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    • 4. 发明申请
    • MONITORING OF A LASER SOURCE WITH FRONT AND REAR OUTPUT PHOTODETECTORS TO DETERMINE FRONTAL LASER POWER AND POWER CHANGES OVER LASER LIFETIME
    • 使用前置和后端输出光电元件监测激光源以确定激光寿命的正面激光功率和功率变化
    • US20100220952A1
    • 2010-09-02
    • US12758231
    • 2010-04-12
    • Robert W. SmithAlan C. Nilsson
    • Robert W. SmithAlan C. Nilsson
    • G02B6/12H01S3/10H01S3/13
    • H01S5/0683H01S5/0014H01S5/0085H01S5/06832H01S5/4025
    • A power monitoring and correction to a desired power level of a laser or group of lasers utilizes two photodetectors which are employed to accurately determine the amount of output power from the front end or “customer” end of a laser or a plurality of such lasers. During power detection, which may be accomplished intermittently or continuously, the laser is modulated with a tone of low frequency modulation. One photodetector at the rear of the laser is employed to detect the DC value of the frequency tone, i.e., a value or number representative of the AC peak-to-peak swing, amplitude or modulation depth of the tone. Also, the rear photodetector may be employed to determine the optical modulation index (OMI). In either case, these values may be employed in a closed loop feedback system to adjust or otherwise calibrate the value of the low tone frequency relative to the total desired bias current applied to the laser. A front photodetector is employed to receive a portion of the total output of the laser, or of each laser, and the average output power of the laser, or of each laser, is determined from already knowing the optical modulation index (OMI) via the rear photodetector. Thus, by measuring and/or calibrating the laser OMI with the use of a rear photodetector, the average output power from the front end output can be unambiguously determined from detection of the AC peak-to-peak swing or amplitude of the low frequency tone received via the front photodetector.
    • 对激光器或激光器组的期望功率电平的功率监视和校正使用两个光电检测器,其用于准确地确定来自激光器或多个这样的激光器的前端或“客户”端的输出功率的量。 在功率检测期间,可以间歇地或连续地实现,用低频调制调制激光。 采用激光后部的一个光电检测器来检测频率音调的DC值,即代表音调的AC峰 - 峰波动,幅度或调制深度的值或数字。 而且,后方光电检测器可用于确定光调制指数(OMI)。 在这两种情况下,这些值可以用在闭环反馈系统中,以相对于施加到激光器的总期望偏置电流来调节或以其他方式校准低音频率的值。 使用前光电检测器来接收激光器或每个激光器的总输出的一部分,并且通过已经知道光调制指数(OMI)来确定激光器或每个激光器的平均输出功率 后置光电检测器。 因此,通过使用后部光电检测器测量和/或校准激光OMI,可以从检测到AC峰 - 峰摆动或低频音调的幅度来明确地确定来自前端输出的平均输出功率 通过前光电检测器接收。
    • 5. 发明申请
    • PRODUCTION CENTER SYSTEM
    • 生产中心系统
    • US20090006170A1
    • 2009-01-01
    • US11768513
    • 2007-06-26
    • Robert W. Smith
    • Robert W. Smith
    • G06Q10/00
    • G06Q10/06G06Q10/0631
    • Systems and methods of centralized product production, comprising a job initiation component that receives a job request from a user; a resource management component that delegates tasks to one or more modules to produce a product to meet the job request. The modules can comprise an automated computing system or a practice group, and can report back to the resource management component. An assembly component can receive information, documents, and objects from the resource management component and assemble the items to form a product. An interface component allows a user to view progress of the product, and to receive status updates.
    • 集中产品生产的系统和方法,包括从用户接收作业请求的作业发起组件; 一个资源管理组件,用于将任务委托给一个或多个模块来生产产品以满足作业请求。 模块可以包括自动计算系统或练习组,并且可以向资源管理组件报告。 组装组件可以从资源管理组件接收信息,文档和对象,并组合项目以形成产品。 接口组件允许用户查看产品的进度并接收状态更新。
    • 9. 发明授权
    • Gas fired heat exchanger for hot water with bimetallic scouring baffle
    • 燃气热交换器用于双金属冲刷挡板的热水
    • US4671212A
    • 1987-06-09
    • US842216
    • 1986-03-21
    • Robert W. Smith
    • Robert W. Smith
    • F24H1/41F24H8/00F24H9/00F22B5/02
    • F24H9/0026F24H1/41F24H8/00Y02B30/102
    • A gas fired hot water heater includes a housing enclosing an internal chamber divided by a vertical partition into two compartments, the partition having a top edge spaced below the top of the chamber. One of the compartments has a gas burner in the lower portion with an adjacent combustion air intake vent. A first heat exchanger is located in the same compartment above the gas burner but below the top edge of the partition, and a second heat exchanger is located in the other compartment at substantially the same horizontal level as the first. The two heat exchangers are connected in series. Condensate collection means is provided in the other compartment below the second heat exchanger to collect condensate forming on the second heat exchanger and to duct the condensate out of the housing. A flue pipe ducts flue gases from the housing, and a blower is provided to blow the flue gases through the flue pipe. In a particular development, a bimetallic, helically twisted baffle is provided within the straight portions of the central heat exchanger tube, so that temperature swings will cause the bimetallic baffle to expand and contract, thus automatically scouring the internal surface of the tubes, and reducing deposits.
    • 一种燃气热水器包括壳体,其包围由垂直隔板分隔成两个室的内部腔室,所述隔板具有在所述腔室顶部间隔开的顶部边缘。 隔室中的一个在下部具有气体燃烧器,具有相邻的燃烧空气进气口。 第一热交换器位于气体燃烧器上方相同的隔室中,但位于隔板的顶部边缘下方,并且第二热交换器位于与第一热交换器基本相同的水平位置上。 两个热交换器串联连接。 冷凝收集装置设置在第二热交换器下方的另一个隔室中,以收集在第二热交换器上形成的冷凝物并将冷凝物导出外壳。 烟道管道从壳体排出烟气,并且提供鼓风机以吹送烟气通过烟道。 在具体的开发中,在中央热交换器管的直线部分内设置双金属螺旋扭曲的挡板,使得温度摆动将导致双金属挡板膨胀和收缩,从而自动冲洗管的内表面,并且减少 存款
    • 10. 发明授权
    • Natural gas adaptor system for automobiles
    • 汽车天然气适配器系统
    • US4531497A
    • 1985-07-30
    • US492708
    • 1982-05-09
    • Robert W. Smith
    • Robert W. Smith
    • F02B43/00F02M13/08F02M21/02
    • F02B43/00F02D19/0647F02M13/08F02M21/0224F02M21/029Y02T10/32Y02T10/36
    • There is provided a natural gas charging system for a vehicle which has an internal combustion engine adapted to run on gasoline or on natural gas, as well as a gasoline tank adapted to feed gasoline through a carburetor to the engine. The gas charging system includes storage means such as tanks which are adapted to store natural gas under a given storage pressure, and delivery means through which natural gas can be delivered from the storage means through an air-mixing means to the carburetor of the vehicle. A compressor is adapted to receive low-pressure natural gas and to compress it up to the storage pressure, and the engine is made to drive the compressor through drive means. Conduit means are provided from the output of the compressor to the storage means.
    • 提供了一种用于车辆的天然气充气系统,其具有适于在汽油或天然气上运行的内燃机,以及适于将汽油通过化油器供给到发动机的汽油罐。 气体充气系统包括适于在给定存储压力下储存天然气的储存装置,以及可以通过空气混合装置将天然气从储存装置输送到车辆的化油器的输送装置。 压缩机适于接收低压天然气并将其压缩至储存压力,并且使发动机通过驱动装置驱动压缩机。 从压缩机的输出到存储装置提供管道装置。