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    • 12. 发明公开
    • 송신 및 수신장치
    • 发送和接收设备
    • KR1020110067724A
    • 2011-06-22
    • KR1020090124426
    • 2009-12-15
    • 엘지이노텍 주식회사
    • 김동영박동찬
    • H04W88/06H04B1/02H04B1/06
    • H04W88/06H04B1/02H04B1/06
    • PURPOSE: A transmitting and receiving apparatus is provided to transmit and receive a WCDMA(Wide-band Code Division Multiple Access) and an EDGE(Enhanced Data rate for GSM Evolution) signal of a triple band. CONSTITUTION: A duplexer module(130) divides a radio frequency signal of WCDMA received from a front end module. A WCDMA signal filtering unit(150) filters the radio frequency signal of WCDMA from the duplexer module. The reception WCDMA signal filtering unit outputs the filtered signals to an RF signal processing unit. A reception EDGE signal filtering unit(160) filters radio frequency signals of EDGE from the front-end module.
    • 目的:提供发送和接收装置,用于发送和接收三频带的WCDMA(宽带码分多址)和EDGE(GSM Evolution的增强数据速率)信号。 构成:双工器模块(130)分割从前端模块接收的WCDMA的射频信号。 WCDMA信号滤波单元(150)从双工器模块对WCDMA的射频信号进行滤波。 接收WCDMA信号滤波单元将滤波后的信号输出到RF信号处理单元。 接收边缘信号滤波单元(160)从前端模块滤波EDGE的射频信号。
    • 15. 发明公开
    • 가변 레지스턴스 어레이 및 채널선택필터
    • 可变电阻阵列和通道选择滤波器
    • KR1020090127464A
    • 2009-12-14
    • KR1020080053458
    • 2008-06-09
    • (주)에프씨아이
    • 백승호정성헌황명운
    • H03H7/01H04B1/06
    • H03H11/1291H03H7/24H03H11/0472H04B1/06
    • PURPOSE: A variable resistance array and a channel selection filter are provided to expand a desired bandwidth and gain freely by implementing a resistance which is increased by same ratio with the resistors as many as the same number. CONSTITUTION: In a device, a first resistor array is composed of M resistors which are serially connected. Total resistance of the resistances which are serially connected of the first resistor array is same as a basic resistor(Ru). A second resistor array is composed of M resistors which are serially connected. Total resistance of the resistors serially connected in a second resistor array is double of the total resistance of the first resistor array. The N resistor array is composed of M resistors which are serially connected. The total resistance of the resistors serially connected at the N resistor array is double of the total resistance value of the resistor array. A plurality of switches(SW00~SW24) has one side connected to a common node of resistors which are connected in series and the other side which is connected in common.
    • 目的:提供可变电阻阵列和通道选择滤波器,以通过实现与多个相同数量的电阻器增加相同比例的电阻来扩展期望的带宽和自由获得。 构成:在器件中,第一个电阻阵列由串联连接的M个电阻组成。 与第一电阻阵列串联连接的电阻的总电阻与基本电阻(Ru)相同。 第二电阻阵列由串联连接的M个电阻组成。 在第二电阻阵列中串联连接的电阻器的总电阻是第一电阻器阵列的总电阻的两倍。 N电阻阵列由串联连接的M个电阻组成。 在N电阻阵列处串联连接的电阻器的总电阻是电阻阵列总电阻值的两倍。 多个开关(SW00〜SW24)具有连接到串联的电阻器的公共节点和共同连接的另一侧的一侧。
    • 17. 发明公开
    • 디지털 라디오
    • 高定义无线电
    • KR1020090096903A
    • 2009-09-15
    • KR1020080021984
    • 2008-03-10
    • 엘지이노텍 주식회사
    • 박용채
    • H04H40/18
    • H04H40/18H04B1/06H04H40/45H04H60/17H04H60/27
    • A digital radio in which a television program is stored is provided to download and sore broadcasting contents which is not stored by receiving error when storing desired broadcasting program. A tuner(11) tunes the high frequency signal at the broadcasting channel signal. An analog front end(12) converts the broadcasting channel signal of tuner into the digital signal. A DSP(Digital Signal Processor)(13) demodulates the digital signal into the audio signal. A DSP(Digital Signal Processor) outputs the audio signal. An MCU(Micro Controller Unit)(15) controls DSP. A memory(14) stores an algorithm and the necessary received data in the operation of DSP. A memory card stores the television program and additional information of the audio signal.
    • 提供存储电视节目的数字无线电,用于下载和播放在存储所需广播节目时不通过接收错误而存储的广播内容。 调谐器(11)调谐广播频道信号的高频信号。 模拟前端(12)将调谐器的广播频道信号转换为数字信号。 DSP(数字信号处理器)(13)将数字信号解调成音频信号。 DSP(数字信号处理器)输出音频信号。 MCU(微控制器单元)(15)控制DSP。 存储器(14)在DSP的操作中存储算法和必要的接收数据。 存储卡存储电视节目和音频信号的附加信息。
    • 19. 发明公开
    • 차량의 방송신호 수신 시스템 및 방법
    • 用于在车辆中接收广播信号的系统和方法
    • KR1020090083102A
    • 2009-08-03
    • KR1020080009074
    • 2008-01-29
    • 주식회사 현대오토넷
    • 안중곤
    • H04H40/18
    • H04H40/18H04B1/06H04H20/53H04N5/50
    • A system and a method for receiving a broadcast signal in a vehicle are provided to enable a vehicle to transmit a broadcasting signal through wireless communication and control the tuning of the broadcasting frequency. A broadcasting receiver(110) tunes a broadcasting frequency received to a vehicle according to a tuning control signal received through wireless communication and transmits the broadcasting signal of the tuned broadcasting frequency through the wireless communication. A head unit(120) outputs the broadcasting signal transmitted from the broadcasting receiver through the wireless communication and transmits the tuning control signal to the broadcasting receiver through the wireless communication.
    • 提供一种用于在车辆中接收广播信号的系统和方法,以使得车辆能够通过无线通信发送广播信号并且控制广播频率的调谐。 广播接收机(110)根据通过无线通信接收到的调谐控制信号调谐接收到的车辆的广播频率,并通过无线通信发送调谐广播频率的广播信号。 头单元(120)通过无线通信输出从广播接收机发送的广播信号,并通过无线通信将调谐控制信号发送到广播接收机。