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1. 发明申请

US20120099165A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20120099165A1
公开(公告)日：2012-04-26
申请号：US13275794
申请日：2011-10-18
申请人： Atsufumi OMORI , Masaaki ISHIDA , Yasuhiro NIHEI , Muneaki IWATA
发明人： Atsufumi OMORI , Masaaki ISHIDA , Yasuhiro NIHEI , Muneaki IWATA
IPC分类号： H04N1/04
CPC分类号： H04N1/506 , G03G15/5058 , H04N1/0473 , H04N1/12 , H04N2201/0471 , H04N2201/04781 , H04N2201/04793
摘要： An image forming apparatus that forms an image includes: a photosensitive element; an optical scanning device that includes a light source, and scans a surface of the photosensitive element in a main scanning direction with light emitted from the light source to form a latent image; a developing unit that develops the latent image; a photosensitive element period detecting sensor that detects a rotation period of the photosensitive element; a density sensor that detects a density variation of an image developed by the developing unit, in a sub scanning direction; and a processing device that corrects a driving signal of the light source according to the image information, based on an output signal of the density sensor and an output signal of the photosensitive element period detecting sensor.
摘要翻译：形成图像的图像形成装置包括：感光元件; 光学扫描装置，其包括光源，并且利用从所述光源发射的光来在所述主扫描方向上扫描所述感光元件的表面以形成潜像; 显影单元，其显影潜像; 感光元件周期检测传感器，其检测感光元件的旋转周期; 密度传感器，其检测由所述显影单元在副扫描方向上显影的图像的浓度变化; 以及处理装置，其基于密度传感器的输出信号和感光元件周期检测传感器的输出信号，根据图像信息校正光源的驱动信号。

2. 发明申请

US20160247050A1 IMAGE FORMING APPARATUS AND METHOD FOR DRIVING LIGHT SOURCE 有权
标题翻译：图像形成装置和驱动光源的方法
公开(公告)号：US20160247050A1
公开(公告)日：2016-08-25
申请号：US15048240
申请日：2016-02-19
申请人： Hayato FUJITA , Masaaki ISHIDA , Atsufumi OMORI , Muneaki IWATA
发明人： Hayato FUJITA , Masaaki ISHIDA , Atsufumi OMORI , Muneaki IWATA
IPC分类号： G06K15/02
CPC分类号： G06K15/1873 , G06K2215/0057 , H04N1/00 , H04N1/00822 , H04N1/0402 , H04N1/2361 , H04N2201/0458 , H04N2201/3252
摘要： An image forming apparatus includes: an image processor configured to perform first image processing on image data having a first resolution and to add tag data to a target pixel where second image processing is to be performed; a resolution converter configured to convert the image data into image data having a second resolution higher than the first resolution, and to perform the second image processing based on arrangement of the image data having the first resolution and the tag data; a pulse generator configured to generate an on-off modulation signal and an application-current switching signal in accordance with the image data having undergone the second image processing; and a light source driver configured to drive the light source in accordance with a current setting value output from an application current setter depending on the application-current switching signal and the on-off modulation signal.
摘要翻译：图像形成装置包括：图像处理器，被配置为对具有第一分辨率的图像数据执行第一图像处理，并且将标签数据添加到要执行第二图像处理的目标像素; 分辨率转换器，被配置为将图像数据转换为具有高于第一分辨率的第二分辨率的图像数据，并且基于具有第一分辨率和标签数据的图像数据的布置来执行第二图像处理; 脉冲发生器，被配置为根据经过第二图像处理的图像数据产生开 - 关调制信号和施加电流切换信号; 以及光源驱动器，被配置为根据应用电流设置器根据应用电流切换信号和开关调制信号输出的电流设定值来驱动光源。

3. 发明申请

US20160234399A1 LIGHT SOURCE DRIVE CONTROL DEVICE, IMAGE FORMING APPARATUS, LIGHT SOURCE DRIVE CONTROL METHOD, AND COMPUTER PROGRAM PRODUCT 有权
标题翻译：光源驱动控制装置，图像形成装置，光源驱动控制方法和计算机程序产品
公开(公告)号：US20160234399A1
公开(公告)日：2016-08-11
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： H04N1/04 , H04N1/00 , 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.
摘要翻译：光源驱动控制装置包括：图像数据生成部，其生成已经进行了用于将图像数据中的边缘像素稀疏第一像素宽度的线间距处理的线稀疏图像数据; 产生强度信息的强度信息生成部，其生成强度信息，所述强度信息包括第一强度，所述第一强度不包括在所述线条稀疏图像数据中的边缘的设定的第二像素宽度中的像素被曝光;以及第二强度，所述第二强度包括所述第二像素宽度暴露，高于第一强度; 以及光源驱动部，其基于根据线条化图像数据生成的光源调制信号和基于基于强度信息生成的驱动电流切换信号而切换的驱动电流数据来驱动光源。

4. 发明申请

US20170017177A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20170017177A1
公开(公告)日：2017-01-19
申请号：US15203081
申请日：2016-07-06
申请人： Muneaki IWATA , Masaaki ISHIDA , Atsufumi OMORI , Hayato FUJITA , Takefumi TAKIZAWA
发明人： Muneaki IWATA , Masaaki ISHIDA , Atsufumi OMORI , Hayato FUJITA , Takefumi TAKIZAWA
IPC分类号： B41J2/385
CPC分类号： G03G15/043 , G03G15/5058
摘要： An image forming apparatus includes a photoconductor drum, a latent-image forming device, a developing device, a density detecting device, and a processing device. The density detecting device is configured to detect densities at a plurality of positions in a main-scanning direction on a developed image. The processing device is configured to acquire at least two light-amount correction tables respectively associated with at least two positions of the plurality of positions in the main-scanning direction on the developed image, the light-amount correction tables being for reducing density variations in a sub-scanning direction at the at least two positions, and correct, for each scan, a set point for setting an amount of light of a light source based on a difference in corresponding correction data between two light-amount correction tables respectively associated with two adjacent positions of the at least two light-amount correction tables.
摘要翻译：图像形成装置包括感光鼓，潜像形成装置，显影装置，浓度检测装置和处理装置。密度检测装置被配置为检测显影图像上的主扫描方向上的多个位置的密度。处理装置被配置为获取分别与显影图像上的主扫描方向上的多个位置中的至少两个位置相关联的至少两个光量校正表，该光量校正表用于减少密度变化在所述至少两个位置处的副扫描方向，并且对于每个扫描，校正用于基于分别与...的光量校正表之间的对应校正数据的差设置光源的光量的设定点所述至少两个光量校正表的两个相邻位置。

5. 发明申请

US20150180200A1 LIGHT SOURCE DRIVE CIRCUIT, OPTICAL SCANNING APPARATUS, SEMICONDUCTOR DRIVE CIRCUIT, AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：光源驱动电路，光学扫描装置，半导体驱动电路和图像形成装置
公开(公告)号：US20150180200A1
公开(公告)日：2015-06-25
申请号：US14622414
申请日：2015-02-13
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： H01S5/042 , B41J2/455 , H01S5/026 , H01S5/183 , 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。

6. 发明申请

US20160274521A1 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：US20160274521A1
公开(公告)日：2016-09-22
申请号：US15067660
申请日：2016-03-11
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： G03G15/00 , G03G15/043
CPC分类号： G03G15/5041 , G03G15/04072 , G03G15/043 , G03G15/5054 , G03G2215/0132 , G03G2215/0164
摘要： An image forming apparatus includes: a photoconductor drum; an optical scanning device that drives a light source to scan a surface of the photoconductor drum and form a latent image on the surface; a developing device that develops the latent image; and a density detector to detect density variation of an image in a rotation direction of the photoconductor drum, the image being developed by the developing device. The optical scanning device includes a processing device that is capable of correcting a driving signal for driving the light source on a basis of an output signal of the density detector to adjust at least either one of a correction period and a correction strength of correction data for the driving signal for a rotation period of the photoconductor drum.
摘要翻译：一种成像设备包括：感光鼓; 光学扫描装置，其驱动光源以扫描感光鼓的表面并在表面上形成潜像; 显影装置，用于显影潜像; 以及密度检测器，用于检测感光鼓的旋转方向上的图像的浓度变化，该图像由显影装置显影。光学扫描装置包括处理装置，该处理装置能够根据密度检测器的输出信号校正用于驱动光源的驱动信号，以调整校正周期和校正数据的校正强度中的至少一个，感光鼓的旋转周期的驱动信号。

7. 发明申请

US20130243459A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130243459A1
公开(公告)日：2013-09-19
申请号：US13843147
申请日：2013-03-15
申请人： Atsufumi OMORI , Masaaki Ishida , Kazuhiro Akatsu , Muneaki Iwata , Hayato Fujita
发明人： Atsufumi OMORI , Masaaki Ishida , Kazuhiro Akatsu , Muneaki Iwata , Hayato Fujita
IPC分类号： G03G15/00
CPC分类号： G03G15/556 , G03G15/5058
摘要： An image forming apparatus is disclosed, including a light source; a drum; an optical scanning apparatus; and an endless belt. The image forming apparatus further includes a pattern forming unit which forms, on the endless belt along a conveying direction of the endless belt, a density fluctuation detecting pattern having a period; a density sensor which detects the density fluctuating detecting pattern and outputs a density signal including information on density fluctuations in the conveying direction of the endless belt; and a period detecting sensor which detects the period included in the density fluctuations.
摘要翻译：公开了一种图像形成装置，包括光源; 鼓光学扫描装置; 和无尽的皮带。图像形成装置还包括图案形成单元，其沿环形带的输送方向在环形带上形成具有周期的浓度波动检测图案; 密度传感器，其检测所述浓度波动检测图案，并输出密度信号，所述浓度信号包括关于环形带的传送方向上的密度波动的信息; 以及周期检测传感器，其检测包含在密度波动中的周期。

8. 发明申请

US20170286814A1 IMAGE FORMING APPARATUS AND METHOD FOR DRIVING LIGHT SOURCE 审中-公开
公开(公告)号：US20170286814A1
公开(公告)日：2017-10-05
申请号：US15485605
申请日：2017-04-12
申请人： Hayato FUJITA , Masaaki ISHIDA , Atsufumi OMORI , Muneaki IWATA
发明人： Hayato FUJITA , Masaaki ISHIDA , Atsufumi OMORI , Muneaki IWATA
IPC分类号： G06K15/02 , H04N1/23 , H04N1/00 , H04N1/04
CPC分类号： G06K15/1873 , G06K2215/0057 , H04N1/00 , H04N1/00822 , H04N1/0402 , H04N1/2361 , H04N2201/0458 , H04N2201/3252
摘要： An image forming apparatus includes: an image processor configured to perform first image processing on image data having a first resolution and to add tag data to a target pixel where second image processing is to be performed; a resolution converter configured to convert the image data into image data having a second resolution higher than the first resolution, and to perform the second image processing based on arrangement of the image data having the first resolution and the tag data; a pulse generator configured to generate an on-off modulation signal and an application-current switching signal in accordance with the image data having undergone the second image processing; and a light source driver configured to drive the light source in accordance with a current setting value output from an application current setter depending on the application-current switching signal and the on-off modulation signal.

9. 发明申请

US20150324671A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20150324671A1
公开(公告)日：2015-11-12
申请号：US14802686
申请日：2015-07-17
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： G06K15/02 , B41J2/44 , G06K15/14
CPC分类号： G06K15/1843 , B41J2/442 , G06K15/14 , G06K15/1873 , H04N1/113 , H04N1/40068 , H04N1/409 , H04N1/4092
摘要： An image forming apparatus that forms an image according to light emitted from a light source is provided. The image forming apparatus includes: a first image processor that performs image processing on image data having a first resolution and outputs the resulting image data; a resolution converter that acquires the image data having the first resolution output from the first image processor and converts the image data to image data having a second resolution that is higher than the first resolution; a modulation signal generator that modulates the image data having the second resolution according to a clock signal to thereby generate a modulation signal; a light source driver that drives the light source according to the modulation signal; and a second image processor that performs image processing on the image data having the second resolution to be modulated to the modulation signal.
摘要翻译：提供了一种根据从光源发出的光形成图像的图像形成装置。图像形成装置包括：第一图像处理器，对具有第一分辨率的图像数据进行图像处理，并输出所得到的图像数据; 分辨率转换器，其获取具有从所述第一图像处理器输出的所述第一分辨率的图像数据，并将所述图像数据转换为具有高于所述第一分辨率的第二分辨率的图像数据; 调制信号发生器，根据时钟信号调制具有第二分辨率的图像数据，从而生成调制信号; 光源驱动器，其根据调制信号驱动光源; 以及对具有要调制到调制信号的第二分辨率的图像数据执行图像处理的第二图像处理器。

10. 发明申请

US20150125171A1 IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND METHOD OF PRODUCING PRINTED MATERIAL 审中-公开
标题翻译：图像形成装置，图像形成方法和印刷材料的制造方法
公开(公告)号：US20150125171A1
公开(公告)日：2015-05-07
申请号：US14597952
申请日：2015-01-15
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： G03G15/043
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。

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