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    • 109. 发明专利
    • Communication system and transmission/reception method of digital data
    • 通信系统和数字数据的传输/接收方法
    • JP2010259040A
    • 2010-11-11
    • JP2009274784
    • 2009-12-02
    • Hyundai Motor Co Ltd現代自動車株式会社
    • CHOI YU TAEKIM YOUNG SEAK
    • H04W28/20H04W28/22
    • H04M11/066G10L19/00
    • PROBLEM TO BE SOLVED: To provide a system capable of improving the transmission speed of data by preventing distortion and reduction of data in transmitting/receiving digital data through a voice channel of a radio communication network. SOLUTION: This digital data communications system for transmitting a voice signal or digital data between a terminal portion 426 mounted on a vehicle and an external server 427, in each of the terminal portion 426 and the external server 427, includes: a CDOV modem 402 configured to modulate the digital data to include frequency characteristics of vowel and consonant of the voice; and a transmission/reception module 412 configured to transmit/receive the modulated signal through a voice channel. The terminal portion 426 further includes: a telematics terminal 401 having the CDOV modem 402; and a cell-phone 411 having the transmission/reception module. The telematics terminal 401 and the cell-phone 411 are connected to each other by Bluetooth communication. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够通过无线电通信网络的语音信道防止发送/接收数字数据的数据失真和减少来提高数据传输速度的系统。 解决方案:用于在安装在车辆上的终端部分426和终端部分426和外部服务器427中的每一个中的外部服务器427之间发送语音信号或数字数据的数字数据通信系统包括:CDOV 调制解调器402被配置为调制数字数据以包括元音的元音和辅音的频率特性; 以及被配置为通过语音信道发送/接收调制信号的发送/接收模块412。 终端部分426还包括:具有CDOV调制解调器402的远程信息处理终端401; 以及具有发送/接收模块的手机411。 远程信息通信终端401和蜂窝电话411通过蓝牙通信彼此连接。 版权所有(C)2011,JPO&INPIT