公开(公告)号：US06366702B1

公开(公告)日：2002-04-02

申请号：US09103308

申请日：1998-06-23

申请人： Mitsuru Obara ,  Atsushi Ishikawa ,  Kenichi Sawada

发明人： Mitsuru Obara ,  Atsushi Ishikawa ,  Kenichi Sawada

IPC分类号： G06K936

CPC分类号： H04N1/41

摘要： The method and apparatus particularly adapted for reducing the storage capacity of line memories needed for temporarily storing image data for lines until image data for the last line is obtained in digital filtering. Inputted image data are divided into a plurality of blocks, each of which consists of image data obtained from n pixels. The integer n may assume a value of 8, 16, 32, etc. The constituents of one block after another are compressed such that image data consisting of 8 bits per pixel are converted into encoded data consisting of 2 bits per pixel. Data on a dynamic range and an average value for each block are added as a headder to the encoded data. Compressed image data are taken out of a buffer memory after being temporarily stored therein and, together with or separately from compressed image data newly outputted from a compression unit, subjected to image processing such as MTF correction in an arithmetic unit. Image processing to be carried out in the arithmetic unit normally includes expansion and correction to be carried out independently of or simultaneously with each other.

摘要翻译： 该方法和装置特别适用于减少用于临时存储用于行的图像数据所需的行存储器的存储容量，直到在数字滤波中获得用于最后一行的图像数据。 输入图像数据被分成多个块，每个块由从n个像素获得的图像数据组成。 整数n可以采取8,16,32等的值。一个块之后的一个块的组成被压缩，使得由每像素8位组成的图像数据被转换成由每像素2位组成的编码数据。 关于每个块的动态范围和平均值的数据作为编码数据的头像被添加。 压缩图像数据在暂时存储之后从缓冲存储器中取出，并且与压缩单元新输出的压缩图像数据一起或分开地在运算单元中进行诸如MTF校正的图像处理。 在运算单元中执行的图像处理通常包括彼此独立地或同时进行的扩展和校正。

公开(公告)号：US06633975B1

公开(公告)日：2003-10-14

申请号：US09437406

申请日：1999-11-10

申请人： Kenichi Sawada ,  Atsushi Ishikawa ,  Mitsuru Obara ,  Toshiya Shirasawa

发明人： Kenichi Sawada ,  Atsushi Ishikawa ,  Mitsuru Obara ,  Toshiya Shirasawa

IPC分类号： G06F15177

CPC分类号： G06F15/8053

摘要： A data processing system has the following construction in order to achieve high speed data processing with reduced memory capacity. There are provided a memory to store a plurality of pieces of sequentially input data to be processed, a plurality of processors to execute a series of processings, e.g., Log conversion, MTF correction, gamma correction and binarization in this order to the data to be processed stored in the memory in the order of input, and a state control portion to determine which processing is stagnant by monitoring the progress of a processing by each of said plurality of processors and prohibit a processor executing a processing succeeding to a processing determined as being stagnant from accessing the memory. Processings by the plurality of processors are executed asynchronously and the plurality of processors share the memory.

摘要翻译： 数据处理系统具有以下结构，以便以较低的存储容量实现高速数据处理。 提供存储多个待处理的顺序输入数据的存储器，多个处理器，以按顺序执行一系列处理，例如日志转换，MTF校正，伽马校正和二值化处理 以输入顺序存储在存储器中的状态控制部分，以及状态控制部分，通过监视所述多个处理器中的每个处理器的处理进度来确定哪个处理是停滞的，并且禁止执行处理的处理器被确定为 停止访问内存。 多个处理器的处理是异步执行的，并且多个处理器共享存储器

公开(公告)号：US08412063B2

公开(公告)日：2013-04-02

申请号：US12842501

申请日：2010-07-23

申请人： Mitsuru Obara ,  Soh Hirota ,  Hironori Akashi ,  Takashi Harashima ,  Kanako Kibihara

发明人： Mitsuru Obara ,  Soh Hirota ,  Hironori Akashi ,  Takashi Harashima ,  Kanako Kibihara

IPC分类号： G03G15/00

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G15/0194 ,  G03G2215/00059 ,  G03G2215/0164

摘要： An image forming apparatus has an image bearing member that moves at a specified speed; a toner pattern forming section for forming toner patterns of a specified type on the image bearing member under specified image forming conditions; a toner pattern detection member for detecting the toner patterns formed on the image bearing member; a toner amount varying section for varying a target amount of toner to adhere to the toner patterns; and a control section that calculates a toner adherence amount and a toner adherence position from detection results outputted from the toner pattern detection member and that performs image stabilization control to adjust the image forming conditions based on the calculation results. In the image stabilization control, the control section uses detection results of the same toner patterns both to calculate the toner adherence amount and to calculate the toner adherence position.

摘要翻译： 图像形成装置具有以规定速度移动的图像承载部件; 调色剂图案形成部分，用于在指定的图像形成条件下在图像承载部件上形成指定类型的调色剂图案; 用于检测形成在图像承载部件上的调色剂图案的调色剂图案检测部件; 调色剂量变化部分，用于改变调色剂的目标量以附着到调色剂图案上; 以及控制部分，其根据从调色剂图案检测部件输出的检测结果计算调色剂附着量和调色剂粘附位置，并且执行图像稳定控制，以根据计算结果调整图像形成条件。 在图像稳定控制中，控制部分使用相同调色剂图案的检测结果来计算调色剂附着量并计算调色剂附着位置。

公开(公告)号：US08023839B2

公开(公告)日：2011-09-20

申请号：US12395906

申请日：2009-03-02

申请人： Kazuomi Sakatani ,  Katsuyuki Hirata ,  Mitsuru Obara ,  Yoshinori Tsutsumi

发明人： Kazuomi Sakatani ,  Katsuyuki Hirata ,  Mitsuru Obara ,  Yoshinori Tsutsumi

IPC分类号： G03G15/08

CPC分类号： G03G15/0868 ,  G03G15/0853 ,  G03G15/0856 ,  G03G15/0887 ,  G03G15/0893

摘要： The developing apparatus, having stirring members for conveying and stirring developer-tank-contained developer and a developer holder, comprises a developer replenishing tank; a toner concentration detecting sensor; a trickle-type discharging mechanism; a developer amount estimating sensor; and a controller for controlling replenishment operation for replenishing the toner and the carrier for replenishment to the developer tank when the toner concentration is lower than a predetermined reference toner concentration, wherein the controller determines the amounts of the toner and the carrier to be replenished on the basis of the calculated toner concentration and the estimated amount of the developer.

摘要翻译： 具有用于输送和搅拌含显影剂罐的显影剂和显影剂载体的搅拌构件的显影装置包括显影剂补充槽; 调色剂浓度检测传感器; 涓流式排放机构; 显影剂量估计传感器; 以及控制器，用于当调色剂浓度低于预定的参考调色剂浓度时，控制用于补充调色剂和载体以补充显影剂罐的补充操作，其中控制器确定调色剂和待补充的载体的量 计算出的调色剂浓度的基础和显影剂的估计量。

公开(公告)号：US07840148B2

公开(公告)日：2010-11-23

申请号：US11704242

申请日：2007-02-09

申请人： Masaki Tanaka ,  Katsuyuki Hirata ,  Mitsuru Obara ,  Toshio Tsuboi ,  Tatsuya Isono

发明人： Masaki Tanaka ,  Katsuyuki Hirata ,  Mitsuru Obara ,  Toshio Tsuboi ,  Tatsuya Isono

IPC分类号： G03G15/16

CPC分类号： G03G15/168 ,  G03G15/0194 ,  G03G2215/1614

摘要： An image forming apparatus includes a secondary transfer roller that becomes a pressed state to make an intermediate transfer belt perform a transfer process and can move between the pressed state and a separated state, a press and separation driving device for driving the secondary transfer roller to become the pressed state and the separated state, a press and separation detecting device for detecting a pressed or separated state, and a voltage applying portion for applying a voltage between the intermediate transfer belt and the secondary transfer roller. The press and separation detecting device includes a resistor for detecting a current and a determination portion for determining a pressed or separated state in accordance with the detected current.

摘要翻译： 图像形成装置包括：二次转印辊，其成为压制状态，以使中间转印带进行转印处理并且能够在压制状态和分离状态之间移动，用于驱动二次转印辊的压力分离驱动装置成为 按压状态和分离状态，用于检测压制或分离状态的按压分离检测装置，以及用于在中间转印带和二次转印辊之间施加电压的电压施加部。 按压分离检测装置包括用于检测电流的电阻器和用于根据检测到的电流确定按压或分离状态的确定部件。

公开(公告)号：US20060029404A1

公开(公告)日：2006-02-09

申请号：US10976774

申请日：2004-11-01

申请人： Soh Hirota ,  Masaki Tanaka ,  Masahiro Kouzaki ,  Kazuomi Sakatani ,  Mitsuru Obara

发明人： Soh Hirota ,  Masaki Tanaka ,  Masahiro Kouzaki ,  Kazuomi Sakatani ,  Mitsuru Obara

IPC分类号： G03G15/08

CPC分类号： G03G15/0856 ,  G03G15/086 ,  G03G15/0877

摘要： An electrophotographic image forming apparatus includes a developing device including a developer reservoir for accommodating a mixed developer. The mixed developer includes a plurality of types of toner having a generally identical hue and different reflection densities. The apparatus also includes a replenishment device having a plurality of toner containers each accommodating one of the plurality of types of toner for replenishing the plurality of types of toner to the developer reservoir; a first detector for detecting whether each of the toner containers is completely empty of toner; and a second detector for detecting whether the developer reservoir is nearly or completely empty of mixed developer. A controller controls the replenishment device and allows or prohibits a printing operation based on the detection result of the first and the second detectors.

摘要翻译： 电子照相图像形成装置包括显影装置，显影装置包括用于容纳混合显影剂的显影剂储存器。 混合显影剂包括具有大致相同的色调和不同反射浓度的多种类型的调色剂。 该装置还包括具有多个调色剂容器的补充装置，每个调色剂容器各自容纳多种类型的调色剂中的一种，用于将多种类型的调色剂补充到显影剂储存器; 用于检测每个调色剂容器是否完全没有调色剂的第一检测器; 以及用于检测显影剂储存器是否几乎或完全没有混合显影剂的第二检测器。 控制器控制补充装置，并且允许或禁止基于第一和第二检测器的检测结果的打印操作。

公开(公告)号：US20090311009A1

公开(公告)日：2009-12-17

申请号：US12400977

申请日：2009-03-10

申请人： Shigeki NAIKI ,  Hironori Akashi ,  Soh Hirota ,  Mitsuru Obara

发明人： Shigeki NAIKI ,  Hironori Akashi ,  Soh Hirota ,  Mitsuru Obara

IPC分类号： G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0848 ,  G03G15/0856 ,  G03G15/0868 ,  G03G2215/0607 ,  G03G2215/085

摘要： In a developer cartridge of toner and carrier, uneven distribution of the carrier at least in the vicinity of a replenishing port is eliminated regardless of the composition ratio between the carrier and the toner and the specific gravity of the carrier. Provided is a construction including a developer container in which a developer containing toner and carrier is received and which has a developing roller to supply the toner to an image carrier, a developer cartridge in which a replenishing developer containing the toner and the carrier is received and which has a replenishing port connected to the developer container to allow the developer container to be replenished with the developer via the replenishing port, and stirring means capable of stirring the developer located at least in the vicinity of the replenishing port in the developer cartridge.

摘要翻译： 在调色剂和载体的显影剂盒中，无论载体和调色剂之间的组成比以及载体的比重如何，消除了至少在补充口附近的载体的不均匀分布。 提供了一种结构，其包括容纳调色剂和载体的显影剂的显影剂容器，并且具有用于将色调剂供应到图像载体的显影辊，其中容纳有调色剂和载体的补充显影剂的显影剂盒， 其具有连接到显影剂容器的补充口，以允许显影剂容器通过补充口补充显影剂;以及搅拌装置，其能够搅拌至少在显影剂盒中的补充口附近的显影剂。

公开(公告)号：US20090310984A1

公开(公告)日：2009-12-17

申请号：US12395906

申请日：2009-03-02

申请人： Kazuomi Sakatani ,  Katsuyuki Hirata ,  Mitsuru Obara ,  Yoshinori Tsutsumi

发明人： Kazuomi Sakatani ,  Katsuyuki Hirata ,  Mitsuru Obara ,  Yoshinori Tsutsumi

IPC分类号： G03G15/08

CPC分类号： G03G15/0868 ,  G03G15/0853 ,  G03G15/0856 ,  G03G15/0887 ,  G03G15/0893

摘要： The developing apparatus, having stirring members for conveying and stirring developer-tank-contained developer and a developer holder, comprises a developer replenishing tank; a toner concentration detecting sensor; a trickle-type discharging mechanism; a developer amount estimating sensor; and a controller for controlling replenishment operation for replenishing the toner and the carrier for replenishment to the developer tank when the toner concentration is lower than a predetermined reference toner concentration, wherein the controller determines the amounts of the toner and the carrier to be replenished on the basis of the calculated toner concentration and the estimated amount of the developer.

摘要翻译： 具有用于输送和搅拌显影剂罐的显影剂和显影剂载体的搅拌构件的显影装置包括显影剂补充槽; 调色剂浓度检测传感器; 涓流式排放机构; 显影剂量估计传感器; 以及控制器，用于当调色剂浓度低于预定的参考调色剂浓度时，控制用于补充调色剂和载体以补充显影剂罐的补充操作，其中控制器确定调色剂和待补充的载体的量 计算出的调色剂浓度的基础和显影剂的估计量。

公开(公告)号：US20080292336A1

公开(公告)日：2008-11-27

申请号：US12219923

申请日：2008-07-30

申请人： Kazuomi Sakatani ,  Soh Hirota ,  Masahiro Kouzaki ,  Mitsuru Obara ,  Masaki Tanaka

发明人： Kazuomi Sakatani ,  Soh Hirota ,  Masahiro Kouzaki ,  Mitsuru Obara ,  Masaki Tanaka

IPC分类号： G03G15/00

CPC分类号： G03G15/0126

摘要： In an image forming apparatus of the present invention, a developing unit for magenta contains magenta-type toner for pseudo full-color image forming whose chromaticity point is shifted closer to yellow hue on a chromaticity diagram, in comparison with genuine-magenta toner for full-color image forming, and likewise, a developing unit for cyan contains cyan-type toner for the pseudo full-color image forming whose chromaticity point is shifted closer to yellow hue on the chromaticity diagram, in comparison with genuine-cyan toner for the full-color image forming.

摘要翻译： 在本发明的图像形成装置中，用于洋红的显影单元包括用于伪全色图像形成的品红色调色剂，其色度点在色度图上更接近黄色色调，与正品品红色调色剂相比较 相似地，用于青色的显影单元包含用于伪全色图像形成的青色调色剂，其色度点在色度图上更接近于黄色色调，与用于全色的真正青色调色剂相比 彩色图像形成。

公开(公告)号：US20070217801A1

公开(公告)日：2007-09-20

申请号：US11704237

申请日：2007-02-09

申请人： Toshio Tsuboi ,  Masaki Tanaka ,  Tatsuya Isono ,  Mitsuru Obara ,  Katsuyuki Hirata

发明人： Toshio Tsuboi ,  Masaki Tanaka ,  Tatsuya Isono ,  Mitsuru Obara ,  Katsuyuki Hirata

IPC分类号： G03G15/00 ,  G03G15/16

CPC分类号： G03G15/0131 ,  G03G15/1665 ,  G03G2215/0119

摘要： An image forming apparatus has a structure in which a toner image formed in an electrophotographic process is transferred from an intermediate transfer belt to a member to be transferred. The apparatus includes a secondary transfer roller that becomes a pressure contact state with respect to the intermediate transfer belt to make it perform a transfer process and can move between the pressure contact state and a separated state, and a press and separation driving device for driving the secondary transfer roller to become the pressure contact state and the separated state. The pressure contact state or the separated state of the secondary transfer roller is detected in accordance with a variation of an output of an IDC sensor for detecting a state of a bare surface of the intermediate transfer belt.

摘要翻译： 图像形成装置具有将电子照相处理中形成的调色剂图像从中间转印带转印到要转印的构件的结构。 该装置包括二次转印辊，该二次转印辊相对于中间转印带成为压力接触状态，使其进行转印处理并且能够在压力接触状态和分离状态之间移动;以及压力分离驱动装置，用于驱动 二次转印辊成为压接状态和分离状态。 根据用于检测中间转印带的裸露表面的状态的IDC传感器的输出的变化来检测二次转印辊的压力接触状态或分离状态。