KR870002370Y1 - Input and output control circuit for image and voice signal - Google Patents

Input and output control circuit for image and voice signal Download PDF

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Publication number
KR870002370Y1
KR870002370Y1 KR2019840014140U KR840014140U KR870002370Y1 KR 870002370 Y1 KR870002370 Y1 KR 870002370Y1 KR 2019840014140 U KR2019840014140 U KR 2019840014140U KR 840014140 U KR840014140 U KR 840014140U KR 870002370 Y1 KR870002370 Y1 KR 870002370Y1
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output
input
transistor
pins
jack
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KR2019840014140U
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Korean (ko)
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KR860008970U (en
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김남호
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주식회사 금성사
허신구
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/148—Video amplifiers

Abstract

내용 없음.No content.

Description

영상과 음성신호 입출력제어회로Video and audio signal input / output control circuit

첨부된 도면은 본 고안의 회로도이다.The accompanying drawings are circuit diagrams of the subject innovation.

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

SW : 전환스위치 IC : 전자스위치SW: Switching Switch IC: Electronic Switch

J1-J0: 입출력잭 T1-T10: 증폭용 트랜지스터J 1 -J 0 : I / O jack T 1 -T 10 : Amplification transistor

C1, C6, C10: 바이패스 콘덴서 C2, L1: 필터C 1 , C 6 , C1 0 : Bypass condenser C 2 , L 1 : Filter

본 고안은 모니터와 TV 수상기가 동시에 운용되는 계통에 있어서, 이들을 각기 영상과 음성 신호를 그 계통에 맞게끔 전자식으로 전환시켜 주려는 회로에 관한 것이다.The present invention relates to a circuit that attempts to convert these video and audio signals electronically to the system in a system in which a monitor and a TV receiver are operated simultaneously.

종래에는 모니터와 TV수상기가 1 입력 계통에 동시에 사용되는 경우에는 기계적 전환스위치를 사용하여 각기 해당계통에 맞게끔 전환시켜 주었으나 이는 다수개 스위치에 의한 전환시의 오동작이 많고 장기간 사용에 기계적 마모에 의한 신뢰성이 떨어지는 것이며, 제작시의 원가가 상승된다는 결점도 있었다.Conventionally, when a monitor and a TV receiver are used simultaneously in one input system, they are switched to each system by using a mechanical changeover switch. However, there are many malfunctions when switching by a plurality of switches and mechanical wear for long-term use. There is also a drawback that the reliability is low and the cost at the time of manufacture is increased.

본 고안은 이러한 종래의 불편을 해소하기 위하여 안출한 것인데, 이는 음성에 있어서는 스테레오, 모노, 영상에 있어서는 모니터 영상, TV 수상기 영상을 1 개의 스위치로 자동으로 전환되는 회로를 구비하므로서 이러한 장치의 이용가치 상승 및 그 신뢰성 혀상과 아울러 원가절감의 효과도 얻을수 있도록 한 목적이 있는 것이다.The present invention has been devised to solve such a conventional inconvenience, which includes a circuit for automatically switching stereo, mono, monitor video, and TV receiver video in a single switch for audio. The purpose is to increase the cost and increase the reliability, as well as reduce the cost.

이하에서 이를 상세히 설명하면 다음과 같다.This will be described in detail below.

핀 9,10,11번의 입력논리 상태에 따라 핀(1,15), (3,4), (14,13)이 접속되거나 (2,15),(4,5)(14,12)가 연결되는 전자스위치(IC)에 있어서, 이 전자스위치(IC)의 핀 1 은 공통잭(J2)과 공통 연결시킨 제 1 영상입력잭(J2)에서 트랜지스터(T10)를 거친 출력이 접속되며, 핀 2 는 영상검파단(A)에서 바이패스 콘덴서(C1), 트랜지스터(T1, T2)를 거쳐 트랜지스터(T3)의 출력이 연결되고, 핀 9 은음성 좌입력 잭(모노용)(J4)과 음성 좌공통잭(J5)이 바이패스 콘덴서(C6)를 거쳐 연결되며, 핀 4 는 콘덴서(C10)를 거쳐 TV 수상기 혹은 모니터 입력의 음성 좌입력계와 연결되며, 핀 5 는 좌 TV 출력잭(J6)과 연결된다.Depending on the input logic state of pins 9, 10 and 11, pins 1, 15, (3, 4) and (14, 13) are connected or (2, 15) and (4, 5) (14, 12) an electronic switch (IC) connected to the pin 1 of the electronic switch (IC) is a common jack (J 2) and the common connection in which the first video input jack (J 2) is a rough output transistor (T 10) connected in and, pin 2 is the bypass capacitor (C 1) on the image detector stage (a), the transistor being connected to the output of the transistor via a (T 1, T 2) ( T 3), pin 9 is negative left input jack (mono (J 4 ) and the audio left common jack (J 5 ) are connected via the bypass capacitor (C 6 ), and pin 4 is connected to the TV receiver or the monitor left audio input via the condenser (C 10 ). Pin 5 is connected to the left TV output jack (J 6 ).

또, 상기 음성 좌입력잭(J4), 음성 좌공통잭(J5), 음성 우입력잭(J7), 음성우공통잭(J8)은 공통으로 접속되며, 상기 트랜지스터(T2)의 콜렉터단은 필터(C2, L1)를 거쳐 트랜지스터(T9) 입력단에 연결하며, 이 트랜지스터(9)의 출력단인 에미터단은 TV 출력잭(J1)과 연결한다.The voice left input jack J 4 , the voice left common jack J 5 , the voice right input jack J 7 , and the voice right common jack J 8 are connected in common, and the transistor T 2 is connected in common. The collector stage of is connected to the input terminal of the transistor T 9 through the filters C 2 and L 1 , and the emitter stage, which is an output terminal of the transistor 9, is connected to the TV output jack J 1 .

한편, 핀15는 트랜지스터(T4)를 거쳐 모니터나 TV 수상기의 영상출력단(D)과 연결하고, 핀14는 음성우출력(C)으로 연결되며, 핀13은 음성 우입력잭(J1)과 연결된다.On the other hand, pin 15 is connected to the video output terminal (D) of the monitor or TV receiver through the transistor (T 4 ), pin 14 is connected to the audio right output (C), pin 13 is the audio right input jack (J 1 ) Connected with

핀12는 외부에서의 음성우입력(E)이 트랜지스터(T5, T6)를 거쳐 연결되고, 한편으론 음성우 TV 출력 잭(J9)과 공통 접속된다.The pin 12 is connected to the voice right input E from the outside via transistors T 5 and T 6 , and is commonly connected to the voice right TV output jack J 9 .

또 음성좌입력(F)은 트랜지스터(T7, T8)를 거쳐 핀 5 에 접속되며, 상기 트랜지스터(T7)의 출력과 좌 TV 출력잭(J6)은 핀 5 에 공통 접속된다.The audio left input F is connected to pin 5 via transistors T 7 and T 8 , and the output of the transistor T 7 and the left TV output jack J 6 are commonly connected to pin 5.

그리고, 전자스위치(IC)의 11,10,9번 핀은 저항(R1)과 스위치(SW)단의 접접(b)와 접속되고, 일방의 고정접접(a)은 전원단(B+)과 연결한다.The pins 11, 10, and 9 of the electronic switch IC are connected to the contact R of the resistor R 1 and the switch SW, and the fixed contact a of the power supply terminal B + is connected. Connect with

미설명부호 핀6,7,8은 접지단과 접속한다.Unexplained pins 6, 7, and 8 are connected to the ground terminal.

이러한 구성의 본 고안은 전환스위치(SW)를 접속할때는 전자스위치(IC)가 핀 1,15, 핀 3,4, 핀 14,13이 각각 연결되어 영상검출력(A)는 콘덴서(C1), 트랜지스터(T1, T2)를 거쳐 트랜지스터(T9)→TV출력잭(J1)에 연결되며, 트랜지스터(T3)의 출력은 전자스위치(IC)의 핀 2 가 오프되어 있어서 그 출력이 없다.The present invention of such a configuration is that when the switch (SW) is connected to the electronic switch (IC) pins 1, 15, pins 3, 4, pins 14, 13, respectively, the image detection output (A) is a capacitor (C 1 ), It is connected to transistor T 9 to TV output jack J 1 via transistors T 1 and T 2 , and the output of transistor T 3 is turned off because pin 2 of the electronic switch IC is off. none.

또, 영상입력잭(J3)에서는 트랜지스터(T10)를 거쳐 핀 1→핀15→트랜지스터(T4)→영상출력(D)으로 연결되며, 이때 다른 기기와 접속시킬때는 공통출력잭(J2)은 상기 영상입력잭(J3)에 영향없이 다른 기기와 접속이 가능하다.In addition, the video input jack J 3 is connected to the pin 1 → pin 15 → transistor T 4 → video output D via the transistor T 10. In this case, the common output jack J is connected to another device. 2 ) can be connected to other devices without affecting the video input jack (J 3 ).

음성 좌입력잭(J4)은 전자스위치(IC) 핀 3→핀 4→음성 좌출력계와 연결되고, 이때는 음성우입력잭(J7)과 공통 접속되어 모노로서 스피커 출력이 발생한다.The voice left input jack J 4 is connected to an electronic switch (IC) pin 3-> pin 4-> voice left output meter, and in this case, a speaker output is generated as mono by being connected in common with the voice right input jack J 7 .

한편, 전환스위치(SW)를 고정접접 b,c로 전환시켰을 때는 핀 2,15, 핀 4,5, 핀 14,12가 연결되어서 영상검파 출력(A)은 공통으로 TV 출력잭(J1)에 가해지며, 이 영상검파출력(A)은 트랜지스터(T3)를 거쳐 핀 2→핀 15→트랜지스터(T4)→영상출력(D)으로 가해지므로 TV 수상기 신호 수신이 가능해지며, 음성 좌입력(F)은 트랜지스터(T1)를 거쳐 핀 5→핀 4로 연결되어 음성좌출력(B)을 제공한다.On the other hand, when the changeover switch SW is switched to the fixed contacts b and c, pins 2, 15, 4, 5, and 14, 12 are connected so that the image detection output A is commonly used as a TV output jack J 1 . This video detection output (A) is applied to the pin 2 → pin 15 → transistor (T 4 ) → video output (D) via the transistor (T 3 ), so that the TV receiver signal can be received. (F) is connected from pin 5 to pin 4 via transistor T 1 to provide a negative left output (B).

또 음성 우입력(E)은 트랜지스터(T5)↓핀 12→핀 14→음성 우출력(C)과 음성 우출력잭(J9)으로 제공되어 또 다른 기기의 스테레오 입력으로 제공되는 것이다.The voice right input (E) is provided as a transistor (T 5 ) ↓ pin 12 → pin 14 → voice right output (C) and voice right output jack (J 9 ) to provide a stereo input of another device.

이러한 본 고안은 모니터와 TV 수상기등의 입력계 전환장치를 기계적 스위치에 의한 전환방식을 탈피하여 전자식으로 실현 하므로써 이러한 부분의 신뢰성 향상과 제작시 원가절감 및 이용상의 편리성을 증진시킨 유익한 특징이 있는 것이다.The present invention has an advantageous feature to improve the reliability of these parts and to reduce the cost and convenience of use by electronically realizing the input system switching devices such as monitors and TV receivers by switching from mechanical switches. will be.

Claims (1)

핀 11,10,9의 입력논리에 의해 핀 1,15, 핀 3,4, 핀 14,13과 핀 2,15, 핀 4,5, 핀 14,12번이 각기 전환되는 전자스위치(IC)에 있어서, 상기 핀 11,10,9를 공통으로 하여 저항(R1)과의 사이에 스위치(SW)를 연결하고, 영상검파입력(A)은 트랜지스터(T1, T2), 필터(C2,L1), 트랜지스터(T9)를 거쳐 TV 출력잭(J1)으로 공통 출력되고, 트랜지스터(T2) 일방의 타출력은 트랜지스터(T3)를 거쳐 핀 2 에 접속하며, 핀 1,3,4,5 및 핀 15,14,13,12엔 각기 트랜지스터(T10)를 거친 영상입력잭(J3) 공통입력잭(J2)과, 음성좌, 우입력잭(J4, J7)과 공통음성 좌우입력잭(J5, J8), 음성좌출력(B), 좌 TV 출력잭(J6) 및 트랜지스터(T4)와 연결된 영상출력 (D), 음성우출력(C), 음성좌, 우입력잭(J4, J5, J7, J8) 음성우 TV 출력(J9) 및 트랜지스터(T5-T6)를 거친 음성우입력(E)을 차례로 접속시키고, 상기 핀 5 에 공통으로 트랜지스터(T7, T8)를 거친 음성우입력(F)이 접속되도록 함을 특징으로 하는 영상과 음성신호 입출력 제어회로.An electronic switch (IC) in which pins 1,15, pins 3,4, pins 14,13, and pins 2,15, pins 4,5, and pins 14,12 are switched respectively by the input logic of pins 11, 10, and 9. In this case, the pins 11, 10, and 9 are connected in common and the switch SW is connected between the resistor R 1 , and the image detection input A is a transistor T 1 , T 2 , and a filter C. 2, L 1), and a common output transistor (TV output jack (J 1) through T 9), a transistor (T 2) the other output of the one is, and connected to the pin 2 through the transistor (T 3), pin 1 , 3,4,5 and pins 15,14,13,12 Yen Video input jack (J 3 ) through transistor (T 10 ) Common input jack (J 2 ), audio left and right input jack (J 4 , J 7 ) and common audio left and right input jacks (J 5 , J 8 ), left audio output (B), left TV output jack (J 6 ) and video output (D) connected to the transistor (T 4 ), audio right output ( C), Voice Left, Right Input Jacks (J 4 , J 5 , J 7 , J 8 ) Voice Right TV Output (J 9 ) and Voice Right Input (E) via Transistors (T 5 -T 6 ) are connected in this order. Let's A video and audio signal input / output control circuit, characterized in that the audio right input (F) through a transistor (T 7 , T 8 ) is connected to the pin 5 in common.
KR2019840014140U 1984-12-27 1984-12-27 Input and output control circuit for image and voice signal KR870002370Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840014140U KR870002370Y1 (en) 1984-12-27 1984-12-27 Input and output control circuit for image and voice signal

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Application Number Priority Date Filing Date Title
KR2019840014140U KR870002370Y1 (en) 1984-12-27 1984-12-27 Input and output control circuit for image and voice signal

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KR860008970U KR860008970U (en) 1986-07-31
KR870002370Y1 true KR870002370Y1 (en) 1987-07-08

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KR2019840014140U KR870002370Y1 (en) 1984-12-27 1984-12-27 Input and output control circuit for image and voice signal

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