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    • 31. 发明授权
    • System and method for locating network nodes
    • 网络节点定位系统和方法
    • US08903653B2
    • 2014-12-02
    • US12813391
    • 2010-06-10
    • Craig Stephen Etchegoyen
    • Craig Stephen Etchegoyen
    • G01S19/00G01S5/02H04L29/06G01S5/06H04W64/00
    • G01S5/0221G01S5/0263G01S5/06H04L63/107H04L63/126H04W64/00
    • As system for locating a network node may be implemented as a static network device for determining location of a mobile node. The system includes a transceiver for receiving a device identifier over a public network from the mobile node, the device identifier based on a user-configurable parameter and a non-user-configurable parameter of the mobile node, and a processor coupled to the transceiver and to memory containing executable code. When executed, the code effects method steps for: accessing, in response to the transceiver receiving the device identifier, a database of authorized device identifiers corresponding to known mobile nodes, establishing, in response to the device identifier matching one of the authorized device identifiers, a secure private network with the mobile node, and communicating with two additional static network devices, the three static network devices implementing triangulation to determine a location of the mobile node.
    • 由于用于定位网络节点的系统可以被实现为用于确定移动节点的位置的静态网络设备。 该系统包括收发器,用于通过公共网络从移动节点接收设备标识符,基于用户可配置参数和移动节点的非用户可配置参数的设备标识符,以及耦合到收发器的处理器和 到包含可执行代码的内存。 代码效果方法步骤为:响应于收发设备标识符的收发器,访问对应于已知移动节点的授权设备标识符的数据库,响应于与所授权的设备标识符之一匹配的设备标识符, 与移动节点的安全专用网络,以及与两个附加的静态网络设备通信,三个静态网络设备实现三角测量以确定移动节点的位置。
    • 35. 发明申请
    • Ground Location Inertial Navigation Geopositioning System (Groundlings)
    • 地面定位惯性导航地理定位系统
    • US20140002302A1
    • 2014-01-02
    • US13536809
    • 2012-06-28
    • Ian S. Robinson
    • Ian S. Robinson
    • G01S19/00
    • G01S5/12G01S11/08G01S19/02H04B7/1855
    • A ground location inertial navigation geopositioning system (GROUNDLINGS) end receiver (GER) can include a GROUNDLINGS module. The GROUNDLINGS module can be configured to generate a GER position using a time of flight (TOF) of a downlink pseudo-random noise (PRN) signal and a Doppler shift of at least one of the downlink PRN signal and a downlink tone signal on a common frequency carrier. The downlink PRN signal sent from a GROUNDLINGS satellite (GRS) to the GER can include a copy of an uplink PRN signal from a ground located transceiver (GLT) to the GRS. When used, the downlink tone signal can be received from the GRS.
    • 地面定位惯性导航定位系统(GROUNDLINGS)终端接收机(GER)可包括GROUNDLINGS模块。 GROUNDLINGS模块可以被配置为使用下行链路伪随机噪声(PRN)信号的飞行时间(TOF)和在下行链路PRN信号和下行链路音调信号中的至少一个的多普勒频移来生成GER位置 共频载波。 从GROUNDLINGS卫星(GRS)发送到GER的下行链路PRN信号可以包括从地面收发器(GLT)到GRS的上行链路PRN信号的副本。 当使用时,可以从GRS接收下行链路音调信号。
    • 37. 发明授权
    • Location positioning apparatus, location positioning method, and location positioning program
    • 位置定位装置,位置定位方法和位置定位程序
    • US08504076B2
    • 2013-08-06
    • US13393756
    • 2010-08-24
    • Makoto Takahashi
    • Makoto Takahashi
    • H04W24/00G01C21/00G01S19/00
    • G01S19/34G01C21/20G01S19/42
    • A location positioning apparatus, a location positioning method, and a location positioning program are provided for shortening the wait time necessary for positioning, by changing the timeout period in the positioning measurement according to the accuracy of the general location, when the current location cannot be positioned. A general location error determining unit (22e) determines an error radius of the general location, a timeout period setting unit (22g) sets timeout periods T1 to T3 and Tmax in the positioning measurement, according to the error radius determined by the general location error determining unit (22e). A location positioning process timeout instructing unit (22h) time outs the location positioning process being performed by a location positioning processing unit (22d), when a number of visible satellites S is smaller than a prescribed number at each of the timeout periods T1 to T3, or when the timeout period Tmax elapses.
    • 提供位置定位装置,位置定位方法和位置定位程序,用于通过根据一般位置的精度改变定位测量中的超时时间来缩短定位所需的等待时间,当当前位置不能 定位。 一般位置错误确定单元(22e)确定一般位置的错误半径,超时周期设置单元(22g)根据由一般位置错误确定的误差半径来设置定位测量中的超时周期T1至T3和Tmax 确定单元(22e)。 当位置定位处理超时指示单元(22h)在位置定位处理单元(22d)进行位置定位处理超时时,当多个可见卫星S在每个超时时段T1〜T3时小于规定数量时 ,或者当超时时间Tmax过去时。
    • 39. 发明申请
    • LOCATION CALCULATING METHOD AND LOCATION CALCULATING DEVICE
    • 位置计算方法和位置计算设备
    • US20110248885A1
    • 2011-10-13
    • US13081376
    • 2011-04-06
    • Naganobu Aoki
    • Naganobu Aoki
    • G01S19/42G01S19/00
    • G01S19/47G01C21/165G01S13/34G01S19/14G01S19/49
    • A location calculating method includes acquiring measurement information by receiving satellite signals from positioning satellites and storing the acquired measurement information in a storage unit in association with acquisition time, calculating movement information that includes a movement direction and a movement distance by using a detection result of a sensor unit that at least includes an acceleration sensor and storing the calculated movement information in the storage unit in association with calculation time, and calculating a location at desired time by using at least the measurement information of which the acquisition time satisfies a predetermined proximity time condition and the movement information of which the calculation time is between the acquisition time of the measurement information and the given desired time.
    • 位置计算方法包括:通过从定位卫星接收卫星信号并将获取的测量信息与获取时间相关联地存储在存储单元中来获取测量信息,通过使用检测结果来计算包括移动方向和移动距离的移动信息 传感器单元,其至少包括加速度传感器,并将计算出的移动信息与计算时间相关联地存储在存储单元中,并且通过至少使用获取时间满足预定接近时间条件的测量信息来计算期望时间的位置 以及计算时间在测量信息的获取时间与给定的期望时间之间的运动信息。
    • 40. 发明申请
    • SPACECRAFT POSITION ESTIMATING SYSTEM AND METHOD
    • SPACECRAFT位置估计系统和方法
    • US20110221631A1
    • 2011-09-15
    • US13055163
    • 2009-07-23
    • Marc ThillGuy HarlesMarkus GrossJos WoutersGeorges Krier
    • Marc ThillGuy HarlesMarkus GrossJos WoutersGeorges Krier
    • G01S19/00
    • G01S5/06G01S5/0081G01S5/0221
    • A system for estimating a spacecraft (6) position is disclosed. It includes receiving stations (4) for receiving signals transmitted from the spacecraft (6) and a processing station (2) for receiving data from the receiving stations (4). Each receiving station (4) records, during a recording window (8), the signals transmitted from the spacecraft (6) and transmits, to the processing station (2), data representing the recorded signals during the recording window (8). The recording windows (8) associated with each of the receiving stations (4) are offset and/or of different size with respect to each other. The processing station (2) correlates the recorded signals to estimate the distance difference between the spacecraft (6) and each of a plurality of receiving stations and to estimate the spacecraft (6) position. A method, a receiving station (4), a processing station (2) and a computer program are also disclosed.
    • 公开了一种用于估计航天器(6)位置的系统。 它包括用于接收从航天器(6)发送的信号的接收站(4)和用于从接收站(4)接收数据的处理站(2)。 每个接收站(4)在记录窗口(8)期间记录从航天器(6)发送的信号,并且在记录窗(8)期间将表示记录信号的数据发送到处理站(2)。 与每个接收站(4)相关联的记录窗(8)相对于彼此偏移和/或不同大小。 处理站(2)将记录的信号相关联以估计航天器(6)与多个接收站中的每一个之间的距离差并估计航天器(6)的位置。 还公开了一种方法,接收站(4),处理站(2)和计算机程序。