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    • 1. 发明授权
    • Diffractive grating coupler and method
    • 衍射光栅耦合器和方法
    • US06285813B1
    • 2001-09-04
    • US09165822
    • 1998-10-02
    • Stephen M. SchultzThomas K. GaylordElias N. GlytsisNile F. Hartman
    • Stephen M. SchultzThomas K. GaylordElias N. GlytsisNile F. Hartman
    • G02B634
    • G02B6/124G02B6/12004G02B6/30G02B6/34
    • The present invention entails a volume grating for use as an optical coupler and method for creating the same which comprises a predetermined surface grating pattern having a decreasing surface grating period along a waveguide light propagation direction in the volume grating with a plurality of slanted grating fringes having a variable slant angle along the waveguide light propagation direction to focus coupled light in a first dimension with a predetermined light intensity profile along a grating-cover interface plane of the volume grating. In addition, the predetermined surface grating pattern further includes an increasing radius of curvature along the waveguide light propagation direction to focus the light in a second dimension. The present invention further comprises a system and method for designing the volume grating, as well as a system and method for designing an apparatus for fabricating the volume grating.
    • 本发明涉及用作光耦合器的体光栅及其制造方法,其包括具有沿着波导光传播方向的具有减小的表面光栅周期的预定表面光栅图案,其中多个倾斜光栅条纹具有多个倾斜的光栅条纹, 沿着波导光传播方向的可变倾斜角,以沿着沿着光栅的光栅覆盖界面平面的第一维度具有预定的光强度分布。 此外,预定表面光栅图案还包括沿着波导光传播方向增加的曲率半径,以将光聚焦在第二维度上。 本发明还包括用于设计体积光栅的系统和方法,以及用于设计用于制造体积光栅的装置的系统和方法。
    • 5. 发明授权
    • Storage system with middle-way logical volume
    • 具有中间逻辑卷的存储系统
    • US08364905B2
    • 2013-01-29
    • US12857306
    • 2010-08-16
    • Stephen M. SchultzChiung-Shang WuRajavel GnanapragasamJoseph D. BlackNhan Q. Vo
    • Stephen M. SchultzChiung-Shang WuRajavel GnanapragasamJoseph D. BlackNhan Q. Vo
    • G06F12/02
    • G06F12/0866G06F12/0897G06F2212/222
    • A storage system is disclosed including storage devices configured to store data, and a logical storage volume coupled to the storage devices and configured to store a subset of the data as segments. The storage system also includes a controller including a cache and memory. The memory is configured to include records such that each record corresponds with a segment in the logical storage volume and each record includes information regarding data stored in the corresponding segment. The controller is configured to access the records in response to a cache miss of the cache to determine if requested data from the cache miss is stored and ready for access in the logical storage volume. The controller is also configured to update the subset of data stored in the segments as a function of cache misses.
    • 公开了一种存储系统,包括被配置为存储数据的存储设备,以及耦合到存储设备并被配置为将数据的子集存储为段的逻辑存储卷。 存储系统还包括具有缓存和存储器的控制器。 存储器被配置为包括记录,使得每个记录对应于逻辑存储卷中的段,并且每个记录包括关于存储在相应段中的数据的信息。 控制器被配置为响应于缓存的高速缓存未命中来访问记录,以确定来自高速缓存未命中的请求数据是否被存储并准备好在逻辑存储卷中进行访问。 控制器还被配置为根据高速缓存未命中来更新存储在段中的数据子集。
    • 6. 发明授权
    • Segmented spectrum imaging system and method
    • 分段光谱成像系统及方法
    • US07391388B2
    • 2008-06-24
    • US10282501
    • 2002-10-28
    • Stephen M. Schultz
    • Stephen M. Schultz
    • G02F1/13
    • G01J3/2823G01J2003/2826
    • A system and method for producing spectrally segmented images of object fields. In one embodiment the system includes an optical system that focuses light received from an object field along a focal plane with a field stop positioned within the optical system that has plural apertures for selectively transmitting the light from the object field. A diffractive element is positioned within the optical system to spectrally spread, along the focal plane, the light transmitted through the apertures. The apertures can be parallel slots or geometrically arranges holes. The plural apertures are spaced such that the spectrally spread light transmitted through any given aperture and incident upon the focal plane does not overlap on the focal plane with the light transmitted through any other aperture. The diffractive element may spread light across one or more directions. In one embodiment, a processor is coupled to a plurality of pixels in a focal plane array. A memory for storing image data organized as a hyper-spectral cube.
    • 用于产生对象场的频谱分割图像的系统和方法。 在一个实施例中,该系统包括一个光学系统,该光学系统将聚焦平面上从物体场接收的光聚焦在位于光学系统内的场致动器,该光束系统具有用于选择性地透射来自物场的光的多个孔。 衍射元件位于光学系统内,沿着焦平面光谱地扩散透过孔的光。 孔可以是平行狭槽或几何排列孔。 多个孔径被间隔开,使得透射通过任何给定孔径并且入射在焦平面上的光谱扩展的光在焦平面上不重叠,而透过任何其它孔的光。 衍射元件可以在一个或多个方向上传播光。 在一个实施例中,处理器耦合到焦平面阵列中的多个像素。 用于存储组织为超光谱立方体的图像数据的存储器。
    • 8. 发明授权
    • Automatic hard disk bad sector remapping
    • 自动硬盘坏扇区重映射
    • US5166936A
    • 1992-11-24
    • US556340
    • 1990-07-20
    • Richard A. EwertStephen M. Schultz
    • Richard A. EwertStephen M. Schultz
    • G06F11/20G11B20/18
    • G11B20/1883G11B2220/20
    • A method for automatically remapping a disk after receiving a bad sector indication without requiring system operator intervention, initiation of a diagnostic program or system down time. When the disk controller receives the error and mirroring or parity operation is activated, a remap routine is initiated. The routine finds the bad sector in the request, builds a good track of data and stores this good track of data in a reserved area on all the disk units on the controller. The data in the reserved area is then read, and if successful, the track having the bad sector is remapped to remove the bad sector from use. The saved data is then rewritten to the track, thus restoring the disk unit to full operation. A flag is set during the process so that should power fail the process can be restarted.
    • 在不需要系统操作员干预,启动诊断程序或系统停机时间之后,在接收到不良扇区指示之后自动重新映射磁盘的方法。 当磁盘控制器接收到错误并激活镜像或奇偶校验操作时,将启动重映射程序。 该例程在请求中找到不良扇区,构建良好的数据跟踪,并将这个良好的数据轨迹存储在控制器上所有磁盘单元的保留区域中。 然后,读取保留区域中的数据,如果成功,则重新映射具有坏扇区的轨道,以去除坏扇区的使用。 然后将保存的数据重写到轨道,从而将磁盘单元恢复为完全操作。 在该过程中设置一个标志,以便在电源故障的过程中可以重新启动。