公开(公告)号：US20110008086A1

公开(公告)日：2011-01-13

申请号：US12827231

申请日：2010-06-30

申请人： Tadashi Matsudaira ,  Akihiro Hayashi ,  Youbao Peng ,  Satoshi Ogata ,  Takashi Nara ,  Toshiaki Tanaka

发明人： Tadashi Matsudaira ,  Akihiro Hayashi ,  Youbao Peng ,  Satoshi Ogata ,  Takashi Nara ,  Toshiaki Tanaka

IPC分类号： G03G15/20

CPC分类号： G03G15/2014 ,  G03G15/2021 ,  G03G15/6585 ,  G03G2215/00805

摘要： While having an image forming section which transfers a toner image according to image data onto a recording sheet, a first fixing section which fixes the toner image on the recording sheet with heat of the first fixing roller which rotates on the recording sheet, a clear layer forming section which forms a clear layer on the toner image which the first fixing section has fixed, a second fixing section which fixes the clear layer on the recording sheet with heat of the second fixing roller which rotates on the recording sheet and a control section which controls each part, the control section controls the clear layer forming section to increase the thickness of the clear layer in the recording sheet area corresponding to the fixed area during the second revolution of the first fixing roller on the recording sheet, compared with the first revolution thereof.

摘要翻译： 当具有根据图像数据将调色剂图像转印到记录片材上的图像形成部分时，将记录片材上的调色剂图像固定在记录片材上的第一定影辊的热量在记录片材上旋转的第一固定部分， 形成部分，其在第一固定部分固定的调色剂图像上形成透明层;第二固定部分，利用在记录纸张上旋转的第二定影辊的热量将清晰层固定在记录纸上;以及控制部分， 控制每个部分，与第一次旋转相比，控制部分控制透明层形成部分以增加在记录纸张的第一定影辊的第二次旋转期间对应于固定区域的记录纸张区域中的透明层的厚度 其中。

公开(公告)号：US07457009B2

公开(公告)日：2008-11-25

申请号：US10716905

申请日：2003-11-19

申请人： Hiroshi Oyama ,  Tadashi Matsudaira ,  Katsunori Takahashi ,  Masayuki Watanabe ,  Shinpei Kawasaki

发明人： Hiroshi Oyama ,  Tadashi Matsudaira ,  Katsunori Takahashi ,  Masayuki Watanabe ,  Shinpei Kawasaki

IPC分类号： H04N1/04 ,  H04N1/40

CPC分类号： H04N1/00013 ,  H04N1/00002 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/00047 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00708 ,  H04N1/1013 ,  H04N1/193 ,  H04N1/4076 ,  H04N2201/0416 ,  H04N2201/044 ,  H04N2201/0468

摘要： In order to shorten a time for preliminary original reading which is performed prior to reading of an original image, an image reading apparatus of the present invention scans an original mounted on a platen glass by a scan optical system that moves to the original and reads a scanned image of the original by using a CCD sensor, the apparatus having a function to perform a preliminary original read operation for automatically deciding a density of the original before the reading operation of the original image, wherein the preliminary original reading is performed while the scan optical system in an idling state is moving from a read standby position to an image read operation start position; a white background level correction operation of the CDD sensor is performed after collection of original density data by the preliminary original read operation; and a result of the correction is reflected on the original density data obtained by the preliminary original reading to control the decision of the original density.

摘要翻译： 为了缩短在读取原始图像之前进行的初步原稿读取的时间，本发明的图像读取装置通过移动到原稿的扫描光学系统扫描安装在稿台玻璃上的原稿，并读取 通过使用CCD传感器对原稿的扫描图像，该装置具有执行原稿读取操作的功能，用于在原始图像的读取操作之前自动确定原稿的浓度，其中在扫描期间执行初步原稿读取 处于空闲状态的光学系统从读取待机位置移动到图像读取操作开始位置; 在通过初始原始读取操作收集原始密度数据之后执行CDD传感器的白色背景等级校正操作; 并且校正的结果反映在通过初始原始读取获得的原始密度数据，以控制原始密度的决定。

公开(公告)号：US20050134677A1

公开(公告)日：2005-06-23

申请号：US10926869

申请日：2004-08-26

申请人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe

发明人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe

IPC分类号： B41J2/435 ,  G03G15/32

CPC分类号： G03G15/326 ,  G03G15/04054 ,  G03G15/043

摘要： There is described an image-forming apparatus, which make it possible to prevent the occurrence of the image unevenness without complicating the configuration of the image-forming apparatus and without increasing the cost of the image-forming apparatus. The image-forming apparatus includes an image-bearing member; an image writing device, having a LED array head in which a plurality of LED elements are arranged in a line, to form a electrostatic latent image on the image-bearing member; a calculating section to calculate compensation values utilized for correcting light intensities of the LED elements included in the LED array head, based on distance information between the image-bearing member and the LED array head; a correction controlling section to correct the light intensities of the LED elements included in the LED array head, based on the compensation values; and a storage device to store the distance information between the image-bearing member and the LED array head.

摘要翻译： 描述了一种图像形成装置，其可以防止图像不均匀的发生，而不会使图像形成装置的结构复杂化，并且不增加图像形成装置的成本。 图像形成装置包括图像承载部件; 图像写入装置，其具有LED阵列头，其中多个LED元件排成一行，以在图像承载部件上形成静电潜像; 计算部，根据图像承载部件与LED阵列头之间的距离信息计算用于校正LED阵列头中包含的LED元件的光强度的补偿值; 校正控制部分，用于基于所述补偿值来校正所述LED阵列头中包括的所述LED元件的光强度; 以及用于存储图像承载部件和LED阵列头之间的距离信息的存储装置。

公开(公告)号：US20050110859A1

公开(公告)日：2005-05-26

申请号：US10891555

申请日：2004-07-15

申请人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe

发明人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe

IPC分类号： B41J2/385 ,  G03G15/00

CPC分类号： G03G15/5041 ,  G03G15/04054 ,  G03G2215/00042 ,  G03G2215/0409

摘要： This invention provides an image forming apparatus that can suppress variations in writing densities of LED heads and form stable images. An image forming apparatus has an image retainer 1 for retaining a toner image, an image writing unit 3 equipped with a plurality of LED heads 31 to form a static latent image the image retainer 1, a developing unit 4 for developing the static latent image formed by the image writing unit 3 with a developing agent, a patch formation controller 23 for forming patches for each LED head on the image retainer 1, a density detector 25 for detecting the density of each patch formed by the patch formation controller 23, and a correction controller 26 for correcting the light amount of each LED head by the density detected by the density detector 25.

摘要翻译： 本发明提供一种能够抑制LED头的写入密度变化并形成稳定图像的图像形成装置。 图像形成装置具有用于保持调色剂图像的图像保持器1，配备有多个LED头31以形成图像保持器1的静电潜像的图像写入单元3，用于显影形成的静电潜像的显影单元4 通过具有显影剂的图像写入单元3，用于在图像保持器1上形成每个LED头的贴片的贴片形成控制器23，用于检测由贴片形成控制器23形成的每个贴片的密度的浓度检​​测器25，以及 校正控制器26，用于通过由密度检测器25检测的密度校正每个LED头的光量。

公开(公告)号：US5467173A

公开(公告)日：1995-11-14

申请号：US189503

申请日：1994-01-31

申请人： Satoshi Sakata ,  Tomoo Kudo ,  Hiroyuki Watanabe ,  Tadashi Matsudaira

发明人： Satoshi Sakata ,  Tomoo Kudo ,  Hiroyuki Watanabe ,  Tadashi Matsudaira

IPC分类号： G03G15/04 ,  G03G15/00

CPC分类号： G03G15/04 ,  G03G15/043

摘要： A speed controlling circuit for controlling an optical scanning system driving motor in use with an image forming apparatus such as a copier and a printer. The speed controlling circuit includes; an encoder for generating pulse signals according to a rotation of the optical scanning system driving motor; a generating circuit for generating reference clock signals; a first memory for storing a first set of numbers for dividing a frequency of the pulse signals; a second memory for storing a second set of numbers corresponding to a target rotation speed of the optical scanning system driving motor; a first setting circuit and a second setting circuit for respectively reading one of the first set of numbers from the first memory and one of the second set of numbers from the second memory, and for setting those numbers at every predetermined interval time while the optical scanning system driving motor is accelerating or decelerating; a frequency-dividing circuit for dividing the frequency of the pulse signals according to the set number of the first set of numbers; a detecting circuit for detecting a rotating speed of the optical scanning system driving motor according to the reference signals and pulse signals at every frequency period which is divided by the frequency-dividing circuit; a comparator circuit for comparing the rotating speed, detected by the detecting circuit, with the set number of the second set of numbers at every frequency period which is divided by the frequency-dividing circuit; and a control circuit for controlling the rotating speed of the optical scanning system driving motor according to a result of the comparing of the comparator circuit.

摘要翻译： 一种用于控制与诸如复印机和打印机之类的图像形成装置一起使用的光学扫描系统驱动电机的速度控制电路。 速度控制电路包括： 编码器，用于根据所述光学扫描系统驱动电机的旋转产生脉冲信号; 用于产生参考时钟信号的发生电路; 用于存储用于分割脉冲信号的频率的第一组数字的第一存储器; 第二存储器，用于存储对应于所述光学扫描系统驱动电机的目标转速的第二组数字; 第一设置电路和第二设置电路，用于分别从第一存储器读取第一组数字中的一个和来自第二存储器的第二组数字中的一个，并且用于在光学扫描期间以每隔预定间隔时间设置这些数字 系统驱动电机正在加速或减速; 分频电路，用于根据第一组数字的设定数来分频脉冲信号的频率; 检测电路，用于根据由分频电路分频的每个频率周期的参考信号和脉冲信号来检测光学扫描系统驱动电动机的转速; 比较电路，用于将由检测电路检测的转速与由分频电路分压的每个频率周期的第二组数的设定数进行比较; 以及控制电路，用于根据比较器电路的比较结果来控制光学扫描系统驱动电动机的转速。

公开(公告)号：US5412295A

公开(公告)日：1995-05-02

申请号：US138357

申请日：1993-10-18

申请人： Kazuhisa Maruyama ,  Masaru Ushio ,  Junji Sato ,  Satoshi Sakata ,  Tomoo Kudo ,  Tadashi Matsudaira ,  Hiroyuki Watanabe ,  Yoshikazu Maekawa

发明人： Kazuhisa Maruyama ,  Masaru Ushio ,  Junji Sato ,  Satoshi Sakata ,  Tomoo Kudo ,  Tadashi Matsudaira ,  Hiroyuki Watanabe ,  Yoshikazu Maekawa

IPC分类号： G05B23/02 ,  H02K17/32

CPC分类号： G05B23/0256

摘要： An electric circuit provided with an abnormal condition detector for a motor, for use in a toner image forming apparatus, includes a current detection circuit for detecting a presence of a current when a power supply circuit is switched OFF; a test circuit for confirming a line connection between a control circuit and a switch by transmitting a test signal between the control circuit and the switch and a control circuit for determining an abnormal section causing an abnormal condition of a motor.

摘要翻译： 一种设置有用于电动机的异常状态检测器的电路，用于调色剂图像形成装置，包括电流检测电路，用于在电源电路关闭时检测电流的存在; 用于通过在控制电路和开关之间传输测试信号来确认控制电路和开关之间的线路连接的测试电路和用于确定导致电动机的异常状态的异常部分的控制电路。

公开(公告)号：US08818248B2

公开(公告)日：2014-08-26

申请号：US13424991

申请日：2012-03-20

申请人： Takashi Nara ,  Fuminori Moro ,  Tadashi Matsudaira ,  Youbao Peng ,  Satoshi Ogata

发明人： Takashi Nara ,  Fuminori Moro ,  Tadashi Matsudaira ,  Youbao Peng ,  Satoshi Ogata

IPC分类号： G03G15/01

CPC分类号： H04N1/506

摘要： An image formation control section sets a secondary transfer section in the pressed state in the case of execution of a main scanning correction processing as color registration correction, and sets the secondary transfer section in the separated state in the case of execution of a sub-scanning correction processing, an entire lateral magnification correction processing, a partial lateral magnification correction processing, or a skew correction processing, which is the correction of the image position for components other than the main scanning direction as color registration correction so as to prevent the situation where the correction accuracy of the image position with respect to the main scanning direction decreases and to prevent a decrease in print quality due to a residual image of a registration correction processing.

摘要翻译： 在执行主扫描校正处理的情况下，图像形成控制部分将处于按压状态的二次转印部分设置为颜色对准校正​​，并且在执行副扫描的情况下将二次转印部分设置为分离状态 校正处理，整个横向放大校正处理，局部横向放大校正处理或歪斜校正处理，其是将主扫描方向以外的部件的图像位置校正为颜色对准校正​​，以防止其中 图像位置相对于主扫描方向的校正精度降低，并且防止由于对准校正处理的残留图像引起的打印质量的降低。

公开(公告)号：US08049931B2

公开(公告)日：2011-11-01

申请号：US11948468

申请日：2007-11-30

申请人： Atsushi Takahashi ,  Utami Soma ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

发明人： Atsushi Takahashi ,  Utami Soma ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

IPC分类号： H04N1/40

CPC分类号： H04N1/40087

摘要： An image forming apparatus for forming an image on a transfer sheet based on image data, comprises an operating section to determine a setup about a margin region on which an image is not formed at an edge portion of the transfer sheet, a control section to determine an inner region having a specified width and being adjacent to the determined margin region as a density change region in which an image density is changed, and determines a more inner region located inward more from the density change region as a regular density region in which an image is formed with a regular image density, and an image forming section to form an image in the density change region based on image data on the condition where the image density is reduced and to form an image in the regular density region based on image data without changing the image density.

摘要翻译： 一种用于基于图像数据在转印纸上形成图像的图像形成装置包括操作部分，用于确定在转印纸的边缘部分处未形成图像的边缘区域的设置;控制部分，用于确定 具有指定宽度并且与所确定的边界区域相邻的内部区域作为其中图像浓度改变的浓度变化区域，并且确定从密度变化区域向内更向内的更多的内部区域作为规定的密度区域，其中 图像形成有规则的图像浓度，以及图像形成部分，用于在图像浓度降低的条件下基于图像数据在密度变化区域中形成图像，并且基于图像数据形成正常密度区域中的图像 而不改变图像密度。

公开(公告)号：US20110135324A1

公开(公告)日：2011-06-09

申请号：US12957711

申请日：2010-12-01

申请人： Youbao PENG ,  Satoshi Ogata ,  Takashi Nara ,  Tadashi Matsudaira ,  Akihiro Hayashi ,  Eiji Nishikawa

发明人： Youbao PENG ,  Satoshi Ogata ,  Takashi Nara ,  Tadashi Matsudaira ,  Akihiro Hayashi ,  Eiji Nishikawa

IPC分类号： G03G15/20 ,  B65G43/00

CPC分类号： G03G15/2032 ,  G03G2215/2009

摘要： A belt drive apparatus, including, an endless belt to be laid across in a tensioned condition between supporting rollers and to travel being in pressure contact with or being separated from a body to receive the pressure contact, a pressure contact/separating state detection section to detect whether the endless belt is in the pressure contact with the body or separated therefrom, a belt position detection section to detect a position of the endless belt in a width direction thereof, a belt abnormality judging section to judge whether the endless belt is in an abnormal position based on a detection result obtained by the belt position detection section and one of judgment values which are set correspondingly to the pressure contact/separating state of the endless belt, and a belt drive control section to control a drive of the endless belt.

摘要翻译： 一种皮带驱动装置，包括：在支撑辊之间的张紧状态下横穿的环形带，并与身体压力接触或与主体分离以接收压力接触;压力接触/分离状态检测部分， 检测环形带是否与本体压接或分离，带位置检测部分，用于检测环形带在其宽度方向上的位置;带异常判断部，用于判断环形带是否在 基于由带位置检测部获得的检测结果的异常位置和对应于环形带的压力接触/分离状态设定的判定值中的一个以及用于控制环形带的驱动的带驱动控制部。

公开(公告)号：US20050135828A1

公开(公告)日：2005-06-23

申请号：US10949455

申请日：2004-09-27

申请人： Norio Joichi ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe ,  Yoshiki Katayama ,  Shinpei Kawasaki ,  Takashi Nara

发明人： Norio Joichi ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe ,  Yoshiki Katayama ,  Shinpei Kawasaki ,  Takashi Nara

IPC分类号： G03G15/00

CPC分类号： G03G15/5004 ,  G03G15/80

摘要： There is described an image forming apparatus, in which the influence of the overall controlling section startup time is reduced, thereby cutting down the time from turning on of power to enabling of image formation. The image forming apparatus includes: a main power switch to turn ON/OFF an AC power source to be supplied into the image forming apparatus; a DC power current generating section to convert AC power current, fed from the AC power source, to DC power current; an overall-controlling section to control overall operations of the image forming apparatus; an engine-controlling section to conduct a predetermined controlling operation among from controlling operations to be conducted in the image forming apparatus; a first power-controlling section, included in the overall-controlling section and/or controlled by the overall-controlling section; and a second power-controlling section, having a starting time shorter than that of the first power-controlling section.

摘要翻译： 描述了一种图像形成装置，其中整体控制部分启动时间的影响减小，从而减少从打开电源到启用图像形成的时间。 图像形成装置包括：主电源开关，用于接通/关闭要供给到图像形成装置中的交流电源; 直流电力产生部分，用于将从AC电源馈送的AC电力电流转换为DC电力电流; 整体控制部分，用于控制图像形成装置的整体操作; 引擎控制部分，用于在图像形成装置中进行的控制操作之间进行预定的控制操作; 包括在总体控制部分中和/或由总体控制部分控制的第一功率控制部分; 以及第二功率控制部，其开始时间比第一功率控制部的开始时间短。