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    • 13. 发明授权
    • Optical time domain reflectometer with internal reference reflector
    • 具有内部参考反射镜的光学时域反射仪
    • US5754284A
    • 1998-05-19
    • US728032
    • 1996-10-09
    • Michel LeblancRobert LaroseRobert Tremblay
    • Michel LeblancRobert LaroseRobert Tremblay
    • G01M11/00G01N21/88
    • G01M11/3109
    • An optical time domain reflectometer suitable for determining its front panel insertion loss comprises a four-port coupler having first and second ports connected to a light source and an optical detector, respectively, and third and fourth ports connected to a front panel connector and a reference reflector, respectively. In use, a fiber-under-test is connected to the front panel connector. The coupler splits light from the light source between the front panel connector and the reference reflector and couples light returning from the front panel connector and reflector to the detector. The optical path between the front panel connector and the coupler is longer than the optical path between the reference reflector and the coupler by such a distance that a Fresnel reflection pulse from the reference reflector, produced by a pulse emitted by the light source, will be received by the detector before a corresponding reflection pulse returned from the front panel connector. In order to ensure that the two reflection pulses can be distinguished from each other, the difference between the two optical paths is greater than a distance equal to an event dead zone for the particular width of pulse supplied by said light source. The reference reflector comprises an end portion of a length of optical fiber, preferably encapsulated with a material having a refractive index different from that of the length of optical fiber. The OTDR facilitates miniaturization because it avoids the use of an internal length of reference fiber.
    • 适合于确定其前面板插入损耗的光学时域反射计包括分别连接到光源和光学检测器的第一和第二端口的四端口耦合器,以及连接到前面板连接器和参考的第三和第四端口 反射器。 在使用中,被测光纤被连接到前面板连接器。 耦合器将来自光源的光分离在前面板连接器和参考反射器之间,将从前面板连接器和反射器返回的光耦合到检测器。 前面板连接器和耦合器之间的光路比参考反射器和耦合器之间的光路长一点距离,使得由光源发射的脉冲产生的来自参考反射器的菲涅耳反射脉冲将是 在从前面板连接器返回的相应的反射脉冲之前由检测器接收。 为了确保两个反射脉冲可以彼此区分,两个光路之间的差大于等于由所述光源提供的特定脉冲宽度的事件死区的距离。 参考反射器包括一段长度的光纤的端部,优选用折射率不同于光纤长度的材料封装。 OTDR有助于小型化,因为它避免了使用内部长度的参考光纤。
    • 14. 发明授权
    • Dilution apparatus
    • 稀释装置
    • US09498758B2
    • 2016-11-22
    • US13950755
    • 2013-07-25
    • Robert Larose
    • Robert Larose
    • B01F5/04B01F3/08B01F15/00B01F15/04
    • B01F5/0403B01F3/0861B01F5/04B01F5/0405B01F5/0413B01F15/0035B01F15/0412B01F2003/0896Y10T137/7358
    • A dilution apparatus includes a container having an adjustable float-operated make-up valve wherein the make-up valve has an inlet end connected to a water supply tube and an outlet end connected to a fill tube inside the container. The make-up valve is connected to a float disposed inside the container. The water supply tube is connected to a reservoir that contains a concentrate. The water flow through the water supply tube siphons the concentrate, into the water stream and through the make-up valve to form a first dilution. A proportioner is connected to a water supply and to the bottom of the container. The water flow through the proportioner siphons the first dilution into the proportioner, thereby mixing the first dilution with water to form a final product having a predetermined dilution ratio.
    • 稀释装置包括具有可调节浮动操作的补充阀的容器,其中补充阀具有连接到供水管的入口端和连接到容器内部的填充管的出口端。 补充阀连接到设置在容器内的浮子。 供水管连接到含有浓缩物的储存器。 通过供水管的水流将浓缩物吸入水流中并通过补充阀形成第一稀释液。 配料器连接到供水和容器的底部。 通过配料器的水流将第一稀释液虹吸到比例器中,由此将第一稀释液与水混合以形成具有预定稀释比的最终产物。
    • 15. 发明申请
    • DILUTION APPARATUS
    • 稀释装置
    • US20140026984A1
    • 2014-01-30
    • US13950755
    • 2013-07-25
    • Robert Larose
    • Robert Larose
    • B01F5/04
    • B01F5/0403B01F3/0861B01F5/04B01F5/0405B01F5/0413B01F15/0035B01F15/0412B01F2003/0896Y10T137/7358
    • A dilution apparatus includes a container having an adjustable float-operated make-up valve on the top of the container wherein the make-up valve has an inlet end connected to a water supply tube and an outlet end connected to a fill tube disposed inside the container. The make-up valve is connected to a float disposed in a liquid inside the container. The water supply tube is operatively connected by tubing to a reservoir that contains a concentrate. The water flow through the water supply tube siphons the concentrate through the tube, into the water stream and through the make-up valve to form a first dilution inside the container. A proportioner having a first inlet opening connected to a water supply and a second inlet opening connected to a tube on one end and the other end is connected to the bottom of the container. The water flow through the proportioner siphons the first dilution from the container through the tube and into the proportioner, thereby mixing the first dilution with the water from the water supply to form a final product having a predetermined dilution ratio.
    • 稀释装置包括在容器的顶部具有可调节的浮动式补充阀的容器,其中补充阀具有连接到供水管的入口端和连接到设置在容器中的填充管的出口端 容器。 补充阀连接到设置在容器内的液体中的浮子。 供水管通过管道可操作地连接到包含浓缩物的储存器。 通过供水管的水流将浓缩物通过管虹吸,进入水流并通过补充阀,以在容器内形成第一稀释液。 具有连接到供水源的第一入口开口和连接到一端的管的第二入口开口的比例器和另一端连接到容器的底部。 通过配料器的水流将容器中的第一稀释液通过管虹吸入配比器,从而将第一稀释液与来自供水口的水混合以形成具有预定稀释比的最终产物。
    • 16. 发明申请
    • PROCESS FOR SANITIZING OBJECTS
    • 消毒对象的过程
    • US20130156907A1
    • 2013-06-20
    • US13817114
    • 2011-08-22
    • Robert Larose
    • Robert Larose
    • A23B7/144A23B9/18
    • A23B7/144A23B7/015A23B7/154A23B7/157A23B9/18A23L3/28A23L3/3463A23L3/3481A23L3/349A23L3/3526A23L3/358
    • A process for sanitizing objects is comprised of the steps of: (1) contacting the object with a dry fog in an enclosed sanitization zone wherein the dry fog is comprised of droplets having a diameter of 4-5 microns and wherein the droplets comprise an aqueous solution of a sanitizing agent for a time sufficient to produce a substantially dry sanitized object and a residual amount of dry fog; (2) removing the substantially dry, sanitized product from the enclosed zone while simultaneously removing the residual dry fog and passing the residual dry fog through a treatment zone whereby unreacted sanitizing agent is removed from the dry fog. The disclosed process yields substantially dry sanitized objects that do not require rinsing with water.
    • 用于消毒物体的方法包括以下步骤:(1)将物体与封闭的消毒区中的干雾接触,其中干雾由直径为4-5微米的液滴组成,并且其中液滴包含水 消毒剂的溶液足以产生基本上干燥的消毒物体和残留量的干雾; (2)从封闭区域除去基本干燥的消毒产品,同时除去残留的干雾,并将残留的干雾通过处理区,由此将未反应的消毒剂从干雾中除去。 所公开的方法产生基本上干燥的消毒物体,其不需要用水冲洗。
    • 17. 发明授权
    • Generation of variable differential group delay
    • 产生可变差分群延迟
    • US06842283B2
    • 2005-01-11
    • US09975830
    • 2001-10-12
    • Sebastian J SavoryQing GuoMark A HawryluckRobert Larose
    • Sebastian J SavoryQing GuoMark A HawryluckRobert Larose
    • G02B6/34G02B27/28G02F1/01H04B10/18G02B5/30
    • G02B6/278G02B27/286G02F1/0136H04B10/2569
    • An apparatus for generating variable DGD is particularly for use in a PMD compensator. The apparatus has first, second and third birefringent elements arranged in order between the input and output of the compensator and having first, second and third differential group delays (DGDs) in the ratio 1:2:1. The orientation of the PSPs of the signal in each element relatively to the principal axes of the element is controlled, such that a change in orientation between the first and second elements is equal and opposite to a change in orientation between the second and third elements. This arrangement provides symmetrical relative rotations of the signal PSPs and principal axes about the central birefringent element. In combination with the 1:2:1 ratio, it can be shown that compensation of any first order PMD can be achieved without the compensator introducing additional second order PMD. The required level of first order PMD compensation is selected by controlling the amount of the orientation changes.
    • 用于产生可变DGD的装置特别用于PMD补偿器。 该装置具有在补偿器的输入和输出之间依次布置的第一,第二和第三双折射元件,并具有比例为1:2:1的第一,第二和第三差分组延迟(DGD)。 相对于元件的主轴,每个元件中的信号的PSP的取向受到控制,使得第一和第二元件之间的取向的变化等于并且与第二和第三元件之间的取向的变化相反。 这种布置提供信号PSP和围绕中心双折射元件的主轴的对称相对旋转。 结合1:2:1的比例,可以看出,无需补偿器引入额外的二阶PMD即可实现任何一阶PMD的补偿。 通过控制方向改变的量来选择所需的一阶PMD补偿水平。