Image forming apparatus capable of forming copied images edited from an
original image
    31.
    发明授权
    Image forming apparatus capable of forming copied images edited from an original image 失效
    能够形成从原始图像编辑的复制图像的图像形成装置

    公开(公告)号:US5055886A

    公开(公告)日:1991-10-08

    申请号:US505666

    申请日:1990-04-02

    摘要: An image forming apparatus which includes an exposing device for projecting light onto an original so as to form an electrostatic latent image of an original image on a photosensitive surface of a photoreceptor, a reading device for reading the original image through separation per predetermined color in a reading picture element unit, a designating device for designating the color to be erased, an erasing device for erasing desired region of the electrostatic latent image on the photosensitive surface of the photoreceptor per erasing picture element unit, a converting device for converting color data in the reading picture element unit into color data in the erasing picture element unit, a display device for displaying the region to be erased based on the color data in the erasing picture element unit, and a control device for controlling the erasing device based on the color data in the erasing picture element unit obtained through conversion of the color designated by the designating device, by the converting device.

    摘要翻译: 一种图像形成装置,包括用于将光投射到原稿上以在感光体的感光表面上形成原始图像的静电潜像的曝光装置,用于通过以预定颜色分离来读取原始图像的读取装置 读取图像元素单元,用于指定要擦除的颜色的指定装置,用于擦除每个擦除图像元素单元的感光体的感光表面上的静电潜像的期望区域的擦除装置, 将图像元素单元读取到擦除图像元素单元中的彩色数据;基于擦除图像元素单元中的颜色数据显示要擦除的区域的显示设备;以及用于基于颜色数据控制擦除设备的控制设备 在通过转换由设计指定的颜色获得的擦除图像元素单元中 g设备,由转换设备。

    Imaging forming apparatus and copy management system
    32.
    发明申请
    Imaging forming apparatus and copy management system 失效
    成像设备和复印管理系统

    公开(公告)号:US20070195992A1

    公开(公告)日:2007-08-23

    申请号:US11786611

    申请日:2007-04-12

    IPC分类号: G06K9/00

    摘要: An additional data useful for the management of copies of a document for an image forming apparatus is embedded in a hard copy of the document. The additional data is embedded in an inherent image of a document as discrete dots arranged in a prescribed format. Preferably, the size of each of said discrete dots is not so large as to be recognized easily with naked eyes. The additional data can be embedded in unit of blocks. Further, the density of the discrete dots is different from the density adjacent to the discrete dots. The image data for embedding an additional data can be obtained by reading a document, or by receiving data sent from a computer or read from a floppy disk. An additional data embedded in a hard copy can be extracted from the image data on the hard copy. Further, the production of a copy according to the image data can be controlled according to the extracted additional data. For example, if the additional data means that the source of the hard copy is a secret document, the copying is allowed only for a legitimate user. An additional data is generated for each copy according to the extracted additional data for embedding it in a hard copy to identify each copy. The additional data generated for each copy are compiled and they are used to manage copies of various sources systematically and illegal copies can be traced easily. If the additional data received from a printer is not consistent with the additional data already stored, the printing may be prohibited. A transmitter for transmitting an additional data may be provided in-a document such as a book.

    摘要翻译: 用于管理图像形成装置的文档的副本的附加数据被嵌入文档的硬拷贝中。 附加数据嵌入文档的固有图像中,作为以规定格式排列的离散点。 优选地,每个所述离散点的尺寸不是很大,以致容易用肉眼识别。 附加数据可以以块为单位嵌入。 此外,离散点的密度与离散点相邻的密度不同。 用于嵌入附加数据的图像数据可以通过读取文档或通过接收从计算机发送的数据或从软盘读取来获得。 可以从硬拷贝上的图像数据中提取嵌入在硬拷贝中的附加数据。 此外,可以根据所提取的附加数据来控制根据图像数据的副本的制作。 例如,如果附加数据意味着硬拷贝的来源是秘密文件,则仅允许合法用户复制。 根据提取的附加数据为每个副本生成附加数据,以将其嵌入硬拷贝中以识别每个副本。 为每个副本生成的附加数据进行编译,并用于系统地管理各种源的副本,并且可以轻松地跟踪非法副本。 如果从打印机接收到的附加数据与已经存储的附加数据不一致,则可能禁止打印。 用于发送附加数据的发送器可以在诸如书籍的文档中提供。

    DMA controller with dynamically variable access priority
    33.
    发明授权
    DMA controller with dynamically variable access priority 失效
    DMA控制器具有动态变量访问优先级

    公开(公告)号:US06615291B1

    公开(公告)日:2003-09-02

    申请号:US09521196

    申请日:2000-03-07

    IPC分类号: G06F1328

    CPC分类号: G06F13/30

    摘要: A bus monitor section 8 calculates bus-occupancy rate for each of the DMA control sections 1 to 3 connected to a bus 5 in accordance with bus-use permission signals ack1 to ack3, respectively. Furthermore, a bus-use reconcilement section 6 changes manners of bus-use reconcilement control when the sum of a plurality of bus-occupancy rate exceeds “50”, a predetermined threshold. Thereby, this method avoids occurrences such that a specific device occupies the bus 5 or vice versa, a specific device cannot get access to the bus 5.

    摘要翻译: 总线监视部分8根据总线使用许可信号ack1至ack3分别计算连接到总线5的每个DMA控制部分1至3的总线占用率。 此外,当总线占用率的总和超过“50”,预定阈值时,总线使用调和部分6改变总线使用协调控制的方式。 因此,该方法避免了特定设备占用总线5或相反的情况,特定设备不能访问总线5。

    Data processor
    34.
    发明授权

    公开(公告)号:US5875041A

    公开(公告)日:1999-02-23

    申请号:US591134

    申请日:1996-01-25

    摘要: In a data processor, in order to perform coding efficiently, image data of a prescribed pixel matrix is subjected to orthogonal transformation to coefficient data. Obtained coefficient data is quantized with a first quantization table for character image, and they are also quantized with a second quantization table for half-tone image. Then, the image data is discriminated to be a character image data or a half-tone image data according to the two quantization data. Then, quantization data in correspondence to the discrimination is subjected to entropy coding. In a different data processor, in order to discriminate a kind of image in a processing block fast and correctly, image data are divided into first processing blocks of m*m pixel matrices and second processing blocks of M*M pixel matrices wherein M>m. For example, m=8 and M=16. A second processing block includes one of first processing blocks and adjacent pixels around it. Image data in a first processing block and image dat in a second processing block including the first processing block are subjected to orthogonal transform to send coefficient data, respectively. It is discriminated according to the coefficient data of the second processing block if the image is a character image, a dot image or a half-tone image to select an appropriate quantization table. Then, image data of the first processing block is quantized according to the selected quantization table and quantized data are coded. In a further data processor, in order to discriminate a dot image in a processing block, two discrimination windows are provided, and a first of the windows consists of coefficient data around the DC component while a second consists of the other data. First, orthogonal transform coefficients of image data in a processing block are calculated, and maximum of absolute values in the two windows are obtained. An image is discriminated to be a dot image if the maximum of the first window is larger than that of the second and the former is larger than a prescribed threshold value.

    Image processing apparatus outputting desired image irrespective of
directions of original and output paper
    36.
    发明授权
    Image processing apparatus outputting desired image irrespective of directions of original and output paper 失效
    图像处理设备输出所需图像,而与原始和输出纸张的方向无关

    公开(公告)号:US5649033A

    公开(公告)日:1997-07-15

    申请号:US123442

    申请日:1993-09-17

    摘要: In an image signal processing portion, the size of an original papersheet is detected, and image data is provided with respect to a memory unit. The size of a copy papersheet is detected using a detecting sensor, not shown. Data of an original image is read out by a CCD to be stored in an image memory. When printing is carried out based on the image data, the feeding directions and the sizes of the original papersheet and the copy papersheet are taken into consideration. When the feeding directions of the original and the copy papersheet are the same, only a variable-scale magnification processing portion is activated to carry out only a variable-scale magnification processing. When the feeding directions of the original papersheet and the copy papersheet are different, a rotation and a variable-scale magnification of an image signal are carried out by a rotation processing portion and the variable-scale magnification processing portion. As a result, irrespective of the direction and the size of the original, the image is automatically copied onto the copy papersheet.

    摘要翻译: 在图像信号处理部分中,检测原稿纸张的尺寸,并且相对于存储器单元提供图像数据。 使用未示出的检测传感器来检测复印纸张的尺寸。 原始图像的数据由CCD读出以存储在图像存储器中。 当基于图像数据进行打印时,考虑原稿纸和复印纸的进给方向和尺寸。 当原稿和复印纸张的馈送方向相同时,只有可变尺度放大处理部分被激活才能执行可变尺度放大处理。 当原稿纸和复印纸张的馈送方向不同时,通过旋转处理部分和可变比例放大处理部分执行图像信号的旋转和可变尺度放大。 因此,无论原稿的方向和尺寸如何,图像都会自动复印到复印纸上。

    Facsimile apparatus capable of distinguishing the communication from a
particular transmitter
    37.
    发明授权
    Facsimile apparatus capable of distinguishing the communication from a particular transmitter 失效
    能够区分通信与特定发射机的传真设备

    公开(公告)号:US5262851A

    公开(公告)日:1993-11-16

    申请号:US914059

    申请日:1992-07-13

    IPC分类号: H04N1/23 H04N1/32 H04N1/46

    摘要: A facsimile apparatus capable of processing the image information receiving from a particular transmitter in a mode different from the usual mode of processing image information receiving to distinguish the communication from the particular transmitter from those transmitted by others immediately. For example, the image information receiving from the particular transmitter is recorded on different kind of paper from usual image information recording paper, or recorded in different color from usual image information recording color, or the paper recorded the image information from particular transmitter is discharged onto different tray from the tray onto which usual image information recording paper is discharged.

    摘要翻译: 一种传真装置,其能够处理以与通常的图像信息接收处理模式不同的模式从特定发射机接收的图像信息,以便将通信与特定发射机进行区分,并将其与其他发射机立即进行通信。 例如,从特定发送器接收的图像信息被记录在与普通图像信息记录纸不同的纸张上,或者与通常的图像信息记录颜色不同的颜色记录下来,或者将从特定的发送器记录的图像信息放到 来自托盘的不同托盘,通常的图像信息记录纸被放出到其上。

    Facsimile apparatus having improved error check function of reception
data
    38.
    发明授权
    Facsimile apparatus having improved error check function of reception data 失效
    具有改善接收数据的错误检查功能的传真装置

    公开(公告)号:US5253079A

    公开(公告)日:1993-10-12

    申请号:US740448

    申请日:1991-08-05

    IPC分类号: H04N1/00 H04N1/32 H04N1/417

    摘要: A facsimile apparatus according to the present invention includes a receiver for receiving a code data transmitted by another facsimile apparatus, a memory for storing code data received by the receiver, a predecoder for decoding code data received by the receiver sequentially into image data, a detecting device checking the image data decoded by the predecoder for detecting the presence of reception error, a transmitter for transmitting a signal indicating the detected result of the detecting device to another facsimile apparatus, a redecoder for decoding again code data stored in the memory into image data after a signal is transmitted from the transmitter, and an image forming apparatus for forming an image on a paper sheet according to the image data decoded by the redecoder.

    摘要翻译: 根据本发明的传真装置包括:接收器,用于接收由另一传真装置发送的代码数据;存储器,用于存储由接收器接收的代码数据;预解码器,用于将由接收器接收的代码数据顺序地解码成图像数据;检测 检测由预解码器解码的用于检测接收错误的存在的图像数据的装置,用于将指示检测装置的检测结果的信号发送到另一传真装置的发送器,用于再次将存储在存储器中的码数据解码为图像数据的重新编码器 在从发送器发送信号之后,以及根据由重新编码器解码的图像数据在纸张上形成图像的图像形成装置。

    Image reading apparatus capable of reading desired image areas
    39.
    发明授权
    Image reading apparatus capable of reading desired image areas 失效
    读取想要的图像区域的图像读取装置

    公开(公告)号:US5138670A

    公开(公告)日:1992-08-11

    申请号:US717689

    申请日:1991-06-19

    IPC分类号: H04N1/38 H04N1/387

    CPC分类号: H04N1/38 H04N1/3875

    摘要: A plurality of index members are arranged at desired positions on an end portion of a platen glass, the members being movable in a scanning direction of a scanner. A black mark is provided on a rear surface of each index member, and the mark as well as the original are read by an image reader, so that the positions of the index members can be detected. When one of the index members is detected as the scanner is moved, the image signals of the original included in the scanning region of the scanner are not outputted until the next index member is detected. In this manner, by continuously outputting image signals only of the desired areas of the original, the column skip edition can be readily and surely carried out.

    Color image forming method and apparatus for improved image color
reproducibility
    40.
    发明授权
    Color image forming method and apparatus for improved image color reproducibility 失效
    用于改善图像颜色再现性的彩色图像形成方法和装置

    公开(公告)号:US5136372A

    公开(公告)日:1992-08-04

    申请号:US406138

    申请日:1989-09-12

    CPC分类号: H04N1/506 H04N1/56

    摘要: An image forming apparatus for forming a color image in a plurality of colors including a plurality of image forming units which are different in image forming color from each other, a spatial frequency detector for detecting a spatial frequency relating to an image of a prescribed color for every portion of an image to be formed, and a control unit for controlling the image forming units to perform image formation by one of the image forming units in a portion belonging to that having a high spatial frequency within portions to be subjected to image formation in the prescribed color while performing image formation by overlapping a plurality of colors through at least two of the image forming units in a portion belonging to that having a low spatial frequency on the basis of a detection output from the spatial frequency detector. Method steps for improving image color reproducibility are also described.

    摘要翻译: 一种用于形成包括彼此不同的多个图像形成单元的多种颜色的彩色图像的图像形成装置,用于检测与规定颜色的图像相关的空间频率的空间频率检测器, 要形成的图像的每个部分,以及控制单元,用于控制图像形成单元,以在属于具有高空间频率的部分中的图像形成单元之一进行图像形成,以进行图像形成的部分 基于来自空间频率检测器的检测输出,在属于具有低空间频率的部分中的至少两个图像形成单元通过重叠多种颜色来执行图像形成。 还描述了用于改善图像颜色再现性的方法步骤。