GB2294172A - Moire interference detection for raster-scanned CRT displays - Google Patents

Moire interference detection for raster-scanned CRT displays Download PDF

Info

Publication number
GB2294172A
GB2294172A GB9420729A GB9420729A GB2294172A GB 2294172 A GB2294172 A GB 2294172A GB 9420729 A GB9420729 A GB 9420729A GB 9420729 A GB9420729 A GB 9420729A GB 2294172 A GB2294172 A GB 2294172A
Authority
GB
United Kingdom
Prior art keywords
scan
signal
raster
display
raster scan
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.)
Withdrawn
Application number
GB9420729A
Other languages
English (en)
Other versions
GB9420729D0 (en
Inventor
John Beeteson
Andrew Ramsay Knox
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB9420729A priority Critical patent/GB2294172A/en
Publication of GB9420729D0 publication Critical patent/GB9420729D0/en
Priority to US08/424,829 priority patent/US5747933A/en
Priority to EP95306871A priority patent/EP0707300B1/en
Priority to DE69522070T priority patent/DE69522070T2/de
Priority to JP07261328A priority patent/JP3090597B2/ja
Publication of GB2294172A publication Critical patent/GB2294172A/en
Withdrawn legal-status Critical Current

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
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
    • G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
GB9420729A 1994-10-14 1994-10-14 Moire interference detection for raster-scanned CRT displays Withdrawn GB2294172A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9420729A GB2294172A (en) 1994-10-14 1994-10-14 Moire interference detection for raster-scanned CRT displays
US08/424,829 US5747933A (en) 1994-10-14 1995-04-19 Moire interference detection for raster-scanned cathode ray tube displays
EP95306871A EP0707300B1 (en) 1994-10-14 1995-09-28 Moire interference prediction for raster-scanned cathode ray tube displays
DE69522070T DE69522070T2 (de) 1994-10-14 1995-09-28 Vorwarnen von Moire-Interferenz für nach dem rasterfahren arbeitende kathodenstrahlanzeigegeräte
JP07261328A JP3090597B2 (ja) 1994-10-14 1995-10-09 ラスタ走査式陰極線管表示装置のモアレ干渉検出装置及び検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9420729A GB2294172A (en) 1994-10-14 1994-10-14 Moire interference detection for raster-scanned CRT displays

Publications (2)

Publication Number Publication Date
GB9420729D0 GB9420729D0 (en) 1994-11-30
GB2294172A true GB2294172A (en) 1996-04-17

Family

ID=10762839

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9420729A Withdrawn GB2294172A (en) 1994-10-14 1994-10-14 Moire interference detection for raster-scanned CRT displays

Country Status (5)

Country Link
US (1) US5747933A (https=)
EP (1) EP0707300B1 (https=)
JP (1) JP3090597B2 (https=)
DE (1) DE69522070T2 (https=)
GB (1) GB2294172A (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5777441A (en) * 1995-07-10 1998-07-07 Matsushita Electric Industrial Co., Ltd. Moire reducing apparatus
US5841247A (en) * 1995-11-24 1998-11-24 U.S. Philips Corporation Cathode ray tube, display system incorporating same and computer including control means for display system
DE69825402T2 (de) * 1997-03-12 2005-08-04 Seiko Epson Corp. Pixelschaltung, anzeigevorrichtung und elektronische apparatur mit stromgesteuerter lichtemittierender vorrichtung
US6285411B1 (en) * 1997-10-10 2001-09-04 Philips Electronics North America Corporation Circuit for video moiré reduction
DE19751719A1 (de) * 1997-11-21 1999-05-27 Thomson Brandt Gmbh Signalverarbeitungsverfahren für ein analoges Bildsignal
US6246447B1 (en) 1997-11-24 2001-06-12 Philips Electronics North America Corporation Video format adaptive beam size for video moirè reduction
US6239772B1 (en) * 1998-02-17 2001-05-29 U.S. Philips Corporation Video moire reduction
US6741642B1 (en) * 1998-04-03 2004-05-25 Tektronix, Inc. Enhanced constellation display for VSB television signals
US6094018A (en) * 1998-10-01 2000-07-25 Sony Corporation Method and apparatus for providing moire effect correction based on displayed image resolution
US6348903B1 (en) * 1999-03-18 2002-02-19 Multivideo Labs, Inc. Dynamic determination of moire interference on a CRT display with correction selectively applicable to sections of lines
KR100403703B1 (ko) 2000-01-28 2003-11-01 삼성에스디아이 주식회사 모아레가 개선된 음극선관
EP1442593A1 (en) * 2001-10-18 2004-08-04 Koninklijke Philips Electronics N.V. Display device and method of changing the display settings thereof
KR100468732B1 (ko) * 2002-05-30 2005-01-29 삼성전자주식회사 Ｃｒｔ 모니터 시스템을 위한 수평 모아레 제거 장치 및방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133183A (en) * 1979-04-03 1980-10-16 Sony Corp Correction circuit for horizontal linearity
US4485335A (en) * 1980-07-30 1984-11-27 Harris Data Communications Inc. Dynamic focusing circuit for a cathode ray tube
US4410841A (en) * 1981-09-28 1983-10-18 Sperry Corporation Roping and moire reduction in patterned screen cathode ray tube displays
JPS5971024A (ja) * 1982-10-15 1984-04-21 Olympus Optical Co Ltd 内視鏡撮像装置
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
JPH04276789A (ja) * 1991-03-05 1992-10-01 Toshiba Corp カラーモニターのモアレ低減補正回路
JPH05289627A (ja) * 1992-04-09 1993-11-05 Matsushita Electric Ind Co Ltd ディスプレイ装置
DE69333238D1 (de) * 1992-11-17 2003-11-13 Koninkl Philips Electronics Nv Wiedergabeanordnung mit einer Korrekturschaltung und Korrekturschaltung zum Gebrauch in einer solchen Anordnung
JPH07111561A (ja) * 1993-10-12 1995-04-25 Matsushita Electric Ind Co Ltd 原稿読み取り装置

Also Published As

Publication number Publication date
JP3090597B2 (ja) 2000-09-25
EP0707300B1 (en) 2001-08-08
JPH0915096A (ja) 1997-01-17
DE69522070T2 (de) 2002-05-02
EP0707300A3 (https=) 1996-05-01
GB9420729D0 (en) 1994-11-30
US5747933A (en) 1998-05-05
EP0707300A2 (en) 1996-04-17
DE69522070D1 (de) 2001-09-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)