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1. 发明授权

US09778592B2 Image forming method and image forming apparatus including a high power exposure pixel group 有权
公开(公告)号：US09778592B2
公开(公告)日：2017-10-03
申请号：US15151108
申请日：2016-05-10
申请人： Hiroyuki Suhara , Masato Iio , Hiroto Tachibana , Yuichi Ueno
发明人： Hiroyuki Suhara , Masato Iio , Hiroto Tachibana , Yuichi Ueno
IPC分类号： G03G15/04 , G03G15/043 , H04N1/113 , H04N1/06
CPC分类号： G03G15/043 , H04N1/06 , H04N1/113
摘要： An image forming method exposes a surface of an image bearer with light according to an image pattern including an image portion to form an electrostatic latent image, and includes: setting, among pixels constituting the image portion, at least a group of pixels existing at a boundary with respect to a non-image portion as a non-exposure pixel group, and at least a group of pixels existing at a boundary with respect to the non-exposure pixel group as a high power exposure pixel group; specifying, among the pixels constituting the image portion, a predetermined pixel as a target pixel, and a group of pixels existing at a boundary with respect to the non-image portion close to the target pixel as a boundary pixel group; and specifying a light power value of the target pixel based on image identification information acquired from the pixels constituting the image portion.

2. 发明授权

US09817330B2 Image forming apparatus and image forming method to form an image based on image data including a pattern 有权
公开(公告)号：US09817330B2
公开(公告)日：2017-11-14
申请号：US14730428
申请日：2015-06-04
申请人： Hiroto Tachibana , Hiroyuki Suhara , Masato Iio
发明人： Hiroto Tachibana , Hiroyuki Suhara , Masato Iio
IPC分类号： G03G15/04 , G03G15/043 , G03G15/045 , G03G13/045 , B41J2/435
CPC分类号： G03G15/043 , B41J2/435 , G03G13/045 , G03G15/04027 , G03G15/045
摘要： An image forming apparatus forms an image by exposing an image bearer on the basis of image data including at least one predetermined pattern. The image forming apparatus includes a processing device that sets an exposure amount of a plurality of exposure pixels. The predetermined pattern is constituted by the plurality of exposure pixels, and a peripheral region of the predetermined pattern in the image data is constituted by a plurality of non-exposure pixels. The processing device sets an exposure amount of an exposure pixel in a specific region that is adjacent to a boundary between the predetermined pattern and the peripheral region and is constituted by at least one exposure pixel in the predetermined pattern, and an exposure amount of an exposure pixel in a region other than the specific region in the predetermined pattern to values different from each other.

3. 发明授权

US09933722B2 Image forming method and image forming apparatus for forming an image by setting various pixels of an exposure pattern as a non-exposure pixel group or a high-output exposure pixel group 有权
公开(公告)号：US09933722B2
公开(公告)日：2018-04-03
申请号：US15193480
申请日：2016-06-27
申请人： Hiroto Tachibana , Hiroyuki Suhara , Yuichi Ueno
发明人： Hiroto Tachibana , Hiroyuki Suhara , Yuichi Ueno
IPC分类号： G06K15/02 , H04N1/52 , G03G15/043
CPC分类号： G03G15/043
摘要： An image forming method is for forming an image using an electrostatic latent image that is formed by exposing a surface of an image bearer in accordance with an image pattern that includes a plurality of image areas in combination. Each of the plurality of image areas includes a plurality of pixels. A part of pixels to be exposed in each of the plurality of image areas is set as a non-exposure pixel group in accordance with a position of any one of the plurality of image areas in the image pattern. Pixels that are different from the non-exposure pixel group in each of the plurality of image areas are set as a high-output exposure pixel group that is exposed with an optical output value that is higher than a predetermined optical output value that is needed to expose the image area.

4. 发明授权

US09513573B2 Image forming method, image forming apparatus, and printed matter production method 有权
标题翻译：图像形成方法，图像形成装置和印刷物的制作方法
公开(公告)号：US09513573B2
公开(公告)日：2016-12-06
申请号：US14833510
申请日：2015-08-24
申请人： Hiroto Tachibana , Hiroyuki Suhara
发明人： Hiroto Tachibana , Hiroyuki Suhara
IPC分类号： G03G15/00 , G03G15/043
CPC分类号： G03G15/043 , G03G2215/0431 , G03G2215/0482
摘要： An image forming method includes exposing a surface of an image bearer with light according to an image pattern including an image portion and a non-image portion, the image portion constituted of a plurality of pixels, to form an electrostatic latent image correspondent to the image pattern, comparing the image pattern adjacent to each of the pixels with a comparison pattern constituted of a plurality of pixels to specify at least a group of pixels existing at a boundary with respect to the non-image portion as a group of non-exposure pixels among the pixels constituting the image portion, and executing determination of specifying at least a group of pixels adjacent to the group of non-exposure pixels as a group of high power exposure pixels exposed with light of a higher light power than a predetermined light power required for exposing the image portion among the pixels constituting the image portion.
摘要翻译：图像形成方法包括：根据包括图像部分和非图像部分的图像图像，由多个像素构成的图像部分，用光曝光图像载体的表面，以形成与图像相对应的静电潜像将与每个像素相邻的图像图案与由多个像素构成的比较图案进行比较，以将至少一组相对于非图像部分的边界存在的像素指定为非曝光像素组在构成图像部分的像素中，并且执行确定至少一组与非曝光像素组相邻的像素组，作为以比所需的预定光功率更高的光功率曝光的高功率曝光像素的组用于在构成图像部分的像素中曝光图像部分。

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