DE69514953D1 - Korrektur von differentiellen Konvergenzfehlern - Google Patents

Korrektur von differentiellen Konvergenzfehlern

Info

Publication number
DE69514953D1
DE69514953D1 DE69514953T DE69514953T DE69514953D1 DE 69514953 D1 DE69514953 D1 DE 69514953D1 DE 69514953 T DE69514953 T DE 69514953T DE 69514953 T DE69514953 T DE 69514953T DE 69514953 D1 DE69514953 D1 DE 69514953D1
Authority
DE
Germany
Prior art keywords
correction
convergence errors
differential
differential convergence
errors
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 - Fee Related
Application number
DE69514953T
Other languages
English (en)
Other versions
DE69514953T2 (de
Inventor
John Barrett George
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics 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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69514953D1 publication Critical patent/DE69514953D1/de
Publication of DE69514953T2 publication Critical patent/DE69514953T2/de
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
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • 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)
  • Details Of Television Scanning (AREA)
DE69514953T 1994-05-11 1995-05-04 Korrektur von differentiellen Konvergenzfehlern Expired - Fee Related DE69514953T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/241,023 US5508593A (en) 1994-05-11 1994-05-11 Differential error convergence correction

Publications (2)

Publication Number Publication Date
DE69514953D1 true DE69514953D1 (de) 2000-03-16
DE69514953T2 DE69514953T2 (de) 2000-06-15

Family

ID=22908929

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69514953T Expired - Fee Related DE69514953T2 (de) 1994-05-11 1995-05-04 Korrektur von differentiellen Konvergenzfehlern

Country Status (6)

Country Link
US (1) US5508593A (de)
EP (1) EP0682444B1 (de)
JP (1) JPH07322275A (de)
KR (1) KR100425806B1 (de)
CN (1) CN1066897C (de)
DE (1) DE69514953T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847777A (en) * 1994-05-11 1998-12-08 George; John Barrett Right-edge differential error convergence correction
EP0743797A3 (de) * 1995-05-19 1997-05-02 Thomson Consumer Electronics Differentielle Konvergenzkorrektur am rechten Rand
KR0157554B1 (ko) * 1995-06-24 1998-11-16 김광호 프로젝션 tv의 수직왜곡 및 광학왜곡보정장치
KR0156866B1 (ko) * 1995-11-30 1998-11-16 배순훈 화면폭 보정회로
US9398278B2 (en) 2011-01-06 2016-07-19 Telenav, Inc. Graphical display system with adaptive keystone mechanism and method of operation thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880358A (en) * 1952-04-08 1959-03-31 Motorola Inc Color television system
US4395662A (en) * 1981-05-27 1983-07-26 General Electric Company Correction circuits for projection television
GB8408694D0 (en) * 1984-04-04 1984-05-16 Rca Corp Dynamic "s" correction
US4611151A (en) * 1985-03-21 1986-09-09 Rca Corporation Deflection rate parabolic waveform generating circuit
JPH07123287B2 (ja) * 1986-12-12 1995-12-25 株式会社日立製作所 上下糸巻歪補正回路
US4766354A (en) * 1987-01-06 1988-08-23 Zenith Electronics Corporation Independent top/bottom pincushion correction
US5034664A (en) * 1990-04-27 1991-07-23 Thomson Consumer Electronics, Inc. Parabola generators with auxiliary reset function
JPH06133324A (ja) * 1992-10-21 1994-05-13 Matsushita Electric Ind Co Ltd コンバーゼンス補正装置

Also Published As

Publication number Publication date
JPH07322275A (ja) 1995-12-08
CN1112770A (zh) 1995-11-29
EP0682444A1 (de) 1995-11-15
KR100425806B1 (ko) 2004-06-18
EP0682444B1 (de) 2000-02-09
KR950035295A (ko) 1995-12-30
US5508593A (en) 1996-04-16
CN1066897C (zh) 2001-06-06
DE69514953T2 (de) 2000-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee