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    • 1. 发明授权
    • Servo motor feedback used as drive train diagnostic
    • 伺服电机反馈用作传动系诊断
    • US5739653A
    • 1998-04-14
    • US777017
    • 1997-01-21
    • Gerald L. Coy
    • Gerald L. Coy
    • B41J29/38H02P1/00
    • B41J29/38
    • Diagnosis of servo motor driven drive train problems based upon changes in the rotational velocity of the servo motor as electrically operable drive line components are selectively engaged. The unloaded (unloaded) rotational velocity of a servo motor is determined, a drive train component that couples a load to the servo motor is energized, the change in the rotational velocity of the servo motor caused by engaging the drive train component is determined, and, if the servo motor rotational velocity falls outside of a predetermined limit the drive line fault that causes that rotational velocity to fall outside of that limit is identified. Beneficially, the status of the drive train is sent to a remote location using a data link.
    • 选择性地接合基于作为电可操作的驱动线部件的伺服电动机的旋转速度的变化的伺服电动机驱动的传动系问题的诊断。 确定伺服电动机的无负载(无负载)旋转速度,将负载耦合到伺服电动机的传动系部件通电,确定由与传动系部件接合而引起的伺服电动机的转速的变化, 如果伺服电动机旋转速度超出预定极限,则识别导致旋转速度超出该极限的驱动线故障。 有利的是,使用数据链路将传动系统的状态发送到远程位置。
    • 5. 发明授权
    • Method of automatically setting document registration and locating
calibration strip
    • 自动设置文档注册和定位校准条的方法
    • US5091654A
    • 1992-02-25
    • US573825
    • 1990-08-28
    • Gerald L. CoyKenneth BuckWilliam Blitz
    • Gerald L. CoyKenneth BuckWilliam Blitz
    • B41J29/42H04N1/04H04N1/047H04N1/10H04N1/193
    • H04N1/047H04N1/1013H04N1/193H04N2201/04703H04N2201/04755
    • A method of locating the position of an object on the platen of a raster input scanner having a movable scan carriage and an extended array of scanners is disclosed. The method includes the steps of obtaining a previously stored theoretical position of the object from a memory, locating the scan carriage at a position spaced a predetermined distance from the previously stored position, moving the scan carriage toward the previously stored position while operating at least some of the scanners until a target on the object is detected by the operating scanners, and storing a target position of the scan carriage where the target is detected. The target position can represent the location of the scanner's calibration strip or the registration position of a document. After the target position is stored, the scan carriage can be located at the target position for calibrating the scanners if the target position represents the location of the calibration strip. Alternatively, the scan carriage can be located at the target position prior to actuating the scanners for each subsequent document to be scanned if the target position represents a document registration position. This procedure is repeated to determine the document registration positions for documents which are placed on the platen manually, by an SADH or SALDH input, by a CFF input, or by an RDH input.
    • 公开了一种将物体的位置定位在具有可移动扫描托架和扩展的扫描器阵列的光栅输入扫描器的压板上的方法。 该方法包括以下步骤:从存储器获得物体的先前存储的理论位置,将扫描托架定位在与先前存储的位置间隔预定距离的位置,将扫描托架移动到先前存储的位置,同时操作至少一些 的扫描器,直到操作扫描仪检测到物体上的目标,并且存储检测到目标的扫描托架的目标位置。 目标位置可以表示扫描仪的校准条的位置或文档的注册位置。 在存储目标位置之后,如果目标位置表示校准条的位置,则扫描托架可以位于目标位置以校准扫描器。 或者,如果目标位置表示文档登记位置,则扫描托架可以在对于要扫描的每个后续文档的致动扫描器之前位于目标位置。 重复此过程以通过手动,SADH或SALDH输入,CFF输入或RDH输入手动放置在压板上的文档的文档注册位置。
    • 6. 发明授权
    • User-friendly document input
    • 用户友好的文档输入
    • US5072923A
    • 1991-12-17
    • US569807
    • 1990-08-20
    • Gerald L. Coy
    • Gerald L. Coy
    • B65H7/08B65H7/04B65H11/00G03G15/00
    • G03G15/60G03G2215/00185
    • A method and apparatus for document feeding for improved operator document manual insertion in which a document may be manually initially inserted into a document input area and released. The document is sensed in the document input area by a document sensor, and then automatically clamped in a document feeding nip which is automatically actuated in response to the document sensing, and then the document is automatically fed. Here, a first time delay period is provided between the sensing of the manually inserted document and the automatic clamping of the document. A second time delay is provided between the automatic clamping and the automatic feeding of the document. Preferably the automatic clamping of the document in the feeding nip is with a limited initial nip force sufficiently low to allow manual document retraction without document damage during the second time delay period. Furthermore, preferably the document sensing automatically actuates an operator display, but here a substantial present time delay is provided between the sensing of the manually inserted document by the document sensor and the automatic actuation of the operator display.
    • 7. 发明授权
    • Double feeding prevention in a bottom sheet document feeder
    • 底部进纸器中双重进纸防止
    • US5062602A
    • 1991-11-05
    • US572279
    • 1990-08-24
    • Glenn F. KressGerald L. Coy
    • Glenn F. KressGerald L. Coy
    • B65H3/12B65H3/52G03G15/00
    • B65H3/523
    • A multifeed resistance system 90 which is a simple and low cost modification of known non-retard type bottom sheet separator/feeders, especially a vacuum feeder 17 in which the stack 14 of sheets is fluffed by an air knife 18 and the front area of the bottom sheet 98 is pulled down by vacuum and fed vacuum out from the bottom of the stack 14 with the corrugating vacuum belt feeder 17 and there fed out of the tray 16 from underneath the stack 14. A limited area of special multifeed resisting or retarding member 92 under the rear area of the stack 14 has been found to be effective in resisting multifeeds, yet not interfere with effective bottom sheet sequential feeding. One or more areas of the double feeding resistance member 92 overly the rear or upstream portion of the stack supporting bottom surface 15 of the stacking tray 16. This is an oriented (one-way) fiber mat, cloth or pad material, the fibers 94 of which are angled upstream (oriented towards the rear of the tray 16). These upstream oriented fibers 94 engage the trail or upstream edge area of the second-from-the-bottom sheet 96 to resist its downstream movement as the bottom-most sheet 98 is being initially separated and fed out.
    • 已知的非延迟型底片分离器/进料器,特别是真空进料器17的简单且低成本的改进的多进给电阻系统90,其中片材堆14由气刀18起飞, 底部片98被真空拉下并且用瓦楞真空带馈送器17从堆叠14的底部送出真空,并且从堆叠14的下面从托盘16馈送出来。特殊的多面耐压或延迟构件的限定区域 已经发现在堆叠14的后部区域92处有效地抵抗多片材料,但是不会干扰有效的底片顺序进给。 双重进给电阻部件92的一个或多个区域覆盖堆叠托盘16的堆叠支撑底表面15的后部或上游部分。这是定向(单向)纤维垫,布或垫材料,纤维94 其向上游倾斜(朝向托盘16的后部)。 这些上游取向纤维94接合第二底层片材96的尾部或上游边缘区域,以抵抗其下游运动,因为最底层片材98最初分离并送出。
    • 9. 发明授权
    • Document handler interdocument gap control system
    • 文件处理员文件间隙控制系统
    • US5461468A
    • 1995-10-24
    • US332054
    • 1994-10-31
    • Neil J. DempseyStephen J. Wenthe, Jr.Gerald L. Coy
    • Neil J. DempseyStephen J. Wenthe, Jr.Gerald L. Coy
    • B65H5/00B65H85/00G03G15/00H04N1/00G03G21/00
    • G03G15/602B65H5/00H04N1/0057H04N1/00578H04N1/0058H04N1/00602H04N1/00652B65H2511/22B65H2513/104
    • A document handling system for sequentially feeding document sheets to be imaged with a controlled minimized interdocument gap therebetween even though the sheet separator-feeder sequentially feeds the documents from the stack in the input tray with initial interdocument gap variations to a second transport path portion feeding the document sheets through the imaging station at a constant velocity. A first servo drive feeds the documents in a first path portion including the separator-feeder, and a second servo drive feeds the documents in a second path portion providing the constant velocity. A sheet edge sensor in the first path portion signals the passage of the lead or trail edge of document sheets. A servo controller connecting with the sheet edge sensor and the first servo drive automatically measures the initial interdocument gap variations and change the feeding of document sheets in the first path portion so as to automatically changes the interdocument gap to a preset desired minimum interdocument gap in the second path portion. Preferably the second servo drive has an encoder generating signals proportional to its drive and the servo controller counts these signals between the passage of the trail edge of one document sheet and the passage of the lead edge of the next sequential document sheet past the sheet edge sensor, to calculate control signals for the first servo drive to drive it variably longer at a higher velocity than the second servo drive.
    • 一种文件处理系统,用于顺序地馈送要被成像的文档片材,其间具有受控的最小化的文档间隙,即使片材分离器进料器依次地将来自进料盘中的堆叠的文件馈送到具有初始文档间隙变化的第二传送路径部分, 以恒定的速度通过成像站的文档片材。 第一伺服驱动器将文件馈送在包括分离器进料器的第一路径部分中,并且第二伺服驱动器将文档馈送在提供恒定速度的第二路径部分中。 第一路径部分中的片材边缘传感器用信号通知文件片材的引导线或尾端边缘。 与片材边缘传感器和第一伺服驱动器连接的伺服控制器自动测量初始文件间隙变化,并改变第一路径部分中原稿的进给,以便自动将文档间隙改变为预定的最小文档间隙 第二路径部分。 优选地,第二伺服驱动器具有编码器,其产生与其驱动成比例的信号,并且伺服控制器在一个文件片的尾迹通过与下一个顺序原稿的引导边缘通过片材边缘传感器之间对这些信号进行计数 ,以计算第一伺服驱动器的控制信号,以比第二伺服驱动器更高的速度可变地驱动它。