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KR970022682A - Computer and TV, video signal interface device - Google Patents

Computer and TV, video signal interface device Download PDF

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Publication number
KR970022682A
KR970022682A KR1019950038532A KR19950038532A KR970022682A KR 970022682 A KR970022682 A KR 970022682A KR 1019950038532 A KR1019950038532 A KR 1019950038532A KR 19950038532 A KR19950038532 A KR 19950038532A KR 970022682 A KR970022682 A KR 970022682A
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KR
South Korea
Prior art keywords
signal
synchronization
outputting
clock signal
signals
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KR1019950038532A
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Korean (ko)
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KR100196845B1 (en
Inventor
이기순
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배순훈
대우전자 주식회사
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Priority to KR1019950038532A priority Critical patent/KR100196845B1/en
Publication of KR970022682A publication Critical patent/KR970022682A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006Details of the interface to the display terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00Colour television systems
    • H04N11/06Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/143Encoding means therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/02Graphics controller able to handle multiple formats, e.g. input or output formats

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Color Television Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

본 발명은 컴퓨터에서의 영상 신호를 텔레비젼으로 볼 수 있도록 변환하도록 한 컴퓨터와 텔레비젼의 영상신호 인터페이스 장치에 관한 것으로, 컴퓨터(100)로부터의 R, G, B 색 신호를 직류레벨의 변동 없이 일정하게 유지시켜서 출력하는 제1버퍼부(210)와 ; 상기 컴퓨터(100)로부터의 제1수평, 수직 동기 신호를 임시 저장하여 출력하는 제2버퍼부(220)와 ; 상기 제2버퍼부(220)로부터의 제1수평, 수직 동기 신호에 기초하여 제1클럭 신호, 제2클럭 신호와, 읽기/쓰기 제어 신호, 제2수평, 수직 동기 신호를 선택적으로 출력하는 동기 제어부(230)와 ; 상기 동기 제어부(230)로부터의 제1클럭 신호에 의거하여 제1버퍼부(210)로부터의 R, G, B 색 신호를 샘플링하고 소정 비트의 디지탈 색 신호로 변환하여 출력하는 A/D변환부(240)와 ; 상기 동기 제어부(230)로부터의 제1클럭 신호에 동기되어 읽기/쓰기 제어 신호에 의거하여 상기 A/D변환부(240)로부터의 디지탈 색 신호를 하나의 라인량만큼 저장하고, 상기 동기 제어부(230)로부터의 제2클럭 신호에 동기되어 읽기/쓰기 제어 신호에 의거하여 저장된 하나의 라인양만큼의 디지탈 색 신호를 출력하는 라인 메모리부(250)와 ; 상기 라인메모리부(250)로부터의 디지탈 색 신호를 상기 제2클럭 신호에 의거하여 아날로그 R, G, B 색 신호로 변환하여 출력하는 D/A변환부(260)와 ; 상기 동기 제어부(230)로부터의 제2수평, 수직 동기 신호를 합성하여 복합 동기 제어부(230)로부터의 제2수평, 수직 동기 신호를 합성하여 복합 동기 신호를 출력하는 가산부(270)와 ; 상기 D/A변한부(260)로부터의 아날로그 R, G, B 색 신호와 상기 가산부(270)로부터의 복합 동기 신호에 의거하여 텔레비젼 복합 영상 신호를 출력하는 엔코더부(280)를 포함하여, 컴퓨터의 게임 및 입체 영상을 대형 텔레비젼등의 디스플레이 장치로 볼 수 있도록 한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video signal interface device of a computer and a television which converts a video signal from a computer so that it can be viewed on a television. A first buffer portion 210 which is held and output; A second buffer unit 220 for temporarily storing and outputting a first horizontal and vertical synchronization signal from the computer 100; A synchronization for selectively outputting a first clock signal, a second clock signal, a read / write control signal, a second horizontal, and a vertical synchronization signal based on the first horizontal and vertical synchronization signals from the second buffer unit 220 A controller 230; An A / D converter configured to sample R, G, and B color signals from the first buffer unit 210 based on the first clock signal from the synchronization controller 230, and convert the R, G, and B color signals into a predetermined bit of digital color signals 240 and; The digital color signal from the A / D converter 240 is stored by one line based on a read / write control signal in synchronization with the first clock signal from the synchronization controller 230, and the synchronization controller ( A line memory section 250 for synchronizing with the second clock signal from 230 and outputting a digital color signal equal to the amount of one line stored based on the read / write control signal; A D / A converter 260 for converting the digital color signal from the line memory unit 250 into analog R, G, and B color signals based on the second clock signal and outputting the analog color signal; An adder 270 for synthesizing the second horizontal and vertical synchronizing signals from the synchronizing control unit 230 and synthesizing the second horizontal and vertical synchronizing signals from the complex synchronizing control unit 230 and outputting a composite synchronizing signal; And an encoder unit 280 for outputting a television composite video signal based on the analog R, G, and B color signals from the D / A changing unit 260 and the composite synchronization signal from the adder 270, Computer games and stereoscopic images can be viewed on display devices such as large TVs.

Description

컴퓨터와 텔레비변의 영상 신호 인터페이스 장치Computer and TV video signal interface device

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

제1도는 본 발명에 따른 인터페이스 장치에 대한 블럭도.1 is a block diagram of an interface device according to the present invention.

제2도는 본 발명을 설명하기 위한 파형도.2 is a waveform diagram for explaining the present invention.

Claims (2)

컴퓨터(100)의 영상 신호를 텔레비젼 영상 신호 포맷으로 변환할 수 있도록 한 인터페이스 장치(200)로서, 상기 컴퓨터(100)로부터의 R, G, B 색 신호를 직류 레벨의 변동 없이 일정하게 유지시켜서 출력하는 제1버퍼부(210)와 ; 상기 컴퓨터(100)로부터의 제1수평, 수직 동기 신호를 임시 저장하여 출력하는 제2버퍼부(220)와 ; 상기 제2버퍼부(220)로부터의 제1수평, 수직 동기 신호에 기초하여 제1클럭 신호, 제2클럭 신호와, 읽기/쓰기 제어 신호, 제2수평, 수직 동기 신호를 선택적으로 출력하는 동기 제어부(230)와 ; 상기 동기 제어부(230)로부터의 제1클럭 신호에 의거하여 제1버퍼부(210)로부터의 R, G, B 색 신호를 샘플링하고 소정 비트의 디지탈 색 신호로 변환하여 출력하는 A/D변환부(240)와 ; 상기 동기 제어부(230)로부터의 제1클럭 신호에 동기 되어 읽기/쓰기 제어 신호에 의거하여 상기 A/D변환부(240)로부터의 디지탈 색 신호를 하나의 라인량만큼 저장하고, 상기 동기 제어부(230)로부터의 제2클럭 신호에 동기되어 읽기/쓰기 제어 신호에 의거하여 저장된 하나의 라인양만큼의 디지탈 색 신호를 출력하는 라인 메모리부(250)와 ; 상기 라인 메모리부(250)로부터의 디지탈 색 신호를 상기 제2클럭 신호에 의거하여 아날로그 R, G, B 색 신호로 변환하여 출력하는 D/A변환부(260)와 ; 상기 동기 제어부(230)로부터의 제2수평, 수직 동기 신호를 합성하여 복합 동기 제어부(230)로부터의 제2수평, 수직 동기 신호를 합성하여 복합 동기 신호를 출력하는 가산부(270)와 ; 상기 D/A변환부(260)로부터의 아날로그 R, G, B 색 신호와 상기 가산부(270)로부터의 복합 동기 신호에 의거하여 텔레비젼 복합 영상 신호를 출력하는 엔코더부(280)를 포함하는 컴퓨터와 텔레비젼의 영상 신호 인터페이스 장치.An interface device 200 capable of converting a video signal of a computer 100 into a television video signal format, wherein the R, G, and B color signals from the computer 100 are kept constant without a change in a DC level and output. A first buffer portion 210 to be formed; A second buffer unit 220 for temporarily storing and outputting a first horizontal and vertical synchronization signal from the computer 100; A synchronization for selectively outputting a first clock signal, a second clock signal, a read / write control signal, a second horizontal, and a vertical synchronization signal based on the first horizontal and vertical synchronization signals from the second buffer unit 220 A controller 230; An A / D converter configured to sample R, G, and B color signals from the first buffer unit 210 based on the first clock signal from the synchronization controller 230, and convert the R, G, and B color signals into a predetermined bit of digital color signals 240 and; In synchronization with the first clock signal from the synchronization controller 230, the digital color signal from the A / D converter 240 is stored by one line based on a read / write control signal, and the synchronization controller ( A line memory section 250 for synchronizing with the second clock signal from 230 and outputting a digital color signal equal to the amount of one line stored based on the read / write control signal; A D / A converter 260 for converting the digital color signal from the line memory unit 250 into analog R, G, and B color signals based on the second clock signal and outputting the analog color signal; An adder 270 for synthesizing the second horizontal and vertical synchronizing signals from the synchronizing control unit 230 and synthesizing the second horizontal and vertical synchronizing signals from the complex synchronizing control unit 230 and outputting a composite synchronizing signal; A computer comprising an encoder unit 280 for outputting a television composite video signal based on the analog R, G, B color signals from the D / A converter 260 and the composite synchronization signal from the adder 270. And video signal interface device of TV. 제1항에 있어서, 상기 동기 제어부(230)의 제2클럭 신호는 상기 제1클럭 신호를 2분주시켜 출력하는 것을 특징으로 하는 컴퓨터와 텔레비젼의 영상 신호 인터페이스 장치.The video signal interface device of claim 1, wherein the second clock signal of the synchronization controller (230) divides the first clock signal into two divided outputs. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950038532A 1995-10-31 1995-10-31 Video signal interface device of computer and TV KR100196845B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950038532A KR100196845B1 (en) 1995-10-31 1995-10-31 Video signal interface device of computer and TV

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950038532A KR100196845B1 (en) 1995-10-31 1995-10-31 Video signal interface device of computer and TV

Publications (2)

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KR970022682A true KR970022682A (en) 1997-05-30
KR100196845B1 KR100196845B1 (en) 1999-06-15

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KR1019950038532A KR100196845B1 (en) 1995-10-31 1995-10-31 Video signal interface device of computer and TV

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Publication number Priority date Publication date Assignee Title
KR100763190B1 (en) * 2005-12-19 2007-10-04 삼성전자주식회사 Imaging System, Image Signal Format Setting Device and Setting Method

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