KR960009641A - Caption broadcasting channel automatic display device - Google Patents

Caption broadcasting channel automatic display device Download PDF

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Publication number
KR960009641A
KR960009641A KR1019940019785A KR19940019785A KR960009641A KR 960009641 A KR960009641 A KR 960009641A KR 1019940019785 A KR1019940019785 A KR 1019940019785A KR 19940019785 A KR19940019785 A KR 19940019785A KR 960009641 A KR960009641 A KR 960009641A
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South Korea
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caption
unit
signal
level
screen
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KR1019940019785A
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Korean (ko)
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KR970009456B1 (en
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유혜성
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배순훈
대우전자 주식회사
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Priority to KR1019940019785A priority Critical patent/KR970009456B1/en
Publication of KR960009641A publication Critical patent/KR960009641A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/16Picture reproducers using cathode ray tubes

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

본 발명은 켑션방송이 실린 방송채널을 CRT스크린상에 OSD형태로 디스플레이 함으로써 상용자에게 캡션방송선택을 용이하게 할 수 있도록 한 캡션방송채널 자동디스플레이 장치를 제공한다.The present invention provides a caption broadcasting channel automatic display device that enables a caption broadcasting selection to be easily made by a commercial user by displaying a broadcasting channel on which a broadcasting section is broadcasted in an OSD form on a CRT screen.

이를 위해 본 발명은, 중간주파수증폭부(2)로 부터 출력되는 복합영상신호중 연상신호만을 추출하여 처리하기 위한 영상처리부와, 키입력부(20)로 부터 선택된 소정의 모드에 따라 마이크로프로세서(30)에서 출력되는 소정의 제어신호에 의해 활성화되어 상기 중간주파수증폭부(2)로 부터의 복합영상신호 중 캡션신호만을 추출해서 디코딩함으로서 CRT부(8)의 스크린상에 캡션문자데이터 표시영역을 설정해주는 박스신호(BOX)와 그영역의 문자데이터에 디응하는 PBG신호를 출력하기 위한 캡션디코더부(3), 마이크로프로세서(30)와 메모리(301)로 이루어지고 상기 메모리(301)에 는 키입력부(20)를 통해 입력가능한 복수개의 방송채널에 대한 코드데이터가 기억되고, 마이크로프로세서(30)는 캡션채널거색시간이 세팅되어 상기 키입력부(20)로 부터 캡션방송채널자동검색모드를 선택하면 상기 메모리(301)에 기억된 복수개의 방송채널검출/캡션제어부(50)를 갖춘 텔레비젼시스템에 있어서, 상기 캡션디코더부(3)의 박스포트(BOX)에서 출력되는 펄스신호를 송출받아 그 펄스파형정형된 펄스신호레벨을 받아서 자체의 기준신호레벨과 비교하여 출력하는 페벨판정부(5), 이 레벨판정부(5)로부터 하이레벨신호를 받아서 자체의 기준신호레벨과 비교하여 출력하는 레벨판정부(5)이레벨판정부(5)로 부터의 하이레벨신호를 받아서 일체로 형성된 메모리(7)로 부터 소정의 OSD무자데이터를 독출하여 CRT부(8)의스크린상에 디스플레이하고, 또 상기 키입력부(20)로 부터 소정의 모드가 선택됨에 따라 마이크로프로세서(30)로 부터 소정의 제어신호가 송출되면 CRT부(8)의 스크린상에 기본 OSD초기화면을 디스플레이하기 위한 OSD처리부(6)와 상기 CRT부(8)의 스크린상에 디스플레이되는 모든 OSD문자데이터가 저장되어 있는 메모리(7)로 이루어진 OSD제어부(10)를 더구비하여 구성된다.To this end, the present invention, the image processing unit for extracting and processing only the associative signal from the composite image signal output from the intermediate frequency amplifier 2, and the microprocessor 30 in accordance with a predetermined mode selected from the key input unit 20 The caption character data display area is set on the screen of the CRT unit 8 by extracting and decoding only the caption signal of the composite video signal from the intermediate frequency amplification unit 2, which is activated by a predetermined control signal output from A caption decoder 3 for outputting a PBG signal corresponding to the box signal BOX and the character data of the area is composed of a microprocessor 30 and a memory 301. The memory 301 includes a key input unit ( 20. Code data for a plurality of broadcast channels that can be inputted through 20) is stored, and the microprocessor 30 sets a caption channel color time to set the caption broadcast channel ruler from the key input unit 20. When the same search mode is selected, a television system having a plurality of broadcast channel detection / caption control units 50 stored in the memory 301, which outputs a pulse signal output from the box port of the caption decoder unit 3. Receives the pulse-shape pulsed pulse level, compares it with its own reference signal level, and outputs it according to its level. Level output section 5 outputs the high level signal from level decision section 5, reads out predetermined OSD-free data from memory 7 formed integrally, and displays it on the screen of CRT section 8. If a predetermined control signal is sent from the microprocessor 30 as a predetermined mode is selected from the key input unit 20, the OSD for displaying a basic OSD initial screen on the screen of the CRT unit 8 is selected. Processing part (6) And a memory control unit (10) comprising a memory (7) in which all OSD text data displayed on the screen of the CRT unit (8) is stored.

Description

캡션방송채널 자동디스플레이장치Caption broadcasting channel automatic display device

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

제1도는 본 발명에 따른 캔션방송채널 자동디스플레이장치의 블록도.1 is a block diagram of an automatic cancellation channel automatic display device according to the present invention.

제2도는 제1도에 도시된 파형정형부의 상세회로도.2 is a detailed circuit diagram of the waveform shaping unit shown in FIG.

제3도는 제1도에 도시된 레벨판정부의 상세회로도 및 그 출력파형을 나타낸 도면.3 is a detailed circuit diagram of the level decision unit shown in FIG. 1 and an output waveform thereof;

제4도(a)및 제4도(b)는 캡션방송채널이 OSD로 화면에 디스플레이되는 형상을 나타낸 도면.4 (a) and 4 (b) show the caption broadcasting channel displayed on the screen by the OSD.

Claims (3)

중간주파증폭부(2)로부터 출력되는 복합영상신호중 영상신호만을 추출하여 처리하기 위한 영상처리부와, 키입력부(20)로부터 선택된 소정의 모드에 따라 마이크로프로세서(30)에서 출력되는 소정의 제어신호에 의해 활성화되어 상기 중간주파증폭부(2)로부터의 복합영상신호중 캡션신호만을 추출해서 디코딩함으로써 CRT부(8)의 스크린상에 캡션문자데이터표시영역을 설정해주는 박스신호(BOX)와 그 영역의 문자데이터에 대응하는 RGB 신호를 출력하기 위한 캡션디코더부(3), 마이크로프로세서(30)와 메모리(301)로 이루어지고 상기 메모리(301)에는 키입력부(20)를 통해 입력가능한 복수개의 방송채널에 대한 코드데이터가 기억되고, 마이크로프로세서(30)는 캡션채널검색시간이 세팅되어 상기 키입력부(20)로부터 캡션방송채널 자동검색모드를 선택하면 상기 메모리(301)에 기억된 복수개의 방송채널에 대한 코드데이터가 소정의 시간간격을 두고 순차적으로 튜너부(1)로 송출되는 방송채널검출/캡션제어부(50)를 갖춘 텔레비젼시스템에 있어서, 상기 캡션디코더부(3)의 박스포트(BOX)에서 출력되는 펄스신호를 송출받아 그 펄스파형을 정형화하기 위한 파형정형부(4)와, 이 파형정형부(4)에서 출력되는 파형정형된 펄스신호레벨을 받아서 자체의 기준신호레벨과 비교하여 출력하는 레벨판정부(5) 및, 이 레벨판정부(5)로부터의 하이레벨신호를 받아서 일체로 형성된 메모리(7)로부터 소정의 OSD 문자데이터를 독출하여 CRT부(8)의 스크린상에 디스플레이하고, 또 상기 키입력부(20)로부터 소정의 모드가 선택됨에 따라 마이크로프로세서(30)로부터 소정의 제어신호가 송출되면 CRT부(8)의 스크린상에 기본 OSD 초기화면을 디스플레이하기 위한 OSD 처리부(6)와 상기 CRT부(8)의 스크린상에 디스플레이되는 모든 OSD 문자데이터가 저장되어 있는 메모리(7)로 이루어진 OSD 제어부(10)를 더 구비하여 구성된 것을 특징으로 하는 캡션방송채널 자동디스플레이장치.An image processor for extracting and processing only an image signal among the composite image signals output from the intermediate frequency amplifier 2 and a predetermined control signal output from the microprocessor 30 according to a predetermined mode selected from the key input unit 20. A box signal (BOX) that sets the caption character data display area on the screen of the CRT unit 8 by extracting and decoding only the caption signal of the composite video signal from the intermediate frequency amplifier unit 2 by the character of the area. A caption decoder 3 for outputting an RGB signal corresponding to data, a microprocessor 30 and a memory 301 is provided to a plurality of broadcast channels that can be input through the key input unit 20. Code data is stored, and the microprocessor 30 sets the caption channel search time and selects the caption broadcast channel auto search mode from the key input unit 20. In a television system having a broadcast channel detection / caption control section (50) in which code data for a plurality of broadcast channels stored in a memory (301) are sequentially sent to the tuner section (1) at a predetermined time interval, the caption Waveform shaping section 4 for receiving the pulse signal output from box port BOX of decoder section 3 and shaping the pulse waveform, and waveform shaping pulse signal level output from shaping section 4 Receives predetermined high level signals from the level determining unit 5 and outputs the predetermined OSD character data from the memory 7 integrally formed with the unit 7; Displayed on the screen of the CRT unit 8, and when a predetermined control signal is sent from the microprocessor 30 as the predetermined mode is selected from the key input unit 20, the screen on the screen of the CRT unit 8 is displayed. OSD initial screen And a OSD control section (10) consisting of an OSD processing section (6) for displaying and a memory (7) storing all OSD text data displayed on the screen of the CRT section (8). Broadcast channel automatic display device. 제1항에 있어서, 상기 파형정형부(4)는 전압분배용 저항(R1, R2)과, 저항(R3)과 캐패시터(C1)로 이루어진 적분회로로 구성되어 상기 캡션디코더부(3)의 박스포트(BOX)에서 출력되는 펄스신호를 정형화하는 것을 특징으로 하는 방송채널 자동디스플레이장치.2. The box according to claim 1, wherein the waveform shaping section (4) comprises an integrating circuit consisting of voltage distribution resistors (R1, R2), resistors (R3) and capacitors (C1). A broadcast channel automatic display device characterized in that the shaping of the pulse signal output from the port (BOX). 제2항에 있어서, 상기 레벨판정부(5)는 하나의 비교수단(OP1)과, 이 비교수단(OP1)의 반전입력단자(-)에 병렬접속되어 소정의 기준전위레벨을 걸리게 하는 저항(R1, R2)과, 캐패시터(C1)로 이루어지고, 상기 비교수단(OP1)의 비반전입력단자(+)에는 상기 파형정형부(4)에서 파형정형되어 출력되는 펄스신호가 입력되며 반전입력단자(-)에는 상기 소정레벨의 기준전위가 입력·비교됨으로써 상기 입력신호레벨이 기준레벨보다 큰 경우에만 그 출력단에서 하이레벨신호를 출력하도록 된 것을 특징으로 하는 캡션방송채널 자동디스플레이장치.3. A resistor according to claim 2, wherein the level judging unit (5) is connected in parallel with one comparing means (OP1) and an inverting input terminal (-) of the comparing means (OP1) to apply a predetermined reference potential level. R1 and R2 and a capacitor C1, and a pulse signal output by waveform shaping from the waveform shaping section 4 is input to a non-inverting input terminal (+) of the comparison means OP1, and an inverting input terminal. Caption broadcasting channel automatic display device characterized in that the output terminal outputs a high level signal only when the input signal level is greater than the reference level by inputting and comparing the reference potential of the predetermined level. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940019785A 1994-08-11 1994-08-11 Automatic display apparatus for caption channel KR970009456B1 (en)

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Application Number Priority Date Filing Date Title
KR1019940019785A KR970009456B1 (en) 1994-08-11 1994-08-11 Automatic display apparatus for caption channel

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Application Number Priority Date Filing Date Title
KR1019940019785A KR970009456B1 (en) 1994-08-11 1994-08-11 Automatic display apparatus for caption channel

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KR960009641A true KR960009641A (en) 1996-03-22
KR970009456B1 KR970009456B1 (en) 1997-06-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980044943A (en) * 1996-12-09 1998-09-15 구자홍 Metabolism Confirmation Device and Method Using Caption
KR100421839B1 (en) * 1997-01-27 2004-04-17 엘지전자 주식회사 Osd device using java processor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980044943A (en) * 1996-12-09 1998-09-15 구자홍 Metabolism Confirmation Device and Method Using Caption
KR100421839B1 (en) * 1997-01-27 2004-04-17 엘지전자 주식회사 Osd device using java processor

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