公开(公告)号：US06496212B1

公开(公告)日：2002-12-17

申请号：US09461210

申请日：1999-12-15

申请人： Koji Tanimoto ,  Kenichi Komiya ,  Jun Sakakibara ,  Naoaki Ide ,  Toshimitsu Ichiyanagi

发明人： Koji Tanimoto ,  Kenichi Komiya ,  Jun Sakakibara ,  Naoaki Ide ,  Toshimitsu Ichiyanagi

IPC分类号： B41J247

CPC分类号： B41J2/473 ,  G02B26/127 ,  H04N1/0473 ,  H04N1/1135 ,  H04N1/1911 ,  H04N2201/02439 ,  H04N2201/04712 ,  H04N2201/04734 ,  H04N2201/04744 ,  H04N2201/04749 ,  H04N2201/04762 ,  H04N2201/04794

摘要： A light beam position detecting device detects the passage positions of a plurality of light beams for scanning the surface of a photosensitive drum. The light beam position detecting device has a sensor pattern for generating an output which is continuously changed in a wide range with a variation in the passage position of the light beam in a sub-scanning direction perpendicular to a main scanning direction of the light beam. The sensor pattern precisely detects the relative scanning position of the light beam in a wide range. The passage positions of the plurality of light beams for scanning the surface of the photosensitive drum are controlled to a preset position based on the output of the sensor pattern.

公开(公告)号：USRE43892E1

公开(公告)日：2013-01-01

申请号：US13212823

申请日：2011-08-18

申请人： Jun Sakakibara ,  Koji Tanimoto

发明人： Jun Sakakibara ,  Koji Tanimoto

IPC分类号： H04N1/46 ,  H04N1/04

CPC分类号： H04N1/407 ,  H04N1/486

摘要： A four-line CCD sensor is structured by line sensors R, G, B in which color fillers are respectively disposed on surfaces of light receiving elements, and a line sensor BK at which no color filter is disposed. Amplitudes of signals which are outputted from the line sensors R, G, B at a time of reading a color document, and an amplitude of a signal which is outputted from the line sensor BK at a time of reading a monochrome document are adjusted so as to be substantially equal to one another. In a case in which a color document is read, outputs of the line sensors R, G, B are selectively provided, and in a case in which a monochrome document is read, output of the line sensor BK is selectively provided.

摘要翻译： 四线CCD传感器由线传感器R，G，B构成，其中彩色填充物分别设置在光接收元件的表面上，线传感器BK不设置滤色器。 在读取彩色文档时从行传感器R，G，B输出的信号的幅度以及在读取单色文档时从行传感器BK输出的信号的幅度被调整为如 彼此基本相等。 在读取彩色文档的情况下，选择性地提供行传感器R，G，B的输出，并且在读取单色文档的情况下，选择性地提供行传感器BK的输出。

公开(公告)号：US08089669B2

公开(公告)日：2012-01-03

申请号：US11874442

申请日：2007-10-18

申请人： Jun Sakakibara ,  Koji Tanimoto

发明人： Jun Sakakibara ,  Koji Tanimoto

IPC分类号： H04N1/46

CPC分类号： H04N1/46 ,  H04N1/00795 ,  H04N1/00806 ,  H04N1/00822 ,  H04N1/00824 ,  H04N1/193 ,  H04N1/2307 ,  H04N1/233 ,  H04N1/2369 ,  H04N1/2392 ,  H04N2201/0091

摘要： It is made possible to determine image characteristics in a reading image while the image of an original is being read. A first line sensor (9R2, 9G2, 9B2) is arranged on a board and reads the original image. A second line sensor (9K1) has a larger number of pixels than the first line sensor and is arranged on the board to read the original image earlier than the first line sensor. An image signal processing characteristic control unit (46) uses an output of the second line sensor as a control signal to control the processing characteristic of the image signal read by the first line sensor.

摘要翻译： 可以在正在读取原稿的图像的同时确定读取图像中的图像特性。 第一行传感器（9R2,9G2,9B2）布置在板上并读取原始图像。 第二行传感器（9K1）具有比第一行传感器更多的像素数量，并且布置在板上以比第一行传感器更早地读取原始图像。 图像信号处理特性控制单元（46）使用第二行传感器的输出作为控制信号来控制由第一行传感器读取的图像信号的处理特性。

公开(公告)号：US07518769B2

公开(公告)日：2009-04-14

申请号：US11806118

申请日：2007-05-30

申请人： Jun Sakakibara ,  Koji Tanimoto

发明人： Jun Sakakibara ,  Koji Tanimoto

IPC分类号： H04N1/46 ,  H04N1/04

CPC分类号： H04N9/045 ,  H04N1/46 ,  H04N5/3692

摘要： A 4-line CCD sensor according to one embodiment of the present invention has a monochromic reading line sensor section and a color reading line sensor section. This 4-line CCD sensor is characterized in that amplification factors for amplifiers 1 to 4 are set so that the amplitude of an output signal from the monochromic reading line sensor section is the same as that of each output signal from the color reading line sensor section. This 4-line CCD sensor is characterized in that the amplification factors for the amplifiers 1 to 4 are set so that the amplitude of each output signal from the color reading line sensor section is smaller than that of an output signal from the monochromic reading line sensor section.

摘要翻译： 根据本发明的一个实施例的4线CCD传感器具有单色读取线传感器部分和彩色读取线传感器部分。 该4线CCD传感器的特征在于放大器1〜4的放大系数被设定为使得来自单色读取线传感器部的输出信号的振幅与来自彩色读取线传感器部的每个输出信号的幅度相同 。 该4线CCD传感器的特征在于，放大器1至4的放大系数被设置为使得来自彩色读取线传感器部分的每个输出信号的幅度小于来自单色读取线传感器的输出信号的振幅 部分。

公开(公告)号：US20070070444A1

公开(公告)日：2007-03-29

申请号：US11221981

申请日：2005-09-09

申请人： Jun Sakakibara ,  Koji Tanimoto

发明人： Jun Sakakibara ,  Koji Tanimoto

IPC分类号： H04N1/04

CPC分类号： H04N1/193 ,  H04N1/41 ,  H04N1/56

摘要： There is provided an image reading apparatus optically reading a document image to produce image data of the document image. This apparatus comprises a first line sensor performing the optical reading and having a predetermined number of pixels and a second line sensor performing the optical reading and having the number of pixels larger than the predetermined number of pixels. In this apparatus, using both of first image information outputted from the first line sensor and second image information outputted from the second line sensor, third image information reflecting resolution of the second image information is produced. Pieces of the first and third image information are then subjected to application of compression, the compression applied to the first image information and that to the third image information being mutually. Resultant pieces of the first and third image information are mutually synthesized to produce the image data of the document image.

摘要翻译： 提供了一种图像读取装置，光学读取文件图像以产生文档图像的图像数据。 该装置包括执行光学读取并且具有预定数量的像素的第一行传感器和执行光学读取并且具有大于预定数量的像素的像素数的第二行传感器。 在该装置中，使用从第一行传感器输出的第一图像信息和从第二行传感器输出的第二图像信息两者，产生反映第二图像信息的分辨率的第三图像信息。 然后对第一和第三图像信息的片段进行压缩，施加到第一图像信息的压缩以及相互的第三图像信息。 第一和第三图像信息的合成部分被相互合成以产生文档图像的图像数据。

公开(公告)号：US20070019255A1

公开(公告)日：2007-01-25

申请号：US11187826

申请日：2005-07-25

申请人： Jun Sakakibara ,  Koji Tanimoto

发明人： Jun Sakakibara ,  Koji Tanimoto

IPC分类号： H04N1/46

CPC分类号： H04N1/486 ,  H04N1/00822 ,  H04N1/193 ,  H04N2201/0416

摘要： A system control unit detects, prior to inputting an image of an original, color information of the original using 3-line image sensors, which are included in 4-line image sensors and have light receiving surfaces provided with color filters, determines whether the original is a monochromatic original or a color original, on the basis of the detected color information, inputs, when it is determined that the original is the monochromatic original, the image of the original using a 1-line image sensor, which is included in the 4-line image sensors and has a light receiving surface provided with no color filter, and inputs, when it is determined that the original is the color original, the image of the original using the 3-line image sensors, which are included in the 4-line image sensors and have the light receiving surfaces provided with the color filters.

摘要翻译： 系统控制单元在输入原稿的图像之前，检测包含在4行图像传感器中并具有设置有滤色器的光接收表面的3行图像传感器的原稿的颜色信息，确定原稿的原稿 是基于检测到的颜色信息的单色原稿或彩色原稿，当确定原稿是单色原稿时，使用1行图像传感器的原稿的图像被包括在 4行图像传感器，并且具有没有滤色器的光接收表面，并且当确定原稿是彩色原稿时，输入使用包括在原稿中的3行图像传感器的原稿的图像 4行图像传感器，并具有设置有滤色器的光接收表面。

公开(公告)号：US06812948B1

公开(公告)日：2004-11-02

申请号：US09461771

申请日：1999-12-15

申请人： Kenichi Komiya ,  Koji Tanimoto ,  Jun Sakakibara ,  Naoaki Ide ,  Toshimitsu Ichiyanagi

发明人： Kenichi Komiya ,  Koji Tanimoto ,  Jun Sakakibara ,  Naoaki Ide ,  Toshimitsu Ichiyanagi

IPC分类号： B41J2435

CPC分类号： H04N1/00015 ,  G02B26/123 ,  H04N1/00037 ,  H04N1/0005 ,  H04N1/1135 ,  H04N1/12 ,  H04N1/1906 ,  H04N1/1911 ,  H04N1/32635 ,  H04N1/32678 ,  H04N2201/02439 ,  H04N2201/04712 ,  H04N2201/04729 ,  H04N2201/04731 ,  H04N2201/04732 ,  H04N2201/04744 ,  H04N2201/04762 ,  H04N2201/04794

摘要： In a digital copying machine using a multi-beam optical system, a sensor pattern senses a light beam directed onto the photosensitive drum and generates current according to the amount of light. The current is converted into a voltage by an operational amplifier acting as a current/voltage conversion amplifier. The output voltage of the operational amplifier is integrated by an integrator. The output of the integrator is converted into a digital signal by an A/D converter, thereby producing luminous energy sensing information. According to the luminous energy sensing information, a laser oscillator is controlled. Between the operational amplifier and integrator, a variable resistor is inserted which absorbs variations in the sensitivity of the sensor pattern or variations in the conversion characteristic of the operational amplifier.

摘要翻译： 在使用多光束光学系统的数字复印机中，传感器图案感测指向感光鼓的光束，并根据光量产生电流。 电流由作为电流/电压转换放大器的运算放大器转换成电压。 运算放大器的输出电压由积分器集成。 积分器的输出由A / D转换器转换为数字信号，从而产生发光能量感测信息。 根据发光能量感测信息，控制激光振荡器。 在运算放大器和积分器之间，插入可变电阻器，其吸收传感器图案的灵敏度的变化或运算放大器的转换特性的变化。

公开(公告)号：US06469730B2

公开(公告)日：2002-10-22

申请号：US09770376

申请日：2001-01-29

申请人： Koji Tanimoto ,  Kenichi Komiya ,  Naoaki Ide ,  Jun Sakakibara

发明人： Koji Tanimoto ,  Kenichi Komiya ,  Naoaki Ide ,  Jun Sakakibara

IPC分类号： B41J2435

CPC分类号： H04N1/4005 ,  B41J2/473 ,  H04N1/0402 ,  H04N1/0411 ,  H04N1/0414 ,  H04N1/0443 ,  H04N1/0455 ,  H04N1/047 ,  H04N1/1135 ,  H04N1/12 ,  H04N1/1911 ,  H04N2201/02439 ,  H04N2201/0471 ,  H04N2201/04712 ,  H04N2201/04729 ,  H04N2201/04731 ,  H04N2201/04732 ,  H04N2201/04734 ,  H04N2201/04744 ,  H04N2201/04762 ,  H04N2201/04786 ,  H04N2201/04789 ,  H04N2201/04791 ,  H04N2201/04794

摘要： Four beams are caused to scan a scanning surface in the main scanning direction in parallel. The beams expose the target area between two optical sensors, not the surface of a photosensitive drum, to produce correction data to correct shifts in the exposure positions of the four beams in the main scanning direction with an accuracy of less than a small fraction of one pixel. On the basis of the correction data, an actual image formation area is set on the photosensitive drum. This makes it possible to always control the relative exposure scanning position accurately even when the relationship between the main scanning positions of the light beams is unknown.

摘要翻译： 使四个光束平行扫描主扫描方向的扫描面。 光束将目标区域暴露在两个光学传感器之间，而不是感光鼓的表面，以产生校正数据，以校正四个光束在主扫描方向上的曝光位置的偏移，精度小于一个 像素。 基于校正数据，在感光鼓上设置实际的图像形成区域。 这使得即使当光束的主扫描位置之间的关系未知时，也可以精确地控制相对曝光扫描位置。

公开(公告)号：US06426767B1

公开(公告)日：2002-07-30

申请号：US09750292

申请日：2000-12-29

申请人： Koji Tanimoto ,  Kenichi Komiya ,  Jun Sakakibara ,  Koji Kawai

发明人： Koji Tanimoto ,  Kenichi Komiya ,  Jun Sakakibara ,  Koji Kawai

IPC分类号： G03G1501

CPC分类号： H04N1/233 ,  G03G2215/0119 ,  H04N1/1135 ,  H04N1/12 ,  H04N1/2369 ,  H04N1/295 ,  H04N1/506 ,  H04N2201/0471 ,  H04N2201/04729 ,  H04N2201/04744 ,  H04N2201/33378

摘要： An image forming apparatus maintains a constant beam scanning state so that light beams scan each drum always in the same state once a desired color overlapping accuracy is obtained by controlling color registration in color image formation. This mechanism achieves constantly fine color overlapping without forming a test pattern several times or consuming toner unnecessarily. A beam passage switch is provided in a laser scanning system. Sensors provided near each photosensitive drum determine whether each light beam has scanned a certain portion with no inclination or a certain scanning area, or whether each image magnification provides a desired size. Sensors for detecting scanning light beam obtains the center of light beam in accordance with information on a point at which the sensors start to respond and another point at which they cease responding, for performing several types of control based on the positional information, which provides correct information even though the size or power is different over sevral light beam.

摘要翻译： 图像形成装置保持恒定的光束扫描状态，使得一旦通过控制彩色图像形成中的颜色配准获得期望的颜色重叠精度，光束将始终处于相同的状态。 这种机制实现了不间断地形成测试图案多次或不必要地消耗调色剂的颜色重叠。 光束通过开关设置在激光扫描系统中。 设置在每个感光鼓附近的传感器确定每个光束是否扫描没有倾斜或某个扫描区域的某个部分，或者每个图像放大是否提供期望的尺寸。 用于检测扫描光束的传感器根据关于传感器开始响应的点的信息和其停止响应的另一个点获得光束中心，用于基于提供正确的位置信息执行几种类型的控制 信息即使大小或功率不同于三光束。

公开(公告)号：US06411321B1

公开(公告)日：2002-06-25

申请号：US09150705

申请日：1998-09-10

申请人： Koji Tanimoto ,  Kenichi Komiya ,  Naoaki Ide ,  Jun Sakakibara

发明人： Koji Tanimoto ,  Kenichi Komiya ,  Naoaki Ide ,  Jun Sakakibara

IPC分类号： B41J2435

摘要： In a digital copying machine using a multi-beam optical system, a sensor pattern SH for sensing the power of each of the light beams a to d scanning the surface of a photosensitive drum and sensor patterns SB1 to SF1, SB2 to SF2 for sensing the passing positions of the beams are provided in a light beam position sensing unit. The sensor patterns SB1 to SF1, SB2 to SF2 are arranged linearly in the sub-scanning direction at intervals corresponding to two resolutions. The power of each light beam on the surface to be scanned is controlled so as to be in a specific range. Even when the light beams are scanned with different resolutions, they can be controlled with high accuracy so as to constantly have an ideal positional relationship between them. This always assures high picture quality.