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    • 53. 发明专利
    • Timekeeping device and satellite signal reception method for the same
    • 时间设备和卫星信号接收方法
    • JP2009150691A
    • 2009-07-09
    • JP2007327093
    • 2007-12-19
    • Seiko Epson Corpセイコーエプソン株式会社
    • MATSUZAKI ATSUSHI
    • G01S5/14G01S19/14G01S19/28G01S19/32G01S19/34G04G5/00G04R20/02
    • PROBLEM TO BE SOLVED: To provide a timekeeping device capable of receiving satellite signals in a short time, reducing the power consumption, reducing the effect of the circumstances when receiving the signals, and increasing the probability of successful receipt. SOLUTION: A GPS wristwatch comprises a receiving part for receiving satellite signals by acquiring a GPS satellite, a time information generating part for generating time information according to the received satellite signals, and a reception control part 50. The reception control part 50 comprises: a satellite acquisition control part 51 for executing a process for acquiring the GPS satellite by controlling the receiving part; a signal state detection part 52 for detecting the state of signals from the acquired GPS satellite; a decoding control part 53 for controlling the receiving part so as to execute a process of decoding the satellite signals transmitted from the acquired GPS satellite; and a receiving channel setting part 54 for setting the receiving part to either one-satellite mode or multi-channel mode according to the signal state detected at the signal state detection part 52. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供能够在短时间内接收卫星信号的计时装置,降低功耗,减少接收信号时的情况的影响,并增加成功接收的概率。 GPS手表包括:用于通过获取GPS卫星接收卫星信号的接收部分,用于根据接收的卫星信号产生时间信息的时间信息产生部分和接收控制部分50.接收控制部分50 包括:卫星获取控制部分51,用于通过控制接收部分来执行用于获取GPS卫星的处理; 用于检测来自所获取的GPS卫星的信号的状态的信号状态检测部52; 解码控制部分53,用于控制接收部分,以执行对从所获取的GPS卫星发送的卫星信号进行解码的处理; 以及接收通道设定部分54,用于根据在信号状态检测部分52检测到的信号状态将接收部分设置为单卫星模式或多声道模式。(C)2009年,JPO和INPIT
    • 54. 发明专利
    • Gps receiver
    • GPS接收器
    • JP2008298607A
    • 2008-12-11
    • JP2007145455
    • 2007-05-31
    • Toshiba Corp株式会社東芝
    • HAMADA HIROSHI
    • G01S19/09G01C21/00G01S19/22G01S19/28G01S19/46G08G1/0969
    • G01S19/23G01S19/28
    • PROBLEM TO BE SOLVED: To readily improve the positioning accuracy in an urban area.
      SOLUTION: The GPS receiver is provided with a receiving processing part 3 for receiving radio waves, from among a plurality of satellites and acquiring information for positioning contained in the radio waves; a parameter storage part 5 for storing parameters for selecting a part of the plurality of satellites; a positioning processing part 4 for calculating a pseudo-distance from the plurality of the satellites to a receiving place, based on the information for positioning acquired by the receiving processing part 3, and positioning the receiving place from the calculation result, obtained regarding a part of the satellite selected, in accordance with the parameters; and a touch display panel 7 for inputting a position of the already-known receiving place. The receiver is provided with a control part 6 for calculating the actual distance from the plurality of the satellites to the already-known receiving place, when the position of the already-known receiving place is input by the touch panel display 7; determining the range of elevation angle and the azimuth angle suitable for positioning based on an elevation angle value and an azimuth angle value of the satellite which is to be given priority, in the increasing order of errors of the pseudo-distance with respect to the actual distance; and setting the range in the parameter storage part 5 as the parameter.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:容易提高城市的定位精度。 解决方案:GPS接收机设有接收处理部分3,用于从多个卫星中接收无线电波并获取包含在无线电波中的定位信息; 用于存储用于选择多个卫星的一部分的参数的参数存储部分5; 基于由接收处理部分3获取的用于定位的信息,以及从计算结果定位接收位置的定位处理部分4,用于计算从多个卫星到接收位置的伪距离, 的卫星选择,按照参数; 以及用于输入已知接收位置的位置的触摸显示面板7。 接收机设置有控制部分6,用于当触摸面板显示器7输入已知的接收位置的位置时,计算从多个卫星到已知接收位置的实际距离; 根据伪距离误差的增加顺序,根据要提供的优先级的卫星的仰角值和方位角值,确定适合定位的仰角和方位角的范围。 距离; 并将参数存储部分5中的范围设置为参数。 版权所有(C)2009,JPO&INPIT
    • 55. 发明专利
    • Mobile communication terminal, gps positioning method, and positioning calculation system
    • 移动通信终端,GPS定位方法和定位计算系统
    • JP2008249723A
    • 2008-10-16
    • JP2008148460
    • 2008-06-05
    • Ntt Docomo Inc株式会社エヌ・ティ・ティ・ドコモ
    • TSUTSUI AKIHIROYAMAMOTO HISAFUMI
    • G01S19/12G01S19/28
    • G01S19/39
    • PROBLEM TO BE SOLVED: To shorten waiting time required for GPS positioning. SOLUTION: A mobile communication terminal 1, having a GPS-receiving section 3 capable of receiving a positioning signal from a GPS satellite G1, which is capable of identifying a location by means of GPS positioning includes a GPS satellite capturing section 5 for capturing a GPS satellite, based on a positioning signal received by the GPS-receiving section 3; a measuring section 6 for measuring the number of GPS satellites captured by the GPS satellite capturing section 5; a determining section 7 for determining, based on the number of captured GPS satellites measured by the measuring section 6, whether a condition for stoppage of GPS positioning is satisfied; and a GPS-positioning control section 8 for stopping GPS positioning, when the GPS-positioning stop determining section 7 determines that the condition for stoppage of GPS positioning is satisfied, and for continuing GPS positioning, when the determining section 7 determines that the condition for stoppage of GPS positioning is not satisfied. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:缩短GPS定位所需的等待时间。 解决方案:具有能够从GPS卫星G1接收定位信号的能够通过GPS定位识别位置的GPS接收部分3的移动通信终端1包括:GPS卫星捕获部分5,用于 基于由GPS接收部分3接收的定位信号来捕获GPS卫星; 测量部分6,用于测量由GPS卫星捕获部分5拍摄的GPS卫星的数量; 确定部分7,用于基于由测量部分6测量的捕获的GPS卫星的数量,确定是否满足停止GPS定位的条件; 以及用于停止GPS定位的GPS定位控制部8,在GPS定位停止判定部7判定为GPS定位停止的条件得到满足的情况下,GPS定位控制部8,在判断部7判定为 停止GPS定位不满意。 版权所有(C)2009,JPO&INPIT
    • 58. 发明专利
    • Gps positioning device
    • GPS定位装置
    • JP2008139247A
    • 2008-06-19
    • JP2006328148
    • 2006-12-05
    • Alpine Electronics Incアルパイン株式会社
    • WATANABE TAKAYUKI
    • G01S19/46G01C21/00G01S19/22G01S19/28G08G1/0969
    • G01S19/45G01C21/28G01S19/428
    • PROBLEM TO BE SOLVED: To provide a GPS positioning device with high positioning accuracy by reducing multipath influence.
      SOLUTION: The GPS positioning device includes an altitude information memory 34 for storing altitude information Zo of a moving body, a combination calculating part 30 for obtaining a combination of GPS satellites among a plurality of GPS satellites which can be captured, a position measuring part 32 for measuring a three-dimensional position of the moving body for each combination, a differential extracting part 36 for obtaining difference between altitude information Z included in the measured three-dimensional position and the altitude information Zo provided from the altitude information memory 34, and a position determining part 38 for comparing the extracted difference with a threshold value, selecting the combination of the GPS satellites having the difference of the threshold value or smaller, and determining the measured position of the moving body based on the three-dimensional position of the selected combination.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过减少多路径影响来提供具有高定位精度的GPS定位装置。 解决方案:GPS定位装置包括用于存储移动体的高度信息Zo的高度信息存储器34,用于获得可捕获的多个GPS卫星中的GPS卫星的组合的组合计算部30, 用于测量每个组合的运动体的三维位置的测量部分32,用于获得包括在测量的三维位置中的高度信息Z与从高度信息存储器34提供的高度信息Zo之间的差异的差分提取部分36 以及位置确定部38,用于将所提取的差异与阈值进行比较,选择具有阈值或更小的差的GPS卫星的组合,以及基于三维位置确定移动体的测量位置 的选择组合。 版权所有(C)2008,JPO&INPIT
    • 59. 发明专利
    • Terminal and terminal control program
    • 终端和终端控制程序
    • JP2007057330A
    • 2007-03-08
    • JP2005241629
    • 2005-08-23
    • Seiko Epson Corpセイコーエプソン株式会社
    • MATSUMOTO KAZUMI
    • G01S19/23G01S19/28G01S19/37H04B7/26H04W88/02
    • PROBLEM TO BE SOLVED: To provide a terminal which acquires information indicating a frequency error of a standard signal without using communications radio waves from a base station of a cellular phone. SOLUTION: The terminal comprises: a prescribed frequency signal decision means for deciding whether an external signal is a prescribed frequency signal on the basis of nominal frequency information, nominal frequency error information, and frequency error maximum value information indicating the maximum value of the frequency error of the standard signal which is a standard for the operation of the terminal 20; a present frequency error information generation means for generating present frequency error information indicating the present frequency error of the standard signal on the basis of the standard signal and the prescribed frequency signal acquired from outside; an average frequency error information generation means for generating average frequency error information indicating the average value of the present frequency error by averaging a plurality of present frequency errors; and a search frequency range information generation means for generating search frequency range information indicating a frequency range for searching for a satellite signal S1 or the like on the basis of estimated reception frequency information and the average frequency error information. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种在不使用来自蜂窝电话的基站的通信无线电波的情况下获取指示标准信号的频率误差的信息的终端。 解决方案:终端包括:规定的频率信号判定装置,用于根据标称频率信息,标称频率误差信息和表示最大值的频率误差最大值信息来判定外部信号是否是规定的频率信号 作为终端20的动作标准的标准信号的频率误差; 本频率误差信息产生装置,用于根据标准信号和从外部获取的规定频率信号产生指示标准信号的当前频率误差的当前频率误差信息; 平均频率误差信息产生装置,用于通过平均多个当前频率误差来产生指示当前频率误差的平均值的平均频率误差信息; 以及搜索频率范围信息生成装置,用于根据估计的接收频率信息和平均频率误差信息,生成表示用于搜索卫星信号S1等的频率范围的搜索频率范围信息。 版权所有(C)2007,JPO&INPIT
    • 60. 发明专利
    • Positioning device and positioning method
    • 定位装置和定位方法
    • JP2006337262A
    • 2006-12-14
    • JP2005164346
    • 2005-06-03
    • Mitsubishi Electric Corp三菱電機株式会社
    • KUMOI KAZUNARIMIYASHITA KAZUHITOSHIMIZU RYOICHI
    • G01C21/00G01S19/22G01S19/28
    • PROBLEM TO BE SOLVED: To prevent positioning accuracy deterioration due to a multi-path wave from a building and the like.
      SOLUTION: This positioning device comprises: a receiver which receives positioning signals from a plurality of positioning satellites and outputs positioning related information including a pseudo range to each positioning satellite and position information of the positioning satellite to a positioning operation part and a data extract part; the data extracting part which is connected to the receiver, the positioning operation part and a geographic information database and selects the positioning satellite used for a positioning operation to calculate a self-location on the basis of a self-location and geographic information estimated by the positioning operation part using the positioning related information; and the positioning operation part which calculates the self-location with the positioning related information of the selected positioning satellite. The geographic information includes a correspondence table of a divided positioning areas and previously set elevation angle values corresponding to each positioning area. The data extracting part comprises a determination part which selects the positioning satellites in the range beyond the elevation angle value determined by the estimated self-location and the correspondence table.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了防止来自建筑物的多路波等导致的定位精度劣化。 解决方案:该定位装置包括:接收器,其从多个定位卫星接收定位信号,并将定位相关信息包括伪距离并将定位卫星的位置信息输出到定位操作部分和数据 提取部分; 连接到接收机的数据提取部分,定位操作部分和地理信息数据库,并且选择用于定位操作的定位卫星,以基于自身位置计算自身位置,以及由 定位操作部分使用定位相关信息; 以及利用所选择的定位卫星的定位相关信息来计算自身位置的定位操作部。 地理信息包括分割的定位区域和对应于每个定位区域的预先设定的仰角值的对应表。 数据提取部分包括一个确定部分,该确定部分在超过由估计的自位置和对应表确定的仰角值的范围内选择定位卫星。 版权所有(C)2007,JPO&INPIT