公开(公告)号：US06181357B2

公开(公告)日：2001-01-30

申请号：US09024476

申请日：1998-02-17

申请人： Stephen Dale Hanna

发明人： Stephen Dale Hanna

IPC分类号： B41J2385

CPC分类号： G02B26/127 ,  G06K15/1219

摘要： A method and system are disclosed for the modification of the timing of one of a plurality of PEL clocks included within an electrophotographic device. A first indicator is generated which is associated with a first position on a print receiving material. A second indicator is generated which is associated with a second position on the print receiving material. A first enable signal is generated for initiating a first scan. The first scan is executed utilizing a first laser beam synchronized by a first PEL clock. A second enable signal is generated for initiating a second scan. The second scan is executed utilizing a second laser beam synchronized by a second PEL clock. The first and second scans are executed approximately concurrently. An offset of the second position from the first position is determined. The timing of a second PEL clock is modified by adjusting the second enable signal utilizing the offset so that the first and second positions are approximately aligned.

摘要翻译： 公开了一种用于修改电子照相设备内包含的多个PEL时钟之一的定时的方法和系统。 产生与打印接收材料上的第一位置相关联的第一指示符。 生成与打印接收材料上的第二位置相关联的第二指示符。 生成用于启动第一次扫描的第一使能信号。 利用由第一PEL时钟同步的第一激光束执行第一次扫描。 生成用于启动第二扫描的第二使能信号。 使用由第二PEL时钟同步的第二激光束来执行第二扫描。 第一次扫描和第二次扫描大致同时执行。 确定第二位置与第一位置的偏移。 通过利用偏移调节第二使能信号来修改第二PEL时钟的定时，使得第一和第二位置近似对齐。

公开(公告)号：US06169558A

公开(公告)日：2001-01-02

申请号：US09123478

申请日：1998-07-28

申请人： Renzo Melotti ,  Sergio Molino

发明人： Renzo Melotti ,  Sergio Molino

IPC分类号： B41J2385

CPC分类号： B41J2/385 ,  G03G15/04009 ,  G03G2215/00455 ,  G03G2215/0119

摘要： A laser printing process using a rotary light sensitive roller electrically charged by points by a laser beam and intended for receiving onto the charged points particles of a toner powder and then transferring the same onto a band to be printed, includes a first step wherein the image to be printed is stored, by a first laser beam coming from a first laser source controlled by a computer, onto a rotary memory roller whose surface is covered with a layer of a material capable of assuming either an amorphous or a crystalline structure, this structure being convertible under the action of a laser beam, and this material showing a high difference in reflecting ability according to whether it assumes the one or the other of its structures, and includes a second step wherein the thus stored image is transferred, by the optical reflection of a second laser beam coming from a second laser source having in its whole a linear character, onto the light sensitive roller intended to receive the toner and to transfer the image onto the band to be printed.

摘要翻译： 激光打印处理使用通过激光束被点电荷并用于接收到带电点的调色剂粉末的颗粒上并随后将其转印到待印刷的带上的旋转光敏辊，包括第一步骤，其中图像 被打印的图像被来自由计算机控制的第一激光源的第一激光束存储到表面被能够呈现无定形或结晶结构的材料层覆盖的旋转存储辊上，该结构 在激光束的作用下可转换，并且该材料根据其是否呈现其一个或另一个结构而显示出反射能力的较大差异，并且包括第二步骤，其中通过光学器件转移所存储的图像 来自第二激光源的第二激光束的反射，其全部具有线性特征，到达旨在接收到 并将图像转印到要打印的带上。

公开(公告)号：US06825863B2

公开(公告)日：2004-11-30

申请号：US10391558

申请日：2003-03-20

申请人： Haruyuki Shimomura ,  Hiroshi Koie

发明人： Haruyuki Shimomura ,  Hiroshi Koie

IPC分类号： B41J2385

CPC分类号： G02B26/12 ,  G06K15/1209

摘要： An image forming apparatus having a photosensitive member, an exposure device having a plurality of laser emitting elements that each irradiate a laser beam onto the photosensitive member to form an elactrostatic latent image on the photosensitive member, a developing device that supplies a developing agent to the electrostatic latent image to form a visible image, and a controller that controls the irradiation of the plurality of laser emitting elements. The controller includes a determining device that determines which laser emitting element from the plurality of laser emitting elements is closest to reaching its end of operating life and a restricting device that restricts the irradiation of the laser emitting element determined closest to reaching its end of operating life.

摘要翻译： 一种具有感光元件的成像设备，具有多个激光发射元件的曝光设备，每个激光发射元件将感光元件上的激光束照射到感光元件上以形成灭活潜像，显影装置向 静电潜像以形成可见图像;以及控制器，其控制多个激光发射元件的照射。 控制器包括确定装置，其确定来自多个激光发射元件的哪个激光发射元件最接近其到达其使用寿命的终点;以及限制装置，其限制最接近其到达其使用寿命结束的激光发射元件的照射 。

公开(公告)号：US06806894B2

公开(公告)日：2004-10-19

申请号：US10631473

申请日：2003-07-31

申请人： Yuichi Seki

发明人： Yuichi Seki

IPC分类号： B41J2385

CPC分类号： H04N1/053 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/02443 ,  H04N2201/0471 ,  H04N2201/04732 ,  H04N2201/04744 ,  H04N2201/04758 ,  H04N2201/04798

摘要： There is provided an image forming apparatus that is capable of securing required printing quality by properly correcting a main scanning scale. In a pixel division modulating process, for each of one or more correction points (at l-th, m-th, and n-th pixels) on each of lines along which scanning is carried out on a photosensitive drum 11 by laser light, the final bit data of pixel-division-modulated pixel data of a pixel immediately preceding each correction point is added to the pixel data of a pixel located at the correction point as the leading bit data of the pixel-division-modulated pixel data of this pixel. The same processing as above is sequentially performed on pixel data of pixels located subsequently to the correction point to sequentially shift predetermined bit data of pixel data of pixels to pixel data of the respective following pixels, to thereby generate pixel data of a new pixel. The generated pixel data of the new pixel is outputted in synchronism with an image clock of a fixed frequency.

摘要翻译： 提供了一种图像形成装置，其能够通过适当地校正主扫描标尺来确保所需的打印质量。 在像素分割调制处理中，对于通过激光在感光鼓11上进行扫描的每条线上的一个或多个校正点（第1，第m和第n像素）中的每一个， 紧接在每个校正点之前的像素的像素分割调制像素数据的最终比特数据被添加到位于校正点的像素的像素数据，作为该像素分割调制像素数据的前导比特数据 像素。 对位于校正点后面的像素的像素数据顺序执行与上述相同的处理，以将像素的像素数据的预定位数据顺序地移位到各个跟随像素的像素数据，从而生成新像素的像素数据。 所生成的新像素的像素数据与固定频率的图像时钟同步输出。

公开(公告)号：US06803939B2

公开(公告)日：2004-10-12

申请号：US09955951

申请日：2001-09-20

申请人： Masayuki Shimizu ,  Tomoyuki Shimoda

发明人： Masayuki Shimizu ,  Tomoyuki Shimoda

IPC分类号： B41J2385

CPC分类号： G03B27/521 ,  B41J2/451 ,  B41J2/465 ,  G03C11/02

摘要： An optical printing head of a side-printing device has an array of LED chips mounted on a substrate along a perpendicular direction to a conveying direction of a photosensitive material. The LED chips are driven in synchronism with the conveying movement of the photosensitive material, to print data of the photosensitive material as a latent image line by line on a side margin of the photosensitive material. Each LED chip corresponds to one pixel of the latent image, and is partitioned from each other by partitioning plates, for preventing interference between rays from adjacent LED chips. A diffusion plate is placed on the partitioning plates, to equalize luminance of rays from each LED chip.

摘要翻译： 侧面印刷装置的光学打印头具有沿着与感光材料的输送方向垂直的方向安装在基板上的LED芯片的阵列。 LED芯片与感光材料的传送运动同步地驱动，以感光材料的侧边缘逐行地印刷感光材料的数据。 每个LED芯片对应于潜像的一个像素，并且通过分隔板彼此分隔，以防止来自相邻LED芯片的光线之间的干涉。 扩散板放置在分隔板上，以均衡来自每个LED芯片的光线的亮度。

公开(公告)号：US06724410B2

公开(公告)日：2004-04-20

申请号：US10023402

申请日：2001-12-18

申请人： Hiroyuki Arai

发明人： Hiroyuki Arai

IPC分类号： B41J2385

CPC分类号： G03G15/01 ,  G03G2215/0119

摘要： A multicolor image forming apparatus comprises a first image forming unit, and a second image forming unit, having respectively an image forming member, an intermediate transfer member, and a secondary transfer section for transferring the toner image from the intermediate transfer member onto a recording material, wherein there are provided a priority mode setting section for setting a multicolor priority mode or a monochrome priority mode, and a controller to control in such a way that in an idling condition and in a waiting condition, when the multicolor priority mode is set, all of the image forming members are in press-contact with the intermediate transfer member, and when the monochrome priority mode is set, only the image forming member of the first image forming unit is in press-contact with the intermediate transfer member.

摘要翻译： 多色图像形成装置包括第一图像形成单元和第二图像形成单元，分别具有图像形成构件，中间转印构件和二次转印部分，用于将调色剂图像从中间转印构件转印到记录材料上 其中，提供了一种用于设置多色优先模式或单色优先模式的优先模式设置部分，以及控制器，以使得在空闲状态和等待状态下，当设置多色优先模式时， 所有图像形成构件与中间转印构件压接，并且当设置单色优先模式时，仅第一图像形成单元的图像形成构件与中间转印构件压接。

公开(公告)号：US06717601B2

公开(公告)日：2004-04-06

申请号：US10196013

申请日：2002-07-16

申请人： Kurt M. Sanger

发明人： Kurt M. Sanger

IPC分类号： B41J2385

CPC分类号： H04N1/6011 ,  H04N1/407

摘要： An apparatus and method for applying dot-gain (110) compensation to halftone bitmap files used in printing a digital halftone image. Dot-gain is added by thresholding (250) the output of a convolution of the original bitmap image with a spatial filter (200). Averaging (220) is performed to specify the level of the threshold to be applied. The level of dot-gain applied is a function of the threshold level.

公开(公告)号：US06573920B2

公开(公告)日：2003-06-03

申请号：US10244188

申请日：2002-09-16

申请人： Tatsuya Shimoda ,  Takao Nishikawa

发明人： Tatsuya Shimoda ,  Takao Nishikawa

IPC分类号： B41J2385

CPC分类号： H04N1/508 ,  B41J2/45 ,  G03G2215/0174

摘要： A method of manufacturing a printer with an EL pixel array as a latent image light source, comprising: forming an EL pixel array on a substrate; separating the EL pixel array from the substrate; affixing the separated EL pixel array to substantially completely surround the outside of a photoconductive drum; forming a charge generating layer above the EL pixel array; and forming a charge transfer layer above the charge generating layer.

公开(公告)号：US06493013B2

公开(公告)日：2002-12-10

申请号：US08812559

申请日：1997-03-07

申请人： Hiroyuki Obata ,  Takashi Aono ,  Hiroshi Mohri ,  Masato Koike ,  Hideaki Amano ,  Norikazu Saito ,  Makoto Matsuo ,  Minoru Utsumi ,  Chihaya Ogusu ,  Shunsuke Mukasa ,  Yoshiaki Kudo

发明人： Hiroyuki Obata ,  Takashi Aono ,  Hiroshi Mohri ,  Masato Koike ,  Hideaki Amano ,  Norikazu Saito ,  Makoto Matsuo ,  Minoru Utsumi ,  Chihaya Ogusu ,  Shunsuke Mukasa ,  Yoshiaki Kudo

IPC分类号： B41J2385

CPC分类号： G06K19/06046 ,  G03G5/02 ,  G03G15/04045 ,  G03G15/05 ,  G03G15/18 ,  G03G15/221 ,  G03G15/344 ,  G03G15/754 ,  G03G15/758 ,  G03G21/06 ,  G03G2217/0016 ,  G06K15/12 ,  G06K19/08 ,  G06K19/10 ,  G09F3/0292 ,  G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/128 ,  G11B7/24 ,  G11B9/00 ,  G11B9/08 ,  G11B11/00 ,  G11B11/08 ,  G11B25/04 ,  H04N1/028 ,  H04N1/48

摘要： In the information recording an reproducing method and apparatus according to the present invention, a piece of picture image information is recorded as an analog quantity or a digital quantity an information carrying medium in a planar manner at a high density, charge potential is read for outputting electric signals to correspond to the recorded picture image information and then the outputted signals are printed out by means of various display unit or output device, with high quality and high resolution as well as ease processing of the information. The information carrying medium provides a long period of storage of information and enables stored picture image information to be repeatedly reproduced with a picture quality according to need. Particularly, it is, according to the present invention, possible to read and output local potential of an information carrying medium with predetermined scanning density at a desired time, and so pictures of high quality may be output as a silver salt photograph is taken and reproduced by optically scanning the film. Thus, the present invention may be applied to a wide field including photographing, copying and printing.

摘要翻译： 在根据本发明的再现方法和装置的信息记录中，一片图像信息作为模拟量或数字量被以高密度的平面方式记录在信息载体中，读取电荷电位以便输出 电信号对应于记录的图像信息，然后通过各种显示单元或输出装置以高质量和高分辨率打印出输出的信号以及信息的轻松处理。 信息传送介质提供长时间的信息存储，并且可以根据需要使存储的图像图像信息以图像质量重复再现。 特别地，根据本发明，可以在期望的时间读取和输出具有预定扫描密度的信息载体的局部电位，因此可以输出拍摄和再现银盐照片的高质量图像 通过光学扫描该膜。 因此，本发明可以应用于包括拍摄，复印和打印在内的广泛领域。

公开(公告)号：US06433803B1

公开(公告)日：2002-08-13

申请号：US09826199

申请日：2001-04-04

申请人： Yoshinori Mutou ,  Tetsuro Toyoshima ,  Tadashi Iwamatsu ,  Nobuyuki Azuma ,  Yoshinori Nakajima

发明人： Yoshinori Mutou ,  Tetsuro Toyoshima ,  Tadashi Iwamatsu ,  Nobuyuki Azuma ,  Yoshinori Nakajima

IPC分类号： B41J2385

摘要： An exposure apparatus for image formation uses power control means provided to a laser driver for controlling exposure energy and accordingly forming an image. Specifically, exposure energy is varied depending on an isolated-dot pattern and an isolated-line pattern by changing the pulse height (drive power) of a drive pulse for each dot. Both of the isolated-line and isolated-dot patterns of a high resolution can thus be reproduced with a high image quality without increase of cost due to requirements for accuracy in processing and positioning of a lens and without decrease of life of a photoreceptor due to a decreased thickness of its photosensitive layer.