KR100299984B1 - 디지털 tv의 비디오신호 입출력장치 - Google Patents
디지털 tv의 비디오신호 입출력장치 Download PDFInfo
- Publication number
- KR100299984B1 KR100299984B1 KR1019980011304A KR19980011304A KR100299984B1 KR 100299984 B1 KR100299984 B1 KR 100299984B1 KR 1019980011304 A KR1019980011304 A KR 1019980011304A KR 19980011304 A KR19980011304 A KR 19980011304A KR 100299984 B1 KR100299984 B1 KR 100299984B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- converter
- format
- digital
- color
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4113—PC
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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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
- Color Television Systems (AREA)
- Television Systems (AREA)
Abstract
Description
Claims (2)
- 디지털 TV에 있어서,개인용 컴퓨터(PC)와 연결하여 비디오신호를 입출력하기 위한 외부입출력단자;수신된 방송신호의 시청가능토록 복원된 비디오데이타를 미리 설정된 디스플레이규격으로 포맷 변환하여 고화질(HD)규격의 휘도신호(Y)와 두 색차신호(PR,PB)형식으로 출력하기 위한 포맷변환기;상기 포맷변환기에서 포맷 변환된 휘도신호(Y)와 두 색차신호(PR,PB)형식의 디지털 비디오데이타를 상기 PC의 입력신호형식에 맞도록 색신호(R,G,B)형식으로 변환하기 위한 RGB변환기;상기 RGB변환기에서 변환된 색신호(R,G,B)형식의 디지털 비디오데이타를 아날로그형태로 변환하여 상기 외부출력단자에 연결된 PC로 출력하기 위한 D/A변환기;상기 포맷변환기에서 포맷 변환된 휘도신호(Y)와 두 색차신호(PR,PB)형식의 디지털 비디오데이타에 화면에 나타낼 부가정보를 삽입하여 색신호(R,G,B)형식의 아날로그 비디오신호로 출력하는 OSGM; 및상기 외부입력단자에 연결된 PC로부터 입력되는 S-VGA 아날로그 색신호(R,G,B)형식의 비디오신호와 상기 OSGM의 출력중 어느 하나에 의해 구동되어 화면출력하는 CRT구동기를 포함하는 디지털 TV의 비디오신호 입출력장치.
- 제 1항에 있어서, 상기 외부입력단자와 상기 OSGM 사이에는 PC의 비디오신호를 상기 OSGM으로 입력받기 위해,상기 외부입력단자에 연결된 PC로부터 S-VAG 아날로그 색신호(R,G,B)를 입력받아 디지털형태로 변환하기 위한 A/D변환기; 및상기 A/D변환기의 출력을 상기 OSGM의 신호형식에 맞도록 휘도신호(Y)와 두 색차신호(PR,PB)로 변환하기 위한 YPRPB변환기를 구비함을 특징으로 하는 디지털 TV의 비디오신호 입출력장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980011304A KR100299984B1 (ko) | 1998-03-31 | 1998-03-31 | 디지털 tv의 비디오신호 입출력장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980011304A KR100299984B1 (ko) | 1998-03-31 | 1998-03-31 | 디지털 tv의 비디오신호 입출력장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990076378A KR19990076378A (ko) | 1999-10-15 |
KR100299984B1 true KR100299984B1 (ko) | 2001-09-06 |
Family
ID=37528835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980011304A Expired - Fee Related KR100299984B1 (ko) | 1998-03-31 | 1998-03-31 | 디지털 tv의 비디오신호 입출력장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100299984B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100379481B1 (ko) * | 2000-11-30 | 2003-04-10 | 엘지전자 주식회사 | Vga 신호 출력 기능을 갖는 티브이 |
KR100450320B1 (ko) * | 2002-05-10 | 2004-10-01 | 한국전자통신연구원 | 디지털 티브이용 영상변환과 오류자동보정 장치 및 방법 |
-
1998
- 1998-03-31 KR KR1019980011304A patent/KR100299984B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990076378A (ko) | 1999-10-15 |
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