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    • 41. 发明授权
    • Position estimation device, position estimation method, and program
    • 位置估计装置,位置估计方法和程序
    • US09098744B2
    • 2015-08-04
    • US13698572
    • 2011-02-10
    • Noppharit TongprasitAram KawewongOsamu Hasegawa
    • Noppharit TongprasitAram KawewongOsamu Hasegawa
    • G06K9/48G06K9/00G06T7/00
    • G06K9/00624G06K9/00664G06T7/73
    • Disclosed is a position estimation device including a feature extraction unit that extracts invariant features from an input image, a matching unit that obtains matching between an input image and a registered place by referring to a database containing each registered place and invariant features in association, a similarity calculation unit that calculates a similarity with inclusion of a registered place near a selected registered place when the matching is a threshold or more, and a position identification unit that identifies the input image as a registered place when the similarity is a threshold or more. The feature extraction unit extracts local features from each input image being sequential images taken sequentially, selects features matched between the sequential images as sequential features, and calculates invariant features based on the sequential features. The number of sequential images is variable depending on the number of matched features.
    • 公开了一种位置估计装置,其包括从输入图像中提取不变特征的特征提取单元,通过参照包含关联的每个登记地点和不变特征的数据库,获得输入图像与登记地点之间的匹配的匹配单元, 相似度计算单元,当所述匹配是阈值以上时,计算包含所选登记地点附近的登记地点的相似度;以及位置识别单元,当所述相似度为阈值以上时,将所述输入图像识别为登记地点。 特征提取单元从每个输入图像中提取作为顺序拍摄的顺序图像的局部特征,选择在顺序图像之间匹配的特征作为顺序特征,并且基于顺序特征来计算不变特征。 顺序图像的数量根据匹配的特征数量而变化。
    • 45. 发明申请
    • Cellular Phone and a Base Station Thereof
    • 手机及其基站
    • US20070243883A1
    • 2007-10-18
    • US11765358
    • 2007-06-19
    • Makoto KatagishiOsamu Hasegawa
    • Makoto KatagishiOsamu Hasegawa
    • H04M1/00
    • H04M1/72566H04M1/72547H04M1/72572H04M1/72583
    • When a receiving end is a cellular phone, the cellular phone that displays the local time at the receiving end and a base station used in this cellular phone are realized. A time recognition unit that obtains the local time at the receiving end using the time information acquired from the cellular phone of the receiving end or the base station at which the cellular phone of the receiving end is registered in stand-by mode and a display unit that displays the local time are installed in the cellular phone. Further, when the time information or position information of the cellular phone registered in the base station in stand-by mode is requested from the calling end, a unit for sending the time information or position information at the location at which this base station exists to the cellular phone of a requesting source is installed in the base station.
    • 当接收端是蜂窝电话时,实现在接收端显示本地时间的蜂窝电话和在该蜂窝电话中使用的基站。 一种时间识别单元,其使用从接收端的蜂窝电话获得的时间信息或接收端的蜂窝电话在待机模式下登记的基站获取接收端的本地时间;以及显示单元 显示当地时间安装在手机中。 此外,当从主叫端请求在待机模式中登记在基站中的蜂窝电话的时间信息或位置信息时,用于在该基站存在的位置发送时间信息或位置信息的单元 请求源的蜂窝电话安装在基站中。
    • 46. 发明授权
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US07269203B2
    • 2007-09-11
    • US11054439
    • 2005-02-10
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04L27/00
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system, in order to reduce a power consumption during a suspension period of intermittent receiving operation, monitors a suspension period t1 by means of a low-power timer 51 so that a VC-TCXO 1, a reference signal group generation unit 2 and a receiving unit 3 are turned off and a modem unit 4 is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer 44 is supplied with a start (d) to require counting of time t3 and a part of a received signal is stored. A PN code phase of stored data is calculated in a PN code phase calculator 46 during a period t3 to obtain an indication value i for a phase deviation. State vectors for short code and long code and further a reception time t4 are calculated on the basis of the indication value i to be set. When the high-accuracy timer 44 counts t3 and produces 0V(d), demodulation operation by a rake demodulation unit 40, a demultiplexing unit 41 and a descrambler unit 42 is started in accordance with the setting and is continued during the reception time t4.
    • CDMA系统的接收机为了在间歇接收操作的暂停期间降低功耗,借助于低功率定时器51监视暂停时段t 1,使得VC-TCXO 1,参考信号组 生成单元2和接收单元3被关闭,并且调制解调器单元4被设置为睡眠状态。 在恢复接收操作时,高精度定时器44被提供有开始(d),以需要计数时间t 3,并且存储接收信号的一部分。 在时间段t 3期间,在PN码相位计算器46中计算存储数据的PN码相位,以获得相位偏差的指示值i。 基于要设定的指示值i计算短码和长码的状态向量以及进一步的接收时间t 4。 当高精度定时器44计数t 3并产生0V(d)时,根据该设置启动由前置解调单元40,解复用单元41和解扰单元42进行的解调操作,并且在接收时间t 4。
    • 47. 发明授权
    • Cellular phone and a base station thereof
    • 蜂窝电话及其基站
    • US07245924B2
    • 2007-07-17
    • US11219170
    • 2005-09-01
    • Makoto KatagishiOsamu Hasegawa
    • Makoto KatagishiOsamu Hasegawa
    • H04Q7/20
    • H04M1/72566H04M1/72547H04M1/72572H04M1/72583H04W4/20
    • When a receiving end is a cellular phone, the cellular phone that displays the local time at the receiving end and a base station used in this cellular phone are realized. A time recognition unit that obtains the local time at the receiving end using the time information acquired from the cellular phone of the receiving end or the base station at which the cellular phone of the receiving end is registered in stand-by mode and a display unit that displays the local time are installed in the cellular phone. Further, when the time information or position information of the cellular phone registered in the base station in stand-by mode is requested from the calling end, a unit for sending the time information or position information at the location at which this base station exists to the cellular phone of a requesting source is installed in the base station.
    • 当接收端是蜂窝电话时,实现在接收端显示本地时间的蜂窝电话和在该蜂窝电话中使用的基站。 一种时间识别单元,其使用从接收端的蜂窝电话获得的时间信息或接收端的蜂窝电话在待机模式下登记的基站获取接收端的本地时间;以及显示单元 显示当地时间安装在手机中。 此外,当从主叫端请求在待机模式中登记在基站中的蜂窝电话的时间信息或位置信息时,用于在该基站存在的位置发送时间信息或位置信息的单元 请求源的蜂窝电话安装在基站中。
    • 48. 发明授权
    • CDMA mobile telephone
    • CDMA手机
    • US07054352B2
    • 2006-05-30
    • US09726722
    • 2000-11-30
    • Osamu Hasegawa
    • Osamu Hasegawa
    • H04B1/69
    • H04B1/7087G01S11/10H04B1/7113H04B1/7117H04B2201/70707H04B2201/70715H04W4/027H04W4/046
    • A CDMA mobile telephone allowing the drive mode to be automatically set and canceled without increasing the amount of hardware is disclosed. A frequency offset for each of N fingers is detected from despread data which are obtained by despreading received spectrum-spread data of M branches. Based on the detected N frequency offsets, it is determined whether the mobile telephone is moving at speeds higher than a predetermined speed. An operation mode of the mobile telephone switches between a drive mode and a normal mode depending on whether the mobile telephone is moving at speeds higher than the predetermined speed.
    • 公开了一种允许在不增加硬件量的情况下自动设置和取消驱动模式的CDMA移动电话。 从通过解扩M个分支的接收频谱扩展数据而获得的解扩数据来检测每个N个指的频率偏移。 基于检测到的N个频率偏移,确定移动电话是否以高于预定速度的速度移动。 移动电话的操作模式根据移动电话是否以高于预定速度的速度移动,在驱动模式和正常模式之间切换。
    • 50. 发明授权
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US07035309B2
    • 2006-04-25
    • US10026798
    • 2001-12-27
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04Q7/20
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system, in order to reduce a power consumption during a suspension period of intermittent receiving operation, monitors a suspension period t1 by means of a low-power timer 51 so that a VC-TCXO 1, a reference signal group generation unit 2 and a receiving unit 3 are turned off and a modem unit 4 is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer 44 is supplied with a start (d) to require counting of time t3 and a part of a received signal is stored. A PN code phase of stored data is calculated in a PN code phase calculator 46 during a period t3 to obtain an indication value i for a phase deviation. State vectors for short code and long code and further a reception time t4 are calculated on the basis of the indication value i to be set. When the high-accuracy timer 44 counts t3 and produces 0V(d), demodulation operation by a rake demodulation unit 40, a demultiplexing unit 41 and a descrambler unit 42 is started in accordance with the setting and is continued during the reception time t4.
    • CDMA系统的接收机为了降低间歇接收操作的暂停时间段期间的功率消耗,通过低功率定时器51监视暂停时段t 1,使得VC-TCXO 1,参考信号组 生成单元2和接收单元3被关闭,并且调制解调器单元4被设置为睡眠状态。 在恢复接收操作时,高精度定时器44被提供有开始(d),以需要计数时间t 3,并且存储接收信号的一部分。 在时间段t 3期间,在PN码相位计算器46中计算存储数据的PN码相位,以获得相位偏差的指示值i。 基于要设定的指示值i计算短码和长码的状态向量以及进一步的接收时间t 4。 当高精度定时器44计数t 3并产生0V(d)时,根据该设置启动由前置解调单元40,解复用单元41和解扰单元42进行的解调操作,并且在接收时间期间继续 t 4。