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    • 1. 发明公开
    • 무선 랜에서 기수각 결정을 위한 방법 및 장치
    • 用于确定无线局域网中的头角的方法和装置
    • KR1020130024398A
    • 2013-03-08
    • KR1020110087833
    • 2011-08-31
    • 삼성전자주식회사서울대학교산학협력단
    • 박경하박준구박성민박찬국홍현수조현훈
    • G01C22/00G01C1/00G01S19/26H04W64/00
    • G01C21/12G01S5/0247H04W64/006
    • PURPOSE: A method and a device for determining a heading angle of a wireless LAN are provided to prevent the accumulation of PDR position errors by using a heading angle detecting algorithm based on a wireless LAN even in a GPS shadow region and to accurately determine the information of a user position. CONSTITUTION: A device for determining a heading angle of a wireless LAN comprises modems(710,715), a control unit(720), and a memory unit(730). The modems perform communication with other nods. The control unit test whether the rotation of a user is sensed or not by using the modems. A moving direction vector is obtained when sensing the rotation of the user, and the heading angle is obtained by using the obtained moving direction vector. The memory unit records signal intensity according to distances to reference points and signal intensity according to a distance to an AP. [Reference numerals] (710) Modem 1; (715) Modem 2; (720) Control unit; (730) Memory unit; (740) Positioning unit
    • 目的:提供一种用于确定无线LAN的航向角的方法和装置,以便即使在GPS影像区域中也使用基于无线LAN的方位角检测算法来防止PDR位置误差的累积,并且准确地确定信息 的用户位置。 构成:用于确定无线LAN的航向角的装置包括调制解调器(710,715),控制单元(720)和存储单元(730)。 调制解调器与其他点头进行通信。 控制单元通过使用调制解调器来测试是否感测到用户的旋转。 当感测到用户的旋转时获得移动方向矢量,并且通过使用获得的移动方向矢量获得方位角。 存储单元根据到AP的距离记录与参考点的距离和信号强度的信号强度。 (附图标记)(710)调制解调器1; (715)调制解调器2; (720)控制单元; (730)存储单元; (740)定位单元
    • 2. 发明公开
    • 추측 항법을 이용한 보행자용 네비게이션의 지도 정합 장치및 방법
    • 使用死亡记录的PEDESTRIAN导航系统的地图匹配的装置和方法
    • KR1020090087300A
    • 2009-08-17
    • KR1020080012664
    • 2008-02-12
    • 삼성전자주식회사서울대학교산학협력단
    • 류희섭최상언유호준김현욱박찬국신승혁
    • G01C21/00G01C22/00
    • G01C21/32G01C21/12G01C21/3667G01S19/14G08G1/0969
    • A map matching apparatus of the navigation for pedestrians using dead reckoning and a method thereof are provided to minimize accumulative influence of error caused by the dead reckoning by matching map by correcting the matched location to a new initial position. A map matching apparatus(100) of the navigation for pedestrians using dead reckoning comprises a dead reckoning part(110), a current position estimating part(120), a link selection part(130), a matching part(140). The dead reckoning part estimates traveling direction and relative translation distance from initial position. The current position estimating part estimates the current position by reflecting the traveling direction and the relative translation distance. The link selection part selects the matched link from a map including the current position. The matching part indicates the current position on the link by matching the current position. The map matching device matches the map by setting up the location matched on the link at the new initial position.
    • 提供使用航位推算的行人导航的地图匹配装置及其方法,以通过将匹配的位置校正到新的初始位置来最小化通过匹配地图的航位推算造成的误差的累积影响。 用于使用航位推算的行人的导航的地图匹配装置(100)包括航位推算部(110),当前位置估计部(120),链接选择部(130),匹配部(140)。 航位推算部分估计距离​​初始位置的行驶方向和相对平移距离。 当前位置估计部通过反映行进方向和相对平移距离来估计当前位置。 链路选择部分从包括当前位置的映射中选择匹配的链路。 匹配部分通过匹配当前位置来指示链接上的当前位置。 地图匹配设备通过在新的初始位置设置在链接上匹配的位置来匹配地图。
    • 5. 发明公开
    • 휴대용 단말기를 이용한 보폭 추정을 위한 보행 상태 추정 장치 및 방법
    • 使用便携式终端估计步长估计的波形状态的装置和方法
    • KR1020120001925A
    • 2012-01-05
    • KR1020100062557
    • 2010-06-30
    • 삼성전자주식회사서울대학교산학협력단
    • 정영근홍현수이재면박찬국이민수신승혁
    • G01C22/00H04W88/02
    • G01C22/006
    • PURPOSE: A waking state estimating apparatus and method for estimation of step length using a portable terminal are provided to improve the accuracy of step length estimation in a portable terminal. CONSTITUTION: A waking state estimating method for estimation of step length using a portable terminal comprises a step(505) of setting an observation row using estimated temporary step length, acceleration distribution, and step frequency, a step of creating an observation probability vector, which includes probabilities according to walking state based on the observation row, a step of calculating the final probabilities according to walking state by multiplying the observation probability vector by one or more of state transition probability vectors, a step(507) of determining a walking state having the maximum final probability as the final walking state, and a step(509) of estimating the temporary step length using integral parameters.
    • 目的:提供一种用于使用便携式终端估计步长的唤醒状态估计装置和方法,以提高便携式终端中的步长估计的精度。 构成:使用便携式终端来估计步长的醒状状态估计方法包括使用估计的临时步长,加速度分布和步进频率设定观察行的步骤(505),创建观察概率向量的步骤,其中 包括根据观察行的行走状态的概率,通过将观察概率向量乘以一个或多个状态转移概率向量,根据步行状态计算最终概率的步骤,确定具有 作为最终步行状态的最大最终概率,以及使用积分参数估计临时步长的步骤(509)。
    • 6. 发明公开
    • 항법 알고리즘을 이용한 위치 정보 검출 장치 및 방법
    • 使用导航算法检测位置信息的装置和方法
    • KR1020120080489A
    • 2012-07-17
    • KR1020110001990
    • 2011-01-07
    • 삼성전자주식회사서울대학교산학협력단
    • 박경하박찬국홍현수박성민신승혁
    • G01S19/47G01C21/00H04W64/00
    • G01C21/00G01S19/47G01C21/26G01S19/25G01S19/31G01S19/41G01S19/42G08G1/0969H04W64/00
    • PURPOSE: An apparatus and method for detecting location information using a navigation algorithm like radio navigation and walking navigation are provided to accurately identify the location information of a user even in an environment in which a car navigation system is unable to provide the location information of the user. CONSTITUTION: An apparatus for detecting location information comprises an UI(User Interface), a GPS(Global Positioning System) receiving unit(103), and a navigation algorithm control unit. The UI interfaces with a user. The GPS receiving unit searches around a GPS satellite and receives pseudo range information from at least one of searched GPS satellites. The navigation algorithm control unit calculates the displacement of a pedestrian terminal based on detected steps of a pedestrian and corrects the displacement of the pedestrian terminal calculated by using the received pseudo range information. The navigation algorithm control unit measures the location of the pedestrian terminal by using a corrected value.
    • 目的:提供一种利用诸如无线电导航和步行导航之类的导航算法来检测位置信息的装置和方法,以便即使在汽车导航系统不能提供该位置信息的位置信息的环境中也能准确地识别用户的位置信息 用户。 构成:用于检测位置信息的装置包括UI(用户接口),GPS(全球定位系统)接收单元(103)和导航算法控制单元。 UI与用户界面。 GPS接收单元在GPS卫星周围搜索,并从搜索到的GPS卫星中的至少一个接收伪距信息。 导航算法控制单元基于行人的检测步骤来计算行人终端的位移,并且校正通过使用接收的伪距信息而计算出的行人天线的位移。 导航算法控制单元使用校正值来测量行人天线的位置。
    • 9. 发明公开
    • 가속도 센서를 이용한 자세 추정 장치 및 방법
    • 使用加速度传感器的位置计算装置和方法
    • KR1020120121595A
    • 2012-11-06
    • KR1020110039478
    • 2011-04-27
    • 삼성전자주식회사서울대학교산학협력단
    • 이형욱이보람김상현방원철강창호강철우박찬국
    • G05D1/08G01P15/00G01C19/00G01V7/00
    • G01C21/16G01P15/00G01P21/00
    • PURPOSE: A position estimation device and method using an acceleration sensor are provided to calculate gravity acceleration without a rotary motion component by using three shaft angular speed measured by a gyro sensor and three shaft acceleration measured by acceleration sensors. CONSTITUTION: First and second acceleration sensors measure three shaft acceleration. A gyro sensor measures three shaft angular speed of a position estimation device. A magnetic sensor detects an azimuth of the position estimation device. A sensor signal processor converts analog sensor signals to a sensor signal for digital calculation. [Reference numerals] (110) Controller; (120) Memory unit; (132) Display unit; (134) Touch sensing unit; (136) Pressurization sensing unit; (140) Interface unit
    • 目的:提供使用加速度传感器的位置估计装置和方法,通过使用由陀螺仪传感器测量的三轴角速度和由加速度传感器测量的三轴加速度来计算不具有旋转运动分量的重力加速度。 构成:第一和第二加速度传感器测量三轴加速度。 陀螺传感器测量位置估计装置的三轴角速度。 磁传感器检测位置估计装置的方位角。 传感器信号处理器将模拟传感器信号转换为传感器信号进行数字计算。 (附图标记)(110)控制器; (120)存储单元; (132)显示单元; (134)触摸感应单元; (136)加压检测单元; (140)接口单元