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1. 发明专利

JP2014082679A Image reading device, image forming apparatus including the same, and calibration unit of the same 审中-公开
标题翻译：图像读取装置，包括其的图像形成装置及其校准单元
公开(公告)号：JP2014082679A
公开(公告)日：2014-05-08
申请号：JP2012230113
申请日：2012-10-17
申请人： Sharp Corp , シャープ株式会社
发明人： TOMITA MICHIO , NAKATANI HIROSHI , SAKAI RYOSUKE , ADACHI KENJI
IPC分类号： H04N1/04
摘要： PROBLEM TO BE SOLVED: To provide an image reading device capable of covering and opening a calibration reference member, and making the calibration reference member close to a reading unit when reading the calibration reference member.SOLUTION: An opening and closing operation of a shutter plate 97, and movement in a vertical direction of a holding unit 93 and a calibration reference member 78 are coordinated with each other. When the shutter plate 97 is closed, the holding unit 93 is moved downward; the calibration reference member 78 is positioned at a retreat position separated from a detection surface 72a of a spectrophotometric colorimeter 72; the detection surface 72a and holding unit 93, and calibration reference member 78 are arranged with a wide gap; and the shutter plate 97 is inserted into the gap. When the shutter plate 97 is opened, the holding unit 93 is moved upward; and the calibration reference member 78 is positioned at a reading position close to the detection surface 72a of the spectrophotometric colorimeter 72, so as to improve accuracy of reading the calibration reference member 78 by the spectrophotometric colorimeter 72.
摘要翻译：要解决的问题：提供一种能够覆盖和打开校准基准构件的图像读取装置，并且在读取校准基准构件时使校准基准构件靠近读取单元。解决方案：快门板的打开和关闭操作 97，并且保持单元93和校准基准构件78的垂直方向的移动彼此协调。当挡板97关闭时，保持单元93向下移动; 校准基准构件78位于与分光光度计色度计72的检测表面72a分离的退避位置处; 检测面72a和保持单元93以及校准基准构件78布置成宽间隙; 并且将快门板97插入到间隙中。当挡板97打开时，保持单元93向上移动; 并且校准基准部件78位于靠近分光光度计色度计72的检测面72a的读取位置，以提高通过分光光度计色度计72读取校准基准部件78的精度。

2. 发明专利

JP2014077992A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2014077992A
公开(公告)日：2014-05-01
申请号：JP2013172275
申请日：2013-08-22
申请人： Sharp Corp , シャープ株式会社
发明人： NAKATANI HIROSHI , TOMITA MICHIO , SAKAI RYOSUKE
IPC分类号： G03G21/14 , G03G15/01 , G03G21/00
CPC分类号： H04N1/00779 , G03G15/0131 , G03G15/50 , G03G15/6564 , G03G2215/0132 , H04N1/00602 , H04N1/00702 , H04N1/00785 , H04N1/46 , H04N2201/0094
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of setting a correction method of an image forming position on an image carrier as appropriate depending on which of a color image and a monochrome image is formed.SOLUTION: Any one of first to fourth correction modes can be selected and set so that convenience can be improved. In particular, in a first reading mode, CPM is not reduced for a color image, and CPM reduces for a monochrome image but the reduction of the CPM is no less than 70%, and accordingly, the reduction of the CPM in the monochrome image can be hardly recognized, and an image forming position in a main scanning direction of the monochrome image can be maintained with high accuracy.
摘要翻译：要解决的问题：提供一种图像形成装置，其能够根据彩色图像和单色图像中的哪一个来适当地设置图像载体上的图像形成位置的校正方法。解决方案：第一至第四可以选择和设置校正模式，从而可以提高方便性。特别地，在第一读取模式中，针对彩色图像不降低CPM，并且针对单色图像降低CPM，但是CPM的减小不小于70％，因此，单色图像中的CPM的减少可以难以识别，并且可以高精度地保持单色图像的主扫描方向上的图像形成位置。

3. 发明专利

JP2013144362A Coating device, coating control method, and image forming unit with coating device 审中-公开
标题翻译：涂层装置，涂层控制方法和具有涂层装置的图像形成单元
公开(公告)号：JP2013144362A
公开(公告)日：2013-07-25
申请号：JP2012004684
申请日：2012-01-13
申请人： Sharp Corp , シャープ株式会社
发明人： SAKAI RYOSUKE , TOMITA MICHIO , NAKATANI HIROSHI
IPC分类号： B41J29/00 , G03G7/00 , G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To perform coating treatment with an optimal glossiness at all times, without being affected by quality of various parts and paper types, etc.SOLUTION: A coating device includes a main control unit 250 for controlling a coating means forming a coat layer on paper, and also includes a sensor unit 240 comprising a light emitting element and a light receiving element disposed oppositely to a coating surface of the coat layer formed on the paper, wherein the sensor 240 is configured to receive a specularly reflected light from the coating surface of an irradiation light from the light emitting element by the light receiving element, and wherein the main control unit 240 controls the coating means based on a light receiving level of the specularly reflected light received by the light receiving element.
摘要翻译：要解决的问题：始终进行最佳光泽度的涂布处理，而不受各种部件和纸张类型等的质量的影响。涂布装置包括：主控制单元250，用于控制形成涂层的涂布装置并且还包括传感器单元240，其包括发光元件和与形成在纸张上的涂层的涂层表面相对设置的光接收元件，其中传感器240被配置为接收来自该纸张的镜面反射光通过光接收元件从发光元件涂覆照射光的表面，并且其中主控制单元240基于由光接收元件接收的镜面反射光的光接收电平来控制涂布装置。

4. 发明专利

JP2013020142A Method for adjusting registration of image forming apparatus, and image forming apparatus 有权
标题翻译：调整图像形成装置注册的方法和图像形成装置
公开(公告)号：JP2013020142A
公开(公告)日：2013-01-31
申请号：JP2011154129
申请日：2011-07-12
申请人： Sharp Corp , シャープ株式会社
发明人： OTOSHI TAKENORI , TOMITA MICHIO , SASHO KIYOSHI , KUMAGAI YUJI
IPC分类号： G03G21/14 , B41J2/44 , G03G15/01
CPC分类号： B41J2/525 , B41J2/473 , G03G15/04045 , G03G21/20 , G03G2215/0158 , H04N1/00015 , H04N1/00023 , H04N1/00031 , H04N1/00045 , H04N1/00055 , H04N1/00063 , H04N1/00068 , H04N1/00087 , H04N1/0009 , H04N1/1135 , H04N1/2346 , H04N1/506 , H04N2201/0094 , H04N2201/0471 , H04N2201/04722 , H04N2201/04729 , H04N2201/04732
摘要： PROBLEM TO BE SOLVED: To correct a color shift with high accuracy by correcting a registration adjustment value by referring not only a temperature near a polygon mirror of a LSU (light scanning unit) but to an ambient temperature inside an image forming apparatus.SOLUTION: In a registration step, the temperature near a polygon mirror 83 is detected with a first temperature sensor 85, while the ambient temperature inside an image forming apparatus 1 is detected with a second temperature sensor 86. A registration adjustment value of each color is obtained and stored in a memory 75. In a printing step, changes in the temperature near the polygon mirror 83 and changes in the ambient temperature inside the image forming apparatus from in the registration step are obtained; a registration adjustment value A of each color obtained in the registration step is corrected based on the above temperature changes; timing writing an electrostatic latent image on each photoreceptor drum 13 by a LSU 11 is controlled; and a position of an electrostatic latent image on each photoreceptor drum 13 is shifted by the corrected registration adjustment value.
摘要翻译：要解决的问题：通过不仅参照LSU（光扫描单元）的多面镜附近的温度，而且通过参照图像形成装置内的环境温度来校正配准调整值，来以高精度来校正色移。解决方案：在配准步骤中，用第一温度传感器85检测多面镜83附近的温度，同时用第二温度传感器86检测图像形成装置1内的环境温度。登记调整值获得每种颜色并将其存储在存储器75中。在印刷步骤中，获得在多面镜83附近的温度变化和图像形成装置内的环境温度从配准步骤的变化; 基于上述温度变化校正在配准步骤中获得的每种颜色的配准调整值A; 控制由LSU 11在每个感光鼓13上书写静电潜像的定时; 并且每个感光鼓13上的静电潜像的位置被移动了校正的对准调整值。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012242787A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012242787A
公开(公告)日：2012-12-10
申请号：JP2011115894
申请日：2011-05-24
申请人： Sharp Corp , シャープ株式会社
发明人： TOMITA MICHIO , KUMAGAI YUJI , OTOSHI TAKENORI
IPC分类号： G03G15/01 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of appropriately correcting displacement of a visible image of each color by correcting a resist adjustment value according to not only a temperature of an optical scanning device but also a working rate of an image forming process section.SOLUTION: A resist adjustment value A before a correction that is determined by a resist process is corrected based on the expression (1) using an internal temperature t1(°C) in the resist process and an internal temperature t2(°C) in a printing process to determine a resist adjustment value B. Further, the resist adjustment value B is corrected based on the expression (2) using a working rate (a) related to the resist process and a working rate b related to the printing process to determine a resist adjustment value C. This method can appropriately correct the displacement of a toner image of each color.
摘要翻译：要解决的问题：提供一种图像形成装置，其能够根据光学扫描装置的温度校正抗蚀剂调节值，而且可以适当地校正每种颜色的可见图像的位移，图像形成处理部分。解决方案：使用抗蚀剂工艺中的内部温度t1（℃）和内部温度t2（℃），基于表达式（1）校正由抗蚀剂处理确定的校正之前的抗蚀剂调节值A ）以确定抗蚀剂调节值B.此外，使用与抗蚀剂处理相关的加工速率（a）和与印刷有关的加工速度b，基于表达式（2）来校正抗蚀剂调节值B 处理以确定抗蚀剂调节值C.该方法可以适当地校正每种颜色的调色剂图像的位移。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2011064980A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011064980A
公开(公告)日：2011-03-31
申请号：JP2009216111
申请日：2009-09-17
申请人： Sharp Corp , シャープ株式会社
发明人： TOMITA MICHIO
IPC分类号： G03G15/01 , G03G15/00 , G03G15/04
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that easily eliminates displacement (inclination) of an optical member with a simple structure (mechanism) that requires no additional drive source.
SOLUTION: An optical scanning device 20 is accommodated in an optical scanning housing 200, and has a first fθ lens 207 for adjusting the diameter of a light beam BM reflected by a rotating polygon mirror 202 and for adjusting the optical path of the light beam BM, and a second fθ lens 209 for emitting a light beam BM from the first fθ lens 207 to a photoreceptor drum 32. One end of the second fθ lens 209 is positioned inside the optical scanning housing 200 by means of a plate spring 224 whereas the other end thereof is positioned inside the optical scanning housing 200 by means of a pressing member 234 or the like. A displacement adjustment portion 240 disposed at the other end includes a displacement adjustment member 241, position adjusting member 243, etc., and adjusts displacement of the second fθ lens 209.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以不需要额外的驱动源的简单结构（机构）消除光学部件的位移（倾斜）的图像形成装置。解决方案：光学扫描装置20容纳在光学扫描壳体200中，并且具有用于调节由旋转多面镜202反射的光束BM的直径的第一fθ透镜207，并且用于调整光学扫描装置20的光路光束BM和用于将光束BM从第一fθ透镜207发射到感光鼓32的第二fθ透镜209。第二fθ透镜209的一端通过板簧定位在光学扫描壳体200的内部而其另一端通过按压构件234等位于光学扫描壳体200的内部。设置在另一端的位移调节部240包括位移调节构件241，位置调整构件243等，并且调整第二fθ透镜209的位移。（C）2011年，JPO和INPIT

7. 发明专利

JP2010204301A Color image forming apparatus 有权
标题翻译：彩色图像形成装置
公开(公告)号：JP2010204301A
公开(公告)日：2010-09-16
申请号：JP2009048441
申请日：2009-03-02
申请人： Sharp Corp , シャープ株式会社
发明人： TOMITA MICHIO , ITO TETSUTSUGU , TAGUCHI NORIAKI , KIKUCHI YOSHIAKI , ISOMI KENICHI , MOCHIZUKI SHUICHI
IPC分类号： G03G15/01 , B41J2/525 , G03G15/00 , H04N1/23
摘要： PROBLEM TO BE SOLVED: To prevent a registration amount during registration adjustment from being over an adjustable range by temporarily adjusting magnification before the registration adjustment for an image of the color other than the reference color, so as to surely align a position of the image with a position of an image of the reference color.
SOLUTION: The color image forming apparatus 100 is provided with a controller 200 having a CPU 201. The CPU 201 decides a first adjusting value for adjusting the magnification so that size of the image agrees with predetermined size during first adjusting processing. The CPU 201 reads pattern images for registration adjustment 5015A to 5018A and 5015B to 5018B formed on an intermediate transfer belt 61 by being converted with the first adjusting value through sensors 206 and 207 during second adjusting processing. The CPU 201 decides a second adjusting value so that positions of the pattern images for registration adjustment 5015A to 5018A are aligned with each other, and positions of the pattern images for registration adjustment 5015B to 5018B are aligned with each other, in a main scanning direction X.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过在除了参考颜色之外的颜色的图像的对准调整之前临时调整放大率来防止登记调整期间的配准量超过可调整范围，以便可靠地对准位置该图像具有参考颜色的图像的位置。彩色图像形成装置100设置有具有CPU 201的控制器200.CPU 201决定用于调整放大率的第一调整值，使得在第一调整处理期间图像的尺寸与预定尺寸一致。 CPU 201通过在第二调整处理期间通过传感器206和207通过转换具有第一调整值的方式读取形成在中间转印带61上的配准调整5015A至5018A和5015B至5018B的图案图像。 CPU201决定第二调整值，使登录调整用图案图像5015A〜5018A的位置对准，对准调整图案图像5015B〜5018B的位置在主扫描方向上对齐版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2010169820A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010169820A
公开(公告)日：2010-08-05
申请号：JP2009011055
申请日：2009-01-21
申请人： Sharp Corp , シャープ株式会社
发明人： KIKUCHI YOSHIAKI , TOMITA MICHIO , ITO TETSUTSUGU , TAGUCHI NORIAKI , ISOMI KENICHI , MOCHIZUKI SHUICHI
IPC分类号： G03G15/01 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an intermediate transfer type color image forming apparatus including an optical sensor having a shutter, where detection of a reference toner image and detection of opening/closing of the shutter both normally function even if an intermediate transfer belt is stained.
SOLUTION: In the image forming apparatus including the transfer belt 61, the reflection type optical sensor 51 and the shutter 41, sensor light emission reference current is used as sensor light emission current for the optical sensor 51 when performing detection of opening/closing of the shutter 41, and the sensor light emission current is controlled to be such sensor light emission updating current that sensor output voltage of the optical sensor 51 by reflected light from the transfer belt 61 becomes belt foundation detection reference voltage when performing detection of the reference toner image, also the sensor light emission reference current is changed to the sensor light emission updating current when determining that a shutter closed state can be detected by using the sensor light emission updating current, and the sensor light emission reference current is not changed when determining that such a state can not be detected.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种中间转印型彩色图像形成装置，其包括具有快门的光学传感器，其中基准调色剂图像的检测和快门的打开/关闭检测通常也起作用，即使中间转印皮带被染色。解决方案：在包括转印带61，反射型光学传感器51和快门41的图像形成装置中，当执行检测开启/关闭时，传感器发光参考电流被用作光学传感器51的传感器发光电流，将传感器发光电流控制为这样的传感器发光更新电流，即当从传送带61反射的光传感器的传感器输出电压进行检测时，成为皮带基础检测基准电压参考调色剂图像，当通过使用传感器发光更新电流确定可以检测到快门关闭状态时，传感器发光参考电流也改变为传感器发光更新电流，并且传感器发光参考电流不改变时确定不能检测到这样的状态。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2010134149A Color image forming apparatus 有权
标题翻译：彩色图像形成装置
公开(公告)号：JP2010134149A
公开(公告)日：2010-06-17
申请号：JP2008309443
申请日：2008-12-04
申请人： Sharp Corp , シャープ株式会社
发明人： TOMITA MICHIO
IPC分类号： G03G15/16 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To control contact/separation between a photoreceptor drum and an intermediate transfer belt according to output by an optical sensor for detecting reference toner on the intermediate transfer belt. SOLUTION: The color image forming apparatus includes: a plurality of photoreceptor drums 3Y, 3M, 3C and 3K on which toner images are carried; the intermediate transfer belt 61 where a plurality of color toner images on the respective photoreceptor drums 3Y, 3M, 3C and 3K are superposed; a contact/separation mechanism part 30 which makes the intermediate transfer belt 61 contact with/separate from the respective photoreceptor drums 3Y, 3M, 3C and 3K; the optical sensors 21 and 22 which detect reflected light from the toner image on the intermediate transfer belt 61; and shutters 51 and 52 which shield the optical sensors 21 and 22 from light and make them open interlocked with operation of the contact/separation mechanism part 30. The contact/separation mechanism part 30 controls the contact/separation between the intermediate transfer belt 61 and the respective photoreceptor drums 3Y, 3M, 3C and 3K based on output from the optical sensors 21 and 22 by light shielding-opening operation of the shutters 51 and 52. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：根据用于检测中间转印带上的参考调色剂的光学传感器的输出来控制感光鼓和中间转印带之间的接触/分离。彩色图像形成装置包括：承载有调色剂图像的多个感光鼓3Y，3M，3C和3K; 中间转印带61，其中在各个感光鼓3Y，3M，3C和3K上叠加多个彩色调色剂图像; 使中间转印带61与各感光鼓3Y，3M，3C，3K接触/分离的接触/分离机构部30; 检测来自中间转印带61上的调色剂图像的反射光的光学传感器21和22; 以及遮蔽光传感器21,22的光并使其与接触分离机构部30的动作互锁的开闭器51,52。接触分离机构部30控制中间转印带61与中间转印带61的接触/分离相应的感光鼓3Y，3M，3C和3K，其基于光学传感器21和22的输出，通过挡板51和52的遮光打开操作。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010098672A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010098672A
公开(公告)日：2010-04-30
申请号：JP2008269856
申请日：2008-10-20
申请人： Sharp Corp , シャープ株式会社
发明人： TOMITA MICHIO , ODA AYUMI , FUKUTOME SHOICHI , MUTO TAKESHI
IPC分类号： H04N1/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of reducing the enlargement/reduction ratio in copying in the copy mode to as small a ratio as possible as well as limiting the enlargement/reduction ratio in printing in the printer mode to within a permitted range. SOLUTION: The image forming apparatus acquires a limited enlargement/reduction ratio in reading LS obtained by limiting an enlargement/reduction ratio in reading α in the main scanning direction to a predetermined limited range. With respect to a specific parameter in a relationship of proportion to the length in the predetermined direction of an image on a recording sheet output from a printing section, by multiplying a preset initial value by an inverse of an enlargement/reduction ratio in printing in the main scanning direction α' when printing is performed with the initial value and at the same time, and also by multiplying an inverse of the limited enlargement/reduction ratio in reading LS, the image forming apparatus adjusts the specific parameter. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其能够将复印模式中的复印中的放大/缩小比降低到尽可能小的比例，并且限制打印机模式下的打印中的放大/缩小比率在允许的范围内。解决方案：图像形成装置通过将主扫描方向上的读取α的放大/缩小比限制在预定的限制范围内来获得读取LS中的有限放大/缩小比率。关于与从打印部输出的记录纸张上的图像的预定方向上的长度成比例的关系中的特定参数，通过将预设的初始值乘以在打印中的打印中的放大/缩小比的倒数主扫描方向α'，在以初始值进行打印的同时，通过将读出LS中的限制放大/缩小比的倒数相乘，图像形成装置调整该具体参数。版权所有（C）2010，JPO＆INPIT

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