KR970014115A - VIDEO AND AUDIO INPUT / OUTPUT SWITCHNG APPARATUS FOR TELEVISION - Google Patents

VIDEO AND AUDIO INPUT / OUTPUT SWITCHNG APPARATUS FOR TELEVISION Download PDF

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Publication number
KR970014115A
KR970014115A KR1019950026319A KR19950026319A KR970014115A KR 970014115 A KR970014115 A KR 970014115A KR 1019950026319 A KR1019950026319 A KR 1019950026319A KR 19950026319 A KR19950026319 A KR 19950026319A KR 970014115 A KR970014115 A KR 970014115A
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KR
South Korea
Prior art keywords
video
output
input
audio
audio signal
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KR1019950026319A
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Korean (ko)
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KR0145580B1 (en
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이정우
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배순훈
대우전자 주식회사
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Priority to KR1019950026319A priority Critical patent/KR0145580B1/en
Publication of KR970014115A publication Critical patent/KR970014115A/en
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Publication of KR0145580B1 publication Critical patent/KR0145580B1/en

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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
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)

Abstract

본 발명은 텔레비전 영상/음성신호 입력/출력절환장치에 관한 것으로, 전면에 외부의 비디오/오디오 입력을 위한 비디오/오디오입력단자(10)를 갖추어서 A/V스위칭제어에 의해 입력/출력하도록 된 텔레비전에서, 상기 비디오/오디오입력단자(10)를 영상/음성신호 출력경로로서 절환되도록 제어하기 위한 제어부(12)와, 상기 비디오/오디오입력단자(10)를 통해 입력되는 외부의 비디오/오디오신호를 버퍼링하는 제1버퍼(14) 및 상기 비디오/오디오입력단자(10)를 통해 출력될 영상/음성신호를 버퍼링하는 제2버퍼(16), 상기 제어부(12)의 제어하에 상기 제1 및 제2버퍼(14,16)에 버퍼링된 신호의 입력과 출력을 스위칭하는 제1 및 제2스위칭소자(18,20) 및, 상기 제1 또는 제2스위칭소자(18,20)의 스위칭작용에 의해 상기 입력되는 비디오/오디오신호 또는 상기 출력될 영상/음성신호의 입력과 출력을 담당하는 신호처리부(22)를 포함하여 구성되어, 텔레비전의 전면에 설치된 상기 신호입력/출력단자(10)를 스위칭하여 외부의 비디오/오디오신호가 입력되도록 하거나 텔레비전의 영상/음성신호가 외부로 출력되도록 적용될 수 있는 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television video / audio signal input / output switching device, which is provided with a video / audio input terminal (10) for external video / audio input on a front surface to be input / output by A / V switching control. In the television, a control unit 12 for controlling the video / audio input terminal 10 to be switched as a video / audio signal output path, and an external video / audio signal input through the video / audio input terminal 10. A first buffer 14 for buffering the second buffer 16 and a second buffer 16 for buffering the video / audio signal to be output through the video / audio input terminal 10 and the first and second buffers under the control of the controller 12. By the switching action of the first and second switching elements 18 and 20 and the first or second switching elements 18 and 20 for switching the inputs and outputs of the signals buffered in the second buffers 14 and 16. The input video / audio signal or the output zero And a signal processor 22 for inputting and outputting a voice signal, and switching the signal input / output terminal 10 installed on the front of the television to input an external video / audio signal or The video / audio signal may be applied to the outside.

제1도First

Description

텔레비전의 영상/음성신호 입력/출력절환장치(VIDEO AND AUDIO INPUT/OUTPUT SWITCHING APPARATUS FOR TELEVISION)VIDEO AND AUDIO INPUT / OUTPUT SWITCHING APPARATUS FOR TELEVISION

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1도는 본 발명에 따른 텔레비전의 영상/음성신호 입력/출력절환장치를 나타낸 도면.1 is a view showing a video / audio signal input / output switching device of a television according to the present invention.

Claims (2)

전면에 외부의 비디오/오디오 입력을 위한 비디오/오디오입력단자(10)를 갖추어서 A/V스위칭제어에 의해 입력/출력하도록 된 텔레비전에 있어서, 상기 비디오/오디오입력단자(10)를 영상/음성신호 출력경로로서 절환되도록 제어하기 위한 제어부(12)와, 상기 비디오/오디오입력단자(10)를 통해 입력되는 외부의 비디오/오디오신호를 버퍼링하는 제1버퍼(14) 및 상기 비디오/오디오입력단자(10)를 통해 출력될 영상/음성신호를 버퍼링하는 제2버퍼(16), 상기 제어부(12)의 제어하에 상기 제1 및 제2버퍼(14,16)에 버퍼링된 신호의 입력과 출력을 스위칭하는 제1 및 제2스위칭소자(18,20) 및, 상기 제1 또는 제2스위칭소자(18,20)의 스위칭작용에 의해 상기 입력되는 비디오/오디오신호 또는 상기 출력될 영상/음성신호의 입력과 출력을 담당하는 신호처리수단(22)를 포함하여 구성된 것을 특징으로 하는 텔레비전의 영상/음성신호 입력/출력절환장치.In a television equipped with a video / audio input terminal 10 for external video / audio input in the front and input / output by A / V switching control, the video / audio input terminal 10 is connected to video / audio. A control unit 12 for controlling switching as a signal output path, a first buffer 14 for buffering an external video / audio signal input through the video / audio input terminal 10, and the video / audio input terminal. A second buffer 16 for buffering the video / audio signal to be output through 10, and input and output of the signals buffered in the first and second buffers 14 and 16 under the control of the controller 12; Of the input video / audio signal or the video / audio signal to be output by the switching action of the first and second switching elements 18 and 20 and the first or second switching elements 18 and 20 to switch. A signal processing means 22 responsible for input and output; Video / audio signal input / output switching unit of the television, characterized in that configured. 제1항에 있어서, 상기 제1 및 제2스위칭소자(18,20)는 상기 입력되는 비디오/오디오신호의 경로와 상기 출력될 영상/음성신호의 경로가 상호 역으로 개폐되도록 제어되는 트랜지스터로 구성되는 것을 특징으로 하는 텔레비전의 영상/음성신호 입력/출력절환장치.The switching device of claim 1, wherein the first and second switching devices 18 and 20 are transistors controlled to open and close the path of the input video / audio signal and the path of the video / audio signal to be output in reverse. Video / audio signal input / output switching device, characterized in that the television. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950026319A 1995-08-24 1995-08-24 Video and audio input/output switching apparatus for a television KR0145580B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950026319A KR0145580B1 (en) 1995-08-24 1995-08-24 Video and audio input/output switching apparatus for a television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950026319A KR0145580B1 (en) 1995-08-24 1995-08-24 Video and audio input/output switching apparatus for a television

Publications (2)

Publication Number Publication Date
KR970014115A true KR970014115A (en) 1997-03-29
KR0145580B1 KR0145580B1 (en) 1998-09-15

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KR1019950026319A KR0145580B1 (en) 1995-08-24 1995-08-24 Video and audio input/output switching apparatus for a television

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101437165B1 (en) * 2007-12-20 2014-09-03 엘지전자 주식회사 Apparatus and method for setting HDMI input output port automatically
KR102665110B1 (en) 2022-01-07 2024-05-09 김병국 Line receptacle with cap of service drop wire

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