KR930001447B1 - 문자 발생기를 구비한 텔레비젼 수상기 - Google Patents
문자 발생기를 구비한 텔레비젼 수상기 Download PDFInfo
- Publication number
- KR930001447B1 KR930001447B1 KR1019850008042A KR850008042A KR930001447B1 KR 930001447 B1 KR930001447 B1 KR 930001447B1 KR 1019850008042 A KR1019850008042 A KR 1019850008042A KR 850008042 A KR850008042 A KR 850008042A KR 930001447 B1 KR930001447 B1 KR 930001447B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- character
- character generator
- clock
- delay
- 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 - Lifetime
Links
- 238000012545 processing Methods 0.000 claims description 6
- 230000001934 delay Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- ZBMRKNMTMPPMMK-UHFFFAOYSA-N 2-amino-4-[hydroxy(methyl)phosphoryl]butanoic acid;azane Chemical compound [NH4+].CP(O)(=O)CCC(N)C([O-])=O ZBMRKNMTMPPMMK-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/12—Synchronisation between the display unit and other units, e.g. other display units, video-disc players
-
- 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
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Processing Of Color Television Signals (AREA)
- Studio Circuits (AREA)
- Television Systems (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (4)
- 표시 수단(32)을 구비하며, 상기 표시 수단에 비디오 출력 신호를 제공하기 위해 접속된 비디오 처리수단(20)을 구비하고, 상기 비디오 출력 신호는 수평 동기화 성분을 가지고 있으며, 수평 동기 성분과 비동기 상태로 클럭 신호를 제공하기 위한 발진기 수단(18)을 구비하고, 상기 표시 수단상에 상기 비디오 신호와 함께 표시를 하기 위해 라스터 주사형태로 표시 수단에 문자 신호를 제공하도록 상기 표시 수단(32)에 접속된 출력을 가진 문자 발생기(36)를 구비하며, 상기 문자 신호의 각 라인은 다수의 문자 요소를 구비하고, 상기 문자 발생기 수단(36)은 클럭 신호 경로를 통해 상기 발진기 수단(18)에 접속된 타이밍 클럭 입력을 가지어 상기 클럭 경로를 통해 공급되는 클럭 신호에 따라 문자 요소의 타이밍을 제어하는 텔레비젼 수상기에 있어서, 동기화 수단(22, 34, 40; 22, 34, 600)은 상기 문자 발생기 수단에 공급된 상기 클럭 신호중의 하나에 지연을 분배하며, 상기 문자 발생기에 의해 발생된 상기 문자 신호는 상기 수평 동기화 성분과 상기 발진기 수단에 의해 발생된 상기 클럭 신호사이의 시간 관계에 응답하는 것을 특징으로 하는 문자 발생기를 구비한 텔레비젼 수상기.
- 제1항에 있어서, 지연을 분배하기 위한 상기 동기화 수단(22, 34, 40)은 상기 문자 발생기 수단(36)과 상기 지연수단(32)사이에 삽입되는 것을 특징으로 하는 문자 발생기를 구비한 텔레비젼 수상기.
- 제2항에 있어서, 상기 문자 발생기 수단(36)은 R, G, B 및 귀선 소거 출력 신호를 제공하는 형태의 것이며, 지연을 분배하기 위한 상기 동기화 수단은 상기 각각의 R, G, B 및 귀선 소거 출력 신호를 위한 각지연수단(402, 404, 406, 408)과 상기 경사 표시 신호(경사 데이터 B0-B4)를 인가하여 상기 지연수단의 입력을 제어하는 회로수단을 구비하는 것을 특징으로 하는 문자 발생기를 구비한 텔레비젼 수상기.
- 제1항에 있어서, 지연을 분배하기 위한 상기 동기화 수단(22, 34, 600)은 상기 발진기(18)와 문자 발생기 수단(36) 사이의 경로에 삽입되며 상기 문자 요소의 타이밍을 제어하기 위해 상기 문자 발생기 수단에 인가되는 지연된 클럭 신호를 발생하는 것을 특징으로 하는 문자 발생기를 구비한 텔레비젼 수상기.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US666861 | 1984-10-31 | ||
US06/666,861 US4595953A (en) | 1984-10-31 | 1984-10-31 | Television receiver having character generator with burst locked pixel clock and correction for non-standard video signals |
US666,861 | 1984-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860003734A KR860003734A (ko) | 1986-05-28 |
KR930001447B1 true KR930001447B1 (ko) | 1993-02-27 |
Family
ID=24675806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850008042A Expired - Lifetime KR930001447B1 (ko) | 1984-10-31 | 1985-10-30 | 문자 발생기를 구비한 텔레비젼 수상기 |
Country Status (13)
Country | Link |
---|---|
US (1) | US4595953A (ko) |
JP (1) | JP2838402B2 (ko) |
KR (1) | KR930001447B1 (ko) |
CN (1) | CN1003414B (ko) |
AU (1) | AU584646B2 (ko) |
CA (1) | CA1239215A (ko) |
DD (1) | DD237045A5 (ko) |
DK (1) | DK168844B1 (ko) |
ES (1) | ES8707833A1 (ko) |
FI (1) | FI79228C (ko) |
NZ (1) | NZ214001A (ko) |
PT (1) | PT81380B (ko) |
ZA (1) | ZA858345B (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680632A (en) * | 1985-07-31 | 1987-07-14 | Rca Corporation | Television display system with flicker reduction processor having burst locked clock and skew correction |
DE3641303A1 (de) * | 1986-12-03 | 1988-06-16 | Thomson Brandt Gmbh | Fernsehempfaenger mit einem mikroprozessorgesteuerten bedienteil und mit einem schaltnetzteil |
JPS63187875A (ja) * | 1987-01-30 | 1988-08-03 | Canon Inc | 同期信号発生装置 |
DE3856375T2 (de) * | 1987-03-31 | 2000-02-10 | Rca Thomson Licensing Corp., Princeton | Fernsehempfänger mit verzerrungskorrigiertem Taktsignal |
US4736237A (en) * | 1987-03-31 | 1988-04-05 | Rca Corporation | Chroma demodulation apparatus for use with skew corrected clock signal |
US4864399A (en) * | 1987-03-31 | 1989-09-05 | Rca Licensing Corporation | Television receiver having skew corrected clock |
US5027211A (en) * | 1989-06-07 | 1991-06-25 | Robertson Bruce W | Multi-channel message display system and method |
US4992874A (en) * | 1989-07-03 | 1991-02-12 | Rca Licensing Corporation | Method and apparatus for correcting timing errors as for a multi-picture display |
US5072300A (en) * | 1990-08-02 | 1991-12-10 | Thomson Consumer Electronics, Inc. | Beam scan velocity modulation apparatus with disabling circuit |
US5404172A (en) * | 1992-03-02 | 1995-04-04 | Eeg Enterprises, Inc. | Video signal data and composite synchronization extraction circuit for on-screen display |
US5367337A (en) * | 1992-04-30 | 1994-11-22 | Image Data Corporation | Method and apparatus for capturing video images |
US5309111A (en) * | 1992-06-26 | 1994-05-03 | Thomson Consumer Electronics | Apparatus for measuring skew timing errors |
US5534942A (en) * | 1994-06-17 | 1996-07-09 | Thomson Consumer Electronics, Inc. | On screen display arrangement for digital video signal processing system |
US5489947A (en) * | 1994-06-17 | 1996-02-06 | Thomson Consumer Electronics, Inc. | On screen display arrangement for a digital video signal processing system |
JPH09163257A (ja) * | 1995-12-04 | 1997-06-20 | Sony Corp | 文字表示装置 |
US5675355A (en) * | 1996-06-18 | 1997-10-07 | The United States Of America As Represented By The Secretary Of The Army | Automated coherent clock synthesis for matrix display |
US5963267A (en) * | 1996-09-20 | 1999-10-05 | Thomson Consumer Electronics, Inc. | Delay correction circuit |
US6292225B1 (en) * | 1999-05-07 | 2001-09-18 | Sony Corporation | Precision horizontal positioning system |
US6567553B1 (en) * | 1999-05-28 | 2003-05-20 | Mustek Systems Inc. | Method for generating diversified image frame |
US6943844B2 (en) * | 2001-06-13 | 2005-09-13 | Intel Corporation | Adjusting pixel clock |
CN109218237B (zh) * | 2017-07-07 | 2021-02-19 | 扬智科技股份有限公司 | 实体层电路、时钟恢复电路与其频偏纠正方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE411007B (sv) * | 1979-03-30 | 1979-11-19 | Globe Computers Ab | Forfarande och anordning for synkronisering av ett digitalt minne med ett befintligt tv-system |
US4346407A (en) * | 1980-06-16 | 1982-08-24 | Sanders Associates, Inc. | Apparatus for synchronization of a source of computer controlled video to another video source |
JPS5792984A (en) * | 1980-12-01 | 1982-06-09 | Seikosha Co Ltd | Circuit for generating synchronizing signal |
US4464679A (en) * | 1981-07-06 | 1984-08-07 | Rca Corporation | Method and apparatus for operating a microprocessor in synchronism with a video signal |
US4477841A (en) * | 1981-10-06 | 1984-10-16 | Rca Corporation | Video player with caption generator having character background provisions |
JPS59140485A (ja) * | 1983-01-31 | 1984-08-11 | シャープ株式会社 | テレビジヨン文字表示装置 |
US4631585A (en) * | 1984-05-07 | 1986-12-23 | Rca Corporation | Apparatus for synchronizing the operation of a microprocessor with a television synchronization signal useful in generating an on-screen character display |
US4727362A (en) * | 1984-07-16 | 1988-02-23 | International Business Machines Corporation | Digital display system |
-
1984
- 1984-10-31 US US06/666,861 patent/US4595953A/en not_active Expired - Lifetime
-
1985
- 1985-10-11 CN CN85107503.7A patent/CN1003414B/zh not_active Expired
- 1985-10-23 CA CA000493660A patent/CA1239215A/en not_active Expired
- 1985-10-24 FI FI854165A patent/FI79228C/fi not_active IP Right Cessation
- 1985-10-24 ES ES548162A patent/ES8707833A1/es not_active Expired
- 1985-10-24 AU AU49021/85A patent/AU584646B2/en not_active Expired
- 1985-10-25 PT PT81380A patent/PT81380B/pt unknown
- 1985-10-30 NZ NZ214001A patent/NZ214001A/xx unknown
- 1985-10-30 DK DK498885A patent/DK168844B1/da not_active IP Right Cessation
- 1985-10-30 ZA ZA858345A patent/ZA858345B/xx unknown
- 1985-10-30 KR KR1019850008042A patent/KR930001447B1/ko not_active Expired - Lifetime
- 1985-10-30 JP JP60245286A patent/JP2838402B2/ja not_active Expired - Fee Related
- 1985-10-31 DD DD85282292A patent/DD237045A5/de unknown
Also Published As
Publication number | Publication date |
---|---|
DK168844B1 (da) | 1994-06-20 |
CN1003414B (zh) | 1989-02-22 |
CN85107503A (zh) | 1986-04-10 |
DK498885A (da) | 1986-05-01 |
FI854165A0 (fi) | 1985-10-24 |
PT81380A (en) | 1985-11-01 |
DD237045A5 (de) | 1986-06-25 |
ES548162A0 (es) | 1987-08-16 |
AU4902185A (en) | 1986-05-08 |
JPS61109381A (ja) | 1986-05-27 |
PT81380B (pt) | 1987-09-18 |
DK498885D0 (da) | 1985-10-30 |
CA1239215A (en) | 1988-07-12 |
FI79228C (fi) | 1989-11-10 |
KR860003734A (ko) | 1986-05-28 |
AU584646B2 (en) | 1989-06-01 |
ZA858345B (en) | 1986-07-30 |
FI79228B (fi) | 1989-07-31 |
NZ214001A (en) | 1989-06-28 |
US4595953A (en) | 1986-06-17 |
FI854165L (fi) | 1986-05-01 |
JP2838402B2 (ja) | 1998-12-16 |
ES8707833A1 (es) | 1987-08-16 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19851030 |
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Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19930129 |
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