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    • 2. 发明授权
    • Apparatus and systems for lifting a tape drive transducer head
    • 用于提升磁带驱动传感器头的装置和系统
    • US06704171B2
    • 2004-03-09
    • US09563105
    • 2000-05-02
    • William D. Jones
    • William D. Jones
    • G11B555
    • G11B5/588G11B15/62
    • Apparatus, methods, and systems are described for lifting a read/write head in a digital tape system. Headlift systems according to the present invention include a guide pin that is an element of a stepper motor, a bracket coupled with the head, and a shaft-linking element. Such headlift systems provide reduced headlift error tolerances, and can therefore accurately place the head for reading and writing to smaller width data tracks on the tape. The bracket is configured to mate with the guide pin and to couple with a stepper motor rotational shaft. A motor according to the present invention includes a stepping motor, a shaft, and a guide pin. A bracket according to the invention includes a head mating surface, an arm, and typically includes a guide pin bushing. The arm includes a first opening aligned to receive the shaft, and a second opening aligned to receive the guide pin. The guide pin bushing is disposed in the second opening and is coupled with the guide pin to limit movement of the head radially and circumferentially relative to the shaft.
    • 描述了用于在数字磁带系统中提升读/写头的装置,方法和系统。 根据本发明的起重系统包括作为步进马达的元件的引导销,与头部联接的支架和轴连接元件。 这种提升系统提供了减小的起重差错误差,并且因此可以精确地将磁头用于读取和写入磁带上较小宽度的数据磁道。 支架配置成与导销配合,并与步进电机旋转轴相连。 根据本发明的电动机包括步进电机,轴和引导销。 根据本发明的支架包括头配合表面,臂,并且通常包括导销衬套。 臂包括对准以接收轴的第一开口和对准以接收引导销的第二开口。 引导销衬套设置在第二开口中并且与引导销联接以限制头部相对于轴径向和周向运动。
    • 3. 发明授权
    • Generator air-gap flux probe for detecting shorted rotor turns
    • 用于检测短路转子匝的发电机气隙磁通探头
    • US4667148A
    • 1987-05-19
    • US749146
    • 1985-06-26
    • Donald R. AlbrightWilliam D. JonesDoran W. Nelson
    • Donald R. AlbrightWilliam D. JonesDoran W. Nelson
    • G01R31/02G01R31/34G01R33/028G01N27/87
    • G01R33/0283G01R31/025G01R31/343
    • A generator air-gap flux probe for determining rate of change of flux density includes a resilient support spanning the air gap between the stator and the rotor of a dynamoelectric machine to support radial and/or tangential flux coils stably within a short distance of the rotor. The resilient support permits the portion of the flux probe spanning the air gap to deflect substantially during assembly or disassembly of the machine thereby to permit permanent installation of the air-gap flux probe. In one embodiment adapted to longer air gaps, the flux probe is mounted on a pedestal block installed on a dovetail slot wedge in the stator. This reduces the cantilevered distance which the flux probe must span. A tangential flux coil axis stripe marking the axis of the tangential flux coil aids in alignment.
    • 用于确定磁通密度变化率的发生器气隙磁通探测器包括横跨电动机的定子和转子之间的空气间隙的弹性支撑件,以在转子的短距离内稳定地支撑径向和/或切向磁通线圈 。 弹性支撑件允许跨越气隙的通量探针的部分在机器的组装或拆卸期间基本上偏转,从而允许永久地安装气隙磁通探头。 在适于更长气隙的一个实施例中,通量探头安装在安装在定子中的燕尾槽楔上的基座上。 这减小了通量探头必须跨越的悬臂距离。 标记切向磁通线圈轴线的切向磁通线圈轴线条有助于对准。
    • 7. 发明申请
    • Beam coupler
    • 光束耦合器
    • US20100166367A1
    • 2010-07-01
    • US12319070
    • 2008-12-31
    • Yuri GrapovWilliam D. JonesVladlen Ivshin
    • Yuri GrapovWilliam D. JonesVladlen Ivshin
    • G02B6/32
    • G02B6/32G02B6/422G02B6/4226
    • A coupler assembly for a fiber laser is disclosed. The assembly includes a tubular housing having a sidewall with an interior surface, an exterior surface, a first end and a second end. An input collimator unit is also included and configured to be received within the first end of the sidewall of the tubular housing. An output collimator unit received within the second end of the sidewall of the tubular housing. Further included is a compression mechanism configured and arranged to concentrically align the input collimator unit and the output collimator unit about a common central axis. The assembly may further include an alignment mechanism configured and arranged to optically align the input collimator unit and the output collimator unit about a common optical axis. Optionally, a fluid coolant system may also be included.
    • 公开了一种用于光纤激光器的耦合器组件。 组件包括管状壳体,其具有带有内表面的侧壁,外表面,第一端和第二端。 输入准直器单元还包括并构造成被容纳在管状壳体的侧壁的第一端内。 输出准直器单元容纳在管状壳体的侧壁的第二端内。 进一步包括压缩机构,该压缩机构被配置和布置成围绕公共中心轴线同步地对准输入准直器单元和输出准直器单元。 组件还可以包括配置和布置为使输入准直器单元和输出准直器单元围绕公共光轴对准的对准机构。 可选地,还可以包括流体冷却剂系统。
    • 8. 发明申请
    • High-power short-wavelength fiber laser device
    • 大功率短波长光纤激光器件
    • US20100166025A1
    • 2010-07-01
    • US12319069
    • 2008-12-31
    • Yuri GrapovWilliam D. Jones
    • Yuri GrapovWilliam D. Jones
    • H01S3/30
    • H01S3/0675G02F1/3534H01S3/0064H01S3/0092H01S3/2383
    • A high-power, short-wavelength fiber laser device combines the known advantages and well-developed technology of long-wavelength fiber lasers with the concepts of both non-linear frequency doubling and non-linear sum frequency mixing to generate visible blue laser light at a wavelength of about 427 nm. The device includes a thulium fiber laser emitting light at a wavelength of 1900 nm, and an erbium fiber laser emitting light at a wavelength of 1550 nm. The light from each of the fiber lasers is frequency doubled in respective non-linear converters, resulting in respective light sources at 950 nm and 775 nm. The resulting 950 nm and 775 nm light is combined and mixed in a non-linear sum frequency mixer to produce a single short-wavelength beam of light having a wavelength of about 427 nm.
    • 大功率短波长光纤激光器将长波长光纤激光器的已知优点和发达的技术与非线性倍频和非线性和频混频的概念相结合,产生可见蓝光激光 波长约427nm。 该装置包括发射波长为1900nm的光的ium光纤激光器和发射波长为1550nm的光的铒光纤激光器。 来自每个光纤激光器的光在相应的非线性转换器中倍频,导致各个光源在950nm和775nm。 将所得的950nm和775nm光在非线性和频混频器中组合和混合,以产生波长为约427nm的单个短波长光束。