DE69530256D1 - Verfahren und Einrichtung zur Reduzierung von elektromagnetischer Interferenz in Anzeigesystemen mit flachem Bildschirm - Google Patents
Verfahren und Einrichtung zur Reduzierung von elektromagnetischer Interferenz in Anzeigesystemen mit flachem BildschirmInfo
- Publication number
- DE69530256D1 DE69530256D1 DE69530256T DE69530256T DE69530256D1 DE 69530256 D1 DE69530256 D1 DE 69530256D1 DE 69530256 T DE69530256 T DE 69530256T DE 69530256 T DE69530256 T DE 69530256T DE 69530256 D1 DE69530256 D1 DE 69530256D1
- Authority
- DE
- Germany
- Prior art keywords
- screen display
- electromagnetic interference
- display systems
- flat screen
- reducing electromagnetic
- 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
Classifications
-
- 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
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- 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
- G09G5/18—Timing circuits for raster scan displays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2215/00—Reducing interference at the transmission system level
- H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/315,599 US5659339A (en) | 1994-09-30 | 1994-09-30 | Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69530256D1 true DE69530256D1 (de) | 2003-05-15 |
Family
ID=23225181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69530256T Expired - Lifetime DE69530256D1 (de) | 1994-09-30 | 1995-09-27 | Verfahren und Einrichtung zur Reduzierung von elektromagnetischer Interferenz in Anzeigesystemen mit flachem Bildschirm |
Country Status (5)
Country | Link |
---|---|
US (1) | US5659339A (de) |
EP (1) | EP0704833B1 (de) |
JP (1) | JPH08320665A (de) |
KR (1) | KR100374083B1 (de) |
DE (1) | DE69530256D1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6020939A (en) * | 1996-01-19 | 2000-02-01 | Sun Microsystems, Inc. | Method and apparatus for reducing electromagnetic interference radiated by cathode ray tube displays |
US5757338A (en) * | 1996-08-21 | 1998-05-26 | Neomagic Corp. | EMI reduction for a flat-panel display controller using horizontal-line based spread spectrum |
KR19990010293A (ko) * | 1997-07-16 | 1999-02-18 | 윤종용 | 액정 표시 장치의 구동 방법 |
TW522354B (en) * | 1998-08-31 | 2003-03-01 | Semiconductor Energy Lab | Display device and method of driving the same |
KR100326200B1 (ko) * | 1999-04-12 | 2002-02-27 | 구본준, 론 위라하디락사 | 데이터 중계장치와 이를 이용한 액정패널 구동장치, 모니터 장치 및 표시장치의 구동방법 |
US6580432B1 (en) * | 2000-01-14 | 2003-06-17 | Ati International Srl | Spread spectrum FIFO and method for storing data for multiple display types |
US6711694B1 (en) | 2000-02-03 | 2004-03-23 | Telefonaktiebolaget Lm Ericsson(Publ) | Apparatus and method for generating a modulated clock signal including harmonics that exhibit a known sideband configuration |
US6665019B1 (en) * | 2000-07-28 | 2003-12-16 | Koninklijke Philips Electronics N.V. | Method and apparatus for spread spectrum clocking of digital video |
EP1184961A1 (de) * | 2000-08-21 | 2002-03-06 | Motorola, Inc. | Verfahren und Vorrichtung zur Reduzierung von Geräusch in einem Schaltleistungsverwaltungssystem |
KR100471054B1 (ko) * | 2000-11-18 | 2005-03-07 | 삼성전자주식회사 | 컴퓨터 시스템 및 그의 화상처리방법 |
KR100811343B1 (ko) * | 2001-05-02 | 2008-03-07 | 엘지전자 주식회사 | 평판 표시 소자의 이엠아이 방지 장치 |
US6738056B2 (en) * | 2001-07-25 | 2004-05-18 | Brillian Corporation | System and method for handling the input video stream for a display |
US6658043B2 (en) | 2001-10-26 | 2003-12-02 | Lexmark International, Inc. | Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies |
JP3591503B2 (ja) * | 2001-11-08 | 2004-11-24 | セイコーエプソン株式会社 | 周波数拡散されたクロックを基準に動作し、入力画像信号を処理する画像処理装置 |
US7570245B2 (en) | 2002-09-06 | 2009-08-04 | Nxp B.V. | Control unit and method for reducing interference patterns in the display of an image on a screen |
DE10241343A1 (de) * | 2002-09-06 | 2004-03-25 | Sp3D Chip Design Gmbh | Steuernheit und Verfahren zum Reduzieren von Interferenzmustern bei der Anzeige eines Bildes auf einem Bildschirm |
JP3880540B2 (ja) * | 2003-05-16 | 2007-02-14 | キヤノン株式会社 | 表示パネルの駆動制御装置 |
TWI221060B (en) * | 2003-05-29 | 2004-09-11 | Himax Tech Inc | Apparatus for lowering electromagnetic wave interference and its method |
US7515646B2 (en) | 2004-02-05 | 2009-04-07 | Lexmark International, Inc. | Method and apparatus for reducing EMI emissions for data signals traveling over a data pathway |
JP4198677B2 (ja) * | 2004-12-28 | 2008-12-17 | 株式会社デンソー | 電力スイッチング装置 |
EP1876579A4 (de) * | 2005-04-21 | 2010-03-17 | Panasonic Corp | Ansteuerschaltung und anzeigeeinrichtung |
KR100856123B1 (ko) * | 2006-03-20 | 2008-09-03 | 삼성전자주식회사 | Emi 방출을 감소시킬 수 있는 데이터 처리장치와 그방법 |
KR20130100557A (ko) * | 2012-03-02 | 2013-09-11 | 삼성전자주식회사 | 무선통신 시스템에서 메모리 클럭 주파수를 제어하는 장치 및 방법 |
CN103297002B (zh) * | 2013-06-08 | 2016-08-31 | 华为技术有限公司 | 一种干扰抑制的方法和装置 |
US9531349B2 (en) | 2015-01-22 | 2016-12-27 | Honeywell International Inc. | System and method for controlling radiated EMI using interleaved frequency switching |
US10636362B2 (en) * | 2018-04-09 | 2020-04-28 | Apple Inc. | Radio frequency signal emission induced display artifact mitigation systems and methods |
WO2022025713A1 (ko) * | 2020-07-30 | 2022-02-03 | 엘지전자 주식회사 | 디스플레이 장치 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4507796A (en) * | 1982-10-20 | 1985-03-26 | Printronix, Inc. | Electronic apparatus having low radio frequency interference from system clock signal |
US4511924A (en) * | 1982-10-29 | 1985-04-16 | Rca Corporation | Frequency translation phase-locked loop for separate or intercarrier type television sound detection |
US4695808A (en) * | 1984-02-27 | 1987-09-22 | Ncr Corporation | Varying frequency oscillator for the reduction of radiated emissions of electronic equipment |
JPS6124321A (ja) * | 1984-05-30 | 1986-02-03 | テクトロニツクス・インコ−ポレイテツド | デジタル機器の放射低減装置 |
US5101139A (en) * | 1989-03-09 | 1992-03-31 | Safe Computing, Inc. | Reducing video display radiation |
FI83143C (fi) * | 1989-09-07 | 1991-05-27 | Telenokia Oy | Foerfarande och anordning foer daempning av radiofrekventa stoerningar foerorsakade av klockfrekvenses harmoniska komponenter i digitaliska anordningar. |
US5107188A (en) * | 1991-01-18 | 1992-04-21 | Sun Microsystems, Inc. | Method and apparatus for cancellation of Moire interference in color cathode ray tube displays |
US5157308A (en) * | 1991-08-06 | 1992-10-20 | Sun Microsystems, Inc. | Methods and apparatus for reducing electromagnetic interference emission from a cathode ray tube video display system |
US5263055A (en) * | 1991-11-04 | 1993-11-16 | Motorola, Inc. | Apparatus and method for reducing harmonic interference generated by a clock signal |
KR102128828B1 (ko) * | 2013-11-06 | 2020-07-09 | 코오롱글로텍주식회사 | 충 기피 소재의 제조방법 및 충 기피 소재 |
-
1994
- 1994-09-30 US US08/315,599 patent/US5659339A/en not_active Expired - Fee Related
-
1995
- 1995-09-27 EP EP95115200A patent/EP0704833B1/de not_active Expired - Lifetime
- 1995-09-27 DE DE69530256T patent/DE69530256D1/de not_active Expired - Lifetime
- 1995-09-30 KR KR1019950033431A patent/KR100374083B1/ko not_active IP Right Cessation
- 1995-10-02 JP JP7278310A patent/JPH08320665A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR100374083B1 (ko) | 2003-05-01 |
KR960012036A (ko) | 1996-04-20 |
JPH08320665A (ja) | 1996-12-03 |
EP0704833A3 (de) | 1997-10-22 |
US5659339A (en) | 1997-08-19 |
EP0704833B1 (de) | 2003-04-09 |
EP0704833A2 (de) | 1996-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |