KR950010509A - Image mute device and method - Google Patents

Image mute device and method Download PDF

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Publication number
KR950010509A
KR950010509A KR1019930019105A KR930019105A KR950010509A KR 950010509 A KR950010509 A KR 950010509A KR 1019930019105 A KR1019930019105 A KR 1019930019105A KR 930019105 A KR930019105 A KR 930019105A KR 950010509 A KR950010509 A KR 950010509A
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South Korea
Prior art keywords
image
video
control signal
mute
muting
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KR1019930019105A
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Korean (ko)
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KR960009812B1 (en
Inventor
성한선
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이헌조
주식회사 금성사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • 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
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/76—Circuits for processing colour signals for obtaining special effects for mixing of colour signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

이 발명은 사용자가 시스템작동을 조작하기 위해 데이터 입력수단에 입력하는 데이터와 과도상태감시수단에서 출력되는 데이터와 편향수단에서 출력되는 수평/수직동기신호에 따라 주변장치를 전반적으루 제어하는 시스템 콘트롤러와, 상기 시스템콘트롤러에서 출력되는 OSD영상제어신호에 따라 입력된 적, 녹, 청색신호를 스위칭하여 영상복조수단에서 출력된 색차신호와 혼합하여 수상관에서 공급하는 R.G.B 스위칭수단과, 상기 시스템콘트롤러에서 출력되는 영상뮤트제어신호를 소정시간동안 지연시키는 지연수단과, 상기 지연수단에서 지연영상뮤트제어신호에 따라 R.G.B 스위칭수단에 공급되는 OSD영상제어신호를 스위칭하여 영상을 뮤트하는 영상뮤트수단으로 구성되어 과도상태일때 수직동기 신호에 매칭되어 수직귀선소거기간동안 영상을 뮤트하는 장치 및 방법에 관한 것이다.The present invention provides a system controller for overall control of the peripheral device according to the data input by the user to the data input means to manipulate the system operation, the data output from the transient monitoring means and the horizontal / vertical synchronous signal output from the deflection means. RGB switching means for supplying red, green and blue signals input according to the OSD image control signal output from the system controller and mixing them with the color difference signals output from the image demodulation means and supplying them from the receiving tube, and outputting from the system controller. A delay means for delaying the video mute control signal for a predetermined time and an image mute means for muting the video by switching the OSD video control signal supplied to the RGB switching means according to the delayed video mute control signal. State, the video is matched to the vertical sync signal and muted during the vertical blanking period. The present invention relates to an apparatus and a method for making a test.

Description

영상뮤트장치 및 그 방법Image mute device and method

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

제 1 도는 종래의 영상기록재생기에 채용된 영상뮤트장치를 나타낸 블록도.1 is a block diagram showing a video muting device employed in a conventional video recording and reproducing apparatus.

제 2 도는 제 1 도에 도시된 영상뮤트장치가 작동될때의 화면상태를 나타낸 도면.2 is a view showing a screen state when the video muting apparatus shown in FIG. 1 is operated.

제 3 도는 본 발명의 실시예에 따른 영상뮤트장치를 나타낸 도면.3 is a view showing an image mute device according to an embodiment of the present invention.

제 4 도는 제 3 도에 도시된 영상뮤트장치의 입출력 파형도.4 is an input / output waveform diagram of the image muting device shown in FIG.

제 5 도는 본 발명의 실시예에 의한 영상뮤트장치가 작동될때의 화면상태를 나타낸 도면.5 is a view showing a screen state when the video muting device according to an embodiment of the present invention is operated.

제 6 도는 본 발명의 다른 실시예에 의한 영상뮤트장치를 나타낸 도면.6 is a view showing an image muting device according to another embodiment of the present invention.

제 7 도는 본 발명에 의한 영상뮤트장치의 작동을 설명하기 위한 플로우챠트.7 is a flowchart for explaining the operation of the video muting apparatus according to the present invention.

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

10 : 데이터입력수단20 : 시스템콘트롤러10: data input means 20: system controller

30 : 과도상태감지수단40 : 튜너30: transient detection means 40: tuner

50 : IF처리수단60 : 영상복조수단50: IF processing means 60: image demodulation means

70 : 영상뮤팅수단80 : R. G. B 스위칭70: video muting means 80: R. G. B switching

90 : 편향수단100 : 수상관90: deflection means 100: water pipe

110 : 지연수단120 : 음성신호처리수단110: delay means 120: voice signal processing means

130 : 음성뮤팅수단140 : 스피커130: voice muting means 140: speaker

Claims (7)

사용자가 시스템작동을 조작하기 위해 데이터 입력수단에 입력하는 데이터와 과도상태감지수단에서 출력되는 데이터와 편향수단에서 출력되는 수평/수직동기신호에 따라 주변장치를 전반적으로 제어하는 시스템콘트롤러와, 상기 시스템콘트롤러에서 출력되는 OSD영상제어신호에 따라 입력된 적, 녹, 청색신호를 스위칭하여 영상복조수단에서 출력된 색차신호와 혼합하여 수상관에 공급하는 R. G. B 스위칭수단과, 상기 시스템콘트롤러에서 출력되는 영상뮤트제어신호를 소정시간동안 지연시키는 지연수단과상기 지연수단에서 지연영상뮤트제어신호에 따라 R. G. B 스위칭수단에 공급되는 OSD영상제어신호를 스위칭하여 영상을 뮤트하는 영상뮤트수단으로 구성된 것을 특징으로 영상뮤트장치.A system controller for overall control of the peripheral device according to the data input to the data input means, the data output from the transient detection means, and the horizontal / vertical synchronous signal output from the deflection means to manipulate the system operation; RG B switching means for switching the red, green, and blue signals input according to the OSD image control signal output from the controller and mixing them with the color difference signals output from the image demodulation means and supplying them to the water pipe, and the image output from the system controller. A delay means for delaying the mute control signal for a predetermined time and an image mute means for muting the image by switching the OSD image control signal supplied to the RG B switching means according to the delayed image mute control signal from the delay means. Mute device. 제 1 항에 있어서, 상기 지연수단은 펄스업엣지인 수직동기신호에 의해서 입력신호인 영상뮤트제어신호를 래취하여 출력하도록 된 것을 특징으로 하는 영상뮤트장치2. The video muting device according to claim 1, wherein the delay means latches and outputs an image muting control signal as an input signal by a vertical synchronization signal which is a pulse up edge. 제 1 항 및 제 2 항에 있어서, 상기 지연수단은 D형 플립플롭으로 구성된 것을 특징으로 하는 영상뮤트장치.The video muting device according to claim 1 or 2, wherein the delay means is configured of a D flip-flop. 제 1 항 내지 제 3 항중 그 어느 한항에 있어서, 상기 영상뮤트수단은 지연수단에서 출력된 영상뮤트제어신호의 레벨에 따라 작동하여 R. G. B 스위칭수단에 공급되는 OSD영상제어신호를 스위칭하는 트랜지스터로 구성된 것을 특징으로 하는 영상뮤트장치.4. The video muting means according to any one of claims 1 to 3, wherein the video muting means is constituted by a transistor which operates according to the level of the video muting control signal output from the delay means and switches the OSD image control signal supplied to the RG B switching means. Image mute device characterized in that. 제 1 항에 있어서, 상기 시스템콘트롤러에서 출력되는 영상뮤트제어신호에 의해 작동되어 음성신호처리수단에서 출력되어 스피커에 공급되는 음성신호를 뮤팅하기 위한 영상뮤트수단을 추가로 구비한 것을 특징으로 하는 영상뮤트장치.The video image control apparatus according to claim 1, further comprising an image muting means for muting an audio signal which is operated by an image muting control signal output from the system controller and output from a voice signal processing means and supplied to a speaker. Mute device. 사용자가 시스템을 조작하기 위한 데이타를 입력하였는가를 판단하는 제 1 판단스텝과, 상기 제 1 판단스텝에서 시스템 조작데이터가 입력되었으면 시스템을 전반적으로 제어하는 시스템콘트롤러의 R. G. B 색신호 출력포트와 영상뮤트제어신호출력포트 및 OSD영상제어신호의 출력포트의 출력을 초기화시키는 초기스텝과, 상기 초기화스텝에서 각 출력포트의 출력신호가 "로우"상태로 초기화 되면 안테나에서 수신정보를 디스플레이하는 도중에 과도상태인가를 판단하는 제 2 판단스텝과, 상기 제 2 판단스텝에서 판단결과 과도상태이면 수직동기신호가 입력되었는가를 판단하는 수직동기신호입력판단스텝과, 상기 수직 동기신호 입력판단스텝에서 판단결과 엘스업엣지에 해당된 수직 동기신호가 입력되었으면 영상뮤트출력포트를 "하이"상태로 반전하여 영상뮤트제어신호를 발생하는 영상뮤트제어신호발생스텝과, 상기 영상뮤트제어신호발생스텝에서 영상뮤트제어신호가 발생되면 수직 귀간기간동안 영상뮤팅을 동작 및 해제하는 영상뮤트스텝으로 이루어진 것을 특징으로 하는 영상뮤트방법.A first judging step for judging whether a user inputs data for operating the system, an RG B color signal output port and an image mute control of a system controller that controls the system as a whole if system operation data is inputted in the first judging step; The initial step of initializing the output of the signal output port and the output port of the OSD image control signal, and if the output signal of each output port is initialized to the "low" state in the initializing step, whether the transient state is displayed while the reception information is displayed on the antenna. A second judgment step for judging, a vertical synchronous signal input judging step for judging whether or not a vertical synchronous signal has been input if the judging result is excessive in the second judging step, and a determination result at the els up edge in the vertical synchronous signal input judging step. When the corresponding vertical sync signal is input, the video mute output port is inverted to the "high" state. And a video mute control signal generation step of generating a video mute control signal, and an image mute step of operating and releasing the video muting during the vertical blind period when the video mute control signal is generated in the video mute control signal generation step. Image mute method. 제 6 항에 있어서, 상기 수직동기신호입력판단스텝에서 수직동기신호가 입력되지 않으면 입력된 정보를 디스플레이 하는 스텝으로 이루어진 것을 특징으로 하는 영상뮤트방법.7. The video mute method according to claim 6, wherein the image muting method comprises the step of displaying the input information if the vertical synchronization signal is not input in the vertical synchronization signal input determination step. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR93019105A 1993-09-21 1993-09-21 Video muting method and apparatus KR960009812B1 (en)

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Application Number Priority Date Filing Date Title
KR93019105A KR960009812B1 (en) 1993-09-21 1993-09-21 Video muting method and apparatus

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Application Number Priority Date Filing Date Title
KR93019105A KR960009812B1 (en) 1993-09-21 1993-09-21 Video muting method and apparatus

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KR950010509A true KR950010509A (en) 1995-04-28
KR960009812B1 KR960009812B1 (en) 1996-07-24

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