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1. 发明专利

JP2017090883A 定着装置、画像形成装置、異常検知方法、及びプログラム审中-公开
公开(公告)号：JP2017090883A
公开(公告)日：2017-05-25
申请号：JP2016080395
申请日：2016-04-13
申请人：株式会社リコー , Ricoh Co Ltd
发明人： ITO MITSUO , KOBAYASHI MASATO , YAMAGUCHI YASUO
IPC分类号： G03G15/20 , G03G21/00 , G03G21/20
摘要：【課題】商用交流電源の電圧が瞬断した場合に、定着装置の異常だと誤って判断されることを防止する。【解決手段】商用交流電源12から供給される電力により昇温する昇温部15bの温度上昇値(T1−T0)に基づいて、異常検出部121が異常状態の有無を判断する。また、瞬断検知部116が商用交流電源12に瞬断が発生したか否かを検知し、制御部122が瞬断検知部116の検知結果に基づいて、異常検出部121の検出結果の妥当性を判定する。【選択図】図5

2. 发明专利

JP2014172247A Ink jet recording device and recording head protection method 审中-公开
标题翻译：喷墨记录装置和记录头保护方法
公开(公告)号：JP2014172247A
公开(公告)日：2014-09-22
申请号：JP2013045557
申请日：2013-03-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HONDA RYO , SATO NOBUYUKI , SUZUKI YASUYUKI , KOBAYASHI MASATO , KANZAWA TOMOKAZU
IPC分类号： B41J2/165
摘要： PROBLEM TO BE SOLVED: To securely cap a recording head even during a movement of a carriage.SOLUTION: An ink jet recording device 1 records an image by reciprocally moving a carriage 6, mounted with recording heads 20a-20d each having a nozzle array for discharging ink, in a main scanning direction. The ink jet recording device 1 has a cap unit 30 mounted detachably on the recording heads 20a-20d in a state in which nozzle arrays are covered such that a space Pc is formed between the nozzle arrays and the carriage 6 can move. The ink jet recording device 1 reduces the atmospheric pressure in the space Pc to negative pressure lower than the atmospheric pressure outside the cap unit 30 to mount the cap unit 30 on the recording heads 20a-20d when the cap unit 30 is mounted on the recording heads 20a-20d, and releases the negative pressure in the space Pc when the cap unit 30 is removed from the recording heads 20a-20d.
摘要翻译：要解决的问题：即使在支架的移动期间也可以牢固地盖住记录头。解决方案：喷墨记录装置1通过往复移动滑架6记录图像，滑架6安装有记录头20a-20d，每个记录头具有喷嘴阵列在主扫描方向上排出墨。喷墨记录装置1具有在喷嘴阵列被覆盖的状态下可拆卸地安装在记录头20a-20d上的盖单元30，使得在喷嘴阵列和滑架6能够移动之间形成空间Pc。喷墨记录装置1将盖体单元30安装在记录头上时，将空间Pc中的大气压力降低到低于盖单元30外的大气压的负压，以将盖单元30安装在记录头20a-20d上头20a-20d，并且当盖单元30从记录头20a-20d移除时，释放空间Pc中的负压。

3. 发明专利

JP2014137247A Color detecting device, color measuring device, image forming apparatus, and color measuring system 有权
标题翻译：颜色检测装置，颜色测量装置，图像形成装置和颜色测量系统
公开(公告)号：JP2014137247A
公开(公告)日：2014-07-28
申请号：JP2013004971
申请日：2013-01-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI YASUYUKI , SATO NOBUYUKI , KOBAYASHI MASATO , HONDA RYO
IPC分类号： G01J3/50
摘要： PROBLEM TO BE SOLVED: To make it possible to appropriately acquire color data for measuring colors with high accuracy.SOLUTION: A color measuring camera 42 of an embodiment includes: a white LED light source 426a that has a plurality of peak wavelengths in a wavelength range of 380 nm to 780 nm; a blue-green LED light source 426b; and a two-dimensional image sensor that receives reflection light of light from the white LED light source 426a reflected on a patch of a color measurement target and a reference chart part 400, and reflection light of light from the blue-green LED light source 426b reflected on the patch of a color measurement target and the reference chart part 400, and outputs image data including the patch of a color measurement target and the reference chart part 400. The blue-green LED light source 426b is a light source that has a peak wavelength in at least one wavelength range in which the total spectrum sensitivity becomes equal to or less than a predetermined value, where the total spectrum sensitivity is obtained by multiplying a light emission intensity distribution of the white LED light source 426a by the spectrum sensitivity of the two-dimensional image sensor.
摘要翻译：要解决的问题：使得可以以高精度适当地获取用于测量颜色的颜色数据。解决方案：一个实施例的测色相机42包括：白色LED光源426a，其具有波长范围内的多个峰值波长 380nm至780nm; 蓝绿色LED光源426b; 以及二维图像传感器，其接收来自在彩色测量对象和参考图部分400的补片上反射的白色LED光源426a的光的反射光，以及来自蓝绿色LED光源426b的光的反射光反映在颜色测量对象的贴片和参考图部分400上，并且输出包括彩色测量对象和参考图部分400的补丁的图像数据。蓝绿色LED光源426b是具有其中总光谱灵敏度变为等于或小于预定值的至少一个波长范围内的峰值波长，其中总的光谱灵敏度是通过将白光LED光源426a的发光强度分布乘以二维图像传感器。

4. 发明专利

JP2012188180A Paper remaining amount calculation device, image forming device and paper remaining amount calculation method 审中-公开
标题翻译：纸张剩余量计算装置，图像形成装置和纸张剩余量计算方法
公开(公告)号：JP2012188180A
公开(公告)日：2012-10-04
申请号：JP2011050805
申请日：2011-03-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKI NORIKAZU , SATO NOBUYUKI , KOBAYASHI MASATO , HORIKAWA DAISAKU
IPC分类号： B65H26/08 , B41J11/42 , B65H43/00
摘要： PROBLEM TO BE SOLVED: To accurately calculate a remaining amount of roll paper only based on a detection result.SOLUTION: This paper remaining amount calculation device 1 holds axial both ends of the roll paper formed by winding long paper around a paper tube by a spool shaft and a stopper, rotatably supports the roll paper by a bearing via the spool shaft, detects at least an outer diameter position of the paper tube and a side end face of the paper wound around the paper tube by a paper remaining amount detection sensor in a sensor 2 arranged in the stopper in the radial direction of the roll paper, and outputs a detection signal to a CPU 8 via a support side communication part 3. Based on the detection signal, the CPU 8 determines an outer diameter of the paper tube, an outer diameter of the paper from the outer diameter position of the paper tube to an outer diameter position of the paper wound around the piper tube and paper thickness of one piece of the paper so as to calculate the remaining amount of the paper wound around the paper tube.
摘要翻译：要解决的问题：仅根据检测结果精确地计算卷纸的剩余量。
解决方案：该纸剩余量计算装置1通过卷轴和止动器将卷纸缠绕在纸管上形成的卷纸的轴向两端，通过卷筒轴由轴承可旋转地支撑卷纸，通过纸张剩余量检测传感器检测纸管的至少外径位置和卷绕在纸管周围的纸张的侧端面，该传感器2布置在卷纸的径向方向上的止动件中，并输出通过支撑侧通信部分3向CPU 8发送检测信号。根据检测信号，CPU8确定纸管的外径，纸的外径从纸管的外径位置到缠绕在吹管上的纸的外径位置和一张纸的纸厚度，以计算卷绕在纸管上的纸的剩余量。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2011194654A Recording apparatus, control method and program 有权
标题翻译：记录装置，控制方法和程序
公开(公告)号：JP2011194654A
公开(公告)日：2011-10-06
申请号：JP2010062442
申请日：2010-03-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKI NORIKAZU , SATO NOBUYUKI , KOBAYASHI MASATO , OKADA TATSUHIKO , SAWADA DAISUKE , HORIKAWA DAISAKU
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide a recording apparatus capable of detecting the inclination of a recording head which is not affected by yawing.SOLUTION: The recording apparatus is configured to discharge ink from a plurality of nozzles onto a recording medium 16 in the state where a carriage 5 is stopped, and form a detection pattern 100 composed of at least two or more independent dots. Next, the detection pattern 100 formed on the recording medium 16 is detected by a line sensor 30, and the detection signal of the detection pattern 30 is acquired. And then, the inclination of the recording head 6 is detected based on the detection signal of the detection pattern 100.
摘要翻译：要解决的问题：提供一种能够检测不受偏航影响的记录头的倾斜度的记录装置。解决方案：记录装置被配置为在多个喷嘴中将墨排出到记录介质16上，停止滑架5，形成由至少两个以上的独立点构成的检测图案100。接下来，通过线传感器30检测在记录介质16上形成的检测图案100，并且获取检测图案30的检测信号。然后，基于检测图案100的检测信号来检测记录头6的倾斜度。

6. 发明专利

JP2011161718A Recorder and control method 有权
标题翻译：记录和控制方法
公开(公告)号：JP2011161718A
公开(公告)日：2011-08-25
申请号：JP2010025391
申请日：2010-02-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIMURA TOMONORI , SAKURAI YASUO , SATO NOBUYUKI , KOBAYASHI MASATO , SAKURADA YUICHI , SUZUKI ARATA
IPC分类号： B41J2/01 , B41J29/46
摘要： PROBLEM TO BE SOLVED: To provide a recorder capable of correctly detecting the positional deviation of print. SOLUTION: The recorder forms a first dot group 101 at outward route movement, and forms a second and third dot groups 102, 103 return route movement while forming a detection pattern 100 composed of the first to third dot groups 101, 102, 103. Next, the detection pattern 100 is detected by a two-dimensional sensor 30, and the image information of the detection pattern 100 is acquired. Then, the image information of the detection pattern 100 is analyzed, and a two-dimensional frequency characteristic of the detection pattern 100 is acquired. Then, based on the two-dimensional frequency characteristic, the positional deviation of the print of the dot printed at the return route movement of a carriage 5 is detected. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够正确地检测打印位置偏差的记录器。解决方案：记录器在外部路线运动时形成第一点阵组101，并形成第二和第三点组102,103返回路线运动，同时形成由第一至第三点组101,102组成的检测图案100，接下来，通过二维传感器30检测检测图案100，获取检测图案100的图像信息。然后，分析检测图案100的图像信息，并且获取检测图案100的二维频率特性。然后，基于二维频率特性，检测在滑架5的返回路线移动处印刷的点的打印的位置偏差。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2011084351A Carrying device, image processing device, carrying control method, carrying control program and recording medium 审中-公开
标题翻译：携带设备，图像处理设备，执行控制方法，执行控制程序和记录介质
公开(公告)号：JP2011084351A
公开(公告)日：2011-04-28
申请号：JP2009236807
申请日：2009-10-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI ARATA , SAKURAI YASUO , SATO NOBUYUKI , KOBAYASHI MASATO , KIMURA TOMONORI , SAKURADA YUICHI
IPC分类号： B65H5/06
摘要： PROBLEM TO BE SOLVED: To provide a carrying device, an image processing device, a carrying control method, a carrying control program and a recording medium for accurately carrying a sheet-like member.
SOLUTION: An inkjet recording device 1 presses a roller 22b to a bearing roller 23 by a pressure contact roller 26a by arranging the bearing roller 23 co-rotating by the rotation of the roller 22b in the roller 22b of a central part of a carrier roller 20 for carrying recording paper. The inkjet recording device 1 detects a rotation quantity of the bearing roller 23 and a rotation position of the carrier roller 20, calculates an error between a detecting rotation quantity of the bearing roller 23 and a normal rotation quantity of the bearing roller 23 according to the detected rotation quantity of the carrier roller 20, calculates a correction quantity of a carrying quantity of the recording paper based on the calculated error and the rotation position of the carrier roller 20, and controls the rotation quantity of the carrier roller 20 according to the correction quantity.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供用于精确地携带片状构件的携带装置，图像处理装置，携带控制方法，携带控制程序和记录介质。解决方案：喷墨记录装置1通过将滚子22b的旋转同时旋转的轴承辊23布置在辊22b的中心部分的辊22b中，通过压力接触辊26a将辊22b压向轴承辊23 用于承载记录纸的承载辊20。喷墨记录装置1检测承载辊23的旋转量和承载辊20的旋转位置，计算出轴承辊23的检测旋转量与轴承辊23的正常旋转量之间的误差，根据检测载带辊20的旋转量，根据所计算出的误差和承载辊20的旋转位置计算记录纸的承载量的校正量，并根据校正来控制承载辊20的旋转量数量。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2011056873A Recorder, control method, and program 有权
标题翻译：记录器，控制方法和程序
公开(公告)号：JP2011056873A
公开(公告)日：2011-03-24
申请号：JP2009211094
申请日：2009-09-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIMURA TOMONORI , SAKURAI YASUO , SATO NOBUYUKI , TAKAHASHI HIROSHI , KOBAYASHI MASATO , TAKEI KAZUFUMI , SAKURADA YUICHI , SUZUKI ARATA
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide a recorder which permits a drift in printing to accurately be sensed.
SOLUTION: The recorder records adjustment patterns (101 and 102) comprising a forward adjustment pattern (101) printed during a forward movement and a backward adjustment pattern (102) printed during a backward movement on a recording medium (16) (S1 to S9). Sensing the adjustment patterns (101 and 102), the recorder outputs a sensing signal corresponding to the adjustment patterns (101 and 102) (S10 to S14). Subsequently, the recorder analyzes the sensing signal and obtains two-dimensional frequency characteristics of the sensing signal (S17). Subsequently, on the basis of the two-dimensional frequency characteristics, the recorder detects a drift between dots printed in the main scanning direction and a drift between dots printed in the subsidiary scanning direction (S18).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供允许准确地感测打印漂移的记录器。记录器记录包括在向前移动期间打印的前向调整图案（101）和在向后移动期间在记录介质（16）上打印的后向调整图案（102）的调整图案（101和102）（S1 到S9）。感测调整图案（101和102），记录仪输出对应于调整图案（101和102）的感测信号（S10至S14）。随后，记录器分析感测信号并获得感测信号的二维频率特性（S17）。随后，基于二维频率特性，记录器检测在主扫描方向上打印的点之间的漂移和在副扫描方向上打印的点之间的漂移（S18）。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010269465A Recording apparatus, control method and program 审中-公开
标题翻译：记录装置，控制方法和程序
公开(公告)号：JP2010269465A
公开(公告)日：2010-12-02
申请号：JP2009121168
申请日：2009-05-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI ARATA , SAKURAI YASUO , SATO NOBUYUKI , TAKAHASHI HIROSHI , KOBAYASHI MASATO , KIMURA TOMONORI , TAKEI KAZUFUMI , SAKURADA YUICHI
IPC分类号： B41J2/01 , B41J29/46 , G06F3/12
摘要： PROBLEM TO BE SOLVED: To provide a recording apparatus which can detect such a state that an inclination amount in a sub-scan direction of a carriage differs according to a position in a main scan direction.
SOLUTION: A test pattern (100) which is comprised of a plurality of marks (101 and 102) arranged in the sub-scan direction on a platen plate (31) and disposed by a plurality of the number in the main scan direction is detected by using a reading sensor (30). The inclination amount θ in the sub-scan direction of the carriage (5) which is obtained from a relationship between a measured distance LN' between the plurality of marks (101 and 102) obtained when the reading sensor (30) detects each test pattern (100) and a theoretical distance Ln between the plurality of marks (101 and 102) set beforehand is calculated. It is determined that the inclination amount θ in the sub-scan direction of the carriage (5) differs according to a position in the main scan direction when a fluctuation amount (Δθ) caused by a position in the main scan direction of the inclination amount θ in the sub-scan direction of the carriage (5) calculated for each test pattern (100) is not smaller than a predetermined threshold (α).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种记录装置，该记录装置可以检测这样的状态：根据主扫描方向上的位置，托架的副扫描方向上的倾斜量不同。解决方案：一种测试图案（100），其由在压板（31）上沿副扫描方向排列并由主扫描中的多个数量布置的多个标记（101和102）组成通过使用读取传感器（30）检测方向。根据读取传感器（30）检测到各测试图案而获得的多个标记（101和102）之间的测量距离LN'之间的关系获得的滑架（5）的副扫描方向上的倾斜量θ （100），并且计算预先设定的多个标记（101和102）之间的理论距离Ln。确定当由主扫描方向上的倾斜量的位置引起的波动量（Δθ）时，托架（5）的副扫描方向上的倾斜量θ根据主扫描方向上的位置而不同，对于每个测试图案（100）计算的滑架（5）的副扫描方向上的θ不小于预定阈值（α）。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2009171003A Image reader and image forming apparatus 审中-公开
标题翻译：图像读取器和图像形成装置
公开(公告)号：JP2009171003A
公开(公告)日：2009-07-30
申请号：JP2008004096
申请日：2008-01-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKURAI YASUO , SATO NOBUYUKI , YOSHIMARU AKITO , TAKAHASHI HIROSHI , KOBAYASHI MASATO , SAKURADA YUICHI
IPC分类号： H04N1/19
摘要： PROBLEM TO BE SOLVED: To read out a high-quality image by limiting a positional shift of an image reading region in a linear charge coupled device having such a structure as its charge coupled devices are arranged in two or more arrays in the main scanning direction.
SOLUTION: In a structure where a plurality of image sensors 30a and 30b each composed of a CCD are arranged in the main scanning direction while overlapping ends 30a' and 30b' of image sensors 30a and 30b adjoining in the direction of arrangement in a reading region, an image (optical spot) is formed as a reference marker M in a region which is included in an overlapping part Y of scanning lines 31a and 31b on the contact glass 18 of a pair of adjoining image sensors 30a and 30b. With reference to the reference marker M, the overlapping part Y of the image sensors 30a and 30b is aligned with the main/sub-scanning direction. The reference marker M is formed circularly on the contact glass 18 by light irradiated from an LED 32, i.e., a light source for forming a marker.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了通过限制具有其电荷耦合器件的线性电荷耦合器件中的图像读取区域的位置偏移来读出高质量图像，其中两个或更多个阵列被布置在主扫描方向。解决方案：在将由CCD构成的多个图像传感器30a和30b沿主扫描方向排列的结构中，与图像传感器30a和30b的排列方向相邻的端部30a'和30b'重叠在一对邻接的图像传感器30a和30b的接触玻璃18上的扫描线31a和31b的重叠部分Y中包括的区域中形成读取区域，图像（光点）作为基准标记M. 参考标记M，图像传感器30a和30b的重叠部分Y与主/副扫描方向对齐。参考标记M通过从LED 32照射的光，即用于形成标记的光源，在接触玻璃18上圆形地形成。版权所有（C）2009，JPO＆INPIT

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