Paper property sensing system
    1.
    发明公开
    Paper property sensing system 失效
    Vorrichtung zum Erkennen der Eigenschaften von Papier

    公开(公告)号:EP0814316A1

    公开(公告)日:1997-12-29

    申请号:EP97304180

    申请日:1997-06-16

    Applicant: XEROX CORP

    CPC classification number: G01N19/02 G01B7/06 G01N33/346

    Abstract: A sensor system for measuring physical properties of paper. The paper property sensor system includes a surface and a diaphragm (202) opposed to each other. The small diaphragm includes a first pair (A1, A2) and a second pair (B1, B2) p-type piezoresistors. Each piezoresistor (A1, A2) of the first pair is located perpendicular to and very close to one of the long edges (Fig. 5) of the diaphragm (202). Each piezoresistor (B1, B2) of the second pair is located between and parallel to first pair (A1, A2) of piezoresistors, and away from the short edges of the diaphragm (202). Balancing the first pair of piezoresistors against the second pair in a first Wheatstone bridge (Fig. 7) produces a voltage generated proportional to the thickness of a sheet, while balancing the piezoresistors of the first pair against one another of the piezoresistors of the second pair produces a voltage representative of the coefficient of friction of the sheet.

    Abstract translation: 用于测量纸张物理性能的传感器系统。 纸张属性传感器系统包括彼此相对的表面和隔膜(202)。 小隔膜包括第一对(A1,A2)和第二对(B1,B2)p型压电电阻。 第一对的每个压敏电阻器(A1,A2)定位成垂直于并且非常接近隔膜(202)的一个长边缘(图5)。 第二对的每个压敏电阻器(B1,B2)位于压电电阻器的第一对(A1,A2)之间并平行于隔离膜(202)的短边缘。 在第一个惠斯通电桥(图7)中将第一对压敏电阻器对准第二对,产生与片材厚度成比例的电压,同时将第一对压敏电阻器与第二对压敏电阻器的彼此平衡 产生表示片材的摩擦系数的电压。

    Mass measuring system
    2.
    发明公开
    Mass measuring system 失效
    Vorrichtung zur Messung einer Masse

    公开(公告)号:EP0814325A2

    公开(公告)日:1997-12-29

    申请号:EP97304182

    申请日:1997-06-16

    Applicant: XEROX CORP

    CPC classification number: G01G17/02

    Abstract: A system (140) for measuring the mass of a sheet (150) of material including an actuator (141), a position sensing system (42), and a tactile sensor system (200). The actuator (141) imparts a known force to the sheet (150), moving it through to the position sensing system (142), which measures the sheet velocity at various points. Afterward, the sheet (150) moves through the tactile sensor system (200), which determines the coefficient of friction of the sheet. Given these quantities, a controller can determine the mass of the sheet (150), which can be used alter the performance of paper handling devices in a reproductive machine. A second embodiment (Fig. 6) of the mass measuring system includes an actuator, a position sensing system, and a subsystem for eliminating friction. The actuator applies a force to a sheet to move it into and through the subsystem. The position sensing system incorporated in the subsystem senses the acceleration of the sheet. Given this quantity, a controller can determine the mass of the sheet.

    Abstract translation: 一种用于测量包括致动器(141),位置感测系统(42)和触觉传感器系统(200)的材料的片材(150)的质量的系统(140)。 致动器(141)向纸张(150)施加已知的力,将其移动到位置感测系统(142),该位置感测系统测量各个点处的纸张速度。 之后,片材(150)移动通过触觉传感器系统(200),其确定片材的摩擦系数。 给定这些量,控制器可以确定片材(150)的质量,其可以改变生殖机器中的纸张处理装置的性能。 质量测量系统的第二实施例(图6)包括致动器,位置检测系统和用于消除摩擦的子系统。 致动器向片材施加力以将其移入并通过子系统。 结合在子系统中的位置检测系统检测纸张的加速度。 给定这个数量,控制器可以确定纸张的质量。

    Mass measuring system
    3.
    发明公开
    Mass measuring system 失效
    Massmesseinrichtung

    公开(公告)号:EP0814325A3

    公开(公告)日:1998-10-14

    申请号:EP97304182

    申请日:1997-06-16

    Applicant: XEROX CORP

    CPC classification number: G01G17/02

    Abstract: A system (140) for measuring the mass of a sheet (150) of material including an actuator (141), a position sensing system (42), and a tactile sensor system (200). The actuator (141) imparts a known force to the sheet (150), moving it through to the position sensing system (142), which measures the sheet velocity at various points. Afterward, the sheet (150) moves through the tactile sensor system (200), which determines the coefficient of friction of the sheet. Given these quantities, a controller can determine the mass of the sheet (150), which can be used alter the performance of paper handling devices in a reproductive machine.
    A second embodiment (Fig. 6) of the mass measuring system includes an actuator, a position sensing system, and a subsystem for eliminating friction. The actuator applies a force to a sheet to move it into and through the subsystem. The position sensing system incorporated in the subsystem senses the acceleration of the sheet. Given this quantity, a controller can determine the mass of the sheet.

    4.
    发明专利
    未知

    公开(公告)号:DE602004017661D1

    公开(公告)日:2008-12-24

    申请号:DE602004017661

    申请日:2004-03-19

    Applicant: XEROX CORP

    Abstract: An optical micro-electro-mechanical system (MEMS) switch is disclosed. In a preferred embodiment the optical MEMS switch is used as an M x N optical signal switching system. The optical MEMS switch comprises a plurality of optical waveguides formed on a shuttle for switching optical states wherein the state of the optical switch is changed by a system of drive and latch actuators. The optical MEMS switch utilizes a latching mechanism in association with a thermal drive actuator for aligning the waveguide shuttle. In use the optical MEMS switch may be integrated with other optical components to form planar light circuits (PLCs). When switches and PLCs are integrated together on a silicon chip, compact higher functionality devices, such as Reconfigurable Optical Add-Drop Multiplexers (ROADMs), may be fabricated.

    6.
    发明专利
    未知

    公开(公告)号:DE69737431D1

    公开(公告)日:2007-04-19

    申请号:DE69737431

    申请日:1997-06-24

    Applicant: XEROX CORP

    Abstract: A dry etch process for etching a semiconductor substrate having a p-n heterojunction formed by contact between a p-layer and a n-layer requires application of a reverse bias voltage of less than a p-n breakdown voltage across the p-n heterojunction. A plasma containing chemically reactive negative ions is directed against the n-layer, with etching of non-masked regions of the substrate continuing until it is substantially stopped at the reverse biased p-n heterojunction. The semiconductor substrate can be cooled or periodically recoated with erodable protective material to limit sidewall damage to the semiconductor substrate while still allowing downward etching. This dry etch process is well suited for construction of dimensionally accurate microdevices and microelectromechanical systems.

    7.
    发明专利
    未知

    公开(公告)号:DE69728930T2

    公开(公告)日:2004-10-28

    申请号:DE69728930

    申请日:1997-06-16

    Applicant: XEROX CORP

    Abstract: A system (140) for measuring the mass of a sheet (150) of material including an actuator (141), a position sensing system (42), and a tactile sensor system (200). The actuator (141) imparts a known force to the sheet (150), moving it through to the position sensing system (142), which measures the sheet velocity at various points. Afterward, the sheet (150) moves through the tactile sensor system (200), which determines the coefficient of friction of the sheet. Given these quantities, a controller can determine the mass of the sheet (150), which can be used alter the performance of paper handling devices in a reproductive machine. A second embodiment (Fig. 6) of the mass measuring system includes an actuator, a position sensing system, and a subsystem for eliminating friction. The actuator applies a force to a sheet to move it into and through the subsystem. The position sensing system incorporated in the subsystem senses the acceleration of the sheet. Given this quantity, a controller can determine the mass of the sheet.

    9.
    发明专利
    未知

    公开(公告)号:DE69707043D1

    公开(公告)日:2001-11-08

    申请号:DE69707043

    申请日:1997-04-14

    Applicant: XEROX CORP

    Abstract: A thermal ink-jet ejector (10) having a fluid flow channel (12) extending between an ink inlet (16) and a nozzle (18) for the ejection of liquid ink therefrom, includes a rear channel diffuser (30) disposed between the heating element (20) and the inlet (16), and/or a front channel diffuser (32) disposed between the heating element (20) and the nozzle (16). Each diffuser (30, 32) includes an arrangement of tapers which decrease the flow impedance of liquid ink flowing toward the nozzle (18), and increase the flow impedance of liquid ink flowing toward the inlet (16). The arrangement increases the kinetic energy of droplets being ejected, and also increases the speed of re-fill of the channel with liquid ink following ejection.

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