KR980007534A - Video Magnifier of Television - Google Patents

Video Magnifier of Television Download PDF

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Publication number
KR980007534A
KR980007534A KR1019960023426A KR19960023426A KR980007534A KR 980007534 A KR980007534 A KR 980007534A KR 1019960023426 A KR1019960023426 A KR 1019960023426A KR 19960023426 A KR19960023426 A KR 19960023426A KR 980007534 A KR980007534 A KR 980007534A
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KR
South Korea
Prior art keywords
image
horizontal
vertical
signal
enlargement
Prior art date
Application number
KR1019960023426A
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Korean (ko)
Inventor
박상열
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019960023426A priority Critical patent/KR980007534A/en
Publication of KR980007534A publication Critical patent/KR980007534A/en

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Abstract

본 발명은 텔레비전의 영상확대장치에 관한 것으로, CRT장치상에서 지정된 특정한 범위의 영상신호를 확대처리하기 위해 상기 영상신호에 대한 영상확대모드의 설정과 수평/수직영상비의 설정을 위한 리모콘(10)과, 상기 영상확대모드에서 설정되는 수평/수직영상비에 의한 영상신호의 확대처리를 제어하는 제어부(12), 상기 영상확대모드의 설정시 상기 제어부(12)의 제어하에 상기 수평/수직영상비에 대응하는 커서의 화면표시를 위한 OSD신호를 생성하는 OSD처리부(26), 상기 커서에 의해 표시되는 영역에 대한 영상신호의 확대보정처리를 실행하는 영상확대보정처리부(28)를 구비하여 구성된 것이다.The present invention relates to a video magnification apparatus of a television, and a remote controller (10) for setting an image magnification mode and a horizontal / vertical aspect ratio for the video signal in order to magnify a specific range of video signals specified on a CRT apparatus. And a control unit 12 for controlling an enlargement process of an image signal by a horizontal / vertical image ratio set in the image enlargement mode, and the horizontal / vertical image ratio under the control of the control unit 12 when setting the image enlargement mode. OSD processing section 26 for generating an OSD signal for the screen display of the cursor corresponding to the and the image enhancement correction processing section 28 for performing an enlargement correction process of the video signal for the area displayed by the cursor .

Description

텔레비전의 영상확대장치Video Magnifier of Television

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

제 1도는 본 발명에 따른 영상확대장치가 적용되는 텔레비전의 블록구성을 나타낸 도면.1 is a block diagram of a television to which an image magnifying apparatus according to the present invention is applied.

제 2도는 제 1도에 도시된 화면확대처리부의 구성예를 나타낸 도면.2 is a diagram showing an example of the configuration of the screen magnification processing unit shown in FIG.

제 3도는 본 발명에 따른 텔레비젼의 영상확대장치의 동작을 설명하는 플로우차트.3 is a flowchart for explaining the operation of the image magnification apparatus of a television according to the present invention.

제4(a)도와 (b)도는 본 발명에 따른 텔레비젼의 영상확대장치에 의해 실행되는 영상확대과정을 설명하는 도면이다.4 (a) and (b) are diagrams illustrating an image magnification process performed by the image magnification apparatus of a television according to the present invention.

Claims (2)

방송 영상신호 또는 외부적인 영상신호에 대한 재생처리를 수행하여 CRT장치상에 출력하는 텔레비전에 있어서, 상기 영상신호에 대한 영상확대모드의 설정과 수평/수직영상비의 설정을 위한 수단과, 상기 영상확대모드에서 설정되는 수평/수직 영상비에 의한 영상신호의 확대처리하는 제어하는 제어수단, 상기 영상확대모드의 설정시 상기 제어수단의 제어하에 상기 수평/수직영상비에 대응하는 커서의 화면표시를 위한 OSD신호를 생성하는 OSD처리수단, 상기 커서에 의해 표시되는 영역에 대한 영상신호의 확대보정처리를 실행하는 영상확대보정처리수단을 구비하여 구성된 것을 특징으로 하는 텔레비전의 영상확대장치.A television for performing a playback process on a broadcast video signal or an external video signal and outputting the same on a CRT apparatus, comprising: means for setting an image enlargement mode and a horizontal / vertical image ratio for the video signal; A control means for controlling the image signal to be enlarged by the horizontal / vertical aspect ratio set in the magnification mode, and a screen display of a cursor corresponding to the horizontal / vertical aspect ratio under the control of the control means when setting the image magnification mode. And an image magnification correction processing means for performing an enlargement correction processing of an image signal with respect to the area indicated by the cursor. 제 1항에 있어서, 상기 영상확대보정처리수단은 상기 영상신호의 수평 및 수직동기신호를 검출하는 수평/수직동기신호검출부와, 상기 검출된 수평 및 수직동기신호의 카운트를 실행하는 수평/수직동기카운터, 상기 영상신호의 디지탈변환을 위한 아날로그-디지탈변환기, 상기 수평/수직동기카운터의 카운트결과가 상기 수평/수직영상비에 도달되는 시점에서 상기 영상신호의 확대처리를 위한 제어를 수행하기 위한 제어신호생성부, 상기 수평/수직영상비에 대응하는 영상확대데이터가 테이블형태로 저장된 영상확대데이터테이블, 상기 수평/수직영상비에 대응하여 상기 영상확대데이터테이블에서 독취되어 상기 제어신호생성부를 통해 인가되는 영상확대데이터에 기초하여 상기 디지탈변환된 영상데이터에 대한 화소추가처리에 의한 영상확대를 실행하는 영상확대보정처리부 및, 그 확대보정처리된 영상데이터를 아날로그변환하는 디지탈-아날로그변환기를 포함하여 구성된 것을 특징으로 하는 텔레비전의 영상확대장치.2. The image enlargement correction processing means according to claim 1, wherein the image enlargement correction processing means comprises: a horizontal / vertical synchronization signal detection unit for detecting horizontal and vertical synchronization signals of the image signal, and a horizontal / vertical synchronization unit for performing a count of the detected horizontal and vertical synchronization signals. A control for performing a control for expanding the video signal when a counter, an analog-digital converter for digital conversion of the video signal, and a count result of the horizontal / vertical synchronous counter reach the horizontal / vertical video ratio A signal generation unit, an image magnification data table corresponding to the horizontal / vertical image ratio, is stored in a table form, and is read from the image magnification data table corresponding to the horizontal / vertical image ratio and applied through the control signal generator. Image enlargement by pixel addition processing for the digitally converted image data based on the image enlargement data Video magnifying apparatus of the television, characterized in that configured by including an A converter for performing image correction processing and zoom, a video data processing enlarged correction digital to analog conversion.
KR1019960023426A 1996-06-25 1996-06-25 Video Magnifier of Television KR980007534A (en)

Priority Applications (1)

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KR1019960023426A KR980007534A (en) 1996-06-25 1996-06-25 Video Magnifier of Television

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KR1019960023426A KR980007534A (en) 1996-06-25 1996-06-25 Video Magnifier of Television

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000044739A (en) * 1998-12-30 2000-07-15 전주범 Apparatus for enlarging screen of digital television
KR100519342B1 (en) * 2003-06-13 2005-10-07 엘지전자 주식회사 Apparatus and method for multi-point transfer of television system
US7176946B2 (en) 2001-02-13 2007-02-13 Samsung Electronics Co., Ltd. Displaying apparatus and method of controlling the same
WO2016186254A1 (en) * 2015-05-18 2016-11-24 엘지전자 주식회사 Display device and control method therefor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000044739A (en) * 1998-12-30 2000-07-15 전주범 Apparatus for enlarging screen of digital television
US7176946B2 (en) 2001-02-13 2007-02-13 Samsung Electronics Co., Ltd. Displaying apparatus and method of controlling the same
KR100519342B1 (en) * 2003-06-13 2005-10-07 엘지전자 주식회사 Apparatus and method for multi-point transfer of television system
WO2016186254A1 (en) * 2015-05-18 2016-11-24 엘지전자 주식회사 Display device and control method therefor
US10986302B2 (en) 2015-05-18 2021-04-20 Lg Electronics Inc. Display device and control method therefor
US11323651B2 (en) 2015-05-18 2022-05-03 Lg Electronics Inc. Display device and control method therefor
US11962934B2 (en) 2015-05-18 2024-04-16 Lg Electronics Inc. Display device and control method therefor

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