System and method for packet parsing and data reconstruction in an IEEE 1394-1995 serial bus network
    11.
    发明授权
    System and method for packet parsing and data reconstruction in an IEEE 1394-1995 serial bus network 有权
    IEEE 1394-1995串行总线网络中的数据包解析和数据重建的系统和方法

    公开(公告)号:US06711181B1

    公开(公告)日:2004-03-23

    申请号:US09441114

    申请日:1999-11-17

    CPC classification number: H04L12/40071 H04L12/6418 H04L69/22

    Abstract: A system for packet parsing and data reconstruction in an IEEE 1394-1995 serial bus network includes a network interface unit, a processing unit, and a memory wherein an operating system resides. The operating system includes a streaming services module and a multimedia Application Program Interface (API) module. The network interface unit receives a stream of packets from a transmission device. Each packet includes a header portion, and may also include a data portion. The data portion, if present, stores data content generated from source data organized in accordance with a predetermined format. The streaming services module stores and then parses the received packets. A method for packet parsing and data reconstruction includes the steps of receiving a packet stream; storing a first and a second packet; locating a header portion within the first packet; and determining whether a header portion within the second packet immediately follows the header portion within the first packet. The method may also include the steps of determining whether the first packet corresponds to a particular boundary within the source data, such as the beginning of a digital video (DV) frame; and transferring data content within the first packet to a buffer.

    Abstract translation: 在IEEE 1394-1995串行总线网络中用于数据包解析和数据重建的系统包括网络接口单元,处理单元和操作系统所在的存储器。 操作系统包括流服务模块和多媒体应用程序接口(API)模块。 网络接口单元从传输设备接收分组流。 每个分组包括报头部分,并且还可以包括数据部分。 数据部分(如果存在)存储从根据预定格式组织的源数据生成的数据内容。 流服务模块存储然后解析接收到的数据包。 一种分组解析和数据重建的方法包括以下步骤:接收分组流; 存储第一和第二分组; 在第一分组内定位报头部分; 以及确定所述第二分组内的报头部分是否紧接在所述第一分组内的所述报头部分之后。 该方法还可以包括以下步骤:确定第一分组是否对应于源数据内的特定边界,例如数字视频(DV)帧的开始; 以及将所述第一分组内的数据内容传送到缓冲器。

    Sampling device for ion migration spectrometer and method for using the same, and ion migration spectrometer
    12.
    发明授权
    Sampling device for ion migration spectrometer and method for using the same, and ion migration spectrometer 有权
    离子迁移光谱仪采样装置及其使用方法及离子迁移光谱仪

    公开(公告)号:US08304716B2

    公开(公告)日:2012-11-06

    申请号:US13170763

    申请日:2011-06-28

    CPC classification number: G01N27/622

    Abstract: The present invention discloses a sampling device for an ion migration spectrometer (IMS), comprising: an inner sleeve part, inside of which an inner cavity is defined, one end of the inner sleeve part is connected with an inlet of an migration pipe via an inner-layer channel, and the other end of the inner sleeve part is configured with an inner end cap having an inner opening; and an outer sleeve part, which is configured as an eccentric sleeve that is coaxial with the inner sleeve part and able to rotate with respect to the inner sleeve part, so as to form a sleeve cavity between the inner sleeve part and the outer sleeve part, wherein one end of the outer sleeve part is configured with at least one connecting opening that is selectively connected with the inner-layer channel, and the other end of the outer sleeve part is configured with an outer end cap, on which a first outer opening selectively connected with the inner opening and a second outer opening selectively connected with the sleeve cavity are configured, wherein the outer end cap is configured to be able to rotate between a first location and a second location with respect to the inner end cap, so as to selectively introduce a sample to be detected into the inner-layer channel via one of the inner cavity and the sleeve cavity. Moreover, the present invention further relates to a method for solid and gas sampling by using the above sampling device.

    Abstract translation: 本发明公开了一种离子迁移光谱仪(IMS)的取样装置,其特征在于,包括:内套筒部,内侧限定有内腔,内套筒部的一端经由移动管的入口 内层通道,内套筒部的另一端构成为具有内开口的内端盖; 以及外套筒部,其被构造为与内套筒部分同轴且能够相对于内套筒部分旋转的偏心套筒,以在内套筒部分和外套筒部分之间形成套筒腔 其中,所述外套筒部分的一端构造有至少一个连接开口,所述至少一个连接开口与所述内层通道选择性地连接,并且所述外套筒部分的另一端构造有外端盖, 构造了与内部开口选择性地连接的开口和与套筒空腔有选择地连接的第二外部开口,其中外部端盖构造成能够相对于内部端盖在第一位置和第二位置之间旋转,因此 以便通过内腔和套管腔中的一个选择性地将要检测的样品引入内层通道。 此外,本发明还涉及使用上述采样装置进行固体和气体取样的方法。

    Generation of optical signals with return-to-zero format

    公开(公告)号:US07068948B2

    公开(公告)日:2006-06-27

    申请号:US09971831

    申请日:2001-10-04

    CPC classification number: H04B10/508 G02F2001/212 G02F2203/70

    Abstract: An optical return-to-zero (RZ) signal generator and related methods are described in which a phase modulator causes a phase change in an optical signal responsive to a transition in a driving signal, and in which an interferometer receives the optical signal from the phase modulator and generates an optical pulse responsive to that phase change. Preferably, the interferometer introduces a fixed, unmodulated time delay between its two signal paths, the fixed time delay being selected such that destructive interference occurs at an output of the interferometer when the phase of the optical signal received from the phase modulator remains constant. However, when a rising or falling edge of the driving signal causes phases changes in the optical signal, the destructive interference at the output of the interferometer is disturbed, and an optical pulse is generated. The driving signal is a differentially encoded version of an input information signal. Alternatively, the driving signal is proportional to the input information signal and the transmitted RZ-formatted optical signal is a differentially encoded version of that signal. Features for regulating the fixed time delay, features for frequency shift compensation, features for loss compensation/equalization, and integrated single-chip and multiple-chip embodiments are also described.

    Method of and system for authentication downloading
    14.
    发明申请
    Method of and system for authentication downloading 审中-公开
    认证下载的方法和系统

    公开(公告)号:US20050060578A1

    公开(公告)日:2005-03-17

    申请号:US10666889

    申请日:2003-09-17

    Applicant: Xin Xue

    Inventor: Xin Xue

    Abstract: A method of and system for authorization and authentication downloading utilizes a removable memory having a set of authentication data. A user accesses a server with a handheld electronic device via a wireless Internet connection. The removable memory includes the set of authentication data. The handheld electronic device includes an interface to connect to the Internet when the removable memory is inserted into the handheld electronic device and a connection is formed with a server, using the set of authentication data, the server is able to authenticate the removable memory automatically without the user interfacing personally with the server. The server authenticates downloading to the removable memory in the handheld electronic device by reading the set of authentication data on the removable memory, and downloading the desired content to the removable memory.

    Abstract translation: 用于授权和认证下载的方法和系统利用具有一组认证数据的可移动存储器。 用户通过无线互联网连接使用手持电子设备访问服务器。 可移动存储器包括一组认证数据。 手持式电子设备包括当可移动存储器插入到手持式电子设备中时连接到因特网的接口,并且使用该组认证数据与服务器形成连接,服务器能够自动认证可移动存储器而没有 用户亲自与服务器进行接口。 服务器通过读取可移动存储器上的一组认证数据,并将所需内容下载到可移动存储器来认证向手持电子设备中的可移动存储器的下载。

    SAMPLING DEVICE FOR ION MIGRATION SPECTROMETER AND METHOD FOR USING THE SAME, AND ION MIGRATION SPECTROMETER
    15.
    发明申请
    SAMPLING DEVICE FOR ION MIGRATION SPECTROMETER AND METHOD FOR USING THE SAME, AND ION MIGRATION SPECTROMETER 有权
    用于离子移动光谱仪的采样装置及其使用方法和离子移动光谱仪

    公开(公告)号:US20120168617A1

    公开(公告)日:2012-07-05

    申请号:US13170763

    申请日:2011-06-28

    CPC classification number: G01N27/622

    Abstract: The present invention discloses a sampling device for an ion migration spectrometer (IMS), comprising: an inner sleeve part, inside of which an inner cavity is defined, one end of the inner sleeve part is connected with an inlet of an migration pipe via an inner-layer channel, and the other end of the inner sleeve part is configured with an inner end cap having an inner opening; and an outer sleeve part, which is configured as an eccentric sleeve that is coaxial with the inner sleeve part and able to rotate with respect to the inner sleeve part, so as to form a sleeve cavity between the inner sleeve part and the outer sleeve part, wherein one end of the outer sleeve part is configured with at least one connecting opening that is selectively connected with the inner-layer channel, and the other end of the outer sleeve part is configured with an outer end cap, on which a first outer opening selectively connected with the inner opening and a second outer opening selectively connected with the sleeve cavity are configured, wherein the outer end cap is configured to be able to rotate between a first location and a second location with respect to the inner end cap, so as to selectively introduce a sample to be detected into the inner-layer channel via one of the inner cavity and the sleeve cavity. Moreover, the present invention further relates to a method for solid and gas sampling by using the above sampling device.

    Abstract translation: 本发明公开了一种离子迁移光谱仪(IMS)的取样装置,其特征在于,包括:内套筒部,内侧限定有内腔,内套筒部的一端经由移动管的入口 内层通道,内套筒部的另一端构成为具有内开口的内端盖; 以及外套筒部,其被构造为与内套筒部分同轴且能够相对于内套筒部分旋转的偏心套筒,以在内套筒部分和外套筒部分之间形成套筒腔 其中,所述外套筒部分的一端构造有至少一个连接开口,所述至少一个连接开口与所述内层通道选择性地连接,并且所述外套筒部分的另一端构造有外端盖, 构造了与内部开口选择性地连接的开口和与套筒空腔有选择地连接的第二外部开口,其中外部端盖构造成能够相对于内部端盖在第一位置和第二位置之间旋转,因此 以便通过内腔和套管腔中的一个选择性地将要检测的样品引入内层通道。 此外,本发明还涉及使用上述采样装置进行固体和气体取样的方法。

    Scanning apparatus capable of filtering off a holographic picture
    16.
    发明申请
    Scanning apparatus capable of filtering off a holographic picture 审中-公开
    能够滤除全息图像的扫描装置

    公开(公告)号:US20070019270A1

    公开(公告)日:2007-01-25

    申请号:US11488610

    申请日:2006-07-19

    CPC classification number: G02B26/106

    Abstract: A scanning apparatus for scanning a hologram is capable of filtering off a holographic picture in the hologram. The hologram includes an image layer having an image to be scanned and a laser layer having the holographic picture. The laser layer has a maximum penetrable incidence. Light with an incidence larger than the maximum penetrable incidence fails to pass through due to light reflection so as to prohibit the image light of the image layer from light transmission. The scanning apparatus includes a load platform and a chassis. The load platform is used for placing the hologram thereon. Besides, the chassis includes a light source for emitting a light. When the scanning apparatus performs scanning, light penetrates the image layer to reflect the image to be scanned and further penetrates the laser layer. After a signal processing procedure, a scanned image is obtained without being influenced by the holographic picture.

    Abstract translation: 用于扫描全息图的扫描装置能够滤除全息图中的全息图像。 全息图包括具有要扫描的图像的图像层和具有全息图像的激光层。 激光层具有最大可穿透的入射角。 具有大于最大穿透入射角的入射光由于光反射而不能通过,从而禁止图像层的图像光透过。 扫描装置包括负载平台和底盘。 负载平台用于将全息图放置在其上。 此外,底盘包括用于发光的光源。 当扫描装置执行扫描时,光穿透图像层以反射待扫描的图像并进一步穿透激光层。 在信号处理过程之后,获得扫描图像而不受全息图像的影响。

    System and method of patching missing digital video packets communicated in an IEEE 1394 compliant implementation

    公开(公告)号:US20060187351A1

    公开(公告)日:2006-08-24

    申请号:US11405907

    申请日:2006-04-17

    Applicant: Xin Xue

    Inventor: Xin Xue

    Abstract: The present invention is a system and method that facilitates the reduction of presentation glitches in a digital video system. The present invention is a system and method that automatically determines if digital video (DV) data is missing from a stream of DV information and replaces or patches missing DV data with appropriate information to reduce the appearance of interruptions in the video (e.g., glitches in presentations). A communication packet carrying application data is received by an application data patching computer system. In one embodiment of the present invention, an IEEE standard 1394 compliant isochronous packet carrying digital video information is received. The application data (e.g., DV information) is separated from other communication packet protocol data (e.g., IEEE standard 1394 compliant header information). The received application data is analyzed to determine if it conforms to configuration constraints of predetermined application data format requirements. In one exemplary implementation, the initial information included in the application data section of the communication packet is analyzed to determine if it appropriately (e.g., sequentially) follows the information in previously received communication packet in accordance with predefined configuration definitions. If the information does not appropriately (e.g., sequentially) follow the information in previously received communication packet, a data patch is provided for lost or missing application data.

    Reducing nonlinearities caused by transmission of optical information through nonlinear media
    18.
    发明授权
    Reducing nonlinearities caused by transmission of optical information through nonlinear media 失效
    通过非线性介质减少光信息传输引起的非线性

    公开(公告)号:US06396586B1

    公开(公告)日:2002-05-28

    申请号:US09518143

    申请日:2000-03-03

    Inventor: Haiqing Wei Xin Xue

    CPC classification number: H04B10/2507

    Abstract: An apparatus and related method for transmitting an optical signal through a nonlinear medium such that nonlinearities caused by the medium are eliminated from the transmitted optical signal is described. The optical signal is presumed to have a duty cycle, wherein the optical signal is “on” during an active portion of the duty cycle and “off” during an inactive portion, the active portion being of equal or lesser duration than the inactive portion. The optical signal plus a delayed and weighted version of itself are transmitted through the nonlinear medium without mutual interference. The transmitted signals are then re-synchronized, weighted, and subtracted such that nonlinearities induced by the medium are canceled, but such that a signal proportional to a delayed version of the original optical signal survives.

    Abstract translation: 描述了一种用于通过非线性介质发送光信号的装置和相关方法,使得从传输的光信号中消除了由介质引起的非线性。 假设光信号具有占空比,其中光信号在占空比的有效部分期间为“导通”,而在非活动部分期间为“关”,有效部分的持续时间等于或小于非活动部分。 光信号加上其自身的延迟和加权版本通过非线性介质传输而无相互干扰。 然后将所发送的信号重新同步,加权和相减,使得由介质引起的非线性被消除,但是使得与原始光信号的延迟版本成比例的信号存活。

    Electrically controllable integrated optical cross-connect
    19.
    发明授权
    Electrically controllable integrated optical cross-connect 失效
    电控集成光交叉连接

    公开(公告)号:US06944361B2

    公开(公告)日:2005-09-13

    申请号:US10121846

    申请日:2002-04-12

    Inventor: Xin Xue Haiqing Wei

    Abstract: An integrated optical cross-connect device and associated methods are described, the cross-connect device comprising a plurality M of input waveguides formed in a first material layer of an integrated circuit, a plurality N of output waveguides formed in a second material layer of the integrated circuit, and a plurality MN of micromechanically actuated bridge elements formed in at least one intermediate layer lying between the first and second material layers. Responsive to an electrical control signal, each bridge element establishes an index-guided, nonreflecting optical path between its associated input waveguide and its associated output waveguide. Preferably, the bridge element comprises an arcuate waveguide structure substantially surrounded by air or other nonsolid material, the arcuate waveguide structure being twistably connected to a remainder of the intermediate layer by a narrow neck portion. When electrostatically actuated, one end of the arcuate waveguide structure rises to meet the input waveguide while the other end lowers to meet the output waveguide. Associated fabrication methods and an expandable, modular cross-connect system based on the cross-connect device are also described.

    Abstract translation: 描述了集成光学交叉连接装置及相关方法,交叉连接装置包括形成在集成电路的第一材料层中的多个输入波导,多个N个输出波导形成在第二材料层中 集成电路以及形成在位于第一和第二材料层之间的至少一个中间层中的多个微机电致动桥元件。 响应于电控制信号,每个桥元件在其相关联的输入波导及其相关联的输出波导之间建立索引引导的非反射光路。 优选地,桥接元件包括基本上被空气或其它非固体材料包围的弓形波导结构,该弧形波导结构通过狭窄的颈部扭转地连接到中间层的其余部分。 当静电致动时,弓形波导结构的一端上升以满足输入波导,而另一端降低以满足输出波导。 还描述了相关的制造方法和基于交叉连接装置的可扩展的模块化交叉连接系统。

    Method of and system for file transfer
    20.
    发明申请
    Method of and system for file transfer 审中-公开
    文件传输的方法和系统

    公开(公告)号:US20050060279A1

    公开(公告)日:2005-03-17

    申请号:US10665698

    申请日:2003-09-17

    Applicant: Xin Xue

    Inventor: Xin Xue

    CPC classification number: G06F16/182

    Abstract: The present invention includes a method and system for transferring files between a personal computer (PC) and a personal digital assistant (PDA). In the absence of the file stream manager of the PDA being available to the conduit, the present invention defines a mechanism to effectuate file conversion and transfer through the conduit without the file stream manager. The present invention includes a method and system that generates a file in the PC and allocates a record size such that the file is read and written into separate data records of the allocated size before transfer to the PDA. An application information block is generated to identify the number of records and the size of each record. Upon receiving the records in the PDA, the method and system of the present invention utilizes the database manager to read and the file stream manager to write each record into a storage heap before the file and the file stream manager are closed.

    Abstract translation: 本发明包括用于在个人计算机(PC)和个人数字助理(PDA)之间传送文件的方法和系统。 在PDA的文件流管理器没有可用于管道的情况下,本发明定义了通过导管进行文件转换和传送而不使用文件流管理器的机制。 本发明包括在PC中生成文件并分配记录大小的方法和系统,以便在传送到PDA之前将文件读取并写入分配的大小的分开的数据记录中。 生成应用信息块以识别记录的数量和每个记录的大小。 一旦接收到PDA中的记录,本发明的方法和系统利用数据库管理器读取文件流管理器,在文件和文件流管理器关闭之前将每个记录写入存储堆。

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