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21 条记录 (耗时 0.022 秒)

    Element for thermoplastic recording
    2.
    发明授权
    Element for thermoplastic recording 失效
    热塑性记录元素

    公开(公告)号：US4282295A

    公开(公告)日：1981-08-04

    申请号：US64271

    申请日：1979-08-06

    申请人： Tzuo-Chang Lee ,  Jacob W. Lin

    发明人： Tzuo-Chang Lee ,  Jacob W. Lin

    IPC分类号： G03G5/022 ,  G03G5/10 ,  G03G5/14 ,  G03G5/147 ,  G03H1/02

    CPC分类号： G03G5/102 ,  G03G5/022 ,  G03G5/104 ,  G03G5/144 ,  G03G5/14713 ,  Y10S428/913 ,  Y10S428/918 ,  Y10T428/261 ,  Y10T428/265 ,  Y10T428/31681

    摘要： In a thermoplastic-photoconductor holographic recording medium in the form of several transparent layers over a transparent substrate, such as an optically transparent electrically conductive layer, then a photoconductor layer and a thermoplastic layer over such as glass or Mylar, a conventional material such as gold or platinum has been used as a transparent conductive layer. It is desired to use a less precious metal such as nickel-chromium (NiCr) as the conductive layer, however a limitation has been found in that an unwanted dark charge injection occurs from the NiCr to the photoconductive layer. This causes poor charge acceptance and therefore results in poor halogram formation. Herein a mono atom thick layer of the NiCr is treated and becomes on oxide layer which forms an effective charge blocking layer to dark charge injection.

    摘要翻译： 在诸如光学透明的导电层之类的透明基底上的几个透明层形式的热塑性光电导体全息记录介质中，然后在诸如玻璃或聚酯薄膜之类的感光体层和热塑性层，例如金 或铂已被用作透明导电层。 希望使用较少的贵金属如镍 - 铬（NiCr）作为导电层，但是发现从NiCr到光电导层发生不希望的暗电荷注入的限制。 这导致电荷接受不良，因此导致光晕图形成差。 在此处处理NiCr的单原子厚层，并形成氧化物层，其形成有效的电荷阻挡层以进行暗电荷注入。

    Element for thermoplastic recording
    3.
    发明授权
    Element for thermoplastic recording 失效
    热塑性记录元素

    公开(公告)号：US4131462A

    公开(公告)日：1978-12-26

    申请号：US658324

    申请日：1976-02-17

    申请人： Tzuo-Chang Lee ,  Jacob W. Lin

    发明人： Tzuo-Chang Lee ,  Jacob W. Lin

    IPC分类号： G03G5/022 ,  G03G5/10 ,  B41M5/20 ,  G03G13/22

    CPC分类号： G03G5/022

    摘要： This invention pertains to an improved thermoplastic holographic recording medium having an added layer between the thermoplastic layer and the photoconductor layer. The added layer is electrically insulating at temperatures used for thermal development to prevent decaying charge contrast during hologram development.

    摘要翻译： 本发明涉及一种改进的热塑性全息记录介质，其在热塑性层和感光体层之间具有添加层。 添加层在用于热显影的温度下是电绝缘的，以防止全息图显影期间的电荷对比度降低。

    Triple push-pull optical tracking system
    5.
    发明授权
    Triple push-pull optical tracking system 失效
    三重推挽光学跟踪系统

    公开(公告)号：US06940676B1

    公开(公告)日：2005-09-06

    申请号：US09588891

    申请日：2000-06-07

    申请人： Tzuo-Chang Lee ,  James Tylock

    发明人： Tzuo-Chang Lee ,  James Tylock

    IPC分类号： G11B5/584 ,  G11B15/46 ,  G11B15/60

    CPC分类号： G11B5/584 ,  G11B15/602

    摘要： A method of generating a composite signal in a closed loop servo signal system of a data recording system used to drive a recording head to any given position within a dynamic range of a servo tracks includes an optical pickup system for generating optical spots focused on a recording medium, the spots separated by equal distances across a track, the optical pickup system receiving a set of reflectances from the spots, a media system for providing the servo tracks responsive to optical spot illumination, an electric system for generating a set of filtered signals from the reflectances and for generating a set of S-curves by pair wise subtraction of the filtered signals, a processing system to generate a composite servo position signal from the S-curves and filtered reflectances, and a servo system for driving the recording head to a desired position by comparing the desired position to a measured position from the composite servo position.

    摘要翻译： 在用于将记录头驱动到伺服轨道的动态范围内的任何给定位置的数据记录系统的闭环伺服信号系统中产生复合信号的方法包括：用于产生聚焦在记录上的光点的光学拾取系统 介质，在轨道上分开相等距离的光斑，光学拾取系统接收来自光斑的一组反射，用于响应于光点照射提供伺服轨道的介质系统，用于从 反射率和通过成对减去滤波信号产生一组S曲线的处理系统，用于从S曲线和滤波反射产生复合伺服位置信号的处理系统，以及用于将记录头驱动到 通过从所述复合伺服位置将所述期望位置与测量位置进行比较来获得期望位置。

    Spatial filtering of laser ghosts
    6.
    发明授权
    Spatial filtering of laser ghosts 失效
    激光鬼魂的空间滤波

    公开(公告)号：US06853652B2

    公开(公告)日：2005-02-08

    申请号：US09892599

    申请日：2001-06-27

    申请人： Tzuo-Chang Lee ,  Arkady Feldman

    发明人： Tzuo-Chang Lee ,  Arkady Feldman

    IPC分类号： G02B27/46 ,  G11B5/584 ,  G11B5/596 ,  G11B7/09 ,  G11B7/135 ,  H01S3/10

    CPC分类号： G11B5/584

    摘要： An optical servo writer system including a laser subsystem to generate a multiplicity of light beams, a lens positioned to receive and focus the light beams and a spatial filter positioned in the system so as to allow a subset of the light beams to pass through the filter. The multiplicity of light beams includes the subset that contains the desired beams, or the servo beams, and also the undesired beams, called the ghost beams. The system further includes a digital linear tape positioned adjacent the spatial filter with the spatial filter allowing the subset of light beams to hit the digital linear tape and produce servo marks. The spatial filter includes openings positioned to allow the subset of light beams to pass through the filter. The openings may be staggered relative to the digital linear tape to prevent debris generated by the marking process from clogging the openings.

    摘要翻译： 一种光学伺服写入器系统，包括用于产生多个光束的激光子系统，定位成接收和聚焦光束的透镜和位于该系统中的空间滤光器，以允许光束的子集通过滤光器 。 多个光束包括包含所需光束或伺服光束的子集，以及称为重影光束的不需要的光束。 该系统还包括与空间滤波器相邻的数字线性带，空间滤波器允许光束的子集击中数字线性带并产生伺服标记。 空间滤波器包括定位成允许光束子集通过滤光器的开口。 开口可以相对于数字线性带交错，以防止标记过程产生的碎屑堵塞开口。

    Method for forming a servo pattern on a magnetic tape
    7.
    发明授权
    Method for forming a servo pattern on a magnetic tape 失效
    在磁带上形成伺服图案的方法

    公开(公告)号：US07029726B1

    公开(公告)日：2006-04-18

    申请号：US09361669

    申请日：1999-07-27

    申请人： Hong Chen ,  Joseph M. Panish ,  Tzuo-Chang Lee ,  Leo Cappabianca

    发明人： Hong Chen ,  Joseph M. Panish ,  Tzuo-Chang Lee ,  Leo Cappabianca

    IPC分类号： B05D3/00

    CPC分类号： G11B21/103 ,  G11B5/584 ,  G11B5/59677

    摘要： The systems, methods and products of the invention include systems and methods for manufacturing servo tracks on a magnetic tape. In one aspect, the invention includes systems for manufacturing magnetic tapes having servo tracks thereon wherein the servo tracks are optically detectable and are capable of being processed by a servo control system for maintaining alignment of a magnetic recording head with the data tracks on the recording side of the magnetic tape. In one practice, the manufacturing systems described herein engrave the servo tracks onto the non-recording side of a magnetic tape by directing a laser beam at the non-recording side of the magnetic tape. In another practice, the manufacturing systems described herein engrave the servo tracks onto the magnetic side of a magnetic tape by directing a laser beam at the magnetic side of the magnetic tape. Such engraved patterns can act as optical servo tracks for maintaining alignment of the recording head with the data tracks on the magnetic tape.

    摘要翻译： 本发明的系统，方法和产品包括用于在磁带上制造伺服磁道的系统和方法。 一方面，本发明包括用于制造其上具有伺服磁道的磁带的系统，其中伺服磁道是可光学检测的并且能够由伺服控制系统处理，以保持磁记录头与记录侧上的数据磁道的对准 的磁带。 在一个实践中，本文所述的制造系统通过将激光束引导到磁带的非记录侧来将伺服磁道雕刻到磁带的非记录侧上。 在另一个实践中，本文所述的制造系统通过将激光束引导到磁带的磁性侧来将伺服磁道雕刻到磁带的磁性侧。 这种雕刻图案可以用作光学伺服轨道，用于保持记录头与磁带上的数据轨迹的对准。

    Holographic space-variant system for evaluating the ambiguity integral
    8.
    发明授权
    Holographic space-variant system for evaluating the ambiguity integral 失效
    用于评估模糊度积分的全息空间变异系统

    公开(公告)号：US4339176A

    公开(公告)日：1982-07-13

    申请号：US150777

    申请日：1980-05-19

    申请人： Tzuo-Chang Lee

    发明人： Tzuo-Chang Lee

    IPC分类号： G01S13/58 ,  G06E3/00 ,  G02B27/46 ,  G06G9/00

    CPC分类号： G01S13/587 ,  G06E3/001

    摘要： An optical system for creating the ambiguity function of a moving target is disclosed. The two signals which are to be used in the analysis are coded on spatial data masks as two-dimensional arrays of one-dimensional functions. The frequency scaling property of a post lens Fourier Transform is utilized to apply a variable scaling factor to at least one of the functions. This is accomplished by passing a beam of substantially coherent light through a cylindrical Fourier Transform lens before it passes through the data masks. At least one of the data masks is then set at an angle other than perpendicular to the beam path.

    摘要翻译： 公开了一种用于产生移动目标的模糊函数的光学系统。 要在分析中使用的两个信号在空间数据掩码上被编码为二维功能的二维阵列。 后透镜傅里叶变换的频率缩放特性用于将可变缩放因子应用于至少一个函数。 这是通过在通过数据掩模之前通过圆柱形傅里叶变换透镜通过基本上相干的光束来实现的。 然后将数据掩模中的至少一个设置成与垂直于光束路径不同的角度。