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    • 2. 发明授权
    • Receiving system
    • 接收系统
    • US07912434B2
    • 2011-03-22
    • US11631469
    • 2005-06-23
    • Seiichiro KimotoManabu FujitaToshiaki ShigemoriAyako NagaseAkira MatsuiKazutaka Nakatsuchi
    • Seiichiro KimotoManabu FujitaToshiaki ShigemoriAyako NagaseAkira MatsuiKazutaka Nakatsuchi
    • H04B1/06
    • A61B5/07
    • To realize a receiving system that can excellently receive radio signals before and after a body insertable device, which is a radio signal source, is inserted into a subject, the receiving system has a first receiving antenna (1), a second receiving antenna (2), and a receiving apparatus (3). The first receiving antenna (1) is used when the body insertable device is outside the subject. The second receiving antenna (2) is used when the body insertable device is inserted into the subject. The receiving apparatus (3) performs a receiving processing on radio signals received through the first receiving antenna (1) or the second receiving antenna (2). In the receiving system, a receiving antenna connected to an antenna connector (13) provided in the receiving apparatus (3) is switched between the first receiving antenna (1) and the second receiving antenna (2) corresponding to a difference in propagation states of radio signals transmitted from the body insertable device before and after the body insertable device is inserted into the subject. Consequently, the receiving system that can excellently receive the radio signals before and after the body insertable device is inserted into the subject is realized.
    • 为了实现在作为无线电信号源的身体可插入设备之前和之后能够优良地接收无线电信号的接收系统被插入到被摄体中,接收系统具有第一接收天线(1),第二接收天线(2 )和接收装置(3)。 当身体可插入装置在对象外部时,使用第一接收天线(1)。 当身体可插入装置插入到被摄体中时,使用第二接收天线(2)。 接收装置(3)对通过第一接收天线(1)或第二接收天线(2)接收的无线信号进行接收处理。 在接收系统中,连接到设置在接收装置(3)中的天线连接器(13)的接收天线在第一接收天线(1)和第二接收天线(2)之间切换,对应于传播状态的差异 在身体插入装置插入被检体之前和之后从身体插入装置传送的无线电信号。 因此,可以实现在主体插入装置被插入到对象之前和之后能够良好地接收无线电信号的接收系统。
    • 3. 发明授权
    • Radio receiver with an error correction code detector and with a correction unit
    • 具有纠错码检测器和校正单元的无线电接收机
    • US08732546B2
    • 2014-05-20
    • US13165513
    • 2011-06-21
    • Manabu FujitaToshiaki ShigemoriSeiichiro KimotoAyako NagaseAkira MatsuiKazutaka Nakatsuchi
    • Manabu FujitaToshiaki ShigemoriSeiichiro KimotoAyako NagaseAkira MatsuiKazutaka Nakatsuchi
    • H03M13/00
    • A61B1/041A61B1/00016A61B1/00036A61B1/00055A61B5/073A61B2560/0475
    • A receiving apparatus for receiving a radio signal through an antenna. The radio signal is transmitted by a moving transmitting apparatus and has a frame configuration which includes at least a main information portion that includes information main part based on an image signal and an added portion that includes synchronization information and parameter information specific to the transmitting apparatus. The receiving apparatus includes a detecting unit that is configured to detect, from the received radio signal, an arrangement position of the parameter information in a frame configuration in which an error-correcting code is added immediately after the parameter information to be transmitted in a predetermined arrangement position of the frame configuration. A parameter information error correcting unit is configured to perform error correction on the parameter information with the error-correcting code that is added immediately after the detected arrangement position of the parameter information. An image processing unit is configured to perform image processing on the image signal of the main information portion using the corrected parameter information.
    • 一种用于通过天线接收无线电信号的接收装置。 无线电信号由移动发送装置发送,并且具有帧配置,该帧配置至少包括基于图像信号的包括信息主要部分的主信息部分和包括同步信息的附加部分和发送装置特有的参数信息。 接收装置包括检测单元,其被配置为从所接收的无线电信号中检测参数信息的布置位置,该帧配置中,在预定的发送的参数信息之后立即添加纠错码 框架配置的布置位置。 参数信息误差校正单元被配置为利用在检测到的参数信息的布置位置之后立即添加的纠错码对参数信息进行纠错。 图像处理单元被配置为使用校正的参数信息对主信息部分的图像信号执行图像处理。
    • 8. 发明授权
    • Receiving apparatus
    • 接收装置
    • US08175559B2
    • 2012-05-08
    • US11571418
    • 2006-08-29
    • Masatoshi HomanAyako NagaseSeiichiro KimotoKazutaka NakatsuchiManabu FujitaAkira MatsuiToshiaki Shigemori
    • Masatoshi HomanAyako NagaseSeiichiro KimotoKazutaka NakatsuchiManabu FujitaAkira MatsuiToshiaki Shigemori
    • H04B17/02
    • A61B1/00016A61B1/00057A61B1/041H04B7/0805
    • The present invention is intended to be able to ensure detecting whether an open-circuit occurs to a feeder within short time with simple configuration. A receiving apparatus 2 according to the present invention receives image information transmitted from a capsule endoscope 3 through a coaxial cable and a receiving antenna selected and switched to from among coaxial cables 9a to 9d connected to receiving antennas 8a to 8d, respectively by a changeover switch 20. The receiving apparatus 2 includes a changeover switch 22, an open-circuit detecting circuit 23, and a control unit 26. The changeover switch 22 branches the coaxial cables 9a to 9d near the changeover switch 20, and selects and switches to one of the branched coaxial cables. The open-circuit detecting circuit 23 applies a direct-current voltage to the coaxial cable selected by the changeover switch 22 through a constant-current source 203, and detects whether an open-circuit occurs to the coaxial cable by determining whether a voltage of the coaxial cable is grounded. The control unit 26 controls the changeover switch 22 to perform selection/switching, and controls the open-circuit detecting circuit 23 to perform open-circuit detection synchronously with the selection/switching control over the changeover switch 22.
    • 本发明旨在能够以简单的结构确保在短时间内检测进料器是否发生开路。 根据本发明的接收装置2通过同轴电缆和从与接收天线8a至8d连接的同轴电缆9a至9d中选择和切换的接收天线分别接收从胶囊内窥镜3发送的图像信息,转换开关 接收装置2包括切换开关22,开路检测电路23和控制单元26.切换开关22将切换开关20附近的同轴电缆9a至9d分支,并选择并切换到 分支式同轴电缆。 开路检测电路23通过恒流源203对由切换开关22选择的同轴电缆施加直流电压,并且通过确定是否对该同轴电缆的电压进行判定来检测是否发生对同轴电缆的开路 同轴电缆接地。 控制单元26控制切换开关22进行选择/切换,并且控制开路检测电路23与切换开关22上的选择/切换控制同步地进行开路检测。