Flexible, modular, compact fiber optic switch
    1.
    发明授权
    Flexible, modular, compact fiber optic switch 失效
    灵活,模块化,紧凑的光纤开关

    公开(公告)号:US06795602B2

    公开(公告)日:2004-09-21

    申请号:US09729336

    申请日:2000-12-01

    Abstract: A fiber optic switch (400) includes a fiber optic switching module (100) that receives and fixes ends (104) of optical fibers (106). The module (100) includes numerous reflective light beam deflectors (172) which may be selected as pairs for coupling a beam of light (108) between a pair of optical fibers (106). The module (100) also produces orientation signals from each deflector (172) which indicate its orientation. A portcard (406) included in the switch (400) supplies drive signals to the module (100) for orienting at least one deflector (172). The portcard (406) also receives the orientation signals produced by that deflector (172) together with coordinates that specify an orientation for the deflector (172). The portcard (406) compares the received coordinates with the orientation signals received from the deflector (172) and adjusts the drive signals supplied to the module (100) to reduce any difference between the received coordinates and the orientation signals. The switch (400) also employs optical alignment to precisely orient pairs deflectors (172) coupling a beam of light (108) between optical fibers (106).

    Abstract translation: 光纤开关(400)包括光纤切换模块(100),其接收和固定光纤(106)的端部(104)。 模块(100)包括多个反射光束偏转器(172),其可以被选择成对,用于耦合一对光纤(106)之间的光束(108)。 模块(100)还产生来自指示其取向的每个偏转器(172)的取向信号。 包括在开关(400)中的端口卡(406)向驱动模块(100)提供用于定向至少一个偏转器(172)的驱动信号。 端口卡(406)还接收由该偏转器(172)产生的取向信号以及指定偏转器(172)的取向的坐标。 端口卡(406)将接收到的坐标与从偏转器(172)接收的定向信号进行比较,并且调整提供给模块(100)的驱动信号,以减少所接收的坐标和取向信号之间的差异。 开关(400)还采用光学对准来精确地定向耦合在光纤(106)之间的光束(108)的对偏转器(172)。

    Handheld document scanner
    2.
    发明授权
    Handheld document scanner 有权
    手持文档扫描仪

    公开(公告)号:US06229139B1

    公开(公告)日:2001-05-08

    申请号:US09547813

    申请日:2000-04-11

    Abstract: A document transport for a scanner (100) has a flexible, elongated finger (226) disposed adjacent to a document (134), and a force applied to the finger (226) urges teeth (233) on the finger (226) into contact with the document (134) which urges the document (134) along a path through the scanner (100). A piezoelectric plate (222), which applies the force to the finger (226), requires only a small amount of electrical power. To traverse the scanner (100), a document (134) may also be manually fed along a guide (272). First and second speed-sensing detectors (276a and 276b), disposed along the path traversed by the document (134), permit the scanner (100) to determine a speed at which the manually fed document (134) traverses the scanner (100). To conserve electrical energy, the scanner (100) also includes a document-presence detector (274) for activating the scanner (100) when a document (134) to be scanned is present.

    Abstract translation: 用于扫描器(100)的文件传送装置具有邻近文件(134)设置的柔性细长的手指(226),并且施加到手指(226)的力促使手指(226)上的齿(233)接触 其中文档(134)沿着通过扫描器(100)的路径敦促文档(134)。 向手指(226)施加力的压电板(222)仅需要少量的电力。 为了横穿扫描器(100),文档(134)也可以沿着引导件(272)手动馈送。 沿着由文件(134)穿过的路径设置的第一和第二速度感测检测器(276a和276b)允许扫描器(100)确定手动馈送的文件(134)穿过扫描仪(100)的速度, 。 为了节省电能,扫描器(100)还包括用于在存在待扫描的文件(134)时启动扫描器(100)的原稿存在检测器(274)。

    Handheld document scanner
    4.
    发明授权
    Handheld document scanner 失效
    手持文档扫描仪

    公开(公告)号:US6064779A

    公开(公告)日:2000-05-16

    申请号:US121439

    申请日:1998-07-23

    Abstract: A document transport for a scanner (100) has a flexible, elongated finger (226) disposed adjacent to a document (134), and a force applied to the finger (226) urges teeth (233) on the finger (226) into contact with the document (134) which urges the document (134) along a path through the scanner (100). A piezoelectric plate (222), which applies the force to the finger (226), requires only a small amount of electrical power. To traverse the scanner (100), a document (134) may also be manually fed along a guide (272). First and second speed-sensing detectors (276a and 276b), disposed along the path traversed by the document (134), permit the scanner (100) to determine a speed at which the manually fed document (134) traverses the scanner (100). To conserve electrical energy, the scanner (100) also includes a document-presence detector (274) for activating the scanner (100) when a document (134) to be scanned is present.

    Abstract translation: 用于扫描器(100)的文件传送装置具有邻近文件(134)设置的柔性细长的手指(226),并且施加到手指(226)的力促使手指(226)上的齿(233)接触 其中文档(134)沿着通过扫描器(100)的路径敦促文档(134)。 向手指(226)施加力的压电板(222)仅需要少量的电力。 为了横穿扫描器(100),文档(134)也可以沿着引导件(272)手动馈送。 沿着由文件(134)穿过的路径设置的第一和第二速度感测检测器(276a和276b)允许扫描器(100)确定手动馈送的文件(134)穿过扫描仪(100)的速度, 。 为了节省电能,扫描器(100)还包括用于在存在待扫描的文件(134)时启动扫描器(100)的原稿存在检测器(274)。

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