KR860000784A - Voice multicast signal selection circuit - Google Patents

Voice multicast signal selection circuit Download PDF

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Publication number
KR860000784A
KR860000784A KR1019840003392A KR840003392A KR860000784A KR 860000784 A KR860000784 A KR 860000784A KR 1019840003392 A KR1019840003392 A KR 1019840003392A KR 840003392 A KR840003392 A KR 840003392A KR 860000784 A KR860000784 A KR 860000784A
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KR
South Korea
Prior art keywords
signal
output
circuit
switches
main
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Application number
KR1019840003392A
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Korean (ko)
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KR860000313B1 (en
Inventor
이윤기
Original Assignee
허신구
주식회사 금성사
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Priority to KR1019840003392A priority Critical patent/KR860000313B1/en
Publication of KR860000784A publication Critical patent/KR860000784A/en
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Publication of KR860000313B1 publication Critical patent/KR860000313B1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Television Receiver Circuits (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

내용 없음No content

Description

음성다중방송신호 선택회로Voice multicast signal selection circuit

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

첨부된 도면은 본 발명의 음성다중방송신호 선택회로도.The accompanying drawings are voice multicast signal selection circuit diagram of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

A : L + R 주신호 검파출력회로 B : L - R 부신호 검파출력회로 C : 파이롯트 신호 검파출력회로 D : 파이롯드 신호 판별회로 E : 원격 조정펄스 수신회로 F : 우출력회로 G : 좌출력회로 H : 전원(B+)공급회로 R1-R33: 저항 VR1: 가변저항 C1-C8: 콘덴서 D1-D6: 다이오드 IC1,IC2: 스위칭집적소자 LED1,LED2: 발광다이오드 FF1, FF2: 플립플롭.A: L + R main signal detection output circuit B: L-R negative signal detection output circuit C: pilot signal detection output circuit D: pilot signal discrimination circuit E: remote control pulse reception circuit F: right output circuit G: left output Circuit H: Power supply (B + ) supply circuit R 1 -R 33 : Resistance VR 1 : Variable resistor C 1 -C 8 : Capacitor D 1 -D 6 : Diode IC 1 , IC 2 : Switching integrated device LED 1 , LED 2 : Light emitting diodes FF 1 , FF 2 : flip-flop.

Claims (1)

음성다중방송신호 선택회로에 있어서, 파일롯트 신호판별회로(D)의 출력신호에 의해, 모노 방송시에는 스위칭 집적소자(IC1)의 스위치(S1),(S2),(S3),(S4)를 개방하여 L + R 주신호 검파 출력회로(A)에서 출력된 주신호만이 연산증폭기(OP1)에 출력되게하고, 저항(R15),(R17)을 통한 전원(B+)이 다이오드(D4),(D3)를 각각 통해 스위칭 집적소자(IC2)의 스위치(S1),(S2)를 단락하여 상기의 주신호가 좌, 우 출력회로(G),(F)에 인가되게하고, 스테레오/모노 절환스위치(SW1)가 단락된 상태에서의 스테레오 방송시에는 스위칭 집적소자(IC1)의 스위치(S1),(S2),(S3),(S4)가 단락되어 연산증폭기(OP1),(OP2)에는 R 신호가 L 신호가 각각 출력되고, 다이오드(D5),(D2),(D6)의 애노드로 우신호에 의해 스위칭 집적소자(IC2)의 스위치(S1),(S2),(S3)가 각각 개방되어 상기의 R 신호는 좌출력회로(G)에 인가되고, L 신호는 우출력회로(R)에 인가되게하며, 이개국어 방송시에는 스위칭 집적소자(IC1)의 스위치(S1),(S2),(S3),(S4)가 개방되어 연산 증폭기(OP1),(OP2)의 출력측에는 주신호와 부신호가 각각 출력되고, 주/부 절환스위치(SW2) 또는 원격 조정 펄스 신호(E)로 트랜지스터(Q2)를 온시킬때 마다 트랜지스터(Q3)가 오프되어 플립플롭(FF1),(FF2)의 입력단자(CK),(CK)에 하이신호를 인가하고, 플립플롭(FF1),(FF2)의 출력신호로 스위칭 집적소자(IC2)의 스위치(S1),(S2),(S3)를 제어하여, 상기의 입력단자(CK),(CK)에 최초의 하이신호가 인가되면 상기의 주신호만이 좌, 우출력신호(G),(F)에 인가되고, 두번째의 하이신호가 인가되면 상기의 부신호만이 좌, 우 출력회로(G),(F)에 인가되며, 세번째의 하이신호가 인가되면 상기의 주신호는 좌출력회로(G)에 인가되고, 부신호는 우출력회로(F)에 인가되게함을 특징으로 하는 음성다중방송신호 선택회로.In the audio multi-broadcast signal selection circuit, the output signal of the pilot signal discrimination circuit (D) switches the switches (S 1 ), (S 2 ), and (S 3 ) of the switching integrated device (IC 1 ) during mono broadcasting. ,, (S 4 ) is opened so that only the main signal output from the L + R main signal detection output circuit (A) is output to the operational amplifier (OP 1 ), and the power supply through the resistor (R 15 ), (R 17 ) (B + ) shorts the switches S 1 and S 2 of the switching integrated device IC 2 through the diodes D 4 and D 3 , respectively, so that the main signals are left and right output circuits G. ), (F), and when the stereo / mono switching switch SW 1 is short-circuited, the switches S 1 , S 2 , and S of the switching integrated device IC 1 are switched. 3 ), (S 4 ) is short-circuited, the R signal is output to the operational amplifier (OP 1 ), (OP 2 ), respectively, and the anode of diodes (D 5 ), (D 2 ), (D 6 ) switch (S 1) of a switching integrated devices (IC 2) by the right signal, (S 2), (S 3) , each gaebangdoe R signal of the is applied to the left and the output circuit (G), L signal switch (S 1) of the right output circuit and to be applied to (R), has a switching integrated when two language broadcast element (IC 1), (S 2), (S 3), (S 4) is open, the operational amplifier (OP 1), (the output side, the number and the sub signal given in OP 2) and the output, respectively, main / sub switching switch (SW 2) or remote Each time the transistor Q 2 is turned on by the adjustment pulse signal E, the transistor Q 3 is turned off to apply a high signal to the input terminals CK and CK of the flip-flops FF 1 and FF 2 . And the switches S 1 , S 2 , and S 3 of the switching integrated device IC 2 are controlled by the output signals of the flip-flops FF 1 and FF 2 . When the first high signal is applied to CK) and CK, only the main signal is applied to the left and right output signals G and F. When the second high signal is applied, only the subsignal is left. Is applied to the right output circuit (G), (F), and when the third high signal is applied, Of the main signal is applied to the left and the output circuit (G), some signals right output circuit (F) sound multiplex broadcast signal selecting circuit, it characterized in that the to be applied to. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840003392A 1984-06-16 1984-06-16 A broadcasting system KR860000313B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019840003392A KR860000313B1 (en) 1984-06-16 1984-06-16 A broadcasting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019840003392A KR860000313B1 (en) 1984-06-16 1984-06-16 A broadcasting system

Publications (2)

Publication Number Publication Date
KR860000784A true KR860000784A (en) 1986-01-30
KR860000313B1 KR860000313B1 (en) 1986-03-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840003392A KR860000313B1 (en) 1984-06-16 1984-06-16 A broadcasting system

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Publication number Publication date
KR860000313B1 (en) 1986-03-31

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