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    • 5. 发明授权
    • Terminal apparatus and diversity antenna control method for the same
    • 终端装置和分集天线控制方法相同
    • US08644784B2
    • 2014-02-04
    • US12382746
    • 2009-03-23
    • Koichi YokotaIsamu YamadaShinichi ShiotsuAkira Itasaki
    • Koichi YokotaIsamu YamadaShinichi ShiotsuAkira Itasaki
    • H04B1/06
    • H04B7/0805H04B7/082H04B7/0822H04B7/0874
    • A terminal apparatus adapted to receive a wireless signal by antenna diversity, wherein provisions are made to reduce the number of receive circuits while also reducing the time required for antenna selection. The a terminal apparatus is adapted to receive a wireless signal by antenna diversity, and includes: a mode-of-use detection unit for detecting the mode of use of the terminal apparatus as set up by a user; a storage unit for storing priority information that predefines an antenna to be selected for use by prioritizing the plurality of antennas according to the mode of use that can be detected by the mode-of-use detection unit; and a comparator for outputting selection control information specifying at least one antenna from among the plurality of antennas by comparing the mode of use detected by the mode-of-use detection unit with the priority information stored in the storage unit.
    • 一种适于通过天线分集接收无线信号的终端设备,其中进行了减少接收电路的数量的设置,同时也减少了天线选择所需的时间。 终端装置适于通过天线分集接收无线信号,并且包括:用户检测终端装置的使用方式的使用模式检测单元; 存储单元,用于根据可由使用模式检测单元检测到的使用模式,存储预先定义要选择的天线的优先级信息,以便优先考虑多个天线; 以及比较器,用于通过将由使用模式检测单元检测到的使用模式与存储在存储单元中的优先级信息进行比较来输出从多个天线中指定至少一个天线的选择控制信息。
    • 6. 发明授权
    • Information processing apparatus and correction method
    • 信息处理装置及校正方法
    • US08509819B2
    • 2013-08-13
    • US13476280
    • 2012-05-21
    • Hideki TanakaShinichi ShiotsuHiroyasu SuganoKoichi YokotaAkira ItasakiDaisuke Yamashita
    • Hideki TanakaShinichi ShiotsuHiroyasu SuganoKoichi YokotaAkira ItasakiDaisuke Yamashita
    • H04W24/00G01S3/02
    • H04W64/00G01S5/021G01S11/06H04W24/08
    • An information processing apparatus includes an acquiring unit configured to receive signals, which are transmitted from a fixed station, including identification information for identifying the fixed station, measure receive signal strength indications of the received signals, and acquire position information indicating positions at which the receive signal strength indications are measured, the receive signal strength indications, and the identification information in association with each other; and a gain/attenuation rate calculating unit configured to calculate correction information including a transmission antenna gain in a specific direction from the fixed station and an attenuation rate in a propagation path, the correction information being obtained from the receive signal strength indication measured at a first distance in the specific direction from the fixed station and the receive signal strength indication measured at a second distance in the specific direction that is different from the first distance.
    • 一种信息处理装置,包括:获取单元,被配置为接收从固定站发送的信号,包括用于识别固定站的识别信息,测量接收信号的接收信号强度指示,以及获取指示接收到的位置的位置信息 测量信号强度指示,接收信号强度指示和识别信息相互关联; 以及增益/衰减率计算单元,被配置为计算包括来自所述固定站的特定方向上的发送天线增益和所述传播路径中的衰减率的校正信息,所述校正信息从在第一处测量的接收信号强度指示获得 距离固定站的特定方向的距离和在与第一距离不同的特定方向上的第二距离处测量的接收信号强度指示。
    • 7. 发明授权
    • Electronic apparatus having DC voltage conversion function, and DC voltage converter
    • 具有直流电压转换功能的电子设备和直流电压转换器
    • US07629712B2
    • 2009-12-08
    • US11264133
    • 2005-11-02
    • Yoshiyasu NakashimaSatoshi KazamaHideyuki MotoyamaShinichi YoshimotoKoichi YokotaHiroshi Yamada
    • Yoshiyasu NakashimaSatoshi KazamaHideyuki MotoyamaShinichi YoshimotoKoichi YokotaHiroshi Yamada
    • H02J1/00
    • H02J1/08H02J2001/008Y10T307/406Y10T307/469Y10T307/832
    • A voltage conversion circuit is provided for efficiently converting the voltage of a DC power source into a lower voltage in accordance with load currents of voltage converters. An electronic apparatus includes: a DC power source for supplying a first DC supply voltage; a first DC voltage converter for converting the first DC supply voltage into a second DC supply voltage which is lower than the first DC supply voltage; a second DC voltage converter for converting either the first DC supply voltage or the second DC supply voltage at an input voltage terminal thereof into a third DC supply voltage which is lower than the second DC supply voltage; a switch for selecting and supplying one of the first DC supply voltage of the DC power source and the second DC supply voltage of the first DC voltage converter to the input voltage terminal of the second DC voltage converter, in accordance with a control signal; a switching controller for providing the control signal to the switch; and a plurality of components, ones of the components receiving the second DC supply voltage, ones of the components receiving the third DC supply voltage.
    • 提供电压转换电路,用于根据电压转换器的负载电流将DC电源的电压有效地转换成较低的电压。 电子设备包括:用于提供第一DC电源电压的DC电源; 第一DC电压转换器,用于将第一DC电源电压转换成低于第一DC电源电压的第二DC电源电压; 第二DC电压转换器,用于将其输入电压端处的第一DC电源电压或第二DC电源电压转换为低于第二DC电源电压的第三DC电源电压; 用于根据控制信号向第二DC电压转换器的输入电压端子选择并提供直流电源的第一直流电源电压和第一直流电压转换器的第二直流电源电压中的一个的开关; 开关控制器,用于向开关提供控制信号; 以及多个部件,其中一个部件接收第二直流电源电压,其中一个部件接收第三直流电源电压。