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1. 发明授权

US5963240A Deflecting mirror adjusting device for an image forming apparatus 失效
标题翻译：用于图像形成装置的偏转镜调节装置
公开(公告)号：US5963240A
公开(公告)日：1999-10-05
申请号：US794588
申请日：1997-02-03
申请人： Tadashi Shinohara , Nobuo Iwata , Mitsugu Sugiyama , Toshiya Sato , Yutaka Shio , Tomonori Yabuta
发明人： Tadashi Shinohara , Nobuo Iwata , Mitsugu Sugiyama , Toshiya Sato , Yutaka Shio , Tomonori Yabuta
IPC分类号： B41J2/47 , G02B26/12 , G03G15/01 , B41J2/385 , G01D15/14
CPC分类号： G03G15/011 , B41J2/471 , G02B26/12 , G03G2215/0109
摘要： A device for adjusting the position of a deflecting mirror included in an image forming apparatus, particularly one including a plurality of photoconductive elements, is disclosed. The device includes eccentric cams rotatable to adjust the position of the deflecting mirror.
摘要翻译：公开了一种用于调整包括在图像形成装置中的偏转镜的位置的装置，特别是包括多个光电导元件的装置。该装置包括可旋转以调节偏转镜的位置的偏心凸轮。

2. 发明授权

US5962783A Apparatus for detecting rotational speed 失效
标题翻译：用于检测转速的装置
公开(公告)号：US5962783A
公开(公告)日：1999-10-05
申请号：US892655
申请日：1997-07-15
申请人： Nobuo Iwata , Mitsugu Sugiyama , Toshiya Sato , Tadashi Shinohara , Yutaka Shio , Tomonori Yabuta
发明人： Nobuo Iwata , Mitsugu Sugiyama , Toshiya Sato , Tadashi Shinohara , Yutaka Shio , Tomonori Yabuta
IPC分类号： G01P3/486 , G01P3/40 , G03G15/00 , G03G21/00 , G03G21/14 , G01P15/00
CPC分类号： G01P3/40
摘要： An apparatus for a rotational speed detecting includes a rotating disc having plural slits in a circumferential direction. A radiant element radiates light rays through the slits. A photodetector receives the rays radiated by the radiant element. Peak detectors detects peak points of the detected signal and a calculator calculates a rotational speed. The photodetector include two photodetectors separated by a distance .DELTA.L.
摘要翻译：一种用于转速检测的装置包括在圆周方向上具有多个狭缝的旋转盘。辐射元件通过狭缝辐射光线。光电检测器接收由辐射元件辐射的光线。峰值检测器检测检测信号的峰值点，计算器计算转速。光电探测器包括两个分开距离DELTA L的光电检测器

3. 发明授权

US6128459A Color image forming apparatus and method of obtaining color images with decreased image positional deviation 失效
标题翻译：彩色图像形成装置和获得具有减小的图像位置偏差的彩色图像的方法
公开(公告)号：US6128459A
公开(公告)日：2000-10-03
申请号：US972413
申请日：1997-11-18
申请人： Nobuo Iwata , Mitsugu Sugiyama , Toshiya Satoh , Tadashi Shinohara , Yutaka Shio , Tomonori Yabuta
发明人： Nobuo Iwata , Mitsugu Sugiyama , Toshiya Satoh , Tadashi Shinohara , Yutaka Shio , Tomonori Yabuta
IPC分类号： G03G15/01
CPC分类号： G03G15/0194 , G03G2215/0119 , G03G2215/0141 , G03G2215/0161
摘要： An apparatus and method of forming a color image on a recording sheet by transferring respective images onto a single recording sheet conveyed by a conveying belt, where the combination of the respective images form the color image. The respective color images are formed with a plurality of electrophotographic processing sections disposed along the conveying belt such that the respective color images are superimposed on one another to make the color image. The electrophotographic processing sections also form more than two colors, of a same pattern, of image positional deviation detecting marks. The image positional deviation detecting marks include a line in a main scanning direction and another line positioned at an incline with respect to the former line in order on the conveying belt. A detector is included that detects the image positional deviation detecting mark with a single detecting device composed of a light source, a slit, and a light accepting element.
摘要翻译：通过将各图像转印到由传送带传送的单个记录纸上，其中各个图像的组合形成彩色图像，在记录纸上形成彩色图像的装置和方法。各个彩色图像形成有沿着输送带布置的多个电子照相处理部分，使得各个彩色图像彼此叠加以制成彩色图像。电子照相处理部分还形成图像位置偏差检测标记的相同图案的两种以上的颜色。图像位置偏差检测标记包括在主扫描方向上的线和在输送带上依次位于相对于前一行倾斜的另一条线。包括利用由光源，狭缝和受光元件组成的单个检测装置来检测图像位置偏差检测标记的检测器。

4. 发明授权

US06282396B1 Color image forming apparatus and method of obtaining color images with decreased image positional deviation 有权
标题翻译：彩色图像形成装置和获得具有减小的图像位置偏差的彩色图像的方法
公开(公告)号：US06282396B1
公开(公告)日：2001-08-28
申请号：US09617243
申请日：2000-07-14
申请人： Nobuo Iwata , Mitsugu Sugiyama , Toshiya Satoh , Tadashi Shinohara , Yutaka Shio , Tomonori Yabuta
发明人： Nobuo Iwata , Mitsugu Sugiyama , Toshiya Satoh , Tadashi Shinohara , Yutaka Shio , Tomonori Yabuta
IPC分类号： G03G1501
CPC分类号： G03G15/0194 , G03G2215/0119 , G03G2215/0141 , G03G2215/0161
摘要： An apparatus and method of forming a color image on a recording sheet by transferring respective images onto a single recording sheet conveyed by a conveying belt, where the combination of the respective images form the color image. The respective color images are formed with a plurality of electrophotographic processing sections disposed along the conveying belt such that the respective color images are superimposed on one another to make the color image. The electrophotographic processing sections also form more than two colors, of a same pattern, of image positional deviation detecting marks. The image positional deviation detecting marks include a line in a main scanning direction and another line positioned at an incline with respect to the former line in order on the conveying belt. A detector is included that detects the image positional deviation detecting mark with a single detecting device composed of a light source, a slit, and a light accepting element.
摘要翻译：通过将各图像转印到由传送带传送的单个记录纸上，其中各个图像的组合形成彩色图像，在记录纸上形成彩色图像的装置和方法。各个彩色图像形成有沿着输送带布置的多个电子照相处理部分，使得各个彩色图像彼此叠加以制成彩色图像。电子照相处理部分还形成图像位置偏差检测标记的相同图案的两种以上的颜色。图像位置偏差检测标记包括在主扫描方向上的线和在输送带上依次位于相对于前一行倾斜的另一条线。包括利用由光源，狭缝和受光元件组成的单个检测装置来检测图像位置偏差检测标记的检测器。

5. 发明授权

US5828926A Registration control for an image forming apparatus having an intermediate transfer belt 失效
标题翻译：具有中间转印带的图像形成装置的配准控制
公开(公告)号：US5828926A
公开(公告)日：1998-10-27
申请号：US699035
申请日：1996-08-19
申请人： Nobuo Iwata , Shingo Katou , Yutaka Shio , Tomonori Yabuta
发明人： Nobuo Iwata , Shingo Katou , Yutaka Shio , Tomonori Yabuta
IPC分类号： G03G15/01 , G03G21/00
CPC分类号： G03G15/0173 , G03G15/0121 , G03G2215/0177 , G03G2215/1661
摘要： A full-color image forming apparatus having a photo-conductive belt on which mono-color toner images are respectively formed, an intermediate transfer belt onto which the mono-color toner images are respectively transferred to form a full-color toner image, and a transfer member for transferring the full-color toner image onto a copy sheet. The intermediate transfer belt includes timing marks printed thereon which are detected by a sensor to generate an image forming start signal for each of the first mono-color toner image forming processes. The start signal is generated by a controller only when cleaning of the intermediate transfer belt has completed and the cleaning blade has left therefrom. A timer may be used to delay the starting of the first mono-color image forming process until the transfer belt returns to a normal operating speed after the cleaning blade is removed from the transfer belt.
摘要翻译：分别形成有单色调色剂图像的导电带的全色图像形成装置，分别转印有单色调色剂图像以形成全色调色剂图像的中间转印带，以及传送构件，用于将全色调色剂图像转印到复印纸上。中间转印带包括打印在其上的定时标记，其被传感器检测以产生用于每个第一单色调色剂图像形成处理的图像形成开始信号。仅当中间转印带的清洁已经完成并且清洁刮刀已经离开时，控制器才产生启动信号。可以使用定时器来延迟第一单色图像形成处理的开始，直到在从转印带移除清洁刮刀之后转印带返回正常操作速度。

6. 发明授权

US06184910B2 Color image forming apparatus with polygonal mirror rotation phase control 失效
标题翻译：具有多面镜旋转相位控制的彩色图像形成装置
公开(公告)号：US06184910B2
公开(公告)日：2001-02-06
申请号：US08418300
申请日：1995-04-07
申请人： Eiichi Sasaki , Tsuyoshi Deki , Nobuo Iwata , Takeshi Motohashi , Takahiro Tamiya , Yutaka Shio , Tomonori Yabuta
发明人： Eiichi Sasaki , Tsuyoshi Deki , Nobuo Iwata , Takeshi Motohashi , Takahiro Tamiya , Yutaka Shio , Tomonori Yabuta
IPC分类号： B41J2385
CPC分类号： G06K15/129 , B41J2/471 , G06K15/1219
摘要： A color image forming apparatus capable of superposing toner images of respective colors in accurate register by preventing an exposing position from being displaced in the subscanning direction. The rotation phase of a polygonal mirror is controlled on the basis of the mark detection timing of a mark sensor. Hence, the exposing position in the subscanning direction is prevented from being displaced without regard to irregularities in the circumferential length and feed speed of an intermediate image transfer belt.
摘要翻译：一种彩色图像形成装置，其能够通过防止曝光位置在副扫描方向上移位而将精度寄存器中的各种颜色的调色剂图像叠加。基于标记传感器的标记检测定时来控制多面镜的旋转相位。因此，不考虑中间图像转印带的周长和进给速度的不规则性，防止副扫描方向上的曝光位置被移位。

7. 发明授权

US5799228A Image forming apparatus which prevents adverse affects from heating elements 失效
标题翻译：图像形成装置，其防止加热元件的不利影响
公开(公告)号：US5799228A
公开(公告)日：1998-08-25
申请号：US661116
申请日：1996-06-10
申请人： Nobuo Iwata , Shingo Katoh , Yutaka Shio , Tomonori Yabuta
发明人： Nobuo Iwata , Shingo Katoh , Yutaka Shio , Tomonori Yabuta
IPC分类号： G03G15/01
CPC分类号： G03G15/0126 , G03G15/0121 , G03G15/0152 , G03G15/0173 , G03G2215/0177
摘要： An image forming apparatus includes a revolver type developer, and prevents toner stored within the revolver type developer from being adversely influenced by heat from a fixing unit. As one feature, the revolver developing unit is intermittently rotated when the image forming apparatus is in a stand-by state. As a further feature, the revolver developing unit is rotated at a very slow continuous speed when the image forming apparatus is in a stand-by state. As a further feature, the intermittent rotation and the slow continuous rotation of the revolver developing unit can be stopped if the temperature of the fixing unit falls below a predetermined value.
摘要翻译：图像形成装置包括旋转型显影剂，并且防止存储在旋转型显影剂内的调色剂不受来自定影单元的热的不利影响。作为一个特征，当图像形成装置处于待机状态时，左轮手枪显影单元间歇地旋转。作为另一个特征，当图像形成装置处于待机状态时，左轮手枪显影单元以非常慢的连续速度旋转。作为另一个特征，如果定影单元的温度低于预定值，则可以停止旋转显影单元的间歇旋转和慢速连续旋转。

8. 发明授权

US5678161A Paper conveyer of image forming apparatus which conveys paper to a fixing device 失效
标题翻译：用于将纸张传送到定影装置的成像设备的纸张输送机
公开(公告)号：US5678161A
公开(公告)日：1997-10-14
申请号：US595340
申请日：1996-02-01
申请人： Shigeo Kurotaka , Nobuo Iwata , Shingo Katou , Takeshi Motohashi , Tsuyoshi Deki , Takahiro Tamiya , Tomonori Yabuta
发明人： Shigeo Kurotaka , Nobuo Iwata , Shingo Katou , Takeshi Motohashi , Tsuyoshi Deki , Takahiro Tamiya , Tomonori Yabuta
IPC分类号： B65H29/52 , G03G15/00 , G03G15/16 , G03G15/20
CPC分类号： G03G15/657 , G03G15/2028
摘要： In a paper conveyer of an image forming apparatus, a transfer operation is performed by a transfer roller and an unfixed image in the transfer operation is carried onto the lower side of a transfer paper sheet. The transfer paper sheet is conveyed to a fixing device constructed by a fixing roller and a pressurizing roller. A hardness of the fixing roller is smaller than that of the pressurizing roller, while a nipping portion of the fixing and pressurizing rollers is formed in a concave shape. The fixing and pressurizing rollers are arranged such that a nipping inlet port point of the fixing and pressurizing rollers is located in the vicinity of a line of a conveying locus of a thin transfer paper sheet. A paper guide plate guides the transfer paper sheet to the nipping inlet port. In this construction, a transferred paper sheet is conveyed such that this transferred paper sheet is reliably fed into the nipping portion of the fixing device, and it is possible to prevent an image rub, wrinkles, a jam, etc. from being caused.
摘要翻译：在图像形成装置的纸输送机中，通过转印辊进行转印操作，并且转印操作中的未定影图像被承载在转印纸的下侧。转印纸被输送到由定影辊和加压辊构成的定影装置。定影辊的硬度小于加压辊的硬度，而固定和加压辊的夹持部分形成为凹形。固定和加压辊布置成使得固定和加压辊的夹入入口点位于薄转印纸的输送轨迹的线附近。导纸板将转印纸引导到夹持入口。在这种结构中，转印的纸张被输送，使得该转印的纸张被可靠地进给到定影装置的夹持部分中，并且可以防止产生图像摩擦，皱纹，果酱等。

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