利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.025 秒)

    Mobile object positioning system
    1.
    发明授权
    Mobile object positioning system 失效
    移动对象定位系统

    公开(公告)号：US5598166A

    公开(公告)日：1997-01-28

    申请号：US626722

    申请日：1996-04-01

    申请人： Seiji Ishikawa ,  Yoshihisa Suwa ,  Takeshi Ito ,  Tomio Yasuda

    发明人： Seiji Ishikawa ,  Yoshihisa Suwa ,  Takeshi Ito ,  Tomio Yasuda

    IPC分类号： G01C21/00 ,  G01S1/00 ,  G01S19/14 ,  G01S19/49 ,  G08G1/0969 ,  H04B7/185 ,  G01S5/02

    CPC分类号： G01S19/49

    摘要： A mobile object positioning system includes a GPS signal receiver for receiving positioning radio signals from a plurality of satellites, calculating a present location of a mobile object in accordance with the positioning radio signal and outputting present location data at each of a plurality of calculating times. An electronic controller is provided for updating the present location data at each calculating time, storing the present location data, estimating an error of the present location data in accordance with the positioning radio signals and outputting error data at each estimating time. A vehicle velocity sensor is disposed on the mobile object for detecting the velocity of the moving mobile object and outputting a mobile velocity signal. The electronic controller determines a stationary condition of the mobile object in accordance with the mobile velocity signal and prohibits updating the present location data when a stationary condition of the mobile object is determined and a value of the error data at a present estimating time is larger than that at a last previous estimating time.

    摘要翻译： 移动物体定位系统包括：GPS信号接收器，用于从多个卫星接收定位无线电信号，根据定位无线电信号计算移动物体的当前位置，并在多个计算时间中的每一个处输出当前位置数据。 提供电子控制器，用于在每个计算时间更新当前位置数据，存储当前位置数据，根据定位无线电信号估计当前位置数据的错误，并在每个估计时间输出错误数据。 车辆速度传感器设置在移动物体上，用于检测移动移动物体的速度并输出移动速度信号。 电子控制器根据移动速度信号确定移动对象的静止状态，并且当确定移动对象的静止状态并且当前估计时间的误差数据的值大于当前位置数据时，禁止更新当前位置数据 在最后的估计时间。

    Positioning system utilizing GPS satellites
    2.
    发明授权
    Positioning system utilizing GPS satellites 失效
    GPS卫星定位系统

    公开(公告)号：US5931890A

    公开(公告)日：1999-08-03

    申请号：US808955

    申请日：1997-02-19

    申请人： Yoshihisa Suwa ,  Seiji Ishikawa ,  Tomohiro Yamamoto ,  Takeshi Ito ,  Tomio Yasuda

    发明人： Yoshihisa Suwa ,  Seiji Ishikawa ,  Tomohiro Yamamoto ,  Takeshi Ito ,  Tomio Yasuda

    IPC分类号： G01C21/00 ,  G01S1/00 ,  G01S19/22 ,  G01S19/28 ,  G01S19/49 ,  G06F165/00

    CPC分类号： G01S19/42 ,  G01S19/22 ,  G01S19/28

    摘要： A positioning system is disclosed in which a rate of change .DELTA..DELTA.f in a Doppler shift .DELTA.f of the radio wave transmitted from a GPS satellite is detected in order to determine whether or not an extraordinary radio wave as caused by a multi-path or the like is being received, and a GPS satellite from which an extraordinary radio wave is received is excluded from a group of GPS satellites which are utilized in a positioning calculation. A difference .DELTA.f between a signal frequency f0 transmitted from a GPS satellite and a signal frequency fR receiver is calculated, and a rate of change .DELTA..DELTA.f in the difference .DELTA.f is also calculated. The position of a receiver is calculated on the basis of information transmitted from a plurality of GPS satellites for which the rate of change .DELTA..DELTA.f is equal to or less than a first threshold value, or .DELTA..DELTA.f.ltoreq.30 Hz/s, and the azimuth of a traveling direction of the receiver is calculated on the basis of information transmitted from a plurality of GPS satellites for which the rate of change .DELTA..DELTA.f is equal to or less than a second smaller threshold value or .DELTA..DELTA.f.ltoreq.15 Hz/s.

    摘要翻译： 公开了一种定位系统，其中检测到从GPS卫星发射的无线电波的多普勒频移DELTA f中的变化率DELTA DELTA f，以便确定由多路径引起的非凡无线电波 正在接收，并且从定位计算中使用的一组GPS卫星中排除从其接收非正常无线电波的GPS卫星。 计算从GPS卫星发送的信号频率f0和信号频率fR接收机之间的差ΔTA，并且还计算差ΔTATA中的变化率DELTA DELTA f。 基于从变化率DELTA DELTA f等于或小于第一阈值或DELTA DELTA f 30Hz / s的多个GPS卫星发送的信息来计算接收机的位置 并且基于从其变化率DELTA DELTA f等于或小于第二较小阈值或DELTA DELTA f'的多个GPS卫星发送的信息来计算接收机的行进方向的方位角， / = 15Hz / s。

    Transparent service adaptation in heterogeneous environments
    4.
    发明授权
    Transparent service adaptation in heterogeneous environments 有权
    异构环境中的透明服务适配

    公开(公告)号：US08527611B2

    公开(公告)日：2013-09-03

    申请号：US11135169

    申请日：2005-05-23

    申请人： Jasmine Chennikara-Varghese ,  Harshad Tanna ,  Wai Chen ,  Onur Altintas ,  Yoshihisa Suwa ,  Shengwei Cai

    发明人： Jasmine Chennikara-Varghese ,  Harshad Tanna ,  Wai Chen ,  Onur Altintas ,  Yoshihisa Suwa ,  Shengwei Cai

    IPC分类号： G06F15/177

    CPC分类号： H04W8/22 ,  H04L12/5692 ,  H04L67/1095 ,  H04L67/12 ,  H04L67/303 ,  H04W8/18 ,  H04W8/20 ,  H04W28/06 ,  H04W36/00 ,  H04W80/00 ,  H04W88/16

    摘要： A method of tailoring data streams transmitted to networked user devices is disclosed in which environment information associated with each device is stored at an agent located on those devices. This environment information may include information related to the hardware, interface and application capabilities of the particular device. In another embodiment, this environment information is transmitted and stored at an agent at a local network gateway. And in another embodiment, the environment information is then stored at a mirror agent located in a backbone network of a service provider. By referring to this environment information, a service provider can tailor the transmission of data streams, such as multimedia streams, to a device based on the capabilities of the device and the associated network.

    摘要翻译： 公开了一种调整发送到网络用户设备的数据流的方法，其中与每个设备相关联的环境信息被存储在位于那些设备上的代理处。 该环境信息可以包括与特定设备的硬件，接口和应用能力相关的信息。 在另一个实施例中，该环境信息被传送并存储在本地网络网关的代理处。 而在另一个实施例中，环境信息然后被存储在位于服务提供商的骨干网络中的镜像代理。 通过参考该环境信息，服务提供商可以基于设备和相关网络的能力，将数据流（例如多媒体流）的传输定制到设备。