KR920008671A - V-Cal's wireless headphones - Google Patents

V-Cal's wireless headphones Download PDF

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Publication number
KR920008671A
KR920008671A KR1019900016702A KR900016702A KR920008671A KR 920008671 A KR920008671 A KR 920008671A KR 1019900016702 A KR1019900016702 A KR 1019900016702A KR 900016702 A KR900016702 A KR 900016702A KR 920008671 A KR920008671 A KR 920008671A
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KR
South Korea
Prior art keywords
signal
transmission
carrier
circuit
switch
Prior art date
Application number
KR1019900016702A
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Korean (ko)
Inventor
박호상
Original Assignee
이헌조
주식회사 금성사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900016702A priority Critical patent/KR920008671A/en
Publication of KR920008671A publication Critical patent/KR920008671A/en

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Abstract

내용 없음No content

Description

브이씨알의 무선을 이용한 헤드폰V-Cal's wireless headphones

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명 브이씨알의 무선을 이용한 헤드폰의 전체 구성도.2 is an overall configuration diagram of a headphone using the wireless of the present invention VRC.

제3도는 본 발명 트랜스 미션회로의 상세 구성도.3 is a detailed configuration diagram of the transmission circuit of the present invention.

제4도는 본 발명 리시버의 상세 구성도.4 is a detailed configuration diagram of the receiver of the present invention.

Claims (3)

노멀오디오헤드(1)로 부터 나오는 신호를 프로세싱하는 노멀오디오회로(5)와 하이파이오디오헤드(2,3)로부터의 하이파이신호를 프로세싱하는 하이파이신호(6)와, 마이콤(7)으로 상기 하이파이회로(6)로 부터의 하이파이검파신호(8)를 수용한 후 스위치(9,10)를 절환하여 상기 노멀오디오회로(5), 하이파이신호(6)의 출력을 선택하는 스위치(9,10)로 구성된 브이씨알에 있어서, 무선헤드폰을 동작시키는 신호를 상기 마이콤(7)에 전송하는 스위치(4)와, 상기 마이콤(7)의 제어로 상기 스위치(9,10)의 신호를 라인출력 또는 트랜스 미션회로(13)에 선택하여 전송하는 스위치(11,12)와 상기 스위치(11,12)에서 나오는 신호를 변조하여 송신해 주는 트랜스미션회로(13)와, 변조된 신호를 공중으로 방사시켜 주는 송신 안테나(14)와, 전송되는 전파를 수집하는 수신안테나(15)와, 수신된 RF 신호를 복조하여 헤드폰(17)으로 들을 수 있도록 해주는 리서버(16)로 구성하여 된 것을 특징으로 하는 브이씨알의 무선을 이용한 헤드폰.A normal audio circuit 5 for processing a signal from the normal audio head 1, a hi-fi signal 6 for processing a hi-fi signal from the hi-fi audio heads 2, 3, and a microcomputer 7 for the hi-fi circuit After receiving the hi-fi detection signal (8) from (6), the switch (9, 10) is switched to a switch (9, 10) for selecting the output of the normal audio circuit (5) and the hi-fi signal (6). In the configured VRC, the switch 4 for transmitting a signal for operating the wireless headphones to the microcomputer 7 and the signal of the switches 9 and 10 under the control of the microcomputer 7 can be outputted in line or transmission. A switch (11, 12) for selective transmission to the circuit (13), a transmission circuit (13) for modulating and transmitting a signal from the switch (11, 12), and a transmission antenna for radiating the modulated signal to the air 14, a reception antenna 15 for collecting the transmitted radio waves, The headphone using the wireless of V-Cal, characterized in that it consists of a reserver (16) to demodulate the received RF signal to listen to the headphone (17). 제1항에 있어서, 트랜스미션회로(13)는 오디오신호를 무선으로 송신하기 위해 양신호(L, R)를 증폭하는 AF앰프(51,52)와, 캐리어신호를 발생하는 발진기(53),와 상기 발진기(53)에서 나오는 캐리어신호를 90° 위상이동시키는 90°위상이동기(55)와, 입력오디오신호를 두가지 위상 캐리어에 의해 변조하는 변조기(54,56)와, 변조된 신호를 합성하는 믹서(57)와, 변조된 신호를 송신신호로 만들기 위한 대역통과필터(58), RF앰프(59), 송신안테나(14)로 구성하여 된 것을 특징으로 하는 브이씨알의 무선을 이용한 안테나.The transmission circuit (13) according to claim 1, wherein the transmission circuit (13) includes AF amplifiers (51, 52) for amplifying both signals (L, R) for transmitting audio signals wirelessly, an oscillator (53) for generating a carrier signal, and 90 ° phase shifter 55 for shifting the carrier signal from oscillator 53 by 90 °, modulators 54 and 56 for modulating the input audio signal by two phase carriers, and a mixer for synthesizing the modulated signal ( And a band pass filter (58), an RF amplifier (59), and a transmission antenna (14) for converting the modulated signal into a transmission signal. 제1항에 있어서, 리시버(16)는 수신안테나(15)로 부터의 수신된 전파를 증폭하기 위한 RF 앰프(101)와, 수신된 전파에서 송신캐리어를 뽑아내기 위한 캐리어 필터(102)와, 송신된 주파수로 발진하기 위한 발진기(111)와, 송신되는 캐리어와 같은 위상캐리어를 만들어 내기 위한 위상검파기(103)와, 상기 위상검파기(103)의 출력을 90°위상이동(104)와 상기 90°위상이동(104)와, 변조된 신호에서 원신호를 만들어내기 위한 복조기(105,106)와, 저역밴드를 뽑아내기 위한 저역통과필터(107,108)와 최동 신호를 증폭하기 위한 AF앰프(109,110)로 구성하여 된 것을 특징으로 하는 브이씨알의 무선을 이용한 헤드폰.The receiver of claim 1, wherein the receiver 16 comprises: an RF amplifier 101 for amplifying a received radio wave from the reception antenna 15, a carrier filter 102 for extracting a transmission carrier from the received radio wave, An oscillator 111 for oscillating at the transmitted frequency, a phase detector 103 for generating a phase carrier such as a carrier to be transmitted, and an output of the phase detector 103 by 90 ° phase shift 104 and 90 Phase shift 104, demodulators 105 and 106 for generating the original signal from the modulated signal, low pass filters 107 and 108 for extracting the low band, and AF amplifiers 109 and 110 for amplifying the highest signal. Headphones using a wireless wireless V characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900016702A 1990-10-19 1990-10-19 V-Cal's wireless headphones KR920008671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900016702A KR920008671A (en) 1990-10-19 1990-10-19 V-Cal's wireless headphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900016702A KR920008671A (en) 1990-10-19 1990-10-19 V-Cal's wireless headphones

Publications (1)

Publication Number Publication Date
KR920008671A true KR920008671A (en) 1992-05-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900016702A KR920008671A (en) 1990-10-19 1990-10-19 V-Cal's wireless headphones

Country Status (1)

Country Link
KR (1) KR920008671A (en)

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