KR19990013833U - Wireless Headphones for Satellite Broadcasting - Google Patents
Wireless Headphones for Satellite Broadcasting Download PDFInfo
- Publication number
- KR19990013833U KR19990013833U KR2019970027146U KR19970027146U KR19990013833U KR 19990013833 U KR19990013833 U KR 19990013833U KR 2019970027146 U KR2019970027146 U KR 2019970027146U KR 19970027146 U KR19970027146 U KR 19970027146U KR 19990013833 U KR19990013833 U KR 19990013833U
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- voice
- signal
- broadcast
- demodulator
- amplifying
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
본 고안은 위성수신 텔레비젼과 무선으로 연결되어 방송음성신호를 청취할 수 있도록 하는 동시에 마이크를 부착하여 자기음성 확인 기능을 갖도록 개선한 위성방송용 무선헤드폰에 관한 것으로서,The present invention relates to a satellite headphone wireless headphone that is connected to a satellite TV wirelessly to listen to a broadcast voice signal and at the same time improved to have a magnetic voice confirmation function by attaching a microphone,
안테나를 통해 수신되는 신호중 특정의 주파수에 대하여 RF 증폭을 수행하고 소정의 발진주파수와 혼합하여 중간주파수(IF)를 출력하는 방송신호 수신부와, 상기 방송신호 수신부로부터 중간주파수를 입력받아 증폭하고 음성신호를 복조하는 방송음성 복조부와, 마이크를 통하여 입력된 아날로그 저주파 신호를 소정의 레벨까지 증폭하고 FM 변조하는 자기음성 변조부와, 상기 자기음성 변조부의 변조신호에 의해 고주파 신호를 발진시키고 구형파로 만들어 고주파 증폭하는 자기음성 복조부와, 상기 방송음성 복조부 및 자기음성 복조부의 출력신호를 입력받아 혼합하는 음성혼합부와, 상기 음성혼합부에 제어신호를 출력하여 혼합 동작시 방송음성과 자기음성의 비율을 결정하는 제어부와, 상기 음성혼합부의 출력신호를 증폭하여 스피커로 출력시키는 음성증폭부로 이루어지는 것을 특징으로 한다.A broadcast signal receiver for performing RF amplification on a specific frequency among the signals received through the antenna and mixing with a predetermined oscillation frequency to output an intermediate frequency (IF), and receiving and amplifying the intermediate frequency from the broadcast signal receiver and amplifying the voice signal. A broadcast voice demodulator for demodulating the signal, a magnetic voice modulator for amplifying and FM-modulating the analog low frequency signal inputted through a microphone to a predetermined level, and generating a square wave by oscillating a high frequency signal by a modulated signal of the magnetic voice modulator; A high frequency amplified magnetic voice demodulator, a voice mixer for receiving and mixing the output signals of the broadcast voice demodulator and the self voice demodulator, and a control signal to the voice mixer to output a control signal to the broadcast voice and the self voice. A control unit for determining a ratio and amplifying an output signal of the voice mixing unit and outputting the amplified signal to a speaker; Is characterized by consisting of a negative amplifier.
Description
본 고안은 위성방송용 무선헤드폰( cordless headphone for broadcasting via satellite )에 관한 것으로서 위성수신 텔레비젼과 무선으로 연결되어 음성신호를 청취할 수 있도록 하는 동시에 마이크가 부가되어 자기음성 확인 기능을 갖도록 개선한 위성방송용 무선헤드폰에 관한 것이다.The present invention relates to a cordless headphone for broadcasting via satellite, which is connected to a satellite TV wirelessly to listen to a voice signal, and at the same time, a microphone is added to improve the self-voice confirmation radio. It is about headphones.
최근 생활편이 장치로서의 헤드폰이 각 분야에서 사용되고 있는데, 유선헤드폰의 경우는 텔레비젼, 카세트 등에 헤드폰 잭(jack)을 접속하고 1m 내지 2m의 라인을 통해 음성신호를 청취하였다. 이는 유선이기 때문에 거리가 제한되고 사용자의 이동도 제한되는 문제점이 발생한다.In recent years, headphone as a convenience device has been used in various fields. In the case of a wired headphone, a headphone jack is connected to a television, a cassette, etc., and a voice signal is heard through a line of 1m to 2m. Since this is a wired line, the distance is limited and the user's movement also occurs.
따라서, 코드선 없이 자유롭게 외부소음 및 전기적 잡음의 영향을 받지 않고 고음질로 음성신호를 청취할 수 있는 무선헤드폰이 개발되어 판매되고 있으며, 위성텔레비젼의 과외방송 개시와 더불어 어학공부용으로 사용할 수 있도록 마이크가 부착된 무선헤드폰의 개발이 한창이다.Therefore, wireless headphones are developed and sold that can listen to voice signals with high quality without being influenced by external noise and electric noise without code line, and they can be used for language study with satellite TV's extracurricular broadcasting. The development of wireless headphones with is in full swing.
종래의 무선헤드폰의 경우는 단순히 수신 기능만을 수행하였기 때문에 음악청취 등과 같이 음성신호를 청취하는데는 지장이 없었으나, 반복적으로 자기의 음성을 확인하여야 하는 어학공부용으로는 적합하지 않아 사용이 불편하게 되는 문제점이 발생하였다.In the case of the conventional wireless headphones, only the reception function was performed, so there was no problem in listening to a voice signal such as listening to music, but it was not suitable for the language study which had to repeatedly check his / her voice. There was a problem.
본 고안은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 종래의 무선헤드폰 시스템에 마이크 시스템을 결합하여 어학공부용으로 사용할 수 있도록 하는 위성방송용 무선헤드폰을 제공하는데 있다.The present invention has been made to solve the problems of the prior art as described above, to provide a wireless radio headphone for satellite broadcasting that can be used for language study by combining a microphone system with a conventional radio headphone system.
도 1은 본 고안에 의한 위성방송용 무선헤드폰의 구성을 나타내는 블록도.1 is a block diagram showing the configuration of a radio headphone for satellite broadcasting according to the present invention.
도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings
110 : 방송신호 수신부 120 : 방송음성 복조부110: broadcast signal receiver 120: broadcast voice demodulator
130 : 마이크 140 : 자기음성 변조부130: microphone 140: magnetic voice modulator
150 : 자기음성 복조부 160 : 음성혼합부150: self-voice demodulation unit 160: voice mixing unit
170 : 제어부 180 : 음성증폭부170: control unit 180: voice amplifier
190 : 스피커190: speaker
상기와 같은 목적을 달성하기 위한 본 고안의 특징에 따르면, 안테나를 통해 수신되는 신호중 특정의 주파수에 대하여 RF 증폭을 수행하고 소정의 발진주파수와 혼합하여 중간주파수(IF)를 출력하는 방송신호 수신부와, 상기 방송신호 수신부로부터 중간주파수를 입력받아 증폭하고 음성신호를 복조하는 방송음성 복조부와, 마이크를 통하여 입력된 아날로그 저주파 신호를 소정의 레벨까지 증폭하고 FM 변조하는 자기음성 변조부와, 상기 자기음성 변조부의 변조신호에 의해 고주파 신호를 발진시키고 구형파로 만들어 고주파 증폭하는 자기음성 복조부와, 상기 방송음성 복조부 및 자기음성 복조부의 출력신호를 입력받아 혼합하는 음성혼합부와, 상기 음성혼합부에 제어신호를 출력하여 혼합 동작시 방송음성과 자기음성의 비율을 결정하는 제어부와, 상기 음성혼합부의 출력신호를 증폭하여 스피커로 출력시키는 음성증폭부로 이루어지는 위성방송용 무선헤드폰을 제공한다.According to a feature of the present invention for achieving the above object, a broadcast signal receiver for performing RF amplification for a specific frequency of the signal received through the antenna and mixing with a predetermined oscillation frequency to output an intermediate frequency (IF) and And a broadcast audio demodulator for receiving and amplifying intermediate frequencies from the broadcast signal receiver and demodulating a voice signal, and a magnetic voice modulator for amplifying and FM-modulating an analog low frequency signal input through a microphone to a predetermined level. A self-voice demodulator for oscillating a high-frequency signal by a modulated signal of a voice modulator and converting a high-frequency signal into a square wave, and a voice mixer for receiving and mixing output signals of the broadcast voice demodulator and the self-voice demodulator, and the voice mixer. A control unit for outputting a control signal to determine a ratio of broadcasting voice and magnetic voice during mixing operation; The present invention provides a satellite broadcasting wireless headphone comprising a voice amplifier for amplifying an output signal of the voice mixer and outputting the amplified signal to a speaker.
이하, 본 고안에 의한 위성방송용 무선헤드폰의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the wireless headphone for satellite broadcasting according to the present invention will be described in detail.
도 1은 본 고안에 의한 위성방송용 무선헤드폰의 구성을 나타내는 블록도이다.1 is a block diagram showing the configuration of a radio headphone for satellite broadcasting according to the present invention.
도 1을 참조하면, 안테나를 통해 수신되는 신호중 특정의 주파수에 대하여 RF 증폭을 수행하고 소정의 발진주파수와 혼합하여 중간주파수(IF)를 출력하는 방송신호 수신부(110)와, 상기 방송신호 수신부(110)로부터 중간주파수를 입력받아 증폭하고 음성신호를 복조하는 방송음성 복조부(120)와, 마이크(130)를 통하여 입력된 아날로그 저주파 신호를 소정의 레벨까지 증폭하고 FM 변조하는 자기음성 변조부(140)와, 상기 자기음성 변조부의 변조신호에 의해 고주파 신호를 발진시키고 구형파로 만들어 고주파 증폭하는 자기음성 복조부(150)와, 상기 방송음성 복조부(120) 및 자기음성 복조부(150)의 출력신호를 입력받아 혼합하는 음성혼합부(160)와, 상기 음성혼합부(160)에 제어신호를 출력하여 혼합 동작시 방송음성과 자기음성의 비율을 결정하는 제어부(170)와, 상기 음성혼합부(160)의 출력신호를 증폭하여 스피커(190)로 출력시키는 음성증폭부(180)로 이루어진다.Referring to FIG. 1, a broadcast signal receiver 110 for performing RF amplification on a specific frequency among signals received through an antenna and mixing an oscillation frequency to output an intermediate frequency IF, and the broadcast signal receiver ( A broadcast voice demodulator 120 for receiving and amplifying an intermediate frequency from the receiver 110 and demodulating a voice signal, and a magnetic voice modulator for amplifying and FM-modulating the analog low frequency signal input through the microphone 130 to a predetermined level ( 140, a self-voice demodulator 150 for oscillating a high frequency signal by the modulated signal of the self-voice modulator, and amplifying a high-frequency wave to generate a high-frequency amplified wave, and the broadcast voice demodulator 120 and the self-voice demodulator 150. A voice mixing unit 160 which receives and mixes an output signal, a control unit 170 which outputs a control signal to the voice mixing unit 160 to determine a ratio of broadcasting voice and magnetic voice during the mixing operation; Group comprises a sound amplification unit 180 for amplifying the output signal of the audio mixing section 160 and output to a speaker 190.
상기와 같이 구성된 본 고안의 동작은 다음과 같다.The operation of the present invention configured as described above is as follows.
위성수신 텔레비젼과 무선으로 연결된 상기 방송신호 수신부(110)에서 안테나를 통해 위성방송신호를 입력받아 중간주파수(IF)를 출력하면, 상기 방송음성 복조부(120)에서는 음성데이터를 처리하여 방송음성신호를 복조한다.When the broadcast signal receiver 110 wirelessly connected to the satellite receiver TV receives a satellite broadcast signal through an antenna and outputs an intermediate frequency IF, the broadcast voice demodulator 120 processes voice data to process a broadcast voice signal. Demodulate.
또한, 상기 자기음성 변조부(140)에서 마이크(130)를 통하여 입력된 아날로그 신호를 증폭하여 FM 변조하면, 상기 자기음성 복조부(150)에서는 변조신호에서 자기음성신호를 복조한다.In addition, when the magnetic voice modulator 140 amplifies and modulates the analog signal input through the microphone 130, the magnetic voice demodulator 150 demodulates the magnetic voice signal from the modulated signal.
그후, 상기 음성혼합부(160)에서 상기 방송음성 복조부(120) 및 자기음성 복조부(150)의 출력신호를 입력받아 상기 제어부(170)의 제어신호에 따라 방송음성과 자기음성의 비율 즉 세기를 조절하여 출력하면, 상기 음성증폭부(180)에서 증폭하여 스피커(190)로 출력시킴으로써 사용자는 방송음성과 자기음성을 동시에 듣게 된다.Thereafter, the voice mixing unit 160 receives the output signals of the broadcast voice demodulator 120 and the magnetic voice demodulator 150 and accordingly to the control signal of the controller 170, that is, the ratio of the broadcast voice and the self voice is determined. When the intensity is adjusted and output, the amplified by the voice amplifier 180 to output to the speaker 190, the user hears the broadcast voice and the self voice at the same time.
본 고안은 상기의 동작으로 인하여 학생들이 위성텔레비젼 과외를 청취하는 경우에 영어 또는 일본어 등의 외국어 어학공부시 본인의 목소리를 직접 조절하면서 방송음성과 동시에 청취할 수 있게 된다.The present invention allows students to listen to the broadcast voice simultaneously while directly controlling their voice when studying a foreign language such as English or Japanese when listening to satellite television tutoring.
이상에서 설명한 바와 같은 본 고안의 위성방송용 무선헤드폰은 마이크 시스템이 부착되어 위성방송 음성신호와 동시에 자기음성을 확인할 수 있기 때문에 어학공부시 자신의 발음을 교정할 수 있으며, 암기력을 향상시킬 수 있는 효과가 있다.As described above, the wireless headphone for satellite broadcasting according to the present invention has a microphone system attached thereto, so that the user can check his / her voice at the same time as the satellite broadcasting voice signal, so that his pronunciation can be corrected during language study, and the memorization effect can be improved. There is.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970027146U KR200162405Y1 (en) | 1997-09-30 | 1997-09-30 | Wireless headphone for satellite broadcasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970027146U KR200162405Y1 (en) | 1997-09-30 | 1997-09-30 | Wireless headphone for satellite broadcasting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990013833U true KR19990013833U (en) | 1999-04-26 |
| KR200162405Y1 KR200162405Y1 (en) | 1999-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019970027146U KR200162405Y1 (en) | 1997-09-30 | 1997-09-30 | Wireless headphone for satellite broadcasting |
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| Country | Link |
|---|---|
| KR (1) | KR200162405Y1 (en) |
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1997
- 1997-09-30 KR KR2019970027146U patent/KR200162405Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR200162405Y1 (en) | 1999-12-15 |
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