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    • 51. 发明申请
    • Antenna system and method for configuring a radiating pattern
    • 用于配置辐射图案的天线系统和方法
    • US20070149250A1
    • 2007-06-28
    • US10575354
    • 2003-10-23
    • Maurizio CrozzoliDaniele DiscoPaolo Gianola
    • Maurizio CrozzoliDaniele DiscoPaolo Gianola
    • H04B1/00H04M1/00
    • H01Q3/26H01Q3/2605H01Q3/2676
    • The radiation characteristics of an antenna are made configurable including in the antenna a plurality of radiating elements and associating to each of said radiating elements a respective chain for processing the signal in transmission and/or reception with a module for weighting digital signals capable of applying to a digital signal at least a respective weighting coefficient and an antenna conversion set interposed between the module for weighting digital signals and one of the radiating elements of the antenna. The antenna conversion set operates on a digital signal on the side of the signal weighting module and on an analogue signal distributed on the processing chains associated to each radiating element of the antenna propagates (in transmission and/or reception), while respective weight coefficients are applied to said digital signal weighting modules. The weighting coefficients determine the radiation diagram of the antenna.
    • 天线的辐射特性是可配置的,其包括在天线中多个辐射元件,并且将每个所述辐射元件相关联的链条,用于处理传输和/或接收中的信号,用于对能够应用于 数字信号至少包括相应的加权系数和插入在用于加权数字信号的模块和天线的辐射元件之一之间的天线转换装置。 天线转换装置在信号加权模块侧的数字信号和分布在与天线的每个辐射元件相关联的处理链上的模拟信号传播(在传输和/或接收中),而相应的权重系数是 应用于所述数字信号加权模块。 加权系数确定天线的辐射图。
    • 53. 发明申请
    • Dual mode filter based on smoothed contour resonators
    • 基于平滑轮廓谐振器的双模式滤波器
    • US20070035358A1
    • 2007-02-15
    • US10573891
    • 2003-09-30
    • Luciano AccatinoGiorgio Bertin
    • Luciano AccatinoGiorgio Bertin
    • H01P1/203H01B12/02
    • H01P1/20381
    • A planar filter has a planar resonator including a conductive region having smoothed contours and supporting a first resonating mode propagating along a first conductive path and a second resonating mode propagating along a second conductive path perpendicular to the first conductive path. The planar filter also has a conductor-free region made in the conductive region and having smoothed contours. The conductor-free region is disposed along a region axis forming an angle with respect to the first conductive path. The conductor-free region causes a perturbation of the symmetry of the planar resonator resulting in a frequency shift of the first and second resonating mode and their mutual coupling.
    • 平面滤波器具有平面谐振器,其包括具有平滑轮廓的导电区域,并且支持沿着第一导电路径传播的第一谐振模式和沿着垂直于第一导电路径的第二导电路径传播的第二谐振模式。 平面滤波器还具有在导电区域中制成的具有平滑轮廓的无导体区域。 无导体区域沿着相对于第一导电路径形成角度的区域轴线设置。 无导体区域引起平面谐振器的对称性的扰动,导致第一和第二谐振模式及其相互耦合的频移。
    • 54. 发明授权
    • Multiple stage Raman optical amplifier
    • 多级拉曼光放大器
    • US07145716B2
    • 2006-12-05
    • US10538846
    • 2002-12-19
    • Marco De DonnoAlain Repingon
    • Marco De DonnoAlain Repingon
    • H01S3/00
    • H01S3/06758H01S3/005H01S3/0064H01S3/06766H01S3/0677H01S3/094096H01S3/09415H01S3/1301H01S3/1305H01S3/302H01S2301/04H04B10/2916H04B2210/003
    • A multiple stage Raman amplifier includes an interstage wavelength-selective pump combiner. Wavelength-selection characteristics are such that the pump combiner substantially blocks the passage of the pump signal of the first stage to the second stage and/or vice versa while allowing the passage of the transmission signal from the first stage to the second stage. The pump combiner substantially blocks different portions of the wavelength spectrum of the pump radiation which is fed into the pump combiner from different ports. The pump combiner preferably includes thin-film filters. The pump combiner has the multiple function of coupling the pump signal of the first (or second) pump source and of isolating from one another the pump signals of the two amplification stages. This allows the reduction of the number of passive components present in a multistage optical amplifier, which in turn leads to a decrease of the overall insertion loss in the amplifier and to shorter assembly processing.
    • 多级拉曼放大器包括级间波长选择泵组合器。 波长选择特性使得泵组合器基本上阻止第一级的泵浦信号到第二级的传递,和/或反之亦然,同时允许传输信号从第一级通过到第二级。 泵组合器基本上阻挡从不同端口进入泵组合器的泵浦辐射的波长谱的不同部分。 泵组合器优选地包括薄膜过滤器。 泵组合器具有耦合第一(或第二)泵浦源的泵浦信号并且彼此隔离两个放大级的泵浦信号的多重功能。 这允许减少存在于多级光放大器中的无源部件的数量,这又导致放大器中的整体插入损耗的降低以及更短的组装处理。
    • 58. 发明授权
    • Method for setting the operation of a routing node of an asynchronous wireless communication network, network node and communication network implementing the method
    • 用于设置异步无线通信网络的路由节点的操作的方法,网络节点和实现该方法的通信网络
    • US08243620B2
    • 2012-08-14
    • US13125520
    • 2008-10-22
    • Sinem Coleri ErgenCarlo FischioneClaudio Borean
    • Sinem Coleri ErgenCarlo FischioneClaudio Borean
    • G01R31/08
    • H04W52/0274Y02D70/144Y02D70/162Y02D70/22Y02D70/25
    • To reduce energy consumption in a duty-cycled asynchronous wireless communication network values of operation parameters, i.e. duration of the awake interval and duration of the sleep interval, of routing nodes of the network are determined and set. The network is partitioned into clusters so that each cluster comprises one cluster-head node. The energy consumption of a cluster is a function of the probability of busy channel when nodes of the cluster attempt transmission, the probability of communication collision during transmission, the duration of the awake interval and the duration of the sleep interval of its cluster-head node. Reduction of the energy consumption is carried out under predetermined values of the probability of busy channel and of the probability of communication collision and under predetermined constraint for the probability of successful transfer of data packets within the cluster and for the average delay of transfer of data packets within the cluster.
    • 为了降低占空比异步无线通信网络中的能量消耗,确定和设置网络的路由节点的操作参数值,即唤醒间隔的持续时间和睡眠间隔的持续时间。 将网络划分成群集,使得每个群集包括一个群集头节点。 集群的能量消耗是群集节点尝试传输时繁忙信道的概率,传输期间通信冲突的概率,唤醒间隔的持续时间和其簇头节点的睡眠间隔的持续时间的函数 。 能量消耗的减少是在忙信道概率和通信冲突概率的预定值下执行的,并且在预定的约束条件下,成功传送簇内的数据分组的概率以及数据分组传输的平均延迟 在集群内。
    • 59. 发明授权
    • Delay element with a perturber displaceable between first and second microstrip circuits
    • 具有可在第一和第二微带电路之间移位的扰流器的延迟元件
    • US08072296B2
    • 2011-12-06
    • US12312845
    • 2006-11-30
    • Giuseppe GrassanoVincenzo BoffaFabrizio GattiLuca RisiAlfredo RuscittoPaolo Semenzato
    • Giuseppe GrassanoVincenzo BoffaFabrizio GattiLuca RisiAlfredo RuscittoPaolo Semenzato
    • H01P1/18
    • H01P5/184H01P9/00
    • A differential delay element for use, e.g., in selectively delaying RF signals in telecommunication systems includes a first microstrip circuit and a second microstrip circuit arranged side-by-side in a facing relationship. The first microstrip circuit defines a first delayed travel path for a first signal from a first input port to a first output port and the second microstrip circuit defines a second delayed travel path for a second signal from a second input port to a second output port. A perturber is arranged between the first and second microstrip circuits, displaceable toward and away from the first and second microstrip circuits, so that when the distance of the perturber to one of the microstrip circuits increases, the distance of the perturber to the other of the microstrip circuits decreases and viceversa. The position of the perturber between the first and second microstrip circuits defines the differential delay, namely the difference (Δτ=τ1−τ2) between the times (τ1,τ2) experienced by the two signals in travelling their travel paths through the delay device.
    • 用于例如在电信系统中选择性地延迟RF信号的差分延迟元件包括以面对关系并排布置的第一微带电路和第二微带电路。 第一微带电路定义用于从第一输入端口到第一输出端口的第一信号的第一延迟行进路径,并且第二微带电路为从第二输入端口到第二输出端口的第二信号定义第二延迟行进路径。 扰流器布置在第一和第二微带电路之间,可朝向和远离第一和第二微带电路移动,使得当扰流器与微带电流之一的距离增加时,扰流器与另一个微带电路之间的距离 微带电路减少,反之亦然。 第一和第二微带电路之间的扰频器的位置定义了差分延迟,即两个信号经过延迟行进路径经历的时间(τ1,τ2)之间的差(&Dgr;τ=τ1-τ2) 设备。