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公开(公告)号：EP0540987B1
公开(公告)日：1996-03-27
申请号：EP92118351.3
申请日：1992-10-27
发明人： Nguyen, Michael A. , Stewart, Lowell J. , Kline, Daniel S. , Boeller, Robert A. , Ta, Chuong C. , Haselby, Robert D.
IPC分类号： B41J25/304 , B41J2/51
CPC分类号： B41J25/005 , B41J2/2103 , B41J19/142 , B41J25/304 , G01D9/38 , G01D15/20
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公开(公告)号：EP0540987A3
公开(公告)日：1993-09-22
申请号：EP92118351.3
申请日：1992-10-27
发明人： Nguyen, Michael A. , Stewart, Lowell J. , Kline, Daniel S. , Boeller, Robert A. , Ta, Chuong C. , Haselby, Robert D.
IPC分类号： B41J25/304 , B41J2/51
CPC分类号： B41J25/005 , B41J2/2103 , B41J19/142 , B41J25/304 , G01D9/38 , G01D15/20
摘要： A printer/plotter having multiple printheads which move in the given scan direction to apply a swath of images to media which is periodically advanced in a media feed direction, comprises carriage means (34) for holding multiple printheads (C1, C2) which are each separately removable from said carriage means; first mounting means on the carriage means (34) for holding a first printhead (C2) a predetermined distance from the media (27); second mounting means on the carriage means (34) for holding a second printhead (C1) substantially the same predetermined distance from the media (27), said second mounting means holding said second printhead (C1) in a position displaced from said first printhead (C2) in the media feed direction (X) such that the width of a swath printed by both said first and second printheads is greater than a swath printed by only one of said first and second printheads.
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公开(公告)号：EP0827839B1
公开(公告)日：2002-03-20
申请号：EP97110773.5
申请日：1997-07-01
发明人： Ta, Chuong C.
IPC分类号： B41J2/51
CPC分类号： B41J25/001 , B41J2/2103 , B41J2/2132 , B41J19/142 , B41J25/005 , B41J25/304 , G01D9/38 , G01D15/20
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4.发明授权
公开(公告)号：EP0706894B1
公开(公告)日：1999-11-03
申请号：EP95109832.6
申请日：1995-06-23
发明人： Samii, Morad M. , Ta, Chuong C.
CPC分类号： B41J13/103
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公开(公告)号：EP0827839A1
公开(公告)日：1998-03-11
申请号：EP97110773.5
申请日：1997-07-01
发明人： Ta, Chuong C.
IPC分类号： B41J2/51
CPC分类号： B41J25/001 , B41J2/2103 , B41J2/2132 , B41J19/142 , B41J25/005 , B41J25/304 , G01D9/38 , G01D15/20
摘要： A swath type printer including a print carriage supported printhead (25) and a printhead positioning mechanism (91, 111, 121, 122) for adjusting the position of the printhead relative to the media axis at the end of each scan of the carriage along a carriage axis, such that dots printed by printing elements of the printhead in a sequence of a first scan and a second scan of the print carriage are interleaved along the media axis and are separated along the media axis by one-half of the predetermined printing element dot pitch.
摘要翻译： 一种带式打印机，包括打印托架支撑的打印头（25）和打印头定位机构（91,111,121,122），用于在沿着托架的每次扫描结束时调节打印头相对于介质轴的位置 使得以打印头的第一扫描和第二次扫描的顺序打印打印头的印刷点沿着介质轴交错，并沿着介质轴分离预定打印元件的一半 点距。
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公开(公告)号：EP0294154A3
公开(公告)日：1991-09-25
申请号：EP88304950.4
申请日：1988-05-31
CPC分类号： G01D5/2457 , G01D5/34715 , G01D15/24
摘要： The single channel encoder comprises a transparent scale (2) in which the scale divisions are defined by transverse opaque lines (2a) having a width greater than the width between the opaque lines. An emitter holder (14) and a detector holder (13) snap together clamping an aperture plate (12) therebetween. The aperture plate has a slit (12a) therein which is disposed in the optical path between the emitter (11) and the detector (10). Projections functioning as scale supports on the opposite sides of the emitter holder and the detector holder are disposed in longitudinally spaced positions and define a gap therebetween for engaging the outside edges of the encoder scale (2) outside of the opaque transverse lines (2a) to precisely position the tape in the optical path for maintaining a constant gap between the encoder scale and the aperture plate.
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公开(公告)号：EP0294154A2
公开(公告)日：1988-12-07
申请号：EP88304950.4
申请日：1988-05-31
CPC分类号： G01D5/2457 , G01D5/34715 , G01D15/24
摘要： The single channel encoder comprises a transparent scale (2) in which the scale divisions are defined by transverse opaque lines (2a) having a width greater than the width between the opaque lines. An emitter holder (14) and a detector holder (13) snap together clamping an aperture plate (12) therebetween. The aperture plate has a slit (12a) therein which is disposed in the optical path between the emitter (11) and the detector (10). Projections functioning as scale supports on the opposite sides of the emitter holder and the detector holder are disposed in longitudinally spaced positions and define a gap therebetween for engaging the outside edges of the encoder scale (2) outside of the opaque transverse lines (2a) to precisely position the tape in the optical path for maintaining a constant gap between the encoder scale and the aperture plate.
摘要翻译： 单通道编码器包括透明标尺（2），其中刻度分度由横向不透明线（2a）限定，该横向不透明线（2a）的宽度大于不透明线之间的宽度。 一个发射器夹持器（14）和一个检测器夹持器（13）卡在一起夹紧其间的孔板（12）。 孔板在其中具有狭缝（12a），其设置在发射器（11）和检测器（10）之间的光路中。 在发射器支架和检测器支架的相对侧上起到刻度支撑作用的投影被设置在纵向间隔开的位置中并且在它们之间限定间隙以用于在编码器标尺（2）的外侧边缘与不透明横向线（2a）至 将光带准确地定位在光路中以保持编码器标尺和光圈板之间的恒定间隙。
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8.发明公开
公开(公告)号：EP0706894A3
公开(公告)日：1998-02-18
申请号：EP95109832.6
申请日：1995-06-23
发明人： Samii, Morad M. , Ta, Chuong C.
IPC分类号： B41J13/03
CPC分类号： B41J13/103
摘要： An improved paper separator system (10) is described where, instead of a symmetrical, cylindrical paper-feed roller, an asymmetrical feed roller (20) (or stripper roller) is used to separate a bottommost sheet from a stack of sheets (14). Eccentric portions (40, 42) of the feed roller are located at both ends of the roller, and the middle portion (44) of the roller is cylindrical. Paper-feed springs (22, 24) oppose the eccentric portions of the feed roller, while a centrally located separator pad (26) opposes the cylindrical middle portion of the feed roller. The extended radius at the apogee (60) of the eccentric portions allows the eccentric portions to effectively reach out and grab the bottommost sheet even if the stack of sheets were only initially lightly contacting the roller. The eccentric portions of the feed roller also provide surges in the frictional force urging the bottommost sheets toward the separator pad. This surge in force acts to spread out (or pre-separate) the paper in the stack so the paper can be more easily separated by the separator pad. In one embodiment, the eccentric end portions are formed by cutting ends of a cylindrical roller (20) and then placing a shim (50) between the center shaft (46) and each end portion (40, 42).
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9.发明公开Paper picking and separator system for facsimile or copy machine 失效Papierentnahme und -trennungssystemfürFaksimile- undKopiergeräte
公开(公告)号：EP0706894A2
公开(公告)日：1996-04-17
申请号：EP95109832.6
申请日：1995-06-23
发明人： Samii, Morad M. , Ta, Chuong C.
IPC分类号： B41J13/03
CPC分类号： B41J13/103
摘要： An improved paper separator system (10) is described where, instead of a symmetrical, cylindrical paper-feed roller, an asymmetrical feed roller (20) (or stripper roller) is used to separate a bottommost sheet from a stack of sheets (14). Eccentric portions (40, 42) of the feed roller are located at both ends of the roller, and the middle portion (44) of the roller is cylindrical. Paper-feed springs (22, 24) oppose the eccentric portions of the feed roller, while a centrally located separator pad (26) opposes the cylindrical middle portion of the feed roller. The extended radius at the apogee (60) of the eccentric portions allows the eccentric portions to effectively reach out and grab the bottommost sheet even if the stack of sheets were only initially lightly contacting the roller. The eccentric portions of the feed roller also provide surges in the frictional force urging the bottommost sheets toward the separator pad. This surge in force acts to spread out (or pre-separate) the paper in the stack so the paper can be more easily separated by the separator pad. In one embodiment, the eccentric end portions are formed by cutting ends of a cylindrical roller (20) and then placing a shim (50) between the center shaft (46) and each end portion (40, 42).
摘要翻译： 描述了一种改进的纸分离器系统（10），其中代替对称的圆柱形供纸辊，使用非对称进给辊（或剥离辊）来将最下面的纸张与一叠纸张（14）分离， 。 进料辊的偏心部分（40,42）位于辊的两端，辊的中间部分（44）是圆柱形的。 送纸弹簧（22,24）与进给辊的偏心部分相对，而位于中心的分隔垫（26）与进给辊的圆柱形中间部分相对。 偏心部分的远地点（60）处的延伸半径允许偏心部分有效地伸出并抓住最底部的片材，即使该堆叠的纸张最初仅轻轻地接触辊子。 进给辊的偏心部分也提供了将最下面的薄片推向分隔垫的摩擦力的浪涌。 这种浪涌作用是将纸张分散（或预分离）在堆叠中，使得纸张可以更容易地被分离器垫分离。 在一个实施例中，偏心端部通过切割圆柱形辊（20）的端部，然后将垫片（50）放置在中心轴（46）和每个端部（40,42）之间形成。
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10.发明公开Wide-swath printer/plotter using multiple pen cartridges 失效Grossbereich-Drucker / Schreiber mit mehreren Schreibkassetten。
公开(公告)号：EP0540987A2
公开(公告)日：1993-05-12
申请号：EP92118351.3
申请日：1992-10-27
发明人： Nguyen, Michael A. , Stewart, Lowell J. , Kline, Daniel S. , Boeller, Robert A. , Ta, Chuong C. , Haselby, Robert D.
IPC分类号： B41J25/304 , B41J2/51
CPC分类号： B41J25/005 , B41J2/2103 , B41J19/142 , B41J25/304 , G01D9/38 , G01D15/20
摘要： A printer/plotter having multiple printheads which move in the given scan direction to apply a swath of images to media which is periodically advanced in a media feed direction, comprises carriage means (34) for holding multiple printheads (C1, C2) which are each separately removable from said carriage means; first mounting means on the carriage means (34) for holding a first printhead (C2) a predetermined distance from the media (27); second mounting means on the carriage means (34) for holding a second printhead (C1) substantially the same predetermined distance from the media (27), said second mounting means holding said second printhead (C1) in a position displaced from said first printhead (C2) in the media feed direction (X) such that the width of a swath printed by both said first and second printheads is greater than a swath printed by only one of said first and second printheads.
摘要翻译： 一种具有多个打印头的打印机/绘图机，其具有沿给定的扫描方向移动以将一幅图像施加到在介质进给方向上周期性地前进的介质的图像，包括用于保持多个打印头（C1，C2）的托架装置（34） 可分离地从所述托架装置移除; 用于保持与介质（27）预定距离的第一打印头（C2）的滑架装置（34）上的第一安装装置; 用于将第二打印头（C1）保持在与介质（27）基本相同的预定距离的托架装置（34）上的第二安装装置，所述第二安装装置将所述第二打印头（C1）保持在从所述第一打印头 C2），使得由所述第一和第二打印头两者打印的条纹的宽度大于仅由所述第一和第二打印头中的一个打印的条纹。
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