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33 条记录 (耗时 0.028 秒)

    Linefeed control in belt-type printers
    4.
    发明授权
    Linefeed control in belt-type printers 失效
    皮带式打印机中的换行控制

    公开(公告)号：US06582072B1

    公开(公告)日：2003-06-24

    申请号：US09542504

    申请日：2000-04-03

    申请人： Geoff Wotton ,  Steven B Elgee ,  Jeffrey C. Madsen

    发明人： Geoff Wotton ,  Steven B Elgee ,  Jeffrey C. Madsen

    IPC分类号： B65H2932

    CPC分类号： B65H29/242 ,  B41J11/002 ,  B41J11/007 ,  B41J11/0085 ,  B65H2515/40

    摘要： Described are techniques for preventing the forces attributable to shrinkage of print media from shifting print media on the media-carrying belt in the vicinity of the print zone. In one approach, a “hold zone” is identified immediately upstream of the print zone. In the hold zone, a mechanism is employed for securing the media to be immovable relative to the belt. The hold mechanism provides sufficient force to overcome tension transmitted to the dry portion of the media as the remaining portion shrinks. In one embodiment, the hold mechanism is a roller that pinches the media against the belt. In another embodiment, the amount of vacuum pressure applied to the belt is regulated so that the suction force applied to the media in the hold zone is greater than the suction force applied to the media in the portion upstream of the hold zone.

    摘要翻译： 描述了用于防止归因于打印介质的收缩的力在打印区域附近的介质承载带上的打印介质移位的技术。 在一种方法中，在打印区域的紧邻的上游识别出“保持区域”。 在保持区域中，采用机构来固定相对于皮带不可移动的介质。 保持机构提供足够的力来克服当剩余部分收缩时传递到介质的干燥部分的张力。 在一个实施例中，保持机构是将介质夹在皮带上的辊。 在另一个实施例中，施加到带的真空压力的量被调节，使得施加到保持区中的介质的吸力大于在保持区的上游部分中施加到介质的吸力。

    Method and apparatus for ink-jet print zone drying
    6.
    发明授权
    Method and apparatus for ink-jet print zone drying 有权
    喷墨打印区域干燥的方法和装置

    公开(公告)号：US06390618B1

    公开(公告)日：2002-05-21

    申请号：US09479039

    申请日：2000-01-07

    申请人： Geoff Wotton ,  Todd R. Medin

    发明人： Geoff Wotton ,  Todd R. Medin

    IPC分类号： B41J201

    CPC分类号： B41J11/002 ,  B41J2/215

    摘要： An ink-jet hard copy apparatus provides a flow of air across the printing surface of a sheet of print media during printing operations. The airflow scrubs the boundary layer of the printing surface such that paper cockle is reduced by resultant improvement in drying time. A writing instrument deflector is used to prevent substantial interference with ink droplet flight trajectories due to positive airflow through the print zone.

    摘要翻译： 喷墨硬拷贝装置在打印操作期间提供穿过打印介质的打印表面的空气流。 气流擦拭印刷表面的边界层，从而通过改善干燥时间来减少纸le。 使用书写工具偏转器来防止由于通过打印区域的正气流而对墨滴飞行轨迹的实质性干扰。

    Printer with vacuum platen having bimetallic valve sheet providing selectable active area
    7.
    再颁专利
    Printer with vacuum platen having bimetallic valve sheet providing selectable active area 失效
    具有双金属阀片的真空压板的打印机提供可选的有效区域

    公开(公告)号：USRE39441E1

    公开(公告)日：2006-12-26

    申请号：US10771262

    申请日：2004-02-03

    申请人： Geoff Wotton ,  Robert M. Yraceburu ,  Steven B. Elgee

    发明人： Geoff Wotton ,  Robert M. Yraceburu ,  Steven B. Elgee

    IPC分类号： B41F13/24

    CPC分类号： B41J11/06 ,  B41J11/002 ,  B41J11/0085

    摘要： A printer has a media transport with a rigid, air-transmissive platen. A movable air-transmissive flexible web overlays the platen. A suction device communicates with the platen to draw air through the web and through the platen such that a sheet of media carried on the web is biased toward the platen. A valve sheet overlays or underlies the platen, and includes a plurality of shut-off elements, each movable in response to temperature changes between a closed position in which the element contacts a portion of the platen to prevent air flow through that portion of the platen, and an open position, in which the element is spaced apart from the platen to admit air to the platen portion. The shut off elements may include resistive heaters and bimetallic strips so that application of electricity generates heat to flex the strip to an open position.

    摘要翻译： 打印机具有带刚性，透气压板的介质输送。 可移动的空气透过的柔性幅材覆盖压板。 抽吸装置与压板连通，以将空气抽吸通过幅材并通过压板，使得承载在纸幅上的纸张被朝向压板偏压。 一个阀片叠置在压板上或其下方，并且包括多个切断元件，每个切断元件可以响应温度变化而移动，该关闭位置在该关闭位置之间，其中元件接触压板的一部分，以防止空气流过压板的该部分 ，以及打开位置，其中元件与压板间隔开以允许空气进入压板部分。 切断元件可以包括电阻加热器和双金属条，使得施加电产生热量以将条带弯曲到打开位置。

    Printer with vacuum platen having bimetallic valve sheet providing selectable active area
    8.
    发明授权
    Printer with vacuum platen having bimetallic valve sheet providing selectable active area 有权

    公开(公告)号：US06571702B2

    公开(公告)日：2003-06-03

    申请号：US09726964

    申请日：2000-11-29

    申请人： Geoff Wotton ,  Robert M. Yraceburu ,  Steven B. Elgee

    发明人： Geoff Wotton ,  Robert M. Yraceburu ,  Steven B. Elgee

    IPC分类号： B41F1324

    CPC分类号： B41J11/06 ,  B41J11/002 ,  B41J11/0085

    摘要： A printer has a media transport with a rigid, air-transmissive platen. A movable air-transmissive flexible web overlays the platen. A suction device communicates with the platen to draw air through the web and through the platen such that a sheet of media carried on the web is biased toward the platen. A valve sheet overlays or underlies the platen, and includes a plurality of shut-off elements, each movable in response to temperature changes between a closed position in which the element contacts a portion of the platen to prevent air flow through that portion of the platen, and an open position, in which the element is spaced apart from the platen to admit air to the platen portion. The shut off elements may include resistive heaters and bimetallic strips, so that application of electricity generates heat to flex the strip to an open position.

    Heated vacuum platen
    9.
    发明授权
    Heated vacuum platen 失效
    加热真空压板

    公开(公告)号：US06454478B2

    公开(公告)日：2002-09-24

    申请号：US09878632

    申请日：2001-06-11

    申请人： Geoff Wotton ,  Steve O. Rasmussen

    发明人： Geoff Wotton ,  Steve O. Rasmussen

    IPC分类号： B41J201

    CPC分类号： B41J11/0085 ,  B41J11/002 ,  B41J11/007 ,  B41J11/06

    摘要： Predetermined geometric constructs reduce heat loss in a vacuum platen and assist in the reduction of paper cockle in ink-jet printing. A vacuum platen for supporting media during printing is provided with a plurality of heating elements and surfaces interspersed with vacuum ports. The heater elements are laid into surface channels of the platen such that an insulative gap separates the heaters from the main platen support structure. In an alternative embodiment, an insulative gasket is provided for the gap.

    摘要翻译： 预定的几何结构减少真空压板中的热损失，并有助于在喷墨打印中减少纸。。 在打印期间用于支撑介质的真空压板设置有散布有真空端口的多个加热元件和表面。 加热器元件被放置在压板的表面通道中，使得绝缘间隙将加热器与主压板支撑结构分开。 在替代实施例中，为间隙提供绝缘垫圈。

    Vacuum control for vacuum holddown
    10.
    发明授权
    Vacuum control for vacuum holddown 有权
    真空压紧真空控制

    公开(公告)号：US06254090B1

    公开(公告)日：2001-07-03

    申请号：US09292125

    申请日：1999-04-14

    申请人： John D. Rhodes ,  Steve O. Rasmussen ,  Angela Chen ,  Geoff Wotton

    发明人： John D. Rhodes ,  Steve O. Rasmussen ,  Angela Chen ,  Geoff Wotton

    IPC分类号： B65H508

    CPC分类号： G03G15/6597 ,  B41J11/0085 ,  B41J13/226 ,  B65H5/222 ,  B65H2406/332 ,  B65H2406/351 ,  B65H2406/3632

    摘要： A mechanism for manifolding a vacuum force to separate surface sectors of a vacuum holddown uses subsurface ducting to apply the vacuum to separate subsurface vacuum plenums wherein each is fluidically coupled to a separate surface sectors. The plenum is segregated by a diaphragm into surface side and vacuum side cavities. Trigger ports and appropriate ducting through the holddown subjacent the surface associated with each sector determine how the vacuum is routed. Only when a trigger port is covered is the vacuum routed to the surface sector associated therewith. The system can be implemented in planar or curvilinear constructs and be provided with features to accommodate a near-continuous range of flexible material sizes. A specific implementation in an ink-jet hard copy apparatus is also described.

    摘要翻译： 用于歧管真空力以分离真空压紧的表面部分的机构使用地下管道将真空施加到分开的地下真空室，其中每个都与流体耦合到单独的表面扇区。 气室通过隔膜分隔成表面侧和真空侧腔。 触发端口和通过与每个扇区相关联的表面下方的压盖的适当管道决定了真空如何路由。 只有当触发端口被覆盖时，真空被引导到与其相关联的表面扇区。 该系统可以在平面或曲线构造中实现，并且具有能够适应近连续范围的柔性材料尺寸的特征。 还描述了喷墨硬拷贝装置中的具体实现。