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    • 8. 发明授权
    • Mobile terminal device and positioning method
    • 移动终端设备及定位方法
    • US09026135B2
    • 2015-05-05
    • US13641019
    • 2011-04-11
    • Makoto Takahashi
    • Makoto Takahashi
    • H04W4/02H04W4/04H04W24/02H04W64/00G01S19/48G01S19/34G01S19/25
    • G01S19/34G01S19/25
    • There are provided a mobile terminal device and a positioning method, in which power saving is enabled. When an environment estimating unit determines that the mobile terminal device is currently located in an indoor environment, an autonomous GPS positioning regulating unit thereof regulates implementation of an autonomous positioning operation by an autonomous GPS positioning unit to enable the suppression of wasteful power consumption caused by the implementation of the autonomous GPS positioning operation that has no possibility of being successful at a current time. In the meanwhile, an assist information acquiring processing unit of an A-GPS positioning unit is made to perform an assist information acquiring process that is a former process of the A-GPS positioning operation. When the location accuracy of outline location information acquired has a good result of a level 3 or higher, the outline location information is provided as a positioning result.
    • 提供了能够省电的移动终端装置和定位方法。 当环境估计单元确定移动终端设备当前位于室内环境中时,自主GPS定位调节单元通过自主GPS定位单元来调节自主定位操作的实现,以便能够抑制由 实施在当前时间无法成功的自主GPS定位操作。 同时,使A-GPS定位单元的辅助信息获取处理单元执行作为A-GPS定位操作的前一处理的辅助信息获取处理。 当获取的轮廓位置信息的位置精度具有3级或更高级别的良好结果时,轮廓位置信息被提供作为定位结果。
    • 9. 发明授权
    • Mobile terminal, system and method
    • 移动终端,系统和方法
    • US08965684B2
    • 2015-02-24
    • US13880988
    • 2011-11-28
    • Makoto Takahashi
    • Makoto Takahashi
    • G01C21/00G01C21/12G01C21/30G01S19/40G01S19/48G08G1/005G08G1/0968G01C21/16G01C21/20
    • G01C21/00G01C21/16G01C21/206G01C21/30G01S19/40G01S19/48G08G1/005G08G1/096827
    • The present invention pertains to a mobile terminal having an autonomous navigation function, said mobile terminal comprising: a map application which performs map matching on the current position of the mobile terminal on a route to a destination; a measurement unit which detects the movement of the mobile terminal, and which provides sensor information representing the number of steps and travel direction; a position calculation unit which determines the current position of the mobile terminal; a travel direction correction unit which, when it has been estimated that a user is walking straight by determining whether the amount of change of the user's travel direction is within a prescribed range in a prescribed period, corrects the user's travel direction according to the orientation of the straight parts when the user is walking straight on the route; and a current position correction unit which, on the basis of the corrected travel direction and the starting time and starting point when walking straight, recalculates the current position of the mobile terminal from the starting point, and corrects the current position of the mobile terminal according to the recalculated current position.
    • 本发明涉及一种具有自主导航功能的移动终端,所述移动终端包括:地图应用,其在到达目的地的路由上对移动终端的当前位置执行地图匹配; 测量单元,其检测移动终端的移动,并且提供表示步数和行进方向的传感器信息; 位置计算单元,确定移动终端的当前位置; 行驶方向校正单元,通过判断用户的行驶方向的变化量是否在规定期间内在规定范围内的情况下,当估计用户正在行走时,根据用户的行进方向根据 当用户在路线上直走时,直线部分; 以及当前位置校正单元,其基于校正的行进方向和行走时的开始时间和起点,从起点重新计算移动终端的当前位置,并根据移动终端的当前位置进行修正 到重新计算的当前位置。