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    • 42. 发明授权
    • Multi-frequency Raman amplifier pump source
    • 多频拉曼放大器泵源
    • US06687043B2
    • 2004-02-03
    • US10100115
    • 2002-03-19
    • Michael Davies
    • Michael Davies
    • H01S300
    • H01S3/094003H01S3/094046H01S3/302
    • In accordance with the present invention a multifrequency Raman pump laser cavity is disclosed comprising of an angularly dispersive element optically coupled to a shared waveguide terminated in a partially reflecting facet; a plurality of laser diode sources for radiating at frequencies for Raman amplification each for providing laser light at a different frequency and spatially oriented in relation to the angular dispersive element such that light emitted from each source is reflected from the angularly dispersive element toward a same output port; at least two partially reflecting coating for forming a laser cavity therebetween wherein the grating is within the laser cavity or defines a boundary thereto.
    • 根据本发明,公开了一种多频拉曼泵激光腔,其包括光学耦合到端部在部分反射面上的共享波导的角度色散元件; 多个激光二极管源,用于以拉曼放大的频率辐射,用于提供不同频率的激光,并相对于角度色散元件空间取向,使得从每个源发射的光从角度色散元件反射向相同的输出 港口; 至少两个用于在其间形成激光腔的部分反射涂层,其中所述光栅在激光腔内或限定其边界。
    • 43. 发明申请
    • Method and Apparatus for Correlated Ophthalmic Measurements
    • 用于相关眼科测量的方法和装置
    • US20110109881A1
    • 2011-05-12
    • US13011001
    • 2011-01-21
    • Rejean J. MungerMichael DaviesGordon Freedman
    • Rejean J. MungerMichael DaviesGordon Freedman
    • A61B3/10
    • A61B3/1233A61B5/14555
    • A method and system for providing multiple ophthalmic and retinal blood measurements is outlined. By extracting multiple digitized wavelength images and quantitative data within a relatively short time period the method allows for compensation of a patient's eye or head movement, generation of ophthalmic clinical records, and determination of data relating to blood measurements, such as oxygen saturation and hemoglobin, in addition to ocular and other disease determinations. The method provides for multiple analysis and measurements within a single sitting of the patient, with a single simple instrument and without adaptations to the instrument during a patient's eye examination. Beneficially the approach allows for low cost, compact, and even portable implementations offering such analysis and determination outside the current ophthalmic centers providing eased access and earlier diagnosis opportunities.
    • 概述了用于提供多个眼科和视网膜血液测量的方法和系统。 通过在相对短的时间段内提取多个数字化波长图像和定量数据,该方法允许补偿患者的眼睛或头部运动,产生眼科临床记录以及确定与血液测量有关的数据,例如氧饱和度和血红蛋白, 除了眼部和其他疾病的确定。 该方法提供了在患者的单个坐位内进行多次分析和测量,使用单个简单的仪器,并且在患者的眼睛检查期间没有对仪器的适应。 有利的是,该方法允许低成本,紧凑,甚至便携式实现,在当前眼科中心之外进行分析和确定,提供便利的访问和早期的诊断机会。
    • 46. 发明申请
    • TRAFFIC DISTRIBUTION TECHNIQUES
    • 交通分配技术
    • US20080181103A1
    • 2008-07-31
    • US11668133
    • 2007-01-29
    • Michael Davies
    • Michael Davies
    • H04L12/56
    • H04L47/10H04L47/125
    • Methods and apparatus are described for assigning data units to a plurality of groups. A key is generated for each of the data units such that the keys corresponding to associated ones of the data units are identical. An initial hash value is generated for each of the keys. A number of techniques are described for then deterministically scrambling the initial hash values such that small bit changes in the keys will typically produce stochastically large changes in the final hash values. The data units are mapped to specific ones of the groups with reference to the scrambled hash values.
    • 描述了将数据单元分配给多个组的方法和装置。 为每个数据单元生成一个密钥,使得与相关数据单元相对应的密钥相同。 为每个键生成一个初始哈希值。 描述了许多技术,用于确定性地扰乱初始散列值,使得密钥中的小位改变通常将在最终散列值中产生随机变化。 参考加扰散列值将数据单元映射到组中的特定组。
    • 47. 发明申请
    • Method and apparatus for correlated ophthalmic measurements
    • 用于相关眼科测量的方法和装置
    • US20080170205A1
    • 2008-07-17
    • US12007503
    • 2008-01-11
    • Rejean J. MungerMichael DaviesGordon Freedman
    • Rejean J. MungerMichael DaviesGordon Freedman
    • A61B3/15A61B3/10
    • A61B3/1233A61B5/14555
    • A method and system providing multiple ophthalmic and retinal blood measurements is outlined. By extracting multiple digitized wavelength images and quantitative data within a relatively short time period the method allows for compensation of a patients eye or head movement, generation of ophthalmic clinical records, and determination of data relating to blood measurements, such as oxygen saturation and hemoglobin, in addition to ocular and other disease determinations. The method provides for multiple analysis and measurements within a single sitting of the patient, with a single simple instrument and without adaptations to the instrument during a patients eye examination. Beneficially the approach allows for low cost, compact, and even portable implementations offering such analysis and determination outside the current ophthalmic centers providing eased access and earlier diagnosis opportunities.
    • 概述了提供多个眼科和视网膜血液测量的方法和系统。 通过在相对短的时间段内提取多个数字化波长图像和定量数据,该方法允许补偿患者眼睛或头部移动,产生眼科临床记录以及确定与血液测量有关的数据,例如氧饱和度和血红蛋白, 除了眼部和其他疾病的确定。 该方法在患者的单次坐姿中提供多次分析和测量,使用单个简单的仪器,并且在患者眼睛检查期间不对仪器进行适应。 有利的是,该方法允许低成本,紧凑,甚至便携式实现,在当前眼科中心之外进行分析和确定,提供便利的访问和早期的诊断机会。