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1.发明授权Image formation apparatus and method for clear character and smooth image reproduction 失效图像形成装置和方法，用于清晰的字符和平滑的图像再现
公开(公告)号：US5946018A
公开(公告)日：1999-08-31
申请号：US767367
申请日：1996-12-16
CPC分类号： H04N1/40037 , G03G13/04 , G03G5/076 , H04N1/295
摘要： A photosensitive body, charge device, and exposure device are adjusted so as to satisfy relations0.3
摘要翻译： 调整感光体，充电装置和曝光装置，以满足0.3
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公开(公告)号：US5764378A
公开(公告)日：1998-06-09
申请号：US544703
申请日：1995-10-18
申请人： Yasuhiro Oda , Kazuhiko Arai , Kazuhiro Iwaoka , Takayuki Yamashita , Masayo Higashimura , Masahiko Kubo
发明人： Yasuhiro Oda , Kazuhiko Arai , Kazuhiro Iwaoka , Takayuki Yamashita , Masayo Higashimura , Masahiko Kubo
CPC分类号： H04N1/4056
摘要： The present invention provides an image forming apparatus including first image density signal converter having a first conversion property for converting a multi-valued image density input signal to an image density output signal at a timing synchronizing with an image density signal clock, second image density signal converter having a second conversion property different from the first conversion property for converting a part of the image density input signal corresponding to a low density portion to an image density output signal indicating a value within a range in which an image is not developed, selection signal generator for outputting a selection signal having a period longer than that of the image density signal clock to select the first or second image density signal converter in a predetermined order, a phase of the selection signal being shifted in turn per every one or more main scanning synchronizing signals, pattern signal generator means for generating a pattern signal having a period longer than that of the image density signal clock, controller for shifting the phase of the pattern signal generated by the pattern signal generator means per every one or more main scanning synchronizing signals to form a screen image having a predetermined screen angle, a pulse width modulator for outputting a pulse width modulation signal generated by modulating pulse width of the image density output signal output from the first and second image density signal converter utilizing the pattern signal. An image is formed in accordance with the pulse width modulation signal output from the pulse width modulator.
摘要翻译： 本发明提供一种图像形成装置，包括：第一图像浓度信号转换器，具有第一转换特性，用于在与图像浓度信号时钟同步的定时将多值图像浓度输入信号转换为图像浓度输出信号，第二图像浓度信号 转换器具有不同于第一转换特性的第二转换特性，用于将对应于低密度部分的图像浓度输入信号的一部分转换为指示图像未被显影的范围内的值的图像浓度输出信号，选择信号 发生器，用于输出具有比图像浓度信号时钟的周期长的周期的选择信号，以按预定顺序选择第一或第二图像浓度信号转换器，选择信号的相位依次按照每一个或多个主扫描 同步信号，用于产生模式信号的模式信号发生器装置 l具有比图像浓度信号时钟长的时间段的控制器，用于根据每个一个或多个主扫描同步信号移位由图案信号发生器装置产生的图形信号的相位，以形成具有预定屏幕角度的屏幕图像， 脉冲宽度调制器，用于输出通过利用图案信号调制从第一和第二图像浓度信号转换器输出的图像浓度输出信号的脉冲宽度产生的脉宽调制信号。 根据从脉宽调制器输出的脉宽调制信号形成图像。
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公开(公告)号：US5587772A
公开(公告)日：1996-12-24
申请号：US543911
申请日：1995-10-17
申请人： Kazuhiko Arai , Yasuhiro Oda , Masahiko Kubo , Masayo Higashimura , Kazuhiro Iwaoka , Takayuki Yamashita
发明人： Kazuhiko Arai , Yasuhiro Oda , Masahiko Kubo , Masayo Higashimura , Kazuhiro Iwaoka , Takayuki Yamashita
CPC分类号： H04N1/4056
摘要： The present invention provides an image forming apparatus having image signal discrimination device for discriminating whether an image density signal belongs to a line image portion or a natural image portion including a halftone image and outputting a discrimination signal, first image density conversion device having a first conversion property for converting the image density signal to a conversion signal and outputting the conversion signal, second image density conversion device having a second conversion property which is different from the first conversion property for converting a range of the image density signal corresponding to a low density portion to a conversion signal indicating a value within a range in which an image is not developed and outputting the conversion signal, selection device for alternately selecting the first and second image density conversion device with a predetermined period, pulse width modulation device for modulating pulse widths of the conversion signals output from the first and second image density signal conversion device and outputting a pulse width modulation signal, pulse width modulation signal period changing device for changing a period of the pulse width modulation signal output from the pulse width modulation device and the period of selection carried out by the selection device in accordance with the discrimination signal output from the image density signal discriminating device, and image formation device for forming an image in accordance with the pulse width modulation signal output from the pulse width modulation device.
摘要翻译： 本发明提供一种具有图像信号识别装置的图像形成装置，用于鉴别图像浓度信号是属于行图像部分还是包括半色调图像的自然图像部分并输出鉴别信号，第一图像浓度转换装置具有第一转换 用于将图像浓度信号转换为转换信号并输出转换信号的第二图像浓度转换装置，具有与第一转换特性不同的第二转换特性，用于转换对应于低密度部分的图像浓度信号的范围 指示表示图像未被显影的范围内的值并输出转换信号的转换信号，用于以预定周期交替地选择第一和第二图像浓度转换装置的选择装置，用于调制脉冲宽度的脉宽调制装置 转换 从第一和第二图像浓度信号转换装置输出的信号并输出脉冲宽度调制信号，脉冲宽度调制信号周期改变装置，用于改变从脉宽调制装置输出的脉冲宽度调制信号的周期和携带的选择周期 根据从图像浓度信号识别装置输出的识别信号，通过选择装置输出图像形成装置，以及根据从脉宽调制装置输出的脉冲宽度调制信号形成图像的图像形成装置。
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公开(公告)号：US5969746A
公开(公告)日：1999-10-19
申请号：US766344
申请日：1996-12-16
CPC分类号： H04N1/29 , H04N1/40037
摘要： An image forming apparatus for reproducing an image corresponding to a digitized image signal includes; an imaging member; a halftone image forming device for reproducing a latent image composed of a plurality of pixels on the imaging member, and for developing the latent image so that coloring particles are adhered in each pixel being put together as an island, the halftone image including a relatively low density halftone image; and a transfixing device for simultaneously transferring the halftone image and fixing the halftone image onto a recording sheet. The image forming apparatus may further includes an intermediate transfer medium. The island-like toner image reproduces the halftone image clearly.
摘要翻译： 用于再现与数字化图像信号对应的图像的图像形成装置包括： 成像构件; 一种半色调图像形成装置，用于再现由成像构件上的多个像素构成的潜像，并且用于使潜像显影，使得每个像素中的着色颗粒粘附在一起作为岛，所述半色调图像包括相对较低的 密度半色调图像; 以及用于同时传送半色调图像并将半色调图像固定到记录纸上的转染装置。 图像形成装置还可以包括中间转印介质。 岛状调色剂图像清晰地再现了半色调图像。
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公开(公告)号：US5220357A
公开(公告)日：1993-06-15
申请号：US933495
申请日：1992-08-21
申请人： Masahiko Kubo , Toshiaki Sagara , Kazuhiko Arai
发明人： Masahiko Kubo , Toshiaki Sagara , Kazuhiko Arai
CPC分类号： G03G15/01 , H04N1/29 , H04N1/4056
摘要： Disclosed is an image forming apparatus and method for forming a color toner image on a transparent overhead projector film, characterized in that the product of the height of the color toner image construction h and the spatial frequency 1/.lambda. is 0.036 or less. The height of the image construction h can be determined by varying the toner weight per unit area on the transparent film and the spatial frequency 1/.lambda. can be determined by varying the resolution so that h/.lambda. the is 0.036 or less. An image forming apparatus comprises an electrostatic latent image receiving member, an electrostatic latent image forming means for forming an electrostatic latent image corresponding to an image signal having a predetermined number of screen lines on the electrostatic latent image receiving member, a transfer medium detecting means for detecting the transfer medium, and a pulse width modulation means for modulating the pulse width of the image signal based on the detection result from the transfer medium detecting means.
摘要翻译： 公开了一种用于在透明高架投影仪膜上形成彩色调色剂图像的图像形成装置和方法，其特征在于，彩色调色剂图像构造h的高度和空间频率1 /λ的乘积为0.036或更小。 图像构造h的高度可以通过改变透明膜上的每单位面积的调色剂重量来确定，并且空间频率可以通过改变分辨率来确定1 /λ，使得h /λa为0.036或更小。 图像形成装置包括静电潜像接收部件，静电潜像形成装置，用于形成与静电潜像接收部件上具有预定数量的屏幕线的图像信号对应的静电潜像;转印介质检测装置， 检测转印介质，以及脉冲宽度调制装置，用于根据来自转印介质检测装置的检测结果调制图像信号的脉冲宽度。
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公开(公告)号：US5495278A
公开(公告)日：1996-02-27
申请号：US304666
申请日：1994-09-09
申请人： Yasuhiro Oda , Kazuhiko Arai , Kazuhiro Iwaoka
发明人： Yasuhiro Oda , Kazuhiko Arai , Kazuhiro Iwaoka
CPC分类号： H04N1/4056 , H04N1/29
摘要： In an image forming apparatus including a pulse-width modulating unit for subjecting an image-density signal to pulse-width modulation and an image-forming unit for forming an image in accordance with a pulse-width modulation signal outputted by the pulse-width modulating unit, an arrangement is provided such that the image is formed with a small number of lines when the image density is a low density, while the image is formed with a large number of lines when the image density is a medium/high density. In an example of the arrangement thereof, the pulse-width modulating unit has a unit for effecting modulation on the basis of a plurality of different modulation periods, and is provided with a selecting unit for selecting a modulation period of a pulse-width modulated wave to be outputted, in accordance with the image-density signal.
摘要翻译： 在包括用于对图像浓度信号进行脉冲宽度调制的脉冲宽度调制单元和用于形成图像的图像形成单元的图像形成设备中，所述图像形成单元根据由脉冲宽度调制输出的脉冲宽度调制信号 单元，提供了一种布置，使得当图像浓度为低密度时，图像形成有少量的线，而当图像密度为中/高密度时，图像形成有大量的线。 在其布置的示例中，脉冲宽度调制单元具有用于基于多个不同调制周期进行调制的单元，并且设置有选择单元，用于选择脉宽调制波的调制周期 根据图像浓度信号输出。
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公开(公告)号：US08126385B2
公开(公告)日：2012-02-28
申请号：US12558680
申请日：2009-09-14
申请人： Kazuhiko Arai , Nobuyuki Nakayama , Daisuke Nagao , Ryosuke Takahashi , Yasuhiro Oda , Koichiro Yuasa
发明人： Kazuhiko Arai , Nobuyuki Nakayama , Daisuke Nagao , Ryosuke Takahashi , Yasuhiro Oda , Koichiro Yuasa
IPC分类号： G03G21/00
CPC分类号： G03G21/0005 , G03G21/0017
摘要： There is provided an image forming mechanism including: an image carrier containing a lubricant in a photosensitive layer that is formed on a surface of the image carrier, and on which an electrostatic latent image is formed; a developing section developing the electrostatic latent image into a visible image by a developer that contains the lubricant; and a cleaning member formed with a first layer that contacts the photosensitive layer, and a second layer that is formed of a material having a lower modulus of repulsion elasticity than the first layer and that is layered with the first layer and that does not contact the surface of the image carrier.
摘要翻译： 提供了一种图像形成机构，包括：图像载体，其在感光层中含有润滑剂，所述感光层形成在所述图像载体的表面上，并且形成有静电潜像; 显影部，其通过含有润滑剂的显影剂将静电潜像显影成可见图像; 以及形成有与感光层接触的第一层的清洁构件，以及由具有比第一层更低的排斥弹性模量并且与第一层层叠的并且不与第一层层叠的材料形成的第二层 图像载体的表面。
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公开(公告)号：US20100202813A1
公开(公告)日：2010-08-12
申请号：US12558680
申请日：2009-09-14
申请人： Kazuhiko Arai , Nobuyuki Nakayama , Daisuke Nagao , Ryosuke Takahashi , Yasuhiro Oda , Koichiro Yuasa
发明人： Kazuhiko Arai , Nobuyuki Nakayama , Daisuke Nagao , Ryosuke Takahashi , Yasuhiro Oda , Koichiro Yuasa
IPC分类号： G03G21/00
CPC分类号： G03G21/0005 , G03G21/0017
摘要： There is provided an image forming mechanism including: an image carrier containing a lubricant in a photosensitive layer that is formed on a surface of the image carrier, and on which an electrostatic latent image is formed; a developing section developing the electrostatic latent image into a visible image by a developer that contains the lubricant; and a cleaning member formed with a first layer that contacts the photosensitive layer, and a second layer that is formed of a material having a lower modulus of repulsion elasticity than the first layer and that is layered with the first layer and that does not contact the surface of the image carrier.
摘要翻译： 提供了一种图像形成机构，包括：图像载体，其在感光层中含有润滑剂，所述感光层形成在所述图像载体的表面上，并且形成有静电潜像; 显影部，其通过含有润滑剂的显影剂将静电潜像显影成可见图像; 以及形成有与感光层接触的第一层的清洁构件，以及由具有比第一层更低的排斥弹性模量并且与第一层层叠的并且不与第一层层叠的材料形成的第二层 图像载体的表面。
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公开(公告)号：US07962066B2
公开(公告)日：2011-06-14
申请号：US12261614
申请日：2008-10-30
申请人： Kazuhiko Arai , Koichiro Yuasa
发明人： Kazuhiko Arai , Koichiro Yuasa
IPC分类号： G03G15/00
CPC分类号： G03G21/0029
摘要： A cleaning unit includes a cleaner. The cleaner includes: a support member; a toner scraping member; and a toner storing mechanism. The toner storing mechanism includes: a toner catching member provided in a vicinity of a leading end of the toner scraping member so as to catch the toner scraped off; and a swingably supporting mechanism which supports swingably the toner catching member with a middle portion of the toner catching member as a swing fulcrum. A free end portion of the toner catching member protruding from the toner scraping member in the moving direction is a storage moving portion which moves based on an amount of the stored toner, and a portion opposite to the free end portion with respect to the swing fulcrum is a press portion which presses the toner scraping member toward the cleaned member based on a moving amount of the storage moving portion.
摘要翻译： 清洁单元包括清洁器。 清洁剂包括：支撑构件; 调色剂刮擦构件; 和调色剂存储机构。 调色剂存储机构包括：调色剂捕获部件，设置在调色剂刮除部件的前端附近以便刮掉被刮除的调色剂; 以及可摆动地支撑机构，其以调色剂捕获构件的中间部分作为摆动支点可摆动地支撑调色剂捕捉构件。 从调色剂刮削构件沿移动方向突出的调色剂捕获构件的自由端部是基于存储的调色剂的量移动的存储移动部分和相对于摆动支点的自由端部相对的部分 是基于存储移动部分的移动量将调色剂刮削构件朝向清洁构件按压的按压部分。
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公开(公告)号：US07165894B2
公开(公告)日：2007-01-23
申请号：US10793286
申请日：2004-03-04
申请人： Kazuhiko Arai , Kouji Minami
发明人： Kazuhiko Arai , Kouji Minami
IPC分类号： G02B6/36
CPC分类号： B24B37/042 , B24B19/226 , B24B37/00 , B24B41/06 , B24B49/16 , G02B6/25 , G02B6/3863 , Y10T83/4531
摘要： An end face polishing apparatus with improved polishing precision regardless of the length of ferrules when end faces of the ferrules are polished is provided. In an end face polishing apparatus polishing a rod-shaped member mounted at a polishing fixture by pressing the rod-shaped member against a lapping member on a lapping machine provided on a surface plate that is supported at the main body of the apparatus to rotate and rock, there are a plurality of rod-shaped guide members provided at the polishing fixture radially outwardly projecting and a tubular member capable of supporting the polishing fixture through the guide members on the surface plate. In this way, the guide members at the polishing fixture and the tubular member abut against each other so that the movement of the polishing fixture in the pressing direction is restricted.
摘要翻译： 提供了当套圈的端面被抛光时，与套管的长度无关地提高抛光精度的端面抛光装置。 在端面抛光装置中，通过将杆状构件压靠在设置在所述装置的主体上的表面板上的研磨机上将研磨构件压靠在研磨装置上来研磨安装在研磨固定装置上的杆状构件的旋转， 在抛光装置上有多个设置在径向向外突出的杆状引导构件和能够通过表面板上的引导构件支撑抛光固定件的管状构件。 以这种方式，抛光固定件和管状构件上的引导构件彼此抵接，使得抛光夹具在按压方向上的移动受到限制。
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