KR100244225B1 - 디티브이의 입력 영상 변환장치 - Google Patents
디티브이의 입력 영상 변환장치 Download PDFInfo
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- KR100244225B1 KR100244225B1 KR1019970067455A KR19970067455A KR100244225B1 KR 100244225 B1 KR100244225 B1 KR 100244225B1 KR 1019970067455 A KR1019970067455 A KR 1019970067455A KR 19970067455 A KR19970067455 A KR 19970067455A KR 100244225 B1 KR100244225 B1 KR 100244225B1
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- South Korea
- Prior art keywords
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- vga
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
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Classifications
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- 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
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (3)
- 제 1 또는 제 2 영상 포맷을 입력받아 영상을 축소하는 영상 축소부와,상기 제 2 영상 포맷을 제 1 영상 포맷으로 변환하는 전처리부와,상기 전처리부에서 출력된 제 1 영상 신호나 변환된 제 2 영상 신호와 상기 영상 축소부에서 축소된 영상을 디스플레이 포맷에 따라 선택 출력하는 선택부와,상기 제 2 영상 신호의 동기신호와 같은 형태로 제 1 영상 포맷의 동기신호를 조정하는 동기 변환 발생부와,상기 동기 변환 발생부에서 발생된 동기신호에 따라 상기 선택부에서 출력된 영상을 디스플레이하는 디스플레이부로 구성됨을 특징으로 하는 디티브이의 입력 영상 변환장치.
- 제 1 항에 있어서, 상기 전처리부는아날로그 NTSC 영상을 디지탈 신호로 변환하여 디지탈 휘도 신호와 칼라 신호 및 동기신호를 출력하는 제 1 아날로그/ 디지탈 변환부와,아날로그 VGA 영상을 디지탈 신호로 변환하여 디지탈 RGB 및 동기신호를 출력하는 제 2 아날로그/디지탈 변환부와,상기 제 2 아날로그/디지탈 변환부에서 출력된 디지탈 RGB 및 동기신호를 휘도 신호 및 칼라 신호로 변환하는 색좌표 변환부와,상기 제 1 아날로그/디지탈 변환부에서 출력된 NTSC 영상 또는 색좌표 변환부에서 출력된 VGA 영상 데이터를 입력 포맷에 따라 선택 출력하는 먹스로 구성됨을 특징으로 하는 디티브이의 입력 영상 변환장치.
- 제 1 항에 있어서, 상기 동기 변환 발생부는상기 입력 동기신호를 기준으로 클럭 개수를 카운트하여 출력하는 카운터와,NTSC와 VGA 영상의 동기신호에서 라이징시 유효 데이터의 위치 차이에 따라 VGA 영상의 동기신호가 라이징하는 카운트 값을 저장하는 제 1 레지스터와,NTSC와 VGA 영상의 동기신호에서 폴링시유효 데이터의 위치 차이에 따라 VGA 영상의 동기신호가 폴링하는 카운트 값을 저장하는 제 2 레지스터와,입력 포맷이 VGA 영상이고 상기 카운터에서 카운트된 값과 제 1 레지스터에 저장된 값이 일치하면 동기 출력신호를 출력하는 제 1 비교기와,입력 포맷이 VGA 영상이고 상기 카운터에서 카운트된 값과 제 2 레지스터에 저장된 값이 일치하면 동기 출력신호를 출력하는 제 2 비교기와,상기 제 1 비교기의 동기 출력신호에 라이징되고 제 2 비교기의 동기 출력신호에 폴링되는 동기신호를 출력하는 동기신호 출력부로 구성됨을 특징으로 하는 디티브이의 입력 영상 변환장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970067455A KR100244225B1 (ko) | 1997-12-10 | 1997-12-10 | 디티브이의 입력 영상 변환장치 |
US09/198,248 US6175387B1 (en) | 1997-12-10 | 1998-11-24 | Device for converting video received in digital TV |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970067455A KR100244225B1 (ko) | 1997-12-10 | 1997-12-10 | 디티브이의 입력 영상 변환장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990048690A KR19990048690A (ko) | 1999-07-05 |
KR100244225B1 true KR100244225B1 (ko) | 2000-02-01 |
Family
ID=19526939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970067455A KR100244225B1 (ko) | 1997-12-10 | 1997-12-10 | 디티브이의 입력 영상 변환장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6175387B1 (ko) |
KR (1) | KR100244225B1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3546667B2 (ja) * | 1997-10-22 | 2004-07-28 | 松下電器産業株式会社 | 色差信号変換回路 |
KR100244227B1 (ko) * | 1997-12-01 | 2000-02-01 | 구자홍 | 에이치디티브이의 디스플레이용 영상 처리장치 |
US6853355B1 (en) * | 1999-04-07 | 2005-02-08 | Ati International Srl | Switchable video overlay apparatus and method |
JP2001203988A (ja) * | 2000-01-21 | 2001-07-27 | Nec Corp | 画像復号装置、半導体装置、及び画像復号方法 |
KR100351816B1 (ko) * | 2000-03-24 | 2002-09-11 | 엘지전자 주식회사 | 포맷 변환 장치 |
JP2001324976A (ja) * | 2000-05-16 | 2001-11-22 | Nec Shizuoka Ltd | 情報表示システム |
KR100386579B1 (ko) * | 2000-07-18 | 2003-06-02 | 엘지전자 주식회사 | 멀티 소스용 포맷 변환 장치 |
FI109166B (fi) * | 2000-09-13 | 2002-05-31 | Nokia Corp | Menetelmä ja järjestely ruudulla näytettävien toimintojen synkronoimiseksi analogiavastaanoton aikana |
KR100374646B1 (ko) * | 2001-03-10 | 2003-03-03 | 삼성전자주식회사 | 픽쳐 인 픽쳐 기능과 프레임 속도 변환을 동시에 수행하기위한 영상 처리 장치 및 방법 |
US6833874B2 (en) * | 2001-03-27 | 2004-12-21 | Sony Corporation | Ticker tape picture-in-picture system |
SE519518C2 (sv) * | 2001-06-01 | 2003-03-11 | Kianoush Namvar | Signalavkodningssystem |
KR100434380B1 (ko) * | 2001-12-19 | 2004-06-04 | 엘지전자 주식회사 | Osd의 컬러 스페이스 변환장치 및 방법 |
EP1383317A1 (en) * | 2002-07-17 | 2004-01-21 | Thomson Licensing S.A. | Video apparatus |
KR100510499B1 (ko) * | 2002-12-04 | 2005-08-26 | 삼성전자주식회사 | 전자파 장해를 저감하는 액정 표시 장치를 구동하는스케일링 장치 |
KR100568179B1 (ko) * | 2003-09-22 | 2006-04-05 | 삼성전자주식회사 | 디스플레이시스템 및 그 동기신호 변환방법 |
US20080266459A1 (en) * | 2007-04-26 | 2008-10-30 | Mark Butterworth | Multiple format video display |
KR100934227B1 (ko) * | 2007-09-21 | 2009-12-29 | 한국전자통신연구원 | 개방형 시리얼 정합 방식을 이용한 메모리 스위칭 컨트롤장치, 그의 동작 방법 및 이에 적용되는 데이터 저장 장치 |
US8160133B2 (en) | 2008-06-03 | 2012-04-17 | At&T Intellectual Property I, Lp | Method and apparatus for encoding video streams |
TW201410003A (zh) * | 2012-08-24 | 2014-03-01 | Hon Hai Prec Ind Co Ltd | Vga信號修正系統及方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5208660A (en) * | 1989-07-29 | 1993-05-04 | Sharp Kabushiki Kaisha | Television display apparatus having picture-in-picture display function and the method of operating the same |
KR930015760A (ko) * | 1991-12-31 | 1993-07-24 | 강진구 | 텔레비젼모드 자동변환장치 |
KR950012664B1 (ko) * | 1993-08-18 | 1995-10-19 | 엘지전자주식회사 | 1050라인 비월주사식 모니터 디스플레이 영상포맷을 갖는 에치디티브이(hdtv)수신장치 |
KR100238673B1 (ko) * | 1997-05-30 | 2000-01-15 | 윤종용 | 고선명 텔레비젼 수상기의 모니터 출력장치 |
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1997
- 1997-12-10 KR KR1019970067455A patent/KR100244225B1/ko not_active IP Right Cessation
-
1998
- 1998-11-24 US US09/198,248 patent/US6175387B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6175387B1 (en) | 2001-01-16 |
KR19990048690A (ko) | 1999-07-05 |
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