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    • 31. 发明申请
    • Eye safe high power fibre laser
    • 眼睛安全大功率光纤激光器
    • US20060187973A1
    • 2006-08-24
    • US10566222
    • 2004-07-28
    • Malcolm VarnhamMikhail ZervasDavid PayneLars Johan Nilsson
    • Malcolm VarnhamMikhail ZervasDavid PayneLars Johan Nilsson
    • H01S3/30H01S3/094H01S3/11H01S3/10
    • H01S3/10092H01S3/06729H01S3/06754H01S3/094007H01S3/09403H01S3/09408H01S3/0941H01S3/1608H01S3/1618
    • Apparatus for providing optical radiation (15) comprising a pump source (19) and at least one first amplifying waveguide (1), characterised in that the first amplifying waveguide (1) emits optical radiation (15) in excess of 1400 nm when pumped by the pump source (19). In one embodiment, the pump source (19) comprises a plurality of laser diodes (3) and a plurality of second amplifying waveguides (2). The first amplifying waveguide (1) is pumped by the second amplifying waveguides (2). The second amplifying waveguides (2) are pumped by the laser diodes (3). The second amplifying waveguides (2) are configured to improve the beam quality of radiation emitted by the laser diodes (3). Advantageously, the apparatus can be configured such that the optical radiation (15) emitted by the first amplifying waveguide (1) has a higher brightness when the second amplifying waveguide (2) emits at a first wavelength.
    • 用于提供包括泵浦源(19)和至少一个第一放大波导(1)的光辐射(15)的装置,其特征在于,当第一放大波导(1)泵送时,第一放大波导(1)发射超过1400nm的光辐射(15) 泵源(19)。 在一个实施例中,泵浦源(19)包括多个激光二极管(3)和多个第二放大波导(2)。 第一放大波导(1)由第二放大波导(2)泵浦。 第二放大波导(2)由激光二极管(3)泵浦。 第二放大波导(2)被配置为改善由激光二极管(3)发射的辐射的光束质量。 有利地,该装置可以被配置为使得当第二放大波导(2)以第一波长发射时,由第一放大波导(1)发射的光辐射(15)具有更高的亮度。
    • 32. 发明申请
    • Methods and systems for forwarding an item
    • 转发物品的方法和系统
    • US20050251285A1
    • 2005-11-10
    • US10953583
    • 2004-09-30
    • John BoyceDavid Payne
    • John BoyceDavid Payne
    • B07C3/00G06F7/00G06Q10/00
    • B07C3/00G06Q10/08
    • Systems and methods for forwarding an item in a delivery system may comprise scanning a first address label on an item to produce scan data and converting the scan data into first address data. Furthermore, systems and methods for forwarding the item may comprise determining if an alternative address exists in a change of address database, the alternative address corresponding to the captured first address data. Moreover, systems and methods for forwarding the item may comprise forwarding the item to a location corresponding to the alternative address if it was determined that the alternative address exists in the change of address database.
    • 用于在递送系统中转发物品的系统和方法可以包括扫描物品上的第一地址标签以产生扫描数据并将扫描数据转换为第一地址数据。 此外,用于转发项目的系统和方法可以包括确定地址数据库的改变中是否存在替代地址,替代地址对应于所捕获的第一地址数据。 此外,用于转发项目的系统和方法可以包括如果确定地址数据库的改变中存在替代地址,则将项目转发到与替代地址相对应的位置。
    • 36. 发明申请
    • Coupling for dual member pipe
    • 双管道联轴器
    • US20050029016A1
    • 2005-02-10
    • US10878482
    • 2004-06-28
    • Kelvin SelfFloyd GunsaulisDavid Payne
    • Kelvin SelfFloyd GunsaulisDavid Payne
    • E21B7/04E21B17/03E21B17/07E21B19/08E21B7/08
    • E21B19/08E21B7/046E21B17/03E21B17/07
    • A coupling assembly to interconnect an inner member and an outer member of a dual member drill string in torque transmitting engagement is disclosed. The coupling assembly is adapted to transmit torque input from both members to a downhole tool. In one embodiment, the coupling assembly comprises a connector sub that fixedly and non-fixedly couples both members. In another embodiment, the coupling assembly comprises a clutch mechanism to interconnect both members when the rotational speed of the outer member exceeds the rotational speed of the inner member. In another embodiment, the coupling assembly comprises a mechanism to couple both members by axial downhole movement of the inner member relative to the outer member. In another embodiment, the coupling assembly comprises a planetary gear system that interconnects both members to provide high torque to the downhole tool at relatively low output speed of the dual member drill string.
    • 公开了一种联接组件,用于将扭转传递接合的双组件钻柱的内部构件和外部构件互连。 联接组件适于将来自两个构件的扭矩输入传递到井下工具。 在一个实施例中,联接组件包括固定地和非固定地连接两个构件的连接器副。 在另一个实施例中,联接组件包括当外部构件的旋转速度超过内部构件的转速时将两个构件互连的离合器机构。 在另一个实施例中,联接组件包括通过内部构件相对于外部构件的轴向井下移动来联接两个构件的机构。 在另一个实施例中,联接组件包括行星齿轮系统,该行星齿轮系统将两个构件互连,以在双组件钻柱的相对低的输出速度下向井下工具提供高扭矩。
    • 39. 发明授权
    • Wireless broadband service
    • 无线宽带服务
    • US07995545B2
    • 2011-08-09
    • US11934963
    • 2007-11-05
    • Yuang LouDouglas DuetVijay PerumbetiDavid Payne
    • Yuang LouDouglas DuetVijay PerumbetiDavid Payne
    • H04W4/00H04W40/00H04L12/28H04L12/56
    • H04W84/14H04L12/2801H04L12/5601H04L2012/5607H04L2012/561H04L2012/5642H04W92/20
    • A fixed broadband wireless data access service providing shared wide-band packet-switched data transport for high speed data access in areas where conventional ADSL service and fiber optic service are unavailable. The wireless data access service is a point-to-multipoint cellular-type network that connects customers to data service providers through the ATM backbone of an existing network. Customers connect to the ATM backbone and data service provider through a cellular grid in which a wireless base station in each cell communicates with the individual customer wireless equipment within its cell site coverage area. The base stations are connected to an ATM backbone switch through wireless and wireline backhaul links. The upstream and downstream bandwidths of the wireless broadband network are engineered in various symmetric and asymmetric configurations to provide a shared packet-switched connection that emulates an uninterrupted, direct wireline ADSL connection. The wireless broadband network employs a data protocol of shared access bandwidth and adaptive asymmetric data rates to support multiuser service sessions by wireless transmission. The wireless broadband network is not network protocol specific and can be applied to wireless asymmetric digital subscriber line service, wireless integrated service digital network over digital subscriber line service, wireless very high bit rate digital subscriber line service, or wireless symmetric or single-line digital subscriber line service.
    • 一种固定宽带无线数据接入服务,在常规ADSL业务和光纤业务不可用的地区提供共享的宽带分组交换数据传输,用于高速数据接入。 无线数据接入服务是一个点对多点的蜂窝式网络,通过现有网络的ATM主干将客户连接到数据服务提供商。 客户通过蜂窝网格连接到ATM主干和数据服务提供商,其中每个小区中的无线基站与其小区站点覆盖区域内的个体客户无线设备进行通信。 基站通过无线和有线回程链路连接到ATM主干交换机。 无线宽带网络的上行和下行带宽被设计成各种对称和不对称配置,以提供模拟不间断的直接有线ADSL连接的共享分组交换连接。 无线宽带网络采用共享接入带宽和自适应非对称数据速率的数据协议,通过无线传输支持多用户业务会话。 无线宽带网络不是特定的网络协议,可以应用于无线非对称数字用户线路业务,数字用户线业务无线综合业务数字网络,无线非常高比特率数字用户线业务或无线对称或单线数字 用户线服务。