KR970032099A - Image blocking control device by transmission data of TV - Google Patents

Image blocking control device by transmission data of TV Download PDF

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Publication number
KR970032099A
KR970032099A KR1019950044083A KR19950044083A KR970032099A KR 970032099 A KR970032099 A KR 970032099A KR 1019950044083 A KR1019950044083 A KR 1019950044083A KR 19950044083 A KR19950044083 A KR 19950044083A KR 970032099 A KR970032099 A KR 970032099A
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South Korea
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code
video
signal
blocking
image
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KR1019950044083A
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Korean (ko)
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KR0170974B1 (en
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김성준
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배순훈
대우전자 주식회사
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Priority to KR1019950044083A priority Critical patent/KR0170974B1/en
Publication of KR970032099A publication Critical patent/KR970032099A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268Signal distribution or switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • H04N5/08Separation of synchronising signals from picture signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/148Video amplifiers
    • 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
    • H04N5/445Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • 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
    • H04N7/087Systems 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 with signal insertion during the vertical blanking interval only

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

Abstract

본 발명은 텔레비전의 전송데이터에 의한 영상차단제어장치에 관한 것으로, 튜너(2)에 의해 선국된 소정 채널의 영상신호를 영상IF모듈(4)에서 영상중간주파증폭되어 영상증폭부(6)를 통해 신호증폭된 다음에, 영상신호처리부(8)에서 영상신호처리되어 영상재생되는 텔레비전에 있어서; 상기 영상증폭부(6)로 부터의 영상신호에서 수평동기신호와 수직동기신호를 분리하여 추출하는 수평/수직동기추출수단(10, 16, 18)과, 상기 추출된 동기신호의 수직귀선기간에 포함된 영상차단위치에 대한 코드정보를 갖춘 전송코드데이터를 검출하는 전송데이터검출수단(12, 14), 영상재생되는 화면영역을 부분적으로 영상차단하기 위한 영상차단기능을 키설정하는 기능설정수단(20), 상기 검출되는 전송코드데이터를 해독하기 위한 제어프로그램데이터가 메모리된 메모리수단(22), 상기 기능설정수단(20)에 의한 영상차단기능에 따라 상기 전송데이터검출수단(12,14)에서 검출되는 전송코드데이터를 상기 제어프로그램데이터에 의해 해독하여 해당되는 화면영역을 부분적으로 영상차단하기 위한 영상차단제어를 수행하는 제어수단(24), 상기 제어수단(24)의 제어하에 영상차단을 위한 표시정보신호를 발생하여 상기 추출된 수평/수직 동기신호에 동기적으로 표시위치가 지정되는 표시신호처리수단(26, 28) 및, 상기 제어수단(24)의 제어하에 고속으로 스위칭절환되어 상기 영상신호처리부(8)로 부터의 복합영상신호에 따른 화면영역에 대해 상기 발생된 표시정보신호가 지정된 화면영역을 제한적으로 영상차단시킬 수 있도록 하는 스위칭절환수단(30)을 구비하여 구성된 것을 특징으로 한다.The present invention relates to an apparatus for controlling video interruption by transmission data of a television. The video signal of a predetermined channel tuned by the tuner 2 is amplified by the video intermediate frequency by the video IF module 4. In a television which has been amplified by a signal and then processed by a video signal processor (8) for video reproduction; Horizontal / vertical synchronous extracting means (10, 16, 18) for separating and extracting the horizontal synchronous signal and the vertical synchronous signal from the image signal from the image amplification unit (6), and in the vertical retrace period of the extracted synchronous signal. Transmission data detecting means (12, 14) for detecting the transmission code data having code information on the video blocking position included therein; and function setting means for key setting an image blocking function for partially blocking the screen region to be reproduced (image); 20), the memory means 22 in which control program data for decoding the detected transmission code data is stored, and in the transmission data detection means 12, 14 in accordance with an image blocking function by the function setting means 20. Control means 24 for performing image blocking control for decoding the detected transmission code data by the control program data to partially block the corresponding screen area. Display signal processing means (26, 28) for generating a display information signal for blocking the image under control to designate a display position synchronously with the extracted horizontal / vertical synchronization signal, and under the control of the control means (24) And switching switching means 30 for switching the screen region to which the generated display information signal is limited to the screen region specified in the screen region according to the composite image signal from the image signal processor 8. Characterized in that configured.

Description

텔레비전의 전송데이터에 의한 영상차단제어장치Image blocking control device by transmission data of TV

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

제 1도는 본 발명에 따른 텔레비전의 전송데이터에 의한 영상차단제어장치를 나타낸 블럭구성도.1 is a block diagram showing an apparatus for controlling video interruption by transmission data of a television according to the present invention.

Claims (4)

튜너(2)에 의해 선국된 소정 채널의 영상신호를 영상IF모듈(4)에서 영상중간주파증폭되어 영상증폭부(6)를 통해 신호증폭된 다음에, 영상신호처리부(8)에서 영상신호처리되어 영상재생되는 텔레비전에 있어서, 상기 영상증폭부(6)로 부터의 영상신호에서 수평동기신호와 수직동기신호를 분리하여 추출하는 수평/수직동기추출수단(10, 16, 18)과, 상기 추출된 동기신호의 수직귀선기간에 포함된 영상차단위치에 대한 코드정보를 갖춘 전송코드데이터를 검출하는 전송데이터검출수단(12,14), 영상재생되는 화면영역을 부분적으로 영상차단하기 위한 영상차단기능을 키설정하는 기능설정수단(20), 상기 검출되는 전송코드데이터를 해독하기 위한 제어프로그램데이터가 메모리된 메모리수단(22), 상기 기능설정수단(20)에 의한 영상차단기능에 따라 상기 전송데이터검출수단(12,14)에서 검출되는 전송코드데이터를 상기 제어프로그램데이터에 의해 해독하여 해당되는 화면영역을 부분적으로 영상차단하기 위한 영상차단제어를 수행하는 제어수단(24), 상기 제어수단(24)의 제어하에 영상차단을 위한 표시정보신호를 발생하여 상기 추출된 수평/수직동기신호에 동기적으로 표시위치가 지정되는 표시신호처리수단(26, 28) 및, 상기 제어수단(24)의 제어하에 고속으로 스위칭절환되어 상기 영상신호처리부(8)로 부터의 복합영상신호에따른 화면영역에 대해 상기 발생된 표시정보신호가 지정된 화면영역을 제한적으로 영상차단시킬 수 있도록 하는 스위칭절환수단(30)을 구비하여 구성된 것을 특징으로 하는 텔레비전의 전송데이터에 의한 영상차단제어장치.The video signal of the predetermined channel tuned by the tuner 2 is amplified by the video intermediate frequency in the video IF module 4 and amplified by the video amplifier 6, and then processed by the video signal processor 8 for video signal processing. In the television which is reproduced and reproduced, the horizontal / vertical synchronous extraction means (10, 16, 18) for extracting the horizontal synchronous signal and the vertical synchronous signal separately from the video signal from the video amplification unit (6), and the extraction. Transmission data detection means (12,14) for detecting transmission code data having code information on the video blocking position included in the vertical retrace period of the synchronized signal, and an image blocking function for partially blocking the screen region to be reproduced A function setting means 20 for setting a key, a memory means 22 having stored therein control program data for decrypting the detected transmission code data, and the transmission data according to an image blocking function by the function setting means 20. Control means 24 for performing image blocking control for partially blocking the corresponding screen area by decoding the transmission code data detected by the detector detecting means 12 and 14 by the control program data; Display signal processing means (26, 28) for generating a display information signal for blocking the image under the control of 24) and specifying a display position synchronously with the extracted horizontal / vertical synchronous signal; Switching switching means (30) for switching at high speed under control so that the generated display information signal can block the specified screen area with respect to the screen area according to the composite video signal from the video signal processor (8). And an apparatus for controlling video interruption by transmission data of a television, comprising a). 제 1항에 있어서, 상기 전송데이터검출수단(12, 14)에 의해 검출되는 전송코드데이터는 헤더코드(34)와, 동기코드(35), 영상차단을 위한 코드임을 인식하기 위한 인식코드(36), 영상차단하고자 하는 화면영역의 수평위치를 지정하는 수평위치코드(37) 및, 영상차단하고자 하는 화면영역의 수직위치를 지정하는 수직위치코드(28)로 이루어지고, 상기 제어수단(24)은 상기 수평위치코드(27)를 해독하여 영상차단하는 화면영역의 수평위치를 지정제어하고, 상기 수직위치코드(28)를 해독하여 영상차단하는 화면영역의 수직위치를 지정제어하는 것을 특징으로 하는 텔레비전의 전송데이터에 의한 영상차단제어장치.2. The identification code (36) according to claim 1, wherein the transmission code data detected by said transmission data detecting means (12, 14) are a header code (34), a synchronization code (35), and a code for blocking an image. ), A horizontal position code 37 for designating the horizontal position of the screen region to be blocked, and a vertical position code 28 for specifying the vertical position of the screen region to be blocked, wherein the control means 24 Designates and controls the horizontal position of the screen region to decode and block the horizontal position code 27, and designates and controls the vertical position of the screen region to decode and block the vertical position code 28. An apparatus for controlling video interruption by transmission data of a television. 제 1항에 있어서, 상기 전송데이터검출수단(12,14)에 의해 검출되는 전송코드데이터를 이루는 인식코드(36)는 영상영역(42A)을 차단하기 위한 데이터코드로 이루어지고, 상기 제어수단(24)은 상기 인식코드(36)에 따라 영상영역(42A)의 차단여부를 나타내는 제 1 표시문자(40A)가 상기 표시신호처리수단(26, 28)에 의해 화면표시되도록 제어하는 것을 특징으로 하는 텔레비전의 전송데이터에 의한 영상차단제어장치.2. The identification code (36) according to claim 1, wherein the recognition code (36), which constitutes the transmission code data detected by said transmission data detection means (12, 14), consists of a data code for blocking the image area (42A), and said control means ( 24 is characterized in that the first display character (40A) indicating whether or not the image area 42A is blocked in accordance with the recognition code 36 to control the screen display by the display signal processing means (26, 28) An apparatus for controlling video interruption by transmission data of a television. 제 3항에 있어서, 상기 전송데이터검출수단(12, 14)에 의해 검출되는 전송코드데이터를 이루는 인식코드(36)는 자막영역(42B)을 차단하기 위한 데이터코드로 이루어지고, 상기 제어수단(43B)은 상기 인식코드(36)에 따라 자막영역(42B)의 차단여부를 나타내는 제 2 표시문자(40B)가 상기 표시신호처리수단(26, 28)에 의해 화면표시되도록 제어하는 것을 특징으로 하는 텔레비전의 전송데이터에 의한 영상차단제어장치.4. The identification code (36) according to claim 3, wherein the recognition code (36) of the transmission code data detected by said transmission data detection means (12, 14) is made of a data code for blocking the subtitle area (42B), and said control means ( 43B) controls that the second display character 40B indicating whether or not the subtitle area 42B is blocked in accordance with the recognition code 36 is displayed on the screen by the display signal processing means 26 or 28. An apparatus for controlling video interruption by transmission data of a television. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950044083A 1995-11-28 1995-11-28 Video display blocking control apparatus by transmitting code data for television KR0170974B1 (en)

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Application Number Priority Date Filing Date Title
KR1019950044083A KR0170974B1 (en) 1995-11-28 1995-11-28 Video display blocking control apparatus by transmitting code data for television

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Application Number Priority Date Filing Date Title
KR1019950044083A KR0170974B1 (en) 1995-11-28 1995-11-28 Video display blocking control apparatus by transmitting code data for television

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KR970032099A true KR970032099A (en) 1997-06-26
KR0170974B1 KR0170974B1 (en) 1999-03-20

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