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公开(公告)号：EP0798601A3
公开(公告)日：1998-09-16
申请号：EP97302029
申请日：1997-03-25
申请人： XEROX CORP
CPC分类号： B65H39/10 , B65H2402/10
摘要： A system and method for manually removably locking a paper handling (20) module to a reproduction apparatus (10) with greatly reduced manual force, wherein the reproduction apparatus and the paper handling module have respective sheet feed openings which are operatively aligned for sheet feeding therebetween when the module (20) is so locked to the reproduction apparatus in a locking position, and wherein the paper handling module has a weight which is undesirable for manual lifting into the locking position. The module (20) is supported on an integral module transporting system (26-33) to be freely movable in any horizontal direction into an initial docking position closely adjacent to the reproduction apparatus (10). Then, slightly vertically lifting at least one side of the module (20) with only a small vertical manual lifting force while most of the weight of the module is lifted with an automatic weight lifting system (34, 35), moving the module towards the locking position, and then removing the small vertical manual lifting force from the module, to drop and lock the module to the reproduction apparatus (10). The automatic weight lifting may be provided by vertically movably spring (34) loading at least one side of the module on the module transporting system (26-33).
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公开(公告)号：EP0655709A3
公开(公告)日：1998-09-16
申请号：EP94308746
申请日：1994-11-28
申请人： XEROX CORP
发明人： KLOTZ LEIGH L JR
CPC分类号： G06K19/06
摘要： A novel form and method for creating and using document sized file storage sheets (10) containing one or more files (16-22), employing a user model similar to that of a floppy disk. A storage sheet comprises at least one sheet (10) of an information storing substrate material, commonly paper. A system (30; Fig.2) for the inputting and processing of storage sheet images is also disclosed. The storage sheet (10) comprises a machine readable mark, a "file storage sheet flag", (12) which alerts the system is currently reading a file storage sheet (10). Upon image input, this flag (12) is deliberately scanned for by the system. The storage sheet (10) also comprises a machine readable directory (14) that informs the system about the general characteristics of the files (16-22) stored on the sheet (10). Such general information may include the name of the files (16-22), the number of bytes, creation date, owner, the location of the first byte of the file (16-22) on the sheet, and the like. If the current file storage sheet (10) comprises more than one sheet, then the directory (14) may inform the system (30; Fig.2) where the files (16-22) are located among the separate sheets. A file storage sheet may optionally comprises a human readable label (13) and a human readable directory.
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公开(公告)号：EP0774855A3
公开(公告)日：1998-07-29
申请号：EP96308219
申请日：1996-11-14
申请人： XEROX CORP
发明人： YEH THOMAS I , TSE FRANCIS K , LAHUE GEORGE W
CPC分类号： H04N1/40075
摘要： A system and process prints a high resolution image on a high addressable image output terminal by converting an image at one resolution to an image having a lower resolution in a fast-scan direction and a higher resolution in a pixel depth direction. The converted image is then processed and binarized prior to being printed on a high addressable printer. The system or process utilizes a conversion circuit which includes a two-bit per pixel packing circuit, a scanline buffer circuit, a logic circuit, and a look-up table. The conversion circuit initially converts the image into an image having a lower resolution in the fast-scan direction and a higher pixel depth resolution. Thereafter, the image is further converted to an image having a lower resolution in the slow-scan direction and a higher pixel depth resolution. This conversion of a high resolution image to a lower resolution is carried without any substantial lost to the image content data.
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公开(公告)号：EP0747973A3
公开(公告)日：1998-07-29
申请号：EP96304094
申请日：1996-06-05
申请人： XEROX CORP
IPC分类号： G01T1/24 , H01L27/146 , H01L31/09 , H01L31/10 , H01L31/105 , H01L27/144
CPC分类号： H01L27/14665
摘要： A sensor array (29) includes includes multiple sensor elements that each have a collection electrode (35) in contact with a photosensitive layer (33). The photosensitive layer (33) is configured to produce a detectable response at the collection electrode (35) upon incidence of radiation in a responsive zone of the photosensitive layer. A gate electrode layer (31) is separated from the photosensitive layer by a dielectric layer (32), with adjustments to voltage applied to the gate electrode layer (31) inducing changes in areal extent of the responsive zone of the photosensitive layer. Changing the size of the responsive zone permits performance of image convolutions for edge detection, data compression, or other Gaussian convolutions by the sensor array, rather than by post-detection electronics.
摘要翻译： 传感器阵列包括多个传感器元件，每个传感器元件具有与感光层接触的收集电极。 感光层配置成在感光层的响应区域中辐射入射时在收集电极处产生可检测的响应。 通过电介质层将栅电极层与感光层分开，调整施加到栅电极层的电压，引起感光层响应区的面积范围的变化。 改变响应区域的大小允许通过传感器阵列而不是检测后电子装置执行用于边缘检测，数据压缩或其他高斯卷积的图像卷积。
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公开(公告)号：EP0759583A3
公开(公告)日：1998-06-17
申请号：EP96305823
申请日：1996-08-08
申请人： XEROX CORP
CPC分类号： G03G21/0035
摘要： An apparatus and method for removing particles (15) from a cleaner brush (50) used to clean a photoreceptive surface (11). The apparatus and method include a cleaning brush (50) or other cleaning device and a ceramic coated detoning roll (80) resistive to wear. The detoning roll (80) consists of a low electrically conductive coating over (85) a conductive substrate material having a short electrical relaxation time constant.
摘要翻译： 一种用于从用于清洁感光表面（11）的清洁刷（50）中去除颗粒（15）的装置和方法。 该装置和方法包括清洁刷（50）或其他清洁装置和陶瓷涂层的耐磨损的起爆辊（80）。 起爆辊（80）由（85）具有短电弛豫时间常数的导电衬底材料上的低导电涂层组成。
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公开(公告)号：EP0741339A3
公开(公告)日：1998-06-17
申请号：EP96303159
申请日：1996-05-03
申请人： XEROX CORP
CPC分类号： H01T19/00 , G03G15/0291
摘要： A modular charging device for use in a printing or imaging system includes a plurality of individual charging units (6) and means (4) for arranging the plurality of individual charging units (6) together in a modular fashion. The modular charging device may be arc-shaped to uniformly charge a rotating drum or a circular belt, or may be linear to uniformly charge a linear imaging member.
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57.发明公开Method and apparatus for printing having logic circuitry to reduce video data input rate 失效压力的装置和逻辑电路的方法，视频数据的输入速率，以减少
公开(公告)号：EP0703086A3
公开(公告)日：1998-06-03
申请号：EP95306785
申请日：1995-09-26
申请人： XEROX CORP
发明人： DONAHUE FREDERICK A
CPC分类号： G06K15/107 , B41J2/205 , G06K2215/0074
摘要： A method and apparatus for checkerboard printing by a liquid ink printing apparatus, such as a thermal ink jet printer, includes circuitry 56,58 for reducing video data rate in checkerboard printing by controlling the odd and even vertical print strokes of a reciprocating printhead mounted to a scanning carriage. The amount of bitmapped image data, also known as video data, is reduced by one half or more and prior to being sent to the printhead for printing checkerboard patterns. Reduction of the bitmapped image data is accomplished by a data packer circuit 56 which selects certain bits of the bitmapped image data for printing by the printhead in a checkerboard pattern. At the printhead, the bitmapped image is reconstructed by a data unpacker circuit 58 to cause selective ejection of ink from the appropriate nozzles of the printhead. Two or more passes information are printed to complete printing of the bitmapped image data.
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公开(公告)号：EP0792700A3
公开(公告)日：1998-05-27
申请号：EP97301074
申请日：1997-02-19
申请人： XEROX CORP
CPC分类号： B09C1/005 , B09C2101/00 , E21B43/121 , E21B43/34
摘要： A method and apparatus are disclosed for removing contaminants from the ground using vacuum extraction. Specifically, a circuit (400) is disclosed that can control the flow of atmospheric air into a vacuum extraction well (114). By controlling the air flow into the well, the air flow circuit serves to regulate the vacuum that is applied to sub-surface contaminants. This vacuum lifts the contaminated effluent from the ground, so it can be subjected to further processing.
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59.发明公开Subpixel character positioning with antialiasing with grey masking techniques 失效Anti-Alias-Unterpixel-Zeichenpositionierung mit Grauwertmaskierungstechniken
公开(公告)号：EP0814431A2
公开(公告)日：1997-12-29
申请号：EP97304175
申请日：1997-06-16
申请人： XEROX CORP
CPC分类号： G06T5/20 , G06T5/50 , G06T2200/12
摘要： A method for combining foreground objects defined by a mask value and shade value, with a background image defined by a shade value, using high resolution edge information derived from low resolution grey image representations. By treating the object edge pixels in a high resolution grey model, characteristics of an edge represented by an edge pixel can be approximated by reference to surrounding grey elements. Movement of the edge can be approximated by changing the mask values in the high resolution grey model. Changes in the overall grey level of the pixel resulting from the mask changes cause the impression of edge movement in the low resolution edge.
摘要翻译： 使用由低分辨率灰度图像表示导出的高分辨率边缘信息，将由掩模值和阴影值定义的前景对象与由阴影值定义的背景图像组合的方法。 通过以高分辨率灰色模型处理对象边缘像素，可以通过参考周围的灰色元素近似由边缘像素表示的边缘的特征。 可以通过改变高分辨率灰色模型中的掩码值来近似移动边缘。 由掩模变化导致的像素的总体灰度级的变化导致在低分辨率边缘中的边缘移动的印象。
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60.发明公开Method of and system for unifying data structures 失效Verfahren und System um Datenstrukuren zu vereinigen
公开(公告)号：EP0814417A1
公开(公告)日：1997-12-29
申请号：EP97304334
申请日：1997-06-19
申请人： XEROX CORP
发明人： MAXWELL JOHN T II , KAPLAN RONALD M
CPC分类号： G06F8/3135 , G06F17/27
摘要： A method of and system for unifying data structures (72, 82) creates opaque clauses that can be handled independent of the combination of contexts they represent. In conjoining a first clause and a second clause as part of a unification of a first graph, if the conjoined clause is not already copied to the first graph, then a third clause is created that is opaque and has a pointer to the conjoined clause.
摘要翻译： 用于统一数据结构（72,82）的方法和系统创建不透明条款，可以独立于它们表示的上下文的组合来处理。 将第一个子句和第二个子句结合起来，作为第一个图形的统一的一部分，如果连接的子句没有被复制到第一个图形，那么创建一个第三个子句是不透明的，并且有一个指向联结子句的指针。
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