KR920011260A - 브이씨알의 문자다중방송 수신회로 - Google Patents
브이씨알의 문자다중방송 수신회로 Download PDFInfo
- Publication number
- KR920011260A KR920011260A KR1019900019380A KR900019380A KR920011260A KR 920011260 A KR920011260 A KR 920011260A KR 1019900019380 A KR1019900019380 A KR 1019900019380A KR 900019380 A KR900019380 A KR 900019380A KR 920011260 A KR920011260 A KR 920011260A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- unit
- screen
- section
- 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.)
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Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- 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
- H04N21/47—End-user applications
-
- 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
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
-
- 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
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
- H04N5/9206—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code signal
- H04N5/9207—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code signal for teletext
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0884—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of additional display-information, e.g. menu for programme or channel selection
- H04N7/0885—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of additional display-information, e.g. menu for programme or channel selection for the transmission of subtitles
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Television Systems (AREA)
- Studio Circuits (AREA)
Abstract
Description
Claims (3)
- 제어신호출력부(1), 고주파변환부(2), 튜너 및 검파부(3), 스위칭부(4), 영상처리부(5), 온스크린부(6) 및 버퍼(7)로 구성된 온스크린 시스템에 있어서, 상기 영상처리부(5)의 출력영상신호를 완충증폭하는 버퍼(11)와, 상기 버퍼(11)의 출력영상신호중에서 컬러신호 및 잡음신호의 통과를 제지하는 컬러 및 잡음신호제거부(12)와, 상기 컬러 및 잡음신호제거부(12)에 출력되는 신호를 일정직류레벨에서 클램핑하고 동기신호를 보정하는 클램핑 및 동기보정부(13)와, 상기 클램핑 및 동기보정부(12)의 출력영상신호에서 문자데이타를 추출하고 상기 제어신호출력부(1)의 제어에 따라 스크린신호(SS), 문자신호(CS)를 출력하는 캡션디코더(14)와, 필요에 따라 상기 캡션디코더(14)의 출력신호를 뮤팅시키는 뮤팅부(15)와, 상기 영상처리부(5)의 출력영상신호가 유동되지 않게 디씨적으로 고정시키는 클램핑부(16)와, 상기 캡션 디코더(14)에서 출력되는 스크린신호(SS)의 제어를 받아 상기 클램핑부(16)의 출력신호나 스크린레벨고정부(17)의 스크린레벨설정신호를 선택하는 스우치(SW13)와, 상기 캡션디코더(14)에서 출력되는 문자신호(CS)의 제어를 받아 상기 스위치(SW13)의 출력신호나 문자레벨고정부(18)의 문자레벨고정신호를 선택하여 이를 상기 온스크린부(6)측으로 출력하는 스우치(SW14)로 구성된 것을 특징으로 하는 브이씨알의 문자 다중방송 수신회로.
- 제1항에 있어서, 변속모드시 상기 캡션디코더(14)에 출력되는 스크린신호(SS)및 문자신호(CS)를 뮤팅시키도록 뮤팅부(15)를 구성한 것을 특징으로 하는 브이씨알의 문자다중방송 수신회로.
- 제1항에 있어서, 상기 제어신호출력부(1)의 문자제어신호(CCS)가 고전위로 출력될때 그 고전위를 이용하여 상기 캡션디코더(14)의 출력문자신호(CS)를 뮤팅시키고, 스크린제어신호(SCS)가 고전위로 출력될때 그 고전위를 이용하여 스크린신호(SS)를 뮤팅시키도록 뮤팅부(15)를 구성한 것을 특징으로 하는 브이씨알의 문자다중방송 수신회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900019380A KR930008172B1 (ko) | 1990-11-28 | 1990-11-28 | 브이씨알의 문자다중방송 수신회로 |
CA002056057A CA2056057C (en) | 1990-11-28 | 1991-11-22 | Caption vcr and method of displaying a caption signal in the caption vcr |
US07/798,760 US5299006A (en) | 1990-11-28 | 1991-11-27 | Caption VCR and method of displaying a caption signal in the caption VCR |
JP3312351A JP2859476B2 (ja) | 1990-11-28 | 1991-11-27 | キャプション信号表示装置及びキャプション信号表示方法 |
EP91311037A EP0488745B1 (en) | 1990-11-28 | 1991-11-28 | Caption VCR and method of displaying a caption signal in the caption VCR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900019380A KR930008172B1 (ko) | 1990-11-28 | 1990-11-28 | 브이씨알의 문자다중방송 수신회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920011260A true KR920011260A (ko) | 1992-06-27 |
KR930008172B1 KR930008172B1 (ko) | 1993-08-26 |
Family
ID=19306668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900019380A Expired - Fee Related KR930008172B1 (ko) | 1990-11-28 | 1990-11-28 | 브이씨알의 문자다중방송 수신회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5299006A (ko) |
EP (1) | EP0488745B1 (ko) |
JP (1) | JP2859476B2 (ko) |
KR (1) | KR930008172B1 (ko) |
CA (1) | CA2056057C (ko) |
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-
1990
- 1990-11-28 KR KR1019900019380A patent/KR930008172B1/ko not_active Expired - Fee Related
-
1991
- 1991-11-22 CA CA002056057A patent/CA2056057C/en not_active Expired - Fee Related
- 1991-11-27 US US07/798,760 patent/US5299006A/en not_active Expired - Lifetime
- 1991-11-27 JP JP3312351A patent/JP2859476B2/ja not_active Expired - Fee Related
- 1991-11-28 EP EP91311037A patent/EP0488745B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0488745B1 (en) | 1997-08-27 |
JPH0630338A (ja) | 1994-02-04 |
CA2056057C (en) | 1999-01-05 |
JP2859476B2 (ja) | 1999-02-17 |
CA2056057A1 (en) | 1992-05-29 |
KR930008172B1 (ko) | 1993-08-26 |
EP0488745A3 (en) | 1993-04-14 |
EP0488745A2 (en) | 1992-06-03 |
US5299006A (en) | 1994-03-29 |
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