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    • 1. 发明专利
    • State display device
    • 状态显示设备
    • JP2011139212A
    • 2011-07-14
    • JP2009297035
    • 2009-12-28
    • Hitachi Kokusai Denki Engineering:KkHitachi Kokusai Electric Inc株式会社日立国際電気株式会社日立国際電気エンジニアリング
    • NAGAOKA MASAYO
    • H04Q3/58H04M11/00
    • PROBLEM TO BE SOLVED: To provide a state display device capable of urging a terminal, which does not participate in a group conversation, to participate in the group conversation. SOLUTION: The state display device, for displaying the state of each terminal in a private radio system, has: an acquiring part 6 for acquiring a call control signal of each terminal from a private branch exchange of the private radio system; a generating part 19 for generating a signal for performing state display as to whether or not each terminal participates in a group conversation on the basis of the call control signal acquired by the acquiring part; and a transmitting part 5 and 12 for receiving an instruction signal to a terminal, which does not participate in the group conversation, from the outside, and generating and transmitting a signal for urging the terminal, which does not participate in the group conversation, to participate in the group conversation. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够促使不参加群组对话的终端参与群组对话的状态显示装置。 解决方案:用于显示专用无线电系统中每个终端的状态的状态显示设备具有:获取部分6,用于从专用无线电系统的专用交换机获取每个终端的呼叫控制信号; 生成部分19,用于根据由获取部分获取的呼叫控制信号,生成用于执行状态显示的信号,以确定每个终端是否参与群组对话; 以及发送部分5和12,用于从外部向终端接收指示信号,该终端不参与群组通话,并且生成并发送不参加群组通话的终端的信号到不参加群组通话的信号 参加小组对话。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Train radio system
    • 火车无线电系统
    • JP2012106538A
    • 2012-06-07
    • JP2010255244
    • 2010-11-15
    • Hitachi Kokusai Denki Engineering:KkHitachi Kokusai Electric Inc株式会社日立国際電気株式会社日立国際電気エンジニアリング
    • WAKAIZUMI HIROSHI
    • B61L23/00B61L23/34H04W4/04
    • PROBLEM TO BE SOLVED: To provide a train radio system that can reliably notify emergency of a base station from a mobile station.SOLUTION: The train radio system includes a base station M0, a first mobile station M2 and a second mobile station M2. The first mobile station includes a first transmitting part that transmits sub-tone signals to the base station so that the sub-tone signals are interposed at the time of transmission, and a detection part that detects a response signal to the sub-tone signals from the base station. The second mobile station includes a second transmitting part that secures wireless speech between the base station and the second mobile station by transmitting the sub-tone signal to the base station when the detection part can't detect the response signal.
    • 要解决的问题:提供一种能够从移动台可靠地通知基站的紧急情况的列车无线电系统。 解决方案:列车无线电系统包括基站M0,第一移动台M2和第二移动台M2。 第一移动站包括:第一发送部,其向基站发送子音信号,使得在发送时插入子音信号;以及检测部,其检测对于子音信号的响应信号, 基站。 第二移动台包括:第二发送部,其在检测部不能检测到响应信号时,通过向基站发送子音信号,来确保基站与第二移动台之间的无线语音。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Wireless system
    • 无线系统
    • JP2012100001A
    • 2012-05-24
    • JP2010245111
    • 2010-11-01
    • Hitachi Kokusai Denki Engineering:KkHitachi Kokusai Electric Inc株式会社日立国際電気株式会社日立国際電気エンジニアリング
    • MATSUI AKIRA
    • H04M3/00H04Q3/58H04W24/04H04W84/16
    • PROBLEM TO BE SOLVED: To provide a wireless system which can be operated while maintaining a call even when a failure occurs.SOLUTION: A wireless system includes a communication unit 15 for communicating with a plurality of wireless communication base stations, an active control unit 11 for controlling the communication unit in a first mode, a standby control unit 12 for controlling the communication unit in the first mode, an active control unit 13 for controlling the communication unit in a second mode, a standby control unit 14 for controlling the communication unit in the second mode, and a console unit 10 that receives failure information from the active control unit in the first mode and the active control unit in the second mode to switch the active control unit in the first mode to the standby control unit in the first mode or to switch the active control unit in the second mode to the standby control unit in the second mode according to the failure information.
    • 要解决的问题:提供即使发生故障时也可以在保持呼叫的同时进行操作的无线系统。 解决方案:无线系统包括用于与多个无线通信基站通信的通信单元15,用于以第一模式控制通信单元的主动控制单元11,用于控制通信单元的备用控制单元12 第一模式,用于以第二模式控制通信单元的主动控制单元13,用于控制第二模式中的通信单元的备用控制单元14,以及控制单元10,其从主动控制单元接收故障信息 第一模式和主动控制单元,以第一模式将主动控制单元切换到备用控制单元,或者以第二模式将第二模式中的主动控制单元切换到备用控制单元 根据故障信息。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Inductive radio communication system
    • 电感无线电通信系统
    • JP2009260726A
    • 2009-11-05
    • JP2008108143
    • 2008-04-17
    • Hitachi Kokusai Denki Engineering:KkHitachi Kokusai Electric Inc株式会社日立国際電気株式会社日立国際電気エンジニアリング
    • IGARASHI KEISUKESAKAGUCHI TATSUO
    • H04B5/00B60L15/40B61L3/12H04W4/04H04W24/04
    • Y02T90/16
    • PROBLEM TO BE SOLVED: To provide an inductive radio communication system which determines whether or not a communication line from an inductive radio mobile station is established and selects and uses an appropriate inductive radio mobile station. SOLUTION: The inductive radio communication system is such that a signal is transmitted from an inductive radio mobile station 15 mounted on a vehicle 11 to a third rail 14 via a current collector 17 and a signal is transmitted to a base station via an inductive communication line electromagnetically coupled to the third rail 14. In this inductive radio communication system, it is detected by the inductive radio mobile station 15 whether or not there is a signal current caused to flow from the inductive radio mobile station 15 to the current collector 17. When the signal current is detected, communication is performed by the inductive radio mobile station 15. When the signal current is not detected, communication is performed by switching over to another inductive radio mobile station 16. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种感应无线电通信系统,其确定来自感应无线电移动台的通信线路是否建立,并选择并使用适当的感应无线电移动台。 解决方案:感应无线电通信系统使得信号经由集电器17从安装在车辆11上的感应无线电移动台15发送到第三导轨14,并且信号经由 感应通信线路电磁耦合到第三导轨14.在该感应无线电通信系统中,由感应无线电移动台15检测是否存在从感应无线电移动台15流向集电器的信号电流 当检测到信号电流时,感应无线电移动台15进行通信。当未检测到信号电流时,通过切换到另一个感应无线电移动台16进行通信。版权所有(C) 2010年,JPO&INPIT
    • 9. 发明专利
    • State display device
    • 状态显示设备
    • JP2011015217A
    • 2011-01-20
    • JP2009157938
    • 2009-07-02
    • Hitachi Kokusai Denki Engineering:KkHitachi Kokusai Electric Inc株式会社日立国際電気株式会社日立国際電気エンジニアリング
    • WATANABE HIROYUKIYOKOGAWA EIJI
    • H04Q3/58H04M3/42H04W24/00
    • PROBLEM TO BE SOLVED: To provide a state display device which takes out a call control signal from a private branch exchange to easily display a call state.SOLUTION: The state display device displays a state of each terminal in a private radio system and includes: a call control signal acquisition part 21 which obtains all call control signals 40 from a private branch exchange 2 of the private radio system; a call control signal analysis part 26 which analyzes the call control signal for performing state display according to a classification of the call control signal and cancels a call control signal which is not used for the state display; and display signal generation parts 27-32 which generate signals for performing the state display on the basis of results obtained by analyzing the call control signal by the call control signal analysis part.
    • 要解决的问题:提供一种从专用交换机取出呼叫控制信号以容易地显示呼叫状态的状态显示设备。解决方案:状态显示设备在专用无线电系统中显示每个终端的状态,包括: 呼叫控制信号获取部分21,其从专用无线电系统的专用小交换机2获得所有呼叫控制信号40; 呼叫控制信号分析部26,根据呼叫控制信号的分类,分析用于进行状态显示的呼叫控制信号,取消不用于状态显示的呼叫控制信号; 以及显示信号生成部件27-32,其根据由呼叫控制信号分析部分分析呼叫控制信号而获得的结果,生成用于执行状态显示的信号。