light amount decision unit which decides, on the basis of the calculation results, a light amount at which the difference between the reflected light amounts from the image carrier belt and pattern exhibits a value set in advance.
摘要翻译：图像形成装置包括在图像载体带上形成光量调节图案的图案形成单元，控制照射图像载体带和图案的光量的光量控制单元，检测来自相对于照射光量的图像传送带和图案，并将检测结果存储在存储单元中;计算单元，其基于图像传送带和图案计算照射光量和反射光量之间的对应关系并将计算结果存储在存储单元中，以及光量决定单元，其基于计算结果确定来自图像传送带和图案的反射光量之间的差异的光量提前设定一个值。

9. 发明授权

US07298502B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US07298502B2
公开(公告)日：2007-11-20
申请号：US11148650
申请日：2005-06-09
申请人： Tatsuhito Kataoka , Hirokazu Kodama
发明人： Tatsuhito Kataoka , Hirokazu Kodama
IPC分类号： G06F15/00
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , G03G2215/0161 , H04N1/047 , H04N2201/0082 , H04N2201/02425 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04732 , H04N2201/04751 , H04N2201/04786 , H04N2201/04789 , H04N2201/04791 , H04N2201/04793
摘要： An image forming apparatus includes a plurality of image forming stations each having an image carrier and forming an image on the image carrier; a mark detecting unit for detecting a plurality of registration correction marks formed on a recording medium by the plurality of image forming stations; a correction mechanism for correcting a position difference between images formed by the plurality of image forming stations in accordance with a detection result by the mark detecting unit; and a controller for independently controlling an image forming operation of each of the plurality of the image forming stations so that the image density of each of the registration correction marks formed by the plurality of image forming units has a different predetermined image density.
摘要翻译：图像形成装置包括多个图像形成站，每个图像形成站具有图像载体并在图像载体上形成图像; 标记检测单元，用于检测由多个图像形成站形成在记录介质上的多个对准校正标记; 校正机构，用于根据标记检测单元的检测结果来校正由多个图像形成站形成的图像之间的位置差异; 以及控制器，用于独立地控制多个图像形成站中的每个图像形成站的图像形成操作，使得由多个图像形成单元形成的每个登记校正标记的图像浓度具有不同的预定图像浓度。

10. 发明授权

US07283778B1 Image forming apparatus with heating member control based on door opening state and heating member position 有权
标题翻译：图像形成装置，具有基于开门状态和加热构件位置的加热构件控制
公开(公告)号：US07283778B1
公开(公告)日：2007-10-16
申请号：US11768465
申请日：2007-06-26
申请人： Hirokazu Kodama
发明人： Hirokazu Kodama
IPC分类号： G03G15/20
CPC分类号： G03G21/1685 , G03G15/2032 , G03G21/1652 , G03G2221/1639 , G03G2221/166
摘要： An image forming apparatus has a fixing unit for heat fixing an unfixed image formed on a recording material at a nip, with the fixing unit having a rotary fixing member disposed for contacting with the recording material; a heating member for externally heating the rotary fixing member; and a control for stopping revolution of the rotary fixing member in association with a door opening in the image forming apparatus, wherein the heating unit is controlled in association with the door opening and the contact state of the heating member and fixing member.
摘要翻译：图像形成装置具有定影单元，用于将形成在记录材料上的未定影图像热定影在辊隙处，定影单元具有设置成与记录材料接触的旋转固定构件; 用于对所述旋转固定构件进行外部加热的加热构件; 以及用于在图像形成装置中与门开口相关联地停止旋转固定构件的旋转的控制，其中加热单元与门开口和加热构件和固定构件的接触状态相关联地被控制。

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