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51. 发明申请

US20070030548A1 Apparatus for generating pulse-modulated signal 审中-公开
标题翻译：用于产生脉冲调制信号的装置
公开(公告)号：US20070030548A1
公开(公告)日：2007-02-08
申请号：US11494528
申请日：2006-07-28
申请人： Yasuhiro Nihei , Masaaki Ishida , Atsufumi Omori
发明人： Yasuhiro Nihei , Masaaki Ishida , Atsufumi Omori
IPC分类号： G02B26/08
CPC分类号： H04N1/40037 , H04N1/23
摘要： An apparatus for generating a pulse modulated signal having pulses corresponding to binary values of pixels of image data includes a modulation-data generating unit configured to generate modulation data in response to pixel control data and the image data, the modulation data including a predetermined number of bits for a pixel of the image data, wherein consecutive bits having bit positions responsive to the pixel control data in a line of the predetermined number of bits have a value responsive to a binary value of the pixel, and a modulated-signal generating unit configured to generate a pulse modulated signal in response to the modulation data.
摘要翻译：用于生成具有与图像数据的像素的二进制值相对应的脉冲的脉冲调制信号的装置包括：调制数据生成单元，被配置为响应于像素控制数据和图像数据生成调制数据，调制数据包括预定数量的用于图像数据的像素的位，其中响应于预定位数的行中的像素控制数据的位位置的连续位具有响应于像素的二进制值的值，以及调制信号生成单元以响应于调制数据产生脉冲调制信号。

52. 发明授权

US06917639B2 Laser driver circuit 有权
标题翻译：激光驱动电路
公开(公告)号：US06917639B2
公开(公告)日：2005-07-12
申请号：US10214559
申请日：2002-08-09
申请人： Masaaki Ishida , Hidetoshi Ema , Yasuhiro Nihei , Hiroaki Kyougoku , Atsufumi Omori
发明人： Masaaki Ishida , Hidetoshi Ema , Yasuhiro Nihei , Hiroaki Kyougoku , Atsufumi Omori
IPC分类号： H01S5/042 , H01S5/0683 , H01S3/00 , H01S3/13
CPC分类号： H01S5/042 , H01S5/0427 , H01S5/0683
摘要： A laser driver circuit includes a biasing current source, a threshold current source, and a modulation current source, wherein the threshold current source produces a threshold current in response to an input signal with an interval exceeding an interval of a modulation current such that said interval of the threshold current includes the interval of said modulation current. The laser driver circuit drives the laser diode by a sum of a continuous bias current, the threshold current and the modulation current.
摘要翻译：激光驱动器电路包括偏置电流源，阈值电流源和调制电流源，其中阈值电流源响应输入信号产生阈值电流，间隔超过调制电流的间隔，使得所述间隔阈值电流包括所述调制电流的间隔。激光驱动电路通过连续偏置电流，阈值电流和调制电流的和来驱动激光二极管。

53. 发明授权

US08089665B2 Optical scanning device moving gravity center of pixel in sub-scanning direction, image forming apparatus having light sources, and method 有权
标题翻译：光扫描装置沿副扫描方向移动像素的重心，具有光源的成像装置和方法
公开(公告)号：US08089665B2
公开(公告)日：2012-01-03
申请号：US11925292
申请日：2007-10-26
申请人： Atsufumi Omori , Masaaki Ishida , Yasuhiro Nihei , Jun Tanabe
发明人： Atsufumi Omori , Masaaki Ishida , Yasuhiro Nihei , Jun Tanabe
IPC分类号： H04N1/04
CPC分类号： H04N1/0402 , B41J2/473 , H04N1/0414 , H04N1/0458 , H04N1/1911 , H04N1/1916
摘要： An optical scanning device includes n-odd (n≧2) light sources disposed at different positions at least in a sub-scanning direction, a pixel forming part in which one pixel is depicted by light beams emitted from m-odd (n≧m≧2) light sources of the n-odd light sources and a distance of adjacent light sources for emitting the light beams in the sub-scanning direction is less than 5 μm, and a light source driving control part configured to control an emitting state of the light sources for depicting the one pixel and conduct an emission driving control for moving a gravity center of the one pixel in the sub-scanning direction.
摘要翻译：光扫描装置包括至少在副扫描方向上设置在不同位置的n奇（n≥2）个光源，像素形成部分，其中由m奇数（n≥m）发射的光束描绘一个像素 ≥2）个奇数光源的光源和在副扫描方向上发射光的相邻光源的距离小于5μm，光源驱动控制部被配置为控制发光状态用于描绘一个像素并且执行用于沿副扫描方向移动一个像素的重心的发射驱动控制的光源。

54. 发明申请

US20080291259A1 LIGHT SOURCE DRIVING DEVICE, LIGHT SCANNING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：光源驱动装置，光扫描装置和图像形成装置
公开(公告)号：US20080291259A1
公开(公告)日：2008-11-27
申请号：US12126103
申请日：2008-05-23
申请人： Yasuhiro NIHEI , Masaaki Ishida , Atsufumi Omori , Jun Tanabe
发明人： Yasuhiro NIHEI , Masaaki Ishida , Atsufumi Omori , Jun Tanabe
IPC分类号： B41J2/435
CPC分类号： B41J2/473
摘要： A light source driving device which drives a plurality of light emitting parts provided in a light source to emit a plurality of light beams based on image information, includes a plurality of driving circuits configured to drive the plurality of light emitting parts. Each of the driving circuits includes a signal generation circuit that generates a modulation signal to control a light emitting intensity of the corresponding light emitting part based on the image information, a detection circuit that detects a light emitting status of the corresponding light emitting part; and a light emitting circuit that outputs a driving signal to the corresponding light emitting part to emit a light beam in accordance with the modulation signal and adjustment data obtained based on the light emitting status of at least one of the plurality of light emitting parts.
摘要翻译：基于图像信息驱动设置在光源中以发射多个光束的多个发光部分的光源驱动装置包括被配置为驱动多个发光部分的多个驱动电路。每个驱动电路包括：信号产生电路，产生基于图像信息来控制对应的发光部分的发光强度的调制信号;检测电路，其检测对应的发光部分的发光状态; 以及发光电路，其根据所述调制信号和基于所述多个发光部中的至少一个发光部的发光状态获得的调整数据，向对应的发光部输出驱动信号以发射光束。

55. 发明授权

US07256815B2 Image forming method, image forming apparatus, optical scan device, and image forming apparatus using the same 有权
标题翻译：图像形成方法，图像形成装置，光学扫描装置和使用其的图像形成装置
公开(公告)号：US07256815B2
公开(公告)日：2007-08-14
申请号：US10323837
申请日：2002-12-20
申请人： Seizo Suzuki , Masaaki Ishida , Atsufumi Omori , Magane Aoki , Yasuhiro Nihei
发明人： Seizo Suzuki , Masaaki Ishida , Atsufumi Omori , Magane Aoki , Yasuhiro Nihei
IPC分类号： B41J2/435
CPC分类号： G02B26/123 , B41J2/473
摘要： An optical scan device having an optical deflector reflecting a light beam from a light beam source so as to deflect the light beam and having a surface to be scanned on which information is written such that the light beam deflected by the deflector scans the surface is disclosed. Optical detectors are arranged at least in two locations, a start side of writing and an end side of writing, which locations are outside an effective writing area. A measuring part measures a scan time required by the light beam deflected by the optical deflector to scan a range between the optical detectors. A correcting part corrects each dot position of image data in the effective writing area to an arbitrary position based on a variation amount of the measured scan time.
摘要翻译：一种光学扫描装置，其具有反射来自光束源的光束的光学偏转器，以便偏转光束并且具有写入信息的要被扫描的表面，使得偏转器偏转的光束扫描该表面。光检测器至少布置在写入的起始侧和写入的结束侧的两个位置中，哪些位置在有效写入区域之外。测量部件测量由光学偏转器偏转的光束所需的扫描时间，以扫描光学检测器之间的范围。校正部分基于测量的扫描时间的变化量将有效写入区域中的图像数据的每个点位置校正到任意位置。

56. 发明申请

US20100119262A1 LIGHT SOURCE DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：光源设备，光学扫描设备和图像形成设备
公开(公告)号：US20100119262A1
公开(公告)日：2010-05-13
申请号：US12609087
申请日：2009-10-30
申请人： Atsufumi Omori , Yasuhiro Nihei , Jun Tanabe
发明人： Atsufumi Omori , Yasuhiro Nihei , Jun Tanabe
IPC分类号： G03G15/04 , H01J7/24
CPC分类号： F21V29/74 , F21V29/677 , G02B26/123 , G03G15/0435 , G03G15/326 , G03G2221/1636 , H04N1/1135 , H04N1/1911 , H04N1/1917 , H04N2201/0082 , H05K1/0201 , H05K1/0209 , H05K2201/062 , H05K2201/066 , H05K2201/09781 , H05K2201/10522 , H05K2201/10689
摘要： A light source device includes a light source that includes a plurality of light emitting units, a drive circuit that drives the light source, and a circuit board on which the light source is mounted in a first area and the drive circuit is mounted in a second area and which includes a radiation mechanism between the first area and the second area for heat from the drive circuit.
摘要翻译：光源装置包括：光源，其包括多个发光单元;驱动电路，其驱动光源;以及电路板，光源安装在第一区域中，驱动电路安装在第二区域中并且其包括在第一区域和第二区域之间的用于来自驱动电路的热量的辐射机构。

57. 发明授权

US09961227B2 Light source drive control device, image forming apparatus, light source drive control method, and computer program product 有权
公开(公告)号：US09961227B2
公开(公告)日：2018-05-01
申请号：US15015364
申请日：2016-02-04
申请人： Atsufumi Omori , Masaaki Ishida , Muneaki Iwata , Hayato Fujita
发明人： Atsufumi Omori , Masaaki Ishida , Muneaki Iwata , Hayato Fujita
IPC分类号： G06F15/00 , H04N1/04 , H04N1/00 , H04N1/409 , H04N1/40
CPC分类号： H04N1/0446 , H04N1/00822 , H04N1/0408 , H04N1/40037 , H04N1/40068 , H04N1/4092
摘要： A light source drive control device includes: an image data generating part that generates line-thinned image data having been subjected to line thinning processing for thinning an edge pixel in image data by a first pixel width; an intensity information generating part that generates intensity information including a first intensity at which a pixel not included in a set second pixel width of an edge in the line-thinned image data is exposed and a second intensity at which a pixel included in the second pixel width is exposed and which is higher than the first intensity; and a light source driving part that drives a light source based on a light source modulation signal generated according to the line-thinned image data and a drive current data switched based on a drive current switching signal generated based on the intensity information.

58. 发明授权

US09466016B2 Image forming apparatus which forms image data indicating whether a pixel is for a character or line 有权
标题翻译：图像形成装置，其形成指示像素是针对字符还是线的图像数据
公开(公告)号：US09466016B2
公开(公告)日：2016-10-11
申请号：US14796385
申请日：2015-07-10
申请人： Muneaki Iwata , Masaaki Ishida , Atsufumi Omori , Naoto Watanabe , Hayato Fujita
发明人： Muneaki Iwata , Masaaki Ishida , Atsufumi Omori , Naoto Watanabe , Hayato Fujita
IPC分类号： G06F15/00 , G06K1/00 , G06K15/02 , G06K15/14 , G06F3/12 , G06K15/00
CPC分类号： G06K15/1874 , G06F3/1208 , G06F3/122 , G06K15/14 , G06K15/1822 , G06K15/4055 , H04N1/40062 , H04N1/40068
摘要： An apparatus includes an image-processing-unit that generates tag information indicating whether each of pixels of a first-resolution image data is a pixel of a character or a line, a resolution-converting-unit that converts the first-resolution image data to image data with a second resolution higher than the first resolution, and a light-source-driving-unit that drives light-source according to the second-resolution image data. The resolution-converting-unit includes an image-matrix-acquiring-unit that acquires an image matrix being image data and tag information with the first resolution in an area containing a target-pixel and pixels around the target-pixel, a pattern-matching-unit that determines whether the target-pixel is a pixel of an edge of a character or a line based on the image matrix, and a first-converting-unit that, when the pixel is the edge pixel, converts the image data to image data with the second resolution of a pattern determined in accordance with a layout of the target-pixel.
摘要翻译：一种装置，包括：图像处理单元，生成指示第一分辨率图像数据的每个像素是字符或行的像素的标签信息;将第一分辨率图像数据转换为具有比第一分辨率高的第二分辨率的图像数据，以及根据第二分辨率图像数据驱动光源的光源驱动单元。分辨率转换单元包括图像矩阵获取单元，其在包含目标像素和目标像素周围的像素的区域中获取作为图像数据的图像矩阵和具有第一分辨率的标签信息，模式匹配 - 基于图像矩阵确定目标像素是字符边缘还是直线的像素的单位，以及当像素为边缘像素时，将图像数据转换为图像的第一转换单元具有根据目标像素的布局确定的图案的第二分辨率的数据。

59. 发明授权

US09298122B2 Image forming apparatus, image forming method, and method of producing printed material for generating a parallel line pattern of uniform concentration 有权
标题翻译：图像形成装置，图像形成方法以及用于产生均匀浓度的平行线图案的印刷材料的制造方法
公开(公告)号：US09298122B2
公开(公告)日：2016-03-29
申请号：US14268463
申请日：2014-05-02
申请人： Muneaki Iwata , Masaaki Ishida , Atsufumi Omori , Hayato Fujita
发明人： Muneaki Iwata , Masaaki Ishida , Atsufumi Omori , Hayato Fujita
IPC分类号： G06K15/00 , H04N1/40 , G03G15/043 , H04N1/405 , H04N1/409 , G03G15/04
CPC分类号： G03G15/043 , G03G15/04027 , H04N1/40068 , H04N1/4058 , H04N1/4092
摘要： An image forming apparatus includes: a pseudo-halftone processing unit that processes input image data to output image data of first resolution; a resolution converting unit that converts the image data of the first resolution into image data of second resolution that is higher than the first resolution; a modulation-signal generating unit that generates a modulation signal obtained by modulating the image data of the second resolution according to a clock signal; and a light-source driving unit that drives a light source according to the modulation signal. The pseudo-halftone processing unit converts a region of pixels having the same pixel value into a parallel line pattern that is formed with a plurality of parallel lines oblique relative to a direction of arrangement of pixels. The resolution converting unit generates the image data o in which each edge of the lines forming the parallel line pattern is smoothed.
摘要翻译：一种图像形成装置包括：伪半色调处理单元，其处理输入图像数据以输出第一分辨率的图像数据; 分辨率转换单元，其将第一分辨率的图像数据转换成高于第一分辨率的第二分辨率的图像数据; 调制信号生成单元，其生成通过根据时钟信号调制所述第二分辨率的图像数据而获得的调制信号; 以及根据调制信号驱动光源的光源驱动单元。伪半色调处理单元将具有相同像素值的像素的区域转换为平行线图案，该平行线图案形成有相对于像素排列方向倾斜的多条平行线。分辨率转换单元生成图像数据o，其中形成平行线图案的线的每个边缘被平滑化。

60. 发明授权

US08957934B2 Light source drive circuit, optical scanning apparatus, semiconductor drive circuit, and image forming apparatus 有权
标题翻译：光源驱动电路，光扫描装置，半导体驱动电路和图像形成装置
公开(公告)号：US08957934B2
公开(公告)日：2015-02-17
申请号：US14072946
申请日：2013-11-06
申请人： Hayato Fujita , Atsufumi Omori , Muneaki Iwata , Masaaki Ishida
发明人： Hayato Fujita , Atsufumi Omori , Muneaki Iwata , Masaaki Ishida
IPC分类号： B41J2/435 , B41J2/47 , H01S5/06 , H05B37/02 , H01S5/042 , G06K15/12 , H01S5/068
CPC分类号： H01S5/0425 , B41J2/435 , B41J2/455 , B41J2/471 , G06K15/1209 , H01S5/0261 , H01S5/0427 , H01S5/06 , H01S5/068 , H01S5/183 , H05B37/02 , Y02B20/202
摘要： A light source drive circuit which drives a light source is disclosed, including a drive current generating unit which generates a drive current, the driving current including a predetermined current for obtaining a predetermined light amount from the light source; and first and second overshoot currents which are applied to the predetermined current in synchronization thereto; and a control unit which sets, to the drive current generating unit, a value of the first overshoot current to a fixed value, and a value of the second overshoot current in accordance with a light amount output from the light source.
摘要翻译：公开了一种驱动光源的光源驱动电路，包括产生驱动电流的驱动电流产生单元，包括用于从光源获得预定光量的预定电流的驱动电流; 以及与其同步地施加到预定电流的第一和第二过冲电流; 以及控制单元，其根据从光源输出的光量将驱动电流产生单元的第一过冲电流的值设定为固定值，以及第二过冲电流的值。

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