KR200375494Y1 - frequency modulation transmitter for mobile phone - Google Patents
frequency modulation transmitter for mobile phone Download PDFInfo
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- KR200375494Y1 KR200375494Y1 KR20-2004-0030899U KR20040030899U KR200375494Y1 KR 200375494 Y1 KR200375494 Y1 KR 200375494Y1 KR 20040030899 U KR20040030899 U KR 20040030899U KR 200375494 Y1 KR200375494 Y1 KR 200375494Y1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/34—Microprocessors
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Abstract
본 고안은 MP3핸드폰 내에 FM방송주파수를 송출하는 FM송신모듈을 구성하여 MP3핸드폰에서 재생되는 MP3사운드를 FM주파수로 송출하는 기능을 가진 MP3핸드폰용 FM송신모듈에 관한 것으로,The present invention relates to an FM transmitting module for an MP3 mobile phone having a function of transmitting an FM broadcasting frequency for transmitting an FM broadcasting frequency in an MP3 mobile phone and transmitting the MP3 sound played in the MP3 mobile phone to an FM frequency.
FM송신모듈(10)은 MP3핸드폰(20)내에 구성된 제어부(21)의 제어에 의해 스테레오증폭부(31)에서 전달되는 MP3 사운드를 특정한 주파수로 변조하여 FM주파수송신부(12)로 전달하는 FM주파수제어부(11)가 구성되고,The FM transmitter module 10 modulates the MP3 sound transmitted from the stereo amplifier 31 to a specific frequency under the control of the control unit 21 configured in the MP3 mobile phone 20 and transmits the FM frequency to the FM frequency transmitter 12. The control unit 11 is configured,
FM주파수제어부(11)에서 전달된 FM주파수를 증폭하여 안테나스위칭부(13)로 전달하는 FM주파수송신부(12)가 구성되며,An FM frequency transmitter 12 is configured to amplify the FM frequency transmitted from the FM frequency controller 11 and transmit it to the antenna switching unit 13.
이동통신송수신부(28)에서 전달되는 핸드폰주파수와, FM주파수송신부(12)에서 전달되는 FM주파수중 어느 하나를 선택하여 안테나(34)로 송출하는 안테나스위칭부(13)가 구성되어 있다.An antenna switching unit 13 is configured to select one of a cell phone frequency transmitted from the mobile communication transmitter and receiver 28 and an FM frequency transmitted from the FM frequency transmitter 12 to transmit to the antenna 34.
Description
본 고안은 MP3핸드폰 내에 FM방송주파수를 송출하는 FM송신모듈을 구성하여 MP3핸드폰에서 재생되는 MP3사운드를 FM주파수로 송출하는 기능을 가진 MP3핸드폰용 FM송신모듈에 관한 것이다.The present invention relates to an FM transmitter module for an MP3 mobile phone having a function of transmitting an FM broadcast frequency to an FM frequency by constructing an FM transmitter module for transmitting an FM broadcast frequency in the MP3 mobile phone.
최근 핸드폰은 단순한 통화기능 이외에, 디지털카메라(digital camera), PDA(personal digital assistants), 및 MP3(MPEG Audio Layer-3)등의 기능을 추가시키고 있으며, 이외에 다양한 기능이 부가된 멀티미디어(multimedia]) 기능을 갖춘 핸드폰으로 개발 및 사용되고 있으며, 실제로 이러한 다양한 멀티미디어 기능을 갖춘 핸드폰을 많은 사람들이 선택하여 사용하고 있는 추세이다. Recently, mobile phones have added functions such as digital cameras, personal digital assistants (PDAs), and MP3 (MPEG Audio Layer-3), in addition to simple call functions. It is being developed and used as a mobile phone with functions, and in fact, many people are using mobile phones with various multimedia functions.
이러한 다양한 멀티미디어 기능중 사운드를 재생할 수 있는 MP3 기능은 사운드데이터를 압축하여 데이터의 크기가 작으면서도 음질의 손상이 적은 오디오압축규격(MPEG Audio Layer-3)으로 처리된 데이터를 말하며, 간단히 인코딩 및 디코딩이 가능하고 인터넷에서 MP3 데이터를 쉽게 구할 수 있으므로, 최근 음악CD를 대신하는 매체로 자리 잡고 있으며, 이러한 MP3 데이터를 저장하고 이를 재생하는 기능을 갖춘 MP3핸드폰이 젊은이들 사이에 큰 인기를 누리고 있다.Among these various multimedia functions, the MP3 function that can play sound refers to data processed by the MPEG Audio Layer-3, which compresses the sound data and has a small size and low damage of sound quality, and is simply encoded and decoded. With the availability of MP3 data available on the Internet, and as an alternative to music CDs, MP3 handsets with the ability to store and play back MP3 data are gaining popularity among young people.
그러나 이러한 MP3핸드폰에서의 재생되는 MP3사운드는 사운드출력이 낮아 일반스피커에 비해 음질이 떨어지는 이어폰 또는 MP3핸드폰 내장스피커으로 밖에 들을 수 없어, 자동차용 오디오나 일반오디오로 고음질의 MP3사운드를 들을 수 없는 단점이 있으며, However, the MP3 sound that is played on the MP3 mobile phone has a low sound output and can only be listened to by earphones or MP3 phone built-in speakers, which have lower sound quality than the general speaker, and thus, high-quality MP3 sound can not be heard through car audio or general audio. There are,
이에 대한 해결책으로 오디오와 MP3핸드폰을 연결하는 연결짹으로 서로를 연결하여 오디오로 MP3사운드의 청취가 가능하나, 유선으로 연결하여아 하는 특성상 사용이 제한적이고 불편한 단점이 있다.As a solution to this, it is possible to listen to the MP3 sound by audio by connecting each other with a connecting tweet connecting the audio and the MP3 mobile phone, but it is limited in use and inconvenient due to the nature of connecting by wire.
본 고안은 이러한 문제점을 감안하여 고안한 것으로서 MP3핸드폰에서 재생되는 사운드를 FM주파수로 송출하고, 이를 FM 수신이 가능한 오디오나 차량용오디오로 수신한 후, 증폭부와 스피커를 통해 출력함으로서, 이어폰이나 내장스피커에서 들을 수 없는 고음질의 사운드를 들을 수 있게 고안한 것이다. The present invention was devised in view of the above-mentioned problems, and the sound played in the MP3 mobile phone is transmitted to the FM frequency, and the FM reception is possible to receive audio or car audio, and then output through the amplifier and the speaker, earphones or built-in It is designed to hear high quality sound that cannot be heard from the speaker.
상기 목적을 달성하기 위한 본 고안은 MP3데이터의 재생이 가능한 일반적인 MP3핸드폰(20)에, 제어부(21) 및 스테레오증폭부(31)와 연동되는 FM송신모듈(10)을 MP3핸드폰(20)내에 추가로 구성한 것으로,The present invention for achieving the above object is a general MP3 mobile phone 20 capable of reproducing the MP3 data, the FM transmitter module 10 in conjunction with the control unit 21 and the stereo amplifier 31 in the MP3 mobile phone 20 Additionally configured,
FM송신모듈(10)은 MP3핸드폰(20)내에 구성된 제어부(21)의 제어에 의해 스테레오증폭부(31)에서 전달되는 MP3 사운드를 특정한 주파수로 변조하여 FM주파수송신부(12)로 전달하는 FM주파수제어부(11)가 구성되고,The FM transmitter module 10 modulates the MP3 sound transmitted from the stereo amplifier 31 to a specific frequency under the control of the control unit 21 configured in the MP3 mobile phone 20 and transmits the FM frequency to the FM frequency transmitter 12. The control unit 11 is configured,
FM주파수제어부(11)에서 전달된 FM주파수를 증폭하여 안테나스위칭부(13)로 전달하는 FM주파수송신부(12)가 구성되며,An FM frequency transmitter 12 is configured to amplify the FM frequency transmitted from the FM frequency controller 11 and transmit it to the antenna switching unit 13.
이동통신송수신부(28)에서 전달되는 핸드폰주파수와, FM주파수송신부(12)에서 전달되는 FM주파수중 어느 하나를 선택하여 안테나(34)로 송출하는 안테나스위칭부(13)가 구성되어 있다.An antenna switching unit 13 is configured to select one of a cell phone frequency transmitted from the mobile communication transmitter and receiver 28 and an FM frequency transmitted from the FM frequency transmitter 12 to transmit to the antenna 34.
이하 본 고안의 실시예를 첨부도면에 따라 상세히 설명하면 다음과 같다. Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
일반적으로 사운드저장부(26)에 저장된 MP3데이터의 재생이 가능한 MP3핸드폰(20)은 도 1에 도시한 바와 같이 제어부(21)에 의해 제어되는 일반적인 핸드폰의 구성인 표시부(22), 키패드(23), 마이크(24), data I/O port(25), 데이터입력부(27), 데이터저장부(29) 및 이동통신 기지와의 데이터 통신을 위한 무선송수신부인 이동통신송수신부(28)가 구성되어 있으며,In general, the MP3 mobile phone 20 capable of reproducing the MP3 data stored in the sound storage unit 26 has a display unit 22 and a keypad 23 which are components of a general mobile phone controlled by the control unit 21 as shown in FIG. 1. ), A microphone 24, a data I / O port 25, a data input unit 27, a data storage unit 29, and a mobile communication transmitter and receiver 28 which is a wireless transmitter and receiver for data communication with a mobile communication base. It is
역시 제어부(21)에 의해 제어되는 사운드저장부(26), 스테레오증폭부(31), 이어폰잭(32), 내장스피커(33) 및 사운드저장부(26)에 저장된 MP3데이터를 재생하는 MP3재생부(30)로 구성되어 있다.MP3 playback for reproducing MP3 data stored in the sound storage unit 26, the stereo amplifier unit 31, the earphone jack 32, the built-in speaker 33 and the sound storage unit 26, which is also controlled by the control unit 21. It is comprised by the part 30.
이러게 구성된 MP3핸드폰은 통상적인 이동전화기능 이외에 MP3데이터 재생을 위한 다음과 같은 구성을 가진다. The MP3 mobile phone thus configured has the following configuration for playing MP3 data in addition to the normal mobile phone function.
사운드저장부(26)에 저장된 MP3 데이터를 제어부(21)의 제어에 따라 MP3재생부(30)가 재생하고, 이를 스테레오증폭부(31)를 통해 이어폰잭(32), 또는 내장스피커(33)으로 전달하면, 사용자는 이어폰 또는 내장스피커(33)를 통해 MP3 사운드를 듣게 된다.The MP3 playback unit 30 reproduces the MP3 data stored in the sound storage unit 26 under the control of the control unit 21, and the earphone jack 32 or the built-in speaker 33 through the stereo amplifier 31. When delivered to, the user will hear the MP3 sound through the earphone or built-in speaker 33.
이러한 MP3 사운드는 사용자의 귀에 삽입하는 이어폰 또는 휴대전화 내에 내장된 내장스피커(33)를 통해 청취가 가능한데 작은 스피커유닛의 특성상 중저음을 제대로 살리지 못하여 음질이 크게 떨어지는 단점이 있으며, 오디오기기와 MP3핸드폰(20)을 연결잭으로 연결하여 MP3핸드폰(20)에서 재생되는 MP3사운드를 오디오로 출력이 가능하나 유선으로 연결해 하므로 사용에 제약이 따르고 불편한 단점이 있다.The MP3 sound can be listened to through the built-in speaker 33 embedded in the earphone or the mobile phone inserted into the user's ear. However, due to the characteristics of the small speaker unit, the sound quality is greatly reduced because it does not properly utilize the bass sound. It is possible to output MP3 sound played by the MP3 mobile phone 20 as audio by connecting the connection jack 20, but it is restricted in use and inconvenient because it is connected by wire.
따라서 MP3재생부(30)에서 재생된 MP3 사운드를 FM수신오디오(40)가 수신이 가능한 스테레오 FM주파수로 변조하여 송출하는 FM송신모듈(10)을 MP3핸드폰(20) 내에 추가로 구성하여, Therefore, by additionally configuring the FM transmission module 10 in the MP3 mobile phone 20 to modulate and transmit the MP3 sound reproduced by the MP3 playback unit 30 to a stereo FM frequency that can be received by the FM receiving audio 40,
MP3핸드폰(20)에서 재생되는 사운드를 스테레오 FM주파수로 송출하고, 이 FM 주파수를 FM수신오디오(40)로 수신한후 증폭하여 스피커로 출력함으로서 고음질로 재생되는 MP3사운드를 청취할 수 있도록 한 FM송신모듈(10)의 구성은 다음과 같다. FM to play the sound reproduced by the MP3 mobile phone 20 to the stereo FM frequency, and then the FM frequency received by the FM receiving audio 40, amplified and output to the speaker to listen to the MP3 sound reproduced with high quality sound The configuration of the transmission module 10 is as follows.
FM송신모듈(10)은 MP3핸드폰(20)의 제어부(21)의 제어에 의해 작동되며, MP3핸드폰 설계, 제작시 MP3핸드폰에 모듈형태로 추가 구성되는 것으로, 그 구성은 크게 FM주파수제어부(11), FM주파수송신부(12) 및 안테나스위칭부(13)로 구성된다.The FM transmission module 10 is operated by the control of the control unit 21 of the MP3 mobile phone 20, and when the MP3 mobile phone design and manufacture is additionally configured in the form of a module to the MP3 mobile phone, the configuration is largely FM frequency control unit 11 ), An FM frequency transmitter 12 and an antenna switching unit 13.
FM주파수제어부(11)는 MP3재생부(30)에서 재생된 사운드를 스테레오증폭부(31)가 증폭하고, 이 증폭된 사운드신호를 전달받아 제어부(21)에서 지정한 특정 FM주파수로 변조하여 FM주파수송신부(11)에 전달한다. The FM frequency controller 11 amplifies the sound reproduced by the MP3 playback unit 30 by the stereo amplification unit 31, receives the amplified sound signal, modulates the signal to a specific FM frequency designated by the controller 21, and then the FM frequency. It transfers to the transmitter 11.
특정 FM주파수의 설정은 키패드(23)와 표시부(22)를 이용해 사용자가 여러 주파수중 FM방송주파수 또는 잡음이 발생되는 주파수를 제외한 어느 하나의 FM주파수를 선택하여 제어부(21)에 저장하고, FM주파수제어부(11)는 제어부(21)에 저장된 특정 FM주파수로 전달된 사운드신호를 변조한다.To set a specific FM frequency, the user selects any one of FM frequencies except FM broadcasting frequency or frequency from which noise is generated using the keypad 23 and the display unit 22, and stores them in the control unit 21, and FM. The frequency controller 11 modulates a sound signal transmitted at a specific FM frequency stored in the controller 21.
이때 선택가능한 FM주파수대는 우리나라 표준FM 방송주파수인 88~108Mhz 사이에 설정하도록 구성하는것이 바람직하다.At this time, the selectable FM frequency band is preferably configured to be set between 88 ~ 108Mhz, which is Korea's standard FM broadcasting frequency.
MP3주파수송신부(12)는 FM주파수제어부(11)에서 전달된 특정 FM주파수를 안테나스위칭부(13)를 통해 안테나(34)로 FM주파수로 송출한다The MP3 frequency transmitter 12 transmits a specific FM frequency transmitted from the FM frequency controller 11 to the antenna 34 through the antenna switching unit 13 as an FM frequency.
안테나스위칭부(13)는 이동통신송신부(28)에서 전달되는 핸드폰주파수와 FM주파수송신부(12)에서 전달되는 주파수중 어느 하나를 선택하여 안테나(34)로 송출하는 것으로 이동통신송수신부(28)에서 전달되는 핸드폰주파수가 우선귄을 갖도록 구성한다.The antenna switching unit 13 transmits to the antenna 34 by selecting any one of a cell phone frequency transmitted from the mobile communication transmitter 28 and a frequency transmitted from the FM frequency transmitter 12 and transmitting the same to the antenna 34. Cell phone frequency delivered from is configured to have a priority penguin.
이러한 안테나스위칭부(13)는 핸드폰주파수(800MHz, 또는 1.8GHz)와 FM주파수(88~108Mhz)중 어느 하나를 선택하여 안테나(34)에 전달하는 것으로, 하나의 안테나(34)로 모든 주파수를 동시에 송신할 수 없는 문제를 해결하기 위해 사용되는 것이며, 이동통신송수신부(28)에서 전달되는 핸드폰주파수가 우선적으로 선택되어 송출하도록 함으로서 MP3핸드폰 통화에 아무런 문제가 발생하지 않는다. The antenna switching unit 13 selects one of a cell phone frequency (800 MHz, or 1.8 GHz) and an FM frequency (88-108 Mhz) and transmits it to the antenna 34, and transmits all frequencies with one antenna 34. It is used to solve the problem that can not be transmitted at the same time, the cell phone frequency transmitted from the mobile communication transmitter and receiver 28 is selected first to transmit the problem does not occur in the MP3 mobile phone call.
이상에서 서술한 바와 같이 통상의 MP3핸드폰에 MP3핸드폰용 FM송신모듈을 추가로 구성하여, MP3핸드폰에서 재생되는 고음질의 사운드를 FM주파수로 송출함으로서,As described above, by additionally configuring an FM transmitter module for an MP3 mobile phone in addition to a conventional MP3 mobile phone, and transmitting high-quality sound reproduced by the MP3 mobile phone at an FM frequency,
별도의 추가 장치없이 MP3핸드폰에서 재생되는 사운드를 FM주파수 수신이 가능한 일반 오디오나 카오디오로 수신하여 출력 함으로서 고음질의 사운드를 간편하게 청취할 수 있으며,You can listen to high quality sound easily by receiving and outputting sound played on MP3 mobile phone as general audio or car audio that can receive FM frequency without any additional device.
사용자가 특정FM 주파수로 선택하여 송출이 가능하므로, 혼선이나 잡음의 우려가 없고,The user can select and send a specific FM frequency, so there is no fear of crosstalk or noise.
MP3핸드폰 통화시 자동으로 FM주파수의 송출을 차단하므로 통화시 아무런 불편함이 없는 장점이 있다. MP3 cell phone automatically cuts out FM frequency, so there is no inconvenience when talking.
도 1은 본 고안 MP3핸드폰용 FM송신모듈이 MP3핸드폰에 장착되어 작동되는 상태를 나타낸 회로 구성도.1 is a circuit diagram showing a state in which the FM transmitter module for an MP3 mobile phone of the present invention is mounted and operated in an MP3 mobile phone.
<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>
10: FM송신모듈10: FM transmission module
11: FM주파수제어부11: FM frequency controller
12: FM주파수송신부12: FM frequency transmitter
13: 안테나스위칭부13: antenna switching part
20: MP3핸드폰20: MP3 Cell Phone
21: 제어부21: control unit
22: 표시부22: display unit
23: 키패드23: keypad
24: 마이크24: microphone
25: data I/O port25: data I / O port
26: 사운드저장부26: sound storage
27: 데이터입력부27: data input unit
28: 이동통신송수신부28: mobile communication transmitter and receiver
29: 데이터저장부29: data storage
30: MP3재생부30: MP3 playback unit
31: 스테레오증폭부31: stereo amplifier
32: 이어폰잭32: earphone jack
33: 내장스피커33: built-in speaker
34: 안테나34: antenna
40: FM수신오디오40: FM receiving audio
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2004-0030899U KR200375494Y1 (en) | 2004-11-02 | 2004-11-02 | frequency modulation transmitter for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2004-0030899U KR200375494Y1 (en) | 2004-11-02 | 2004-11-02 | frequency modulation transmitter for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR200375494Y1 true KR200375494Y1 (en) | 2005-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20-2004-0030899U Expired - Fee Related KR200375494Y1 (en) | 2004-11-02 | 2004-11-02 | frequency modulation transmitter for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR200375494Y1 (en) |
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2004
- 2004-11-02 KR KR20-2004-0030899U patent/KR200375494Y1/en not_active Expired - Fee Related
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