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1. 发明授权

US09779334B2 Light-source-driving control device, image forming apparatus, and light-source driving method 有权
公开(公告)号：US09779334B2
公开(公告)日：2017-10-03
申请号：US15201701
申请日：2016-07-05
申请人： Mitsutaka Iwasaki
发明人： Mitsutaka Iwasaki
IPC分类号： G06K15/12 , G03G15/043 , G03G15/01
CPC分类号： G06K15/1223 , G03G15/01 , G03G15/043
摘要： A light-source-driving control device thins a pixel at an edge portion of image data by a first pixel width; sets a second pixel width at the edge portion such that a ratio between the first and second pixel widths is constant; creates light amount information including a first light amount with which a pixel not included in the set second pixel width is exposed, and a second light amount with which a pixel included in the second pixel width is exposed; selects the first or second light amount based on a power-modulation control signal; drives light sources according to the selected light amount and a light-source-modulation pulse signal; and counts an addition value of pixel density considering a pixel width and a light amount, based on a data-width setting signal based on the second pixel width, and on a light-amount setting signal based on the light amount information.

2. 发明授权

US09686428B2 Equipment to determine line width of check image and image-forming apparatus using the same 有权
公开(公告)号：US09686428B2
公开(公告)日：2017-06-20
申请号：US15052196
申请日：2016-02-24
申请人： KONICA MINOLTA, INC.
发明人： Takashi Harashima , Takaaki Kooriya , Katsuyuki Hirata
IPC分类号： H04N1/00 , H04N1/40 , H04N1/409 , G06K15/00 , G06K9/18 , G06K9/46 , G06K7/00 , G06K7/10 , G06K7/14 , G06T5/00 , G06T7/00 , G06K15/12 , G06K15/02 , G06T7/13
CPC分类号： H04N1/00334 , G06K7/0095 , G06K7/10851 , G06K7/1413 , G06K7/1452 , G06K7/146 , G06K7/1486 , G06K9/183 , G06K9/4604 , G06K15/00 , G06K15/1223 , G06K15/1872 , G06T5/003 , G06T7/13 , G06T2207/20192 , H04N1/40037 , H04N1/4092
摘要： In image-checking equipment, a detector reads a line-shaped check image formed on a sheet and acquires image data on the check image. A controller calculates an edge blur in a rising edge and a falling edge of the image data, calculates a line width of the check image. The controller refers to a correction table with the measured values of the edge blur and the line width of the check image, and acquires a corrected line width value based on the correction table to obtain the real line width of the check image.

3. 发明授权

US09202147B2 Image forming system including an image reading unit in a paper conveying path downstream from an image forming unit 有权
标题翻译：图像形成系统，包括在图像形成单元下游的纸张输送路径中的图像读取单元
公开(公告)号：US09202147B2
公开(公告)日：2015-12-01
申请号：US14286732
申请日：2014-05-23
申请人： KONICA MINOLTA, INC.
发明人： Toru Kawabe , Makoto Ikeda , Mieko Ohkawa , Daisuke Genda
IPC分类号： G06K15/00 , G06K15/02 , G06K1/12 , G06K15/12
CPC分类号： G06K15/027 , G06K1/121 , G06K15/1223
摘要： Disclosed is an image forming system, including: a conveying unit configured to convey recording paper; an image forming unit configured to print an image on the recording paper; an image reading unit configured to optically read the recording paper and to obtain a read image; and a correction control unit configured to control an execution of a test operation in which a test pattern including one or more thin lines are printed on the recording paper by the image forming unit and in which the test pattern is read by the image reading unit, to collect information indicting operation state of each unit in the execution of the test operation, to evaluate the thin lines in the read image obtained in the test operation in consideration of the collected information and to carry out a correction relating to printing of a specified thin line.
摘要翻译：公开了一种图像形成系统，包括：传送单元，被配置为传送记录纸; 图像形成单元，被配置为在记录纸上打印图像; 图像读取单元，被配置为光学地读取所述记录纸并获得读取的图像; 以及校正控制单元，被配置为控制测试操作的执行，其中由图像形成单元将包括一条或多条细线的测试图案打印在记录纸上，并且其中测试图案被图像读取单元读取，在执行测试操作时收集每个单元的信息指示操作状态，以便考虑所收集的信息来评估在测试操作中获得的读取图像中的细线，并执行与指定薄片的打印相关的校正线。

4. 发明授权

US08625149B2 Apparatus and method controlling zooming process at laser device for high-speed high-resolution double-sided printing without wide-ranged image degradation or banding 有权
标题翻译：用于高速高分辨率双面打印的激光装置的放大处理的装置和方法，无需广泛的图像劣化或条带
公开(公告)号：US08625149B2
公开(公告)日：2014-01-07
申请号：US13918359
申请日：2013-06-14
申请人： Nobuyoshi Kaima
发明人： Nobuyoshi Kaima
IPC分类号： H04N1/393 , H04N1/409 , G06K15/12 , H04N1/387 , H04N1/40 , G06K9/46 , G06K9/62 , G06K15/02 , B41J2/47 , G03G15/23
CPC分类号： G06K9/6201 , B41J2/473 , G03G15/04036 , G03G15/0435 , G03G15/23 , G03G15/234 , G06K9/4609 , G06K15/1219 , G06K15/1223 , G06K15/18 , G06K15/1843 , G06K15/1872 , H04N1/3873 , H04N1/3876 , H04N1/3935 , H04N1/40068 , H04N1/409
摘要： An image forming apparatus includes a positioning unit that acquires a misalignment amount of a pixel in a main-scanning direction and a sub-scanning direction, the pixel as a reference pixel for zooming image data, and decides a position of a pixel as a correction target, based on the misalignment amount; a correcting unit that corrects the pixel; a zooming unit that controls the positioning unit and the correcting unit so as to repeatedly perform the positioning process and the correction process on a pixel line; a pattern recognition unit that performs pattern matching on a predetermined pattern and a predetermined pixel line; and a pixel position changing unit that shifts the decided pixel position in the sub-scanning direction, wherein the zooming unit performs the zooming process on the pixel line of the sub-scanning direction including the pixel that is located at shifted pixel position.
摘要翻译：图像形成装置包括：定位单元，其获取主扫描方向和副扫描方向上的像素的未对准量，所述像素作为用于缩放图像数据的参考像素，并且将像素的位置确定为校正目标，基于不对准量; 修正像素的校正单元; 变焦单元，其控制所述定位单元和所述校正单元，以在像素线上重复执行定位处理和校正处理; 图案识别单元，其对预定图案和预定像素线执行图案匹配; 以及像素位置改变单元，其在所述副扫描方向上移动所确定的像素位置，其中，所述变焦单元对包括位于移位像素位置处的像素的副扫描方向的像素行执行变焦处理。

5. 发明申请

US20130242315A1 CONTROL APPARATUS FOR CONTROLLING PROCESS FOR PRINTING 有权
标题翻译：控制打印过程控制装置
公开(公告)号：US20130242315A1
公开(公告)日：2013-09-19
申请号：US13768496
申请日：2013-02-15
申请人： Takuya SHIMAHASHI
发明人： Takuya SHIMAHASHI
IPC分类号： G06F3/12
CPC分类号： G03G15/043 , G06K15/1223 , G06K15/129 , G06K15/1881
摘要： In a control apparatus, first type binary image data representing density of pixels arranged along a first image direction at a first resolution is acquired, and a first determining process is executed to determine an exposure pattern used to execute exposures of exposure lines at a second resolution lower than the first resolution along a first exposure direction. In the first determining process, a partial exposure pattern for exposing an output partial area that is correlated with a binary partial area and that overlaps N successive exposure lines is determined such that distribution of exposure amounts in the output partial area along the first exposure direction differs according to layout of second-value pixels in the binary partial area at least in the first image direction, thereby enabling an image of color material to be formed through development at a resolution higher than the second resolution in the first exposure direction.
摘要翻译：在控制装置中，获取代表以第一分辨率沿着第一图像方向布置的像素的密度的第一类型二进制图像数据，并且执行第一确定处理以确定用于以第二分辨率执行曝光线的曝光的曝光图案低于第一分辨率沿着第一曝光方向。在第一确定处理中，确定用于曝光与二进制部分区域相关并且与N个连续曝光线重叠的输出部分区域的部分曝光图案，使得沿着第一曝光方向在输出部分区域中的曝光量的分布不同根据至少在第一图像方向的二进制部分区域中的二值像素的布局，从而能够以比第一曝光方向上的第二分辨率高的分辨率通过显影形成彩色材料的图像。

6. 发明申请

US20100231940A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20100231940A1
公开(公告)日：2010-09-16
申请号：US12721012
申请日：2010-03-10
申请人： Nobuyoshi KAIMA
发明人： Nobuyoshi KAIMA
IPC分类号： G06K15/00
CPC分类号： G06K9/6201 , B41J2/473 , G03G15/04036 , G03G15/0435 , G03G15/23 , G03G15/234 , G06K9/4609 , G06K15/1219 , G06K15/1223 , G06K15/18 , G06K15/1843 , G06K15/1872 , H04N1/3873 , H04N1/3876 , H04N1/3935 , H04N1/40068 , H04N1/409
摘要： An image forming apparatus includes a positioning unit that acquires a misalignment amount of a pixel in a main-scanning direction and a sub-scanning direction, the pixel as a reference pixel for zooming image data, and decides a position of a pixel as a correction target, based on the misalignment amount; a correcting unit that corrects the pixel; a zooming unit that controls the positioning unit and the correcting unit so as to repeatedly perform the positioning process and the correction process on a pixel line; a pattern recognition unit that performs pattern matching on a predetermined pattern and a predetermined pixel line; and a pixel position changing unit that shifts the decided pixel position in the sub-scanning direction, wherein the zooming unit performs the zooming process on the pixel line of the sub-scanning direction including the pixel that is located at shifted pixel position.
摘要翻译：图像形成装置包括：定位单元，其获取主扫描方向和副扫描方向上的像素的未对准量，所述像素作为用于缩放图像数据的参考像素，并且将像素的位置确定为校正目标，基于不对准量; 修正像素的校正单元; 变焦单元，其控制所述定位单元和所述校正单元，以在像素线上重复执行定位处理和校正处理; 图案识别单元，其对预定图案和预定像素线执行图案匹配; 以及像素位置改变单元，其在所述副扫描方向上移动所确定的像素位置，其中，所述变焦单元对包括位于移位像素位置处的像素的副扫描方向的像素行执行变焦处理。

7. 发明授权

US07782355B2 Image forming apparatus using a plurality of lasers with a varying exposure ratio 有权
标题翻译：使用具有不同曝光比的多个激光器的图像形成装置
公开(公告)号：US07782355B2
公开(公告)日：2010-08-24
申请号：US12118986
申请日：2008-05-12
申请人： Makoto Oki
发明人： Makoto Oki
IPC分类号： B41J2/47
CPC分类号： G03G15/28 , G02B26/123 , G06K15/1223
摘要： An electrostatic latent image is formed by exposing the same exposure point on a photosensitive drum to a laser beam having an emission wavelength of 420 nm and a laser beam having an emission wavelength of 780 nm. The exposure is performed in a pulse-height modulation manner by changing a total output of these two laser beams to write the electrostatic latent image while changing an output ratio between the two laser beams depending on the total output.
摘要翻译：通过将感光鼓上的相同曝光点曝光到发射波长为420nm的激光束和发射波长为780nm的激光束来形成静电潜像。通过改变这两个激光束的总输出以在根据总输出改变两个激光束之间的输出比的同时写入静电潜像来以脉冲高度调制方式进行曝光。

8. 发明授权

US07542064B2 Image forming apparatus and method of controlling same 失效
标题翻译：图像形成装置及其控制方法
公开(公告)号：US07542064B2
公开(公告)日：2009-06-02
申请号：US11350775
申请日：2006-02-10
申请人： Tsuyoshi Moriyama , Katsumi Takahashi , Atsushi Chaki , Takahiko Yamaoka
发明人： Tsuyoshi Moriyama , Katsumi Takahashi , Atsushi Chaki , Takahiko Yamaoka
IPC分类号： G06F3/00 , B41J2/435 , B41J2/44
CPC分类号： G06K15/1223 , G03G15/04072 , G03G15/043 , G03G15/326
摘要： Whether an image to be formed has a prescribed M×N pixel pattern is determined by a comparator. If it is determined that the image has the prescribed M×N pixel pattern, then a light-quantity correction signal that is for reducing the current that flows through a semiconductor laser is output to a laser driving circuit when the laser emits a laser beam of a pixel of interest contained in the M×N pixel pattern.
摘要翻译：要形成的图像是否具有规定的M×N像素图案由比较器确定。如果确定图像具有规定的M×N像素图案，则当激光发射像素的激光束时，将用于减小流过半导体激光器的电流的光量校正信号输出到激光驱动电路感兴趣包含在MxN像素图案中。

9. 发明申请

US20080285991A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20080285991A1
公开(公告)日：2008-11-20
申请号：US12118986
申请日：2008-05-12
申请人： Makoto Oki
发明人： Makoto Oki
IPC分类号： G03G15/043
CPC分类号： G03G15/28 , G02B26/123 , G06K15/1223
摘要： An electrostatic latent image is formed by exposing the same exposure point on a photosensitive drum to a laser beam having an emission wavelength of 420 nm and a laser beam having an emission wavelength of 780 nm. The exposure is performed in a pulse-height modulation manner by changing a total output of these two laser beams to write the electrostatic latent image while changing an output ratio between the two laser beams depending on the total output.
摘要翻译：通过将感光鼓上的相同曝光点曝光到发射波长为420nm的激光束和发射波长为780nm的激光束来形成静电潜像。通过改变这两个激光束的总输出以在根据总输出改变两个激光束之间的输出比的同时写入静电潜像来以脉冲高度调制方式进行曝光。

10. 发明申请

US20070035609A1 Print head driving method and image formation apparatus using the same 有权
标题翻译：打印头驱动方法和使用其的图像形成装置
公开(公告)号：US20070035609A1
公开(公告)日：2007-02-15
申请号：US11500282
申请日：2006-08-08
申请人： Katsuya Hiraga , Yukihiko Shimizu
发明人： Katsuya Hiraga , Yukihiko Shimizu
IPC分类号： B41J2/385
CPC分类号： B41J2/45 , G06K15/1223 , G06K15/1247
摘要： A print head driving method controls a gradation of a print head employing an array light source of a lower resolution and an array light source of a higher resolution based on image data represented by 2n bits, wherein n is zero or a positive integer, and both of the array light sources are gradation-controlled by combining a pulse weight-application method and a pulse accumulation method. Further, a image formation apparatus controls a gradation of a print head employing an array light source of a lower resolution and an array light source of a higher resolution based on image data represented by 2n bits, wherein n is 0 or a positive integer, and both of the array light sources are controlled by a gradation control method employing a simple combination of a pulse weight-application method and a pulse accumulation method.
摘要翻译：打印头驱动方法基于由2位n位表示的图像数据来控制采用较低分辨率的阵列光源的打印头和更高分辨率的阵列光源的灰度级，其中n为零或正整数，并且通过组合脉冲重量施加方法和脉冲累积方法对阵列光源进行灰度控制。此外，图像形成装置基于由2位n位表示的图像数据来控制采用较低分辨率的阵列光源和较高分辨率的阵列光源的打印头的灰度，其中n 是0或正整数，并且通过使用脉冲加权施加方法和脉冲累积方法的简单组合的灰度控制方法来控制两个阵列光源。

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