CA2002266A1 - Systeme de correction des defauts de convergence a topographie memoire - Google Patents

Systeme de correction des defauts de convergence a topographie memoire

Info

Publication number
CA2002266A1
CA2002266A1 CA2002266A CA2002266A CA2002266A1 CA 2002266 A1 CA2002266 A1 CA 2002266A1 CA 2002266 A CA2002266 A CA 2002266A CA 2002266 A CA2002266 A CA 2002266A CA 2002266 A1 CA2002266 A1 CA 2002266A1
Authority
CA
Canada
Prior art keywords
values
convergence
correction system
memory mapped
deflection correction
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.)
Granted
Application number
CA2002266A
Other languages
English (en)
Other versions
CA2002266C (fr
Inventor
Larry A. Nelson
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of CA2002266A1 publication Critical patent/CA2002266A1/fr
Application granted granted Critical
Publication of CA2002266C publication Critical patent/CA2002266C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CA002002266A 1988-11-08 1989-11-06 Systeme de correction des defauts de convergence a topographie memoire Expired - Fee Related CA2002266C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/268,872 1988-11-08
US07/268,872 US4871948A (en) 1988-11-08 1988-11-08 Memory mapped deflection correction system

Publications (2)

Publication Number Publication Date
CA2002266A1 true CA2002266A1 (fr) 1990-05-08
CA2002266C CA2002266C (fr) 2000-04-25

Family

ID=23024867

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002002266A Expired - Fee Related CA2002266C (fr) 1988-11-08 1989-11-06 Systeme de correction des defauts de convergence a topographie memoire

Country Status (6)

Country Link
US (1) US4871948A (fr)
EP (1) EP0442945B1 (fr)
JP (1) JP2987517B2 (fr)
CA (1) CA2002266C (fr)
DE (1) DE68923560T2 (fr)
WO (1) WO1990005428A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3035912B2 (ja) * 1988-10-14 2000-04-24 ソニー株式会社 画像表示の補正波形データ生成装置
EP0420568B1 (fr) * 1989-09-28 1996-02-28 Matsushita Electric Industrial Co., Ltd. Dispositif numérique de convergence
DE4016398A1 (de) * 1990-05-22 1991-11-28 Thomson Brandt Gmbh Fokussiereinrichtung fuer eine bildwiedergabeeinheit
IT1240382B (it) * 1990-07-06 1993-12-10 Seleco Spa Dispositivo generatore di segnali di convergenza per display a colori
US5274307A (en) * 1991-08-15 1993-12-28 Zenith Electronics Corporation Single IC for CRT display control waveform generation
US5369450A (en) * 1993-06-01 1994-11-29 The Walt Disney Company Electronic and computational correction of chromatic aberration associated with an optical system used to view a color video display
JPH07162700A (ja) * 1993-12-10 1995-06-23 Hitachi Ltd ディスプレイの一様性補正信号発生装置
US5504521A (en) * 1994-06-13 1996-04-02 Display Laboratories, Inc. Method and apparatus for making corrections in a video monitor during horizontal scan
US5739870A (en) * 1996-03-11 1998-04-14 Display Laboratories, Inc. Math engine for generating font gradients
DE19611059A1 (de) * 1996-03-21 1997-09-25 Thomson Brandt Gmbh Verfahren zur Signalgewinnung in elektronischen Geräten mittels Interpolation zwischen Stützstellenwerten
US6281950B1 (en) 1997-06-16 2001-08-28 Display Laboratories, Inc. High speed digital zone control
US6542162B1 (en) 1998-06-15 2003-04-01 International Business Machines Corporation Color mapped and direct color OSD region processor with support for 4:2:2 profile decode function
KR100629702B1 (ko) * 1998-06-23 2006-09-29 톰슨 라이센싱 프리엠퍼시스된 입력 샘플을 사용하는 보간법
DE19835803A1 (de) 1998-08-07 2000-02-10 Thomson Brandt Gmbh Verfahren zur Konvergenzkorrektur in einem Fernsehgerät
KR100306212B1 (ko) * 1999-08-21 2001-11-01 윤종용 스플라인 보간을 이용한 컨버젼스 조정장치 및 방법
KR100363164B1 (ko) * 2000-01-21 2002-11-30 삼성전자 주식회사 링 스플라인 컨버젼스 보정 장치 및 방법
US8456176B2 (en) * 2008-10-06 2013-06-04 Electric Power Research Institute, Inc. Passive agent system impedance monitoring station and method
US9130270B1 (en) 2008-11-24 2015-09-08 The Boeing Company Scan alignment system
US10680631B1 (en) * 2019-02-25 2020-06-09 Rohde & Schwarz Gmbh & Co. Kg Converter system and method of converting digital input data

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943279A (en) * 1974-09-23 1976-03-09 Aeronutronic Ford Corporation Digital convergence of multiple image projectors
GB1517119A (en) * 1976-12-22 1978-07-12 Ibm Cathode ray tube control apparatus
GB1586201A (en) * 1977-09-15 1981-03-18 Ibm Methods of generating correction factor signals for cathode ray tubes
US4316211A (en) * 1980-09-30 1982-02-16 Rca Corporation Color kinescope convergence measuring system
JPS57166776A (en) * 1981-04-03 1982-10-14 Tektronix Inc Electromagnetic deflecting circuit
JPS57212492A (en) * 1981-06-24 1982-12-27 Hitachi Ltd Color diviation corrector for color braun tube
US4422019A (en) * 1982-07-12 1983-12-20 Tektronix, Inc. Apparatus for providing vertical as well as horizontal smoothing of convergence correction signals in a digital convergence system
JPS6178294A (ja) * 1984-09-25 1986-04-21 Sony Corp デイジタルコンバ−ジエンス補正装置
US4620136A (en) * 1984-11-29 1986-10-28 Rca Corporation Digital vertical beam landing correction circuit
FR2579051B1 (fr) * 1985-03-15 1988-06-24 Loire Electronique Dispositif de reglage de convergence pour videoprojecteur
US4680510A (en) * 1985-04-12 1987-07-14 Hazeltine Corporation Color monitor with improved synchronization
US4687973A (en) * 1986-07-09 1987-08-18 Electronic Image Systems, Inc. Digital waveform generator
US4799000A (en) * 1986-09-30 1989-01-17 Magnavox Government And Industrial Electronics Company Display control apparatus

Also Published As

Publication number Publication date
EP0442945A1 (fr) 1991-08-28
WO1990005428A1 (fr) 1990-05-17
EP0442945B1 (fr) 1995-07-19
DE68923560D1 (de) 1995-08-24
JPH04501796A (ja) 1992-03-26
DE68923560T2 (de) 1996-03-14
CA2002266C (fr) 2000-04-25
US4871948A (en) 1989-10-03
JP2987517B2 (ja) 1999-12-06

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Legal Events

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