KR20030096650A - Fm transmitter for linking audio - Google Patents

Fm transmitter for linking audio Download PDF

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Publication number
KR20030096650A
KR20030096650A KR1020020033628A KR20020033628A KR20030096650A KR 20030096650 A KR20030096650 A KR 20030096650A KR 1020020033628 A KR1020020033628 A KR 1020020033628A KR 20020033628 A KR20020033628 A KR 20020033628A KR 20030096650 A KR20030096650 A KR 20030096650A
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South Korea
Prior art keywords
signal
audio
transmitter
player
voice signal
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KR1020020033628A
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Korean (ko)
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부유준
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주식회사 팬택앤큐리텔
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Priority to KR1020020033628A priority Critical patent/KR20030096650A/en
Publication of KR20030096650A publication Critical patent/KR20030096650A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • B01D46/0045—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding by using vanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes

Abstract

PURPOSE: An FM transmission device for an audio link is provided to include an FM transmitter mounted on a hands-free unit, inputting a voice signal from an MP3 player, modulating the voice signal into an FM signal, and transmitting the FM signal to an external car audio, thereby enabling a user to enjoy excellent stereo sounds. CONSTITUTION: An MP3 player(110) converts MP3 data into a voice signal, and outputs the voice signal to an FM transmitter(120). The FM transmitter(120) mounted on a hands-free unit inputs the voice signal to modulate the signal into an FM signal, and transmits the FM signal to an external car audio. The FM transmitter(120) includes a modulator(121), an amplifier(122), and a transmission unit(123). The modulator(121) inputs the voice signal, modulates the signal into the FM signal, and outputs the FM signal to the amplifier(122). The amplifier(122) inputs the modulated signal to amplify the signal, and outputs the amplified signal to the transmission unit(123). The transmission unit(123) inputs the amplified signal, and outputs the inputted signal to the car audio.

Description

오디오 링크용 ＦＭ 송신 장치{FM TRANSMITTER FOR LINKING AUDIO}FM transmitter for audio link {FM TRANSMITTER FOR LINKING AUDIO}

본 발명은 오디오 링크용 ＦＭ 송신 장치에 관한 것으로, MP3 플레이어를 내장한 휴대폰에 있어서, 카오디오를 무선으로 연결함으로써, 강력하고 음질이 뛰어난 음악을 청취할 수 있는 오디오 링크용 ＦＭ 송신 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an FM transmission apparatus for an audio link, and more particularly, to an FM transmission apparatus for an audio link capable of listening to powerful and high-quality music by wirelessly connecting car audio in a cellular phone having an MP3 player. .

일반적으로, 엠펙 계층 3(MPEG layer 3 ; 이하 MP3)는 압축비가 12:1인 오디오 코덱의 한 형태로， 일반 웨이브 파일에 비해 크기가 10분의 1이면서 CD 수준의 음질(16bits, 44.1kHz)을 구현할 수 있는 오디오 파일 포맷이며, MPEG 오디오는 압축 비에 따라 계층 1은 4:1, 계층 2는 8:1, 계층 3은 12:1로 나누고 있다.In general, MPEG layer 3 (MP3) is a type of audio codec with a compression ratio of 12: 1, which is one tenth the size of a normal wave file and has CD quality (16bits, 44.1kHz). MPEG audio is divided into 4: 1, 4: 1 for layer 1, 8: 1 for layer 2, and 12: 1 for layer 3, depending on the compression ratio.

종래의 차량용 핸즈프리는 차안에서 마이크와 스피커를 이용한 핸즈프리 기능과 충전 기능만 갖고 있다. 또한 종래의 MP3 플레이어 휴대폰은 이어폰을 이용하는 제약이 있어 오디오 음질에 한계가 있고, 배터리 사용 시간에 제약을 받는 문제점이 있다.The conventional vehicle handsfree has only a handsfree function and a charging function using a microphone and a speaker in a car. In addition, the conventional MP3 player mobile phone has a limitation of using audio earphones because of the limitation of using the earphone, there is a problem of being limited in the battery usage time.

상기 문제점을 해결하기 위하여 안출된 본 발명은 핸즈프리 또는 핸드폰 내에 FM 송신기를 장착함으로써, 카오디오를 무선으로 연결하여 강력하고 음질이 뛰어난 입체 음향을 즐길 수 있는 오디오 링크용 ＦＭ 송신 장치를 제공하는데 그 목적이 있다.The present invention devised to solve the above problems is to provide a FM transmitter for an audio link that can enjoy a powerful and sound quality stereo sound by wirelessly connecting the car audio by mounting the FM transmitter in the hands-free or mobile phone There is this.

도 1은 본 발명의 일 실시예에 의한 핸즈프리 내에 장착된 오디오 링크용 ＦＭ 송신 장치를 나타낸 블록도,1 is a block diagram showing an FM transmission apparatus for an audio link mounted in a hands-free according to one embodiment of the present invention;

도 2는 본 발명의 일 실시예에 의한 휴대폰 내에 장착된 오디오 링크용 ＦＭ 송신 장치를 나타낸 블록도2 is a block diagram showing an FM transmission apparatus for an audio link mounted in a mobile phone according to an embodiment of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

110 : MP3 플레이어110: MP3 Player

120 : FM 송신 수단120: FM transmission means

상기 목적을 달성하기 위하여 본 발명의 오디오 링크용 ＦＭ 송신 장치는, 휴대폰 단말기 내에 장착되어, MP3 데이터를 음성 신호로 변환하는 MP3 플레이어; 및 핸즈프리 내에 장착되어, 상기 MP3 플레이어에서 음성 신호를 입력받아 FM 신호로 변조하여 외부의 카오디오로 송신하는 FM 송신 수단을 포함한다.In order to achieve the above object, the FM transmission apparatus for an audio link of the present invention comprises: an MP3 player mounted in a cellular phone terminal for converting MP3 data into a voice signal; And FM transmission means mounted in the hands-free, receiving an audio signal from the MP3 player, modulating the voice signal into an FM signal, and transmitting the external audio signal to an external car audio.

이하, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 본 발명의 기술적 사상을 용이하게 실시할 수 있을 정도로 상세히 설명하기 위하여 본 발명의 가장 바람직한 실시예들을 첨부된 도면을 참조하여 설명하기로 한다.DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art may easily implement the technical idea of the present invention. .

먼저, 도 1은 본 발명의 일 실시예에 의한 핸즈프리 내에 장착된 오디오 링크용 ＦＭ 송신 장치를 나타낸 블록도로서, 이러한 본 발명의 오디오 링크용 ＦＭ 송신 장치는, MP3 플레이어(110) 및 FM 송신 수단(120)을 포함하고 있다.First, Fig. 1 is a block diagram showing an FM transmitter for an audio link mounted in a hands-free according to an embodiment of the present invention. The FM transmitter for an audio link of the present invention includes an MP3 player 110 and an FM transmitter. It includes 120.

MP3 플레이어(110)는, 휴대폰 단말기 내에 장착되어 MP3 데이터를 음성 신호로 변환하여 후술하는 FM 송신 수단(120)으로 출력하는 역할을 한다.The MP3 player 110 is mounted in the mobile phone terminal and converts MP3 data into a voice signal and outputs the MP3 data to the FM transmitter 120 described later.

또한, FM 송신 수단(120)은, 핸즈프리 내에 장착되어, 상기 MP3 플레이어(110)에서 음성 신호를 입력받아 FM 신호로 변조하여 외부의 카오디오로 송신하는 역할을 한다. 여기서, 상기 FM 송신 수단(120)은, 변조부(121), 증폭기(122) 및 송신부(123)를 포함한다.In addition, the FM transmission unit 120 is mounted in the hands-free, receives the audio signal from the MP3 player 110 and modulates the FM signal to transmit to the external car audio. Here, the FM transmitter 120 includes a modulator 121, an amplifier 122, and a transmitter 123.

상기 FM 송신 수단(120) 내에 장착된 변조부(121)는, 상기 MP3 플레이어(110)에서 음성 신호를 입력받아 FM 신호로 변조하여 후술하는 증폭기(122)로 출력하는 역할을 한다.The modulator 121 mounted in the FM transmitter 120 serves to receive a voice signal from the MP3 player 110, modulate the voice signal into an FM signal, and output the same to an amplifier 122 to be described later.

또한, 상기 FM 송신 수단(120) 내에 장착된 증폭기(122)는, 상기 변조부(121)에서 변조 신호를 입력받아 증폭하여 후술하는 송신부(123)로 출력하는 역할을 한다.In addition, the amplifier 122 mounted in the FM transmitter 120 serves to amplify the modulated signal from the modulator 121 and output the amplified signal to the transmitter 123 which will be described later.

한편, 상기 FM 송신 수단(120) 내에 장착된 송신부(123)는, 상기 증폭기(122)에서 증폭 신호를 입력받아 안테나를 통하여 카오디오로 출력하는 역할을 한다.Meanwhile, the transmitter 123 mounted in the FM transmitter 120 receives the amplified signal from the amplifier 122 and outputs the amplified signal to the car audio through an antenna.

도 2는 본 발명의 일 실시예에 의한 핸즈프리 내에 장착된 오디오 링크용 ＦＭ 송신 장치를 나타낸 블록도로서, 이러한 본 발명의 오디오 링크용 ＦＭ 송신 장치는, MP3 플레이어(210) 및 FM 송신 수단(220)을 포함하고 있다.FIG. 2 is a block diagram showing an FM transmission apparatus for an audio link mounted in a hands-free according to an embodiment of the present invention. The FM transmission apparatus for an audio link according to the present invention includes an MP3 player 210 and an FM transmission means 220. ) Is included.

MP3 플레이어(210)는, 휴대폰 단말기 내에 장착되어 MP3 데이터를 음성 신호로 변환하여 후술하는 FM 송신 수단(220)으로 출력하는 역할을 한다.The MP3 player 210 is mounted in the mobile phone terminal and serves to convert MP3 data into a voice signal and output the same to the FM transmitter 220 described later.

또한, FM 송신 수단(220)은, 휴대폰 단말기 내에 장착되어, 상기 MP3 플레이어(210)에서 음성 신호를 입력받아 FM 신호로 변조하여 외부의 카오디오 또는 홈 오디오로 송신하는 역할을 한다. 여기서, 상기 FM 송신 수단(220)은, 변조부(221), 증폭기(222) 및 송신부(223)를 포함한다.In addition, the FM transmission unit 220 is mounted in the mobile phone terminal, and receives the audio signal from the MP3 player 210 and modulates the FM signal to transmit external car audio or home audio. In this case, the FM transmitter 220 includes a modulator 221, an amplifier 222, and a transmitter 223.

상기 FM 송신 수단(220) 내에 장착된 변조부(221)는, 상기 MP3 플레이어(210)에서 음성 신호를 입력받아 FM 신호로 변조하여 후술하는 증폭기(222)로 출력하는 역할을 한다.The modulator 221 mounted in the FM transmitter 220 serves to receive a voice signal from the MP3 player 210, modulate the voice signal into an FM signal, and output the same to an amplifier 222 which will be described later.

또한, 상기 FM 송신 수단(220) 내에 장착된 증폭기(222)는, 상기 변조부(221)에서 변조 신호를 입력받아 증폭하여 후술하는 송신부(223)로 출력하는 역할을 한다.In addition, the amplifier 222 mounted in the FM transmitter 220 serves to amplify the modulated signal from the modulator 221 and output the amplified signal to the transmitter 223 to be described later.

한편, 상기 FM 송신 수단(220) 내에 장착된 송신부(223)는, 상기 증폭기(222)에서 증폭 신호를 입력받아 안테나를 통하여 카오디오 홈 오디오로 출력하는 역할을 한다.Meanwhile, the transmitter 223 mounted in the FM transmitter 220 receives the amplified signal from the amplifier 222 and outputs the amplified signal to the car audio home audio through an antenna.

상술한 본 발명의 오디오 링크용 FM 송신 장치의 동작에 관하여 설명하면 아래와 같다.The operation of the above-described FM transmitter for audio link of the present invention will be described below.

핸즈프리 내에 장착된 FM 송신 수단(120)을 구성하여 휴대폰(혹은 휴대용 MP3 플레이어, MDP, CDP) 내에 장착된 MP3 플레이어(110)에서 이어 잭을 통해 들어온 음성 신호를 스테레오용 FM 송신 수단(120)을 통해 송신한다. 핸즈프리와 FM 주파수가 링크된 카오디오가 이 송신 신호를 수신하여 카 스피커를 통해 음악을 청취하도록 한다.By configuring the FM transmitter 120 mounted in the hands-free, the MP3 player 110 mounted in the mobile phone (or portable MP3 player, MDP, CDP) receives the audio signal received through the ear jacks. Send via Car audio with hands-free and FM frequencies linked to receive this transmission and listen to music through the car speakers.

또한, 오디오 기능을 갖고 있는 휴대폰에 FM 송신 수단(220)을 내장하여 폰 내부의 MP3 플레이어(210)에서 나오는 음성 신호를 입력받는다. 이 입력된 음성 신호는 FM 송신 수단(220)을 통해 송신되고, 휴대폰과 FM 주파수가 링크된 카오디오 또는 홈 오디오가 이 송신 신호를 수신하여 스피커를 통해 음악을 청취하게 한다.In addition, a built-in FM transmitter 220 in a mobile phone having an audio function receives a voice signal from the MP3 player 210 inside the phone. This input voice signal is transmitted through the FM transmission means 220, and the car audio or home audio, to which the cellular phone and the FM frequency are linked, receives this transmission signal and listens to music through the speaker.

이상에서 설명한 본 발명은, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 있어 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지로 치환, 변형 및 변경이 가능하므로 전술할 실시예 및 첨부된 도면에 한정되는 것이 아니다.As described above, the present invention can be substituted, modified, and changed in various ways without departing from the technical spirit of the present invention by those skilled in the art. It is not limited to the drawings shown.

본 발명은 음악을 이어폰만으로 청취할 수 있는 제약을 갖는 기존의 MP3 플레이어 내장 장치와는 달리, 그러한 제약에서 벗어나 카오디오나 홈 오디오 시스템을 이용하여 다양하고 업그레이드된 오디오 음향을 즐길 수 있는 이점이 있다.The present invention, unlike the conventional MP3 player built-in device that can listen to music only with earphones, there is an advantage that can enjoy a variety of upgraded audio sound using a car audio or home audio system to overcome such restrictions .

Claims (6)

휴대폰 단말기 내에 장착되어, MP3 데이터를 음성 신호로 변환하는 MP3 플레이어; 및An MP3 player mounted in a mobile phone terminal for converting MP3 data into a voice signal; And 핸즈프리 내에 장착되어, 상기 MP3 플레이어에서 음성 신호를 입력받아 FM 신호로 변조하여 외부의 카오디오로 송신하는 FM 송신 수단FM transmission means mounted in the hands-free, receiving an audio signal from the MP3 player, modulating it into an FM signal and transmitting it to an external car audio 을 포함하는 것을 특징으로 하는 오디오 링크용 FM 송신 장치.FM transmission device for an audio link, comprising a. 제1항에 있어서, 상기 FM 송신 수단은,The method of claim 1, wherein the FM transmission means, 상기 MP3 플레이어에서 음성 신호를 입력받아 FM 신호로 변조하는 변조부;A modulator for receiving a voice signal from the MP3 player and modulating the voice signal into an FM signal; 상기 변조부에서 변조 신호를 입력받아 증폭하는 증폭기; 및An amplifier for receiving and amplifying a modulated signal from the modulator; And 상기 증폭기에서 증폭 신호를 입력받아 안테나를 통하여 카오디오로 출력하는 송신부Transmitter receiving the amplified signal from the amplifier and outputs to the car audio through the antenna 를 포함하는 것을 특징으로 하는 오디오 링크용 FM 송신 장치.FM transmission apparatus for an audio link comprising a. 제1항에 있어서,The method of claim 1, 상기 MP3 플레이어 및 상기 FM 송신 수단은 CDP 또는 MDP 내에 장착된The MP3 player and the FM transmitting means are mounted in a CDP or MDP. 것을 특징으로 하는 오디오 링크용 FM 송신 장치.An FM transmitter for audio link, characterized in that. 휴대폰 단말기 내에 장착되어, MP3 데이터를 음성 신호로 변환하는 MP3 플레이어; 및An MP3 player mounted in a mobile phone terminal for converting MP3 data into a voice signal; And 휴대폰 단말기 내에 장착되어, 상기 MP3 플레이어에서 음성 신호를 입력받아 FM 신호로 변조하여 외부의 카오디오 또는 홈 오디오로 송신하는 FM 송신 수단FM transmitter which is mounted in a mobile phone terminal and receives an audio signal from the MP3 player and modulates it into an FM signal and transmits it to external car audio or home audio. 을 포함하는 것을 특징으로 하는 오디오 링크용 FM 송신 장치.FM transmission device for an audio link, comprising a. 제4항에 있어서, 상기 FM 송신 수단은,The method of claim 4, wherein the FM transmission means, 상기 MP3 플레이어에서 음성 신호를 입력받아 FM 신호로 변조하는 변조부;A modulator for receiving a voice signal from the MP3 player and modulating the voice signal into an FM signal; 상기 변조부에서 변조 신호를 입력받아 증폭하는 증폭기; 및An amplifier for receiving and amplifying a modulated signal from the modulator; And 상기 증폭기에서 증폭 신호를 입력받아 안테나를 통하여 카오디오 또는 홈 오디오로 출력하는 송신부Transmitter receiving the amplified signal from the amplifier and outputs to the car audio or home audio through the antenna 를 포함하는 것을 특징으로 하는 오디오 링크용 FM 송신 장치.FM transmission apparatus for an audio link comprising a. 제4항에 있어서,The method of claim 4, wherein 상기 MP3 플레이어 또는 FM 송신 수단은 CDP 또는 MDP 내에 장착된The MP3 player or FM transmitting means is mounted in a CDP or MDP. 것을 특징으로 하는 오디오 링크용 FM 송신 장치.An FM transmitter for audio link, characterized in that.
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