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KR950005022A - Blanking level adjusting method and device - Google Patents

Blanking level adjusting method and device Download PDF

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Publication number
KR950005022A
KR950005022A KR1019930014893A KR930014893A KR950005022A KR 950005022 A KR950005022 A KR 950005022A KR 1019930014893 A KR1019930014893 A KR 1019930014893A KR 930014893 A KR930014893 A KR 930014893A KR 950005022 A KR950005022 A KR 950005022A
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KR
South Korea
Prior art keywords
level
blanking
signal
aspect ratio
blanking level
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KR1019930014893A
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Korean (ko)
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KR0148141B1 (en
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김준래
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김광호
삼성전자 주식회사
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Priority to KR1019930014893A priority Critical patent/KR0148141B1/en
Publication of KR950005022A publication Critical patent/KR950005022A/en
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Publication of KR0148141B1 publication Critical patent/KR0148141B1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor

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

Abstract

본 발명은 블랭킹레벨조정방법 및 그 장치에 관한 것으로서, 특히 적분과정을 통하여 입력되는 주화면신호의 DC레벨에 의해서 변환되는 값을 와이드스크린상의 4:3화면 좌우블랭킹구간레벨로 설정하도록 하므로써 입력되는 주화면밝기에 상응하여 블랭킹레벨도 조정되도록 하는 것에 관한 것이다. 따라서, 본 발명은 좌우블랭킹레벨이 주화면에 영향을 주지 않아 주화면밝기를 항상 일정하게 유지할 수 있는 효과를 제공한다.The present invention relates to a blanking level adjusting method and a device thereof, and more particularly, by inputting a value converted by a DC level of a main screen signal input through an integration process to a 4: 3 screen left and right blanking interval level on a wide screen. The blanking level is also adjusted to correspond to the brightness of the main screen. Accordingly, the present invention provides the effect that the left and right blanking levels do not affect the main screen so that the main screen brightness is kept constant at all times.

Description

블랭킹레벨조정방법 및 그 장치Blanking level adjusting method and device

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

제1도는 종래의 와이드(WIDE) 화면에 영상신호를 디스플레이하는 장치를 나타내는 블록도, 제2도는 본 발명이 적용된 와이드(WIDE) 화면에 영상신호를 디스플레이하는 장치를 나타내는 블록도.1 is a block diagram showing a device for displaying a video signal on a conventional wide (WIDE) screen, Figure 2 is a block diagram showing a device for displaying a video signal on a wide (WIDE) screen to which the present invention is applied.

Claims (5)

제1화면비로 구성된 영상신호를 상기 제1화면비보다 넓은 제2화면비의 구조를 갖는 수상관에 디스플레이시키는 장치에 있어서, 입력되는 영상신호의 직류레벨에 상응하는 값을 블랭킹레벨로 출력하는 블랭킹레벨발생부; 상기 영상신호를 주사선단위로 저장하는 선입선출메모리; 및 상기 선입선출메모리와 블랭킹레벨발생부의 출력단에 접점이 연결되어 수상관의 현시상태에 상응하는 소정의 제어신호에 응답하여 해당접점을 스위칭하는 스위치부를 포함하는 블랭킹레벨조정장치.An apparatus for displaying an image signal composed of a first aspect ratio on a water pipe having a structure having a second aspect ratio wider than the first aspect ratio, the apparatus comprising: generating a blanking level for outputting a value corresponding to a DC level of an input image signal as a blanking level part; A first-in, first-out memory for storing the video signal in units of scan lines; And a switch unit connected to an output terminal of the first-in first-out memory and the blanking level generator to switch the corresponding contact in response to a predetermined control signal corresponding to the appearance state of the water pipe. 제1항에 있어서, 상기 블랭킹레벨발생부는 디스플레이될 영상신호를 적분하여 직류성분의 신호를 구하는 적분기; 및 상기 적분기로부터 인가되는 신호를 디지탈데이타로 변환시키는 A/D변환기로 이루어진 것을 특징으로 하는 블랭킹레벨조정장치.The apparatus of claim 1, wherein the blanking level generator comprises: an integrator configured to obtain a signal of a DC component by integrating an image signal to be displayed; And an A / D converter for converting a signal applied from the integrator into digital data. 제2항에 있어서, 상기 적분기는 병렬로 연결된 저항과 콘덴서의 시정수값에 제어를 받는 것을 특징으로 하는 블랭킹레벨조정장치.3. The apparatus of claim 2, wherein the integrator is controlled by time constant values of a resistor and a capacitor connected in parallel. 제1화면비로 구성된 영상신호를 상기 제1화면비보다 넓은 제2화면비의 구조를 갖는 수상관에 디스플레이시킬때 발생하는 좌·우블랭킹구간의 레벨을 조정하기 위한 방법에 있어서, 입력되는 영상신호의 직류레벨에 상응하는 값을 발생하는 블랭킹레벨발생단계; 상기 영상신호를 주사선단위로 저장하는 단계; 및 상기 저장된 영상신호와 블랭킹레벨발생단계로부터 발생되는 값을 소정의 제어신호에 응답하여 선택적으로 상기 수상관에 인가하는 단계를 포함하는 블랭킹레벨조정장치.A method for adjusting the level of left and right blanking intervals generated when displaying a video signal composed of a first aspect ratio on a water pipe having a structure having a second aspect ratio wider than the first aspect ratio, the DC signal of the input image signal A blanking level generating step of generating a value corresponding to the level; Storing the video signal in units of scan lines; And selectively applying a value generated from the stored video signal and the blanking level generating step to the water pipe in response to a predetermined control signal. 제4항에 있어서, 상기 제어신호는 수상관의 현시상태에 상응하여 좌우블랭킹구간에는 블랭킹레벨발생단계로부터 인가되는 값을 선택하고, 제1화면구간에는 영상신호를 선택하도록 제어하는 것을 특징으로 하는 블랭킹레벨조정장치.The control signal of claim 4, wherein the control signal selects a value applied from the blanking level generation step in the left and right blanking sections corresponding to the appearance state of the water pipe, and selects a video signal in the first screen section. Blanking level adjusting device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930014893A 1993-07-31 1993-07-31 Control method of blanking level and its apparatus Expired - Fee Related KR0148141B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930014893A KR0148141B1 (en) 1993-07-31 1993-07-31 Control method of blanking level and its apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930014893A KR0148141B1 (en) 1993-07-31 1993-07-31 Control method of blanking level and its apparatus

Publications (2)

Publication Number Publication Date
KR950005022A true KR950005022A (en) 1995-02-18
KR0148141B1 KR0148141B1 (en) 1998-09-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100317353B1 (en) * 1994-12-19 2002-02-28 구자홍 Image Mute Method
KR20180068895A (en) * 2015-10-15 2018-06-22 멘타 System and method for testing and configuration of an fpga

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100317353B1 (en) * 1994-12-19 2002-02-28 구자홍 Image Mute Method
KR20180068895A (en) * 2015-10-15 2018-06-22 멘타 System and method for testing and configuration of an fpga

Also Published As

Publication number Publication date
KR0148141B1 (en) 1998-09-15

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