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    • 7. 发明专利
    • Car telephone system, hands-free device, and mobile phone device
    • 空值
    • JP4458721B2
    • 2010-04-28
    • JP2001260581
    • 2001-08-30
    • 富士通テン株式会社
    • 英樹 北尾俊孝 大和真一 岩本
    • H04M1/60H04W4/04H04W52/02H04W84/10H04W88/02
    • Y02D70/00
    • PROBLEM TO BE SOLVED: To provide an on-vehicle telephone system in which convenience is improved when switching to hands-free talking or normal talking (handset talking) using the transmitter/receiver of a portable telephone set. SOLUTION: In the on-vehicle telephone system provided with a portable telephone set 15 for performing radio telephone communication and a hands-free device 2 connected to the portable telephone set 15 for outputting a received voice of the portable telephone set 15 from a speaker 5 installed on a vehicle and outputting an audio signal inputted from a microphone 4 installed on the vehicle to the portable telephone set 15 as a transmitting signal, this system is provided with a connection detecting means for detecting the connection of the portable telephone set 15 or the hands-free device 2 for communication during handset talking with the microphone and the speaker provided on the portable telephone set 15 and a mode switching means for switching a handset talking state to a hands-free talking state with the microphone 4 and the speaker 5 provided on the hands-free device when the connection of the portable telephone set 15 and the hands-free device 2 is detected by the connection detecting means during handset talking.
    • 要解决的问题:提供一种在使用便携式电话机的发射机/接收机切换到免提通话或正常通话(手机通话)时便于改进的车载电话系统。 解决方案:在设置有用于执行无线电话通信的便携式电话机15的车载电话系统和连接到便携式电话机15的免提装置2中,用于从扬声器5输出便携式电话机15的接收语音 安装在车辆上并将安装在车辆上的麦克风4输入的音频信号作为发送信号输出到便携式电话机15,该系统设置有连接检测装置,用于检测便携式电话机15或 用于在与麦克风和设置在便携式电话机15上的扬声器通话期间进行通信的免提装置2和用于将手机通话状态切换到具有麦克风4和扬声器5的免提通话状态的模式切换装置 当通过连接检测检测到便携式电话机15和免提装置2的连接时,在免提装置上 cting意味着在手机通话过程中。