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    • 1. 发明申请
    • DYNAMIC HITLESS RESIZING IN OPTICAL TRANSPORT NETWORKS
    • 光动力运输网络动态无效
    • US20120170936A1
    • 2012-07-05
    • US13424229
    • 2012-03-19
    • Maarten VissersYang YangHuub van HelvoortWei Su
    • Maarten VissersYang YangHuub van HelvoortWei Su
    • H04B10/20
    • H04J3/1658H04B10/27H04J2203/0067H04J2203/0069H04J2203/0082
    • The invention relates to techniques for controlling a dynamic hitless resizing in data transport networks. According to a method aspect of the invention, a network connection comprises M tributary slots defined in a payload area of a higher order transport scheme of the data transport network and the method comprises the steps of receiving a connection resize control signal at each of the nodes along the path of the network connection; adding at each node along the path in response to the connection resize control signal a second set of N tributary slots to the first set of the M tributary slots, such that the network connection comprises M+N tributary slots; and increasing, after M+N tributary slots are available for the network connection at each node along the path, a transport data rate of the network connection.
    • 本发明涉及用于控制数据传输网络中无动态无冲突调整大小的技术。 根据本发明的方法方面,网络连接包括在数据传输网络的较高阶传输方案的有效载荷区域中定义的M个支路时隙,该方法包括以下步骤:在每个节点处接收连接调整大小控制信号 沿着网络连接的路径; 在所述路径的每个节点处,将所述连接调整控制信号添加到所述M个支路时隙的第一集合的N个分支时隙的第二组,使得所述网络连接包括M + N个分支时隙; 并且在沿着路径的每个节点的M + N个支路时隙可用于网络连接之后,增加网络连接的传输数据速率。
    • 2. 发明授权
    • Dynamic hitless resizing in optical transport networks
    • 光传输网络中的动态无限大尺寸调整
    • US08886040B2
    • 2014-11-11
    • US13424229
    • 2012-03-19
    • Maarten VissersYang YangHuub van HelvoortWei Su
    • Maarten VissersYang YangHuub van HelvoortWei Su
    • H04B10/20H04J1/16H04L12/28H04L12/56H04J14/08H04J14/00H04J3/16
    • H04J3/1658H04B10/27H04J2203/0067H04J2203/0069H04J2203/0082
    • The invention relates to techniques for controlling a dynamic hitless resizing in data transport networks. According to a method aspect of the invention, a network connection comprises M tributary slots defined in a payload area of a higher order transport scheme of the data transport network and the method comprises the steps of receiving a connection resize control signal at each of the nodes along the path of the network connection; adding at each node along the path in response to the connection resize control signal a second set of N tributary slots to the first set of the M tributary slots, such that the network connection comprises M+N tributary slots; and increasing, after M+N tributary slots are available for the network connection at each node along the path, a transport data rate of the network connection.
    • 本发明涉及用于控制数据传输网络中无动态无冲突调整大小的技术。 根据本发明的方法方面,网络连接包括在数据传输网络的较高阶传输方案的有效载荷区域中定义的M个支路时隙,该方法包括以下步骤:在每个节点处接收连接调整大小控制信号 沿着网络连接的路径; 在所述路径的每个节点处,将所述连接调整控制信号添加到所述M个支路时隙的第一集合的N个分支时隙的第二组,使得所述网络连接包括M + N个分支时隙; 并且在沿着路径的每个节点的M + N个支路时隙可用于网络连接之后,增加网络连接的传输数据速率。
    • 3. 发明授权
    • Method and apparatus for mapping and de-mapping in an optical transport network
    • 在光传输网络中映射和解映射的方法和装置
    • US08948205B2
    • 2015-02-03
    • US12712675
    • 2010-02-25
    • Maarten VissersQiuyou WuXin XiaoWei Su
    • Maarten VissersQiuyou WuXin XiaoWei Su
    • H04J3/00H04J3/16
    • H04J14/08H04B10/27H04J3/1652
    • The embodiments of the present invention disclose method and apparatus for mapping and de-mapping in an optical transport network, where the mapping method includes: constructing an Optical Channel Data Tributary Unit (ODTU) according to an amount M of time slots of a High Order Optical Channel Payload Unit (HO OPU) to be occupied by a Low Order Optical Channel Data Unit (LO ODU); mapping the LO ODU to a payload area of the ODTU in a M-byte granularity; encapsulating overhead information to the overhead area of the ODTU; and multiplexing the ODTU, which has been mapped the LO ODU and encapsulated with the overhead information, to the HO OPU, so as to provide a high-efficient and universal mode for mapping the LO ODU to the HO OPU.
    • 本发明的实施例公开了一种在光传输网络中映射和解映射的方法和装置,其中所述映射方法包括:根据高阶时隙的量M来构造光信道数据支路单元(ODTU) 光通道有效负载单元(HO OPU)由低阶光通道数据单元(LO ODU)占用; 将OD ODU以M字节粒度映射到ODTU的有效负载区域; 将开销信息封装到ODTU的开销区域; 并将已经映射到LO ODU并被封装的开销信息的ODTU复用到HO OPU,以提供用于将LO ODU映射到HO OPU的高效和通用的模式。
    • 8. 发明申请
    • Delivering a short Arc lamp light for eye imaging
    • 为眼睛成像提供短弧灯
    • US20080123052A1
    • 2008-05-29
    • US11606597
    • 2006-11-29
    • Wei SuYan ZhouYeou-Yen ChengQing Chun Zhao
    • Wei SuYan ZhouYeou-Yen ChengQing Chun Zhao
    • A61B3/10
    • A61B3/0008A61B3/12
    • A light delivery technique includes optical configurations as well as the associated methods that generate a ring beam from a linear light source. In one embodiment, a remote light source module delivers illumination light to a fundus camera and/or slit lamp. In another embodiment, an arrangement combines the use of a light pipe homogenizer and a ring beam transformer for efficiently collecting light from a substantially axially linear light source, homogenizing the collected light that lacks low angle flux relative to the optical axis, and transforming the light into a ring beam with a substantially improved low angle flux distribution. In still another embodiment, light emitted from a substantially axially linear light source is directly collected by a curved surface mirror and spatially filtered into a ring beam. The ring illumination beam can be co-axially projected on a sample such as the pupil of a human eye and at the same time the light beam also has a large enough relatively uniform angular flux distribution so that a wide area on the retina of the eye can be uniformly illuminated.
    • 光输送技术包括光学配置以及从线性光源产生环形光束的相关方法。 在一个实施例中,远程光源模块将照明光传送到眼底照相机和/或裂隙灯。 在另一个实施例中,一种布置结合了光管均质器和环形光束变换器的使用,用于有效地收集来自基本轴向线性光源的光,使收集到的光相互均匀化,所述光相对于光轴缺少低角度通量,以及将光转换 成为具有基本上改进的低角度通量分布的环形梁。 在另一个实施例中,从基本轴向线性光源发射的光直接由弯曲表面镜收集,并在空间上过滤成环形光束。 环形照明光束可以同轴地投射在诸如人眼的瞳孔的样品上,并且同时光束也具有足够大的相对均匀的角度通量分布,使得眼睛的视网膜上的广泛区域 可以均匀照明。
    • 9. 发明授权
    • Signal repetition-rate and frequency-drift estimator using proportional-delayed zero-crossing techniques
    • 使用比例延迟过零技术的信号重复率和频率漂移估计器
    • US07184937B1
    • 2007-02-27
    • US11183219
    • 2005-07-14
    • Wei SuJohn A. Kosinski
    • Wei SuJohn A. Kosinski
    • G06F15/00
    • H03K5/1536G01R23/02H04L27/0014H04L2027/0046
    • Proportional-delayed zero-crossing frequency-drift estimator devices are provided. Given N-number of time samples, the current zero-crossing time estimation technique uses only two zero-crossing time samples for repetition-rate estimation. The term “zero-crossing point” refers to the point where a sinusoidal waveform varies from a positive to a negative value and crosses the zero value in the process. The proportional-delayed zero-crossing frequency-drift estimator devices employ four zero-crossing time samples by utilizing both proportional zero-crossing points for current information and delayed zero-crossing points for past information so that the noises in the time samples will be smoothed out making a less noisy estimation. The proportional-delayed zero-crossing frequency-drift estimators are composed of a hysteretic nonlinear converter, a zero-crossing time-difference counter, a group of shift registers and adders, a repetition-rate algorithm, a reciprocal operator and a means for differentiation operation. A number of different embodiments are provided, but all embodiments include a hysteretic nonlinear converter which enhances the zero-crossing features and blocks the signal random noise so that the zero-crossing point is measured more accurately.
    • 提供比例延迟的过零频率漂移估计器件。 给定N个时间样本,当前的过零时间估计技术仅使用两个过零时间样本进行重复率估计。 术语“过零点”是指正弦波形从正值到负值变化的点,并且在过程中跨过零值。 比例延迟过零频率漂移估计器件通过利用电流信息的两个比例过零点和过去信息的延迟过零点来采用四个过零时间样本,使得时间样本中的噪声将被平滑 做出较不嘈杂的估计。 比例延迟过零频率漂移估计器由滞后非线性转换器,零交叉时差计数器,一组移位寄存器和加法器组成,重复率算法,互易算子和分化手段 操作。 提供了许多不同的实施例,但是所有实施例都包括滞后非线性转换器,其增强过零特征并阻止信号随机噪声,从而更准确地测量过零点。
    • 10. 发明授权
    • Two-mean level-crossing time interval estimation method
    • 双平均电平交叉时间间隔估计方法
    • US07133791B1
    • 2006-11-07
    • US11102447
    • 2005-03-31
    • Wei Su
    • Wei Su
    • G06F15/00G01D18/00H03F1/26
    • G01R23/10
    • N-sample level-crossing estimator methods and devices are provided that extract more information from given time samples than the current two-sample approach and that are more resistant to interference from noises. The two-mean level-crossing time-interval estimation method extracts more information from given time samples than existing methods, advantageously estimates a level-crossing time interval with a limited number of time samples and is quieter than current noisy estimation techniques. The two-mean level crossing time-interval estimation method for N-sample estimation uses all N time samples by calculating the mean value of the first N/2 time samples and subtracting it by the second N/2 time sample to average out the noises in time samples. The two-mean level crossing time-interval estimation method can be implemented by using a Finite Impulse Response filter to take level-crossing time samples as inputs, take the differential level-crossing time samples as inputs, or take the N/2-step differential level-crossing time-interval as an input. An addition only one-step differential level-crossing time-interval estimator device and a one-step differential level-crossing time-interval estimator device are also provided.
    • 提供了N个采样级别交叉估计器方法和装置,其从给定的时间样本中提取比目前的两个样本方法更多的信息,并且更能抵抗来自噪声的干扰。 双平均电平交叉时间间隔估计方法从现有方法中提取给定时间样本的更多信息,有利地估计具有有限数量的时间样本的电平交叉时间间隔,并且比当前噪声估计技术更安静。 用于N样本估计的两平均电平交叉时间间隔估计方法通过计算第一N / 2个时间采样的平均值并且通过第二N / 2个时间采样来减去噪声来使用所有N个时间采样 在时间样本。 可以通过使用有限脉冲响应滤波器来实现两平均电平交叉时间间隔估计方法,以将电平交叉时间采样作为输入,将差分电平交叉时间采样作为输入,或采取N / 2步 差分电平交叉时间间隔作为输入。 还提供了仅一步差分电平交叉时间间隔估计器装置和一步差分电平交叉时间间隔估计器装置。