DE60023815D1 - Korrektions-Wellenformgenerator für eine Anzeigevorrichtung mit Mehrfrequenzabtastung - Google Patents

Korrektions-Wellenformgenerator für eine Anzeigevorrichtung mit Mehrfrequenzabtastung

Info

Publication number
DE60023815D1
DE60023815D1 DE60023815T DE60023815T DE60023815D1 DE 60023815 D1 DE60023815 D1 DE 60023815D1 DE 60023815 T DE60023815 T DE 60023815T DE 60023815 T DE60023815 T DE 60023815T DE 60023815 D1 DE60023815 D1 DE 60023815D1
Authority
DE
Germany
Prior art keywords
display device
waveform generator
frequency sampling
correction waveform
sampling display
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
DE60023815T
Other languages
English (en)
Other versions
DE60023815T2 (de
Inventor
John Barrett George
Guenter Gleim
Albert Runtze
Friedrich Heizmann
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE60023815D1 publication Critical patent/DE60023815D1/de
Application granted granted Critical
Publication of DE60023815T2 publication Critical patent/DE60023815T2/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
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means
    • 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
    • H04N3/26—Modifications of scanning arrangements to improve focusing
    • 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
    • H04N3/27—Circuits special to multi-standard receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
DE60023815T 1999-09-30 2000-09-27 Korrektions-Wellenformgenerator für eine Anzeigevorrichtung mit Mehrfrequenzabtastung Expired - Fee Related DE60023815T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/410,245 US6351086B1 (en) 1999-09-30 1999-09-30 Display correction waveform generator for multiple scanning
US410245 1999-09-30

Publications (2)

Publication Number Publication Date
DE60023815D1 true DE60023815D1 (de) 2005-12-15
DE60023815T2 DE60023815T2 (de) 2006-06-01

Family

ID=23623885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60023815T Expired - Fee Related DE60023815T2 (de) 1999-09-30 2000-09-27 Korrektions-Wellenformgenerator für eine Anzeigevorrichtung mit Mehrfrequenzabtastung

Country Status (6)

Country Link
US (1) US6351086B1 (de)
EP (2) EP1089557A3 (de)
JP (1) JP2001142422A (de)
KR (1) KR20010050658A (de)
CN (2) CN1229972C (de)
DE (1) DE60023815T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1243128A1 (de) 1999-12-21 2002-09-25 Thomson Licensing S.A. Korrektions-wellenformgenerator für eine anzeigevorrichtung mit mehrfrequenzabtastung
MXPA04010338A (es) * 2002-04-19 2005-02-03 Thomson Licensing Sa Amplificador de voltaje de enfoque.
WO2007097759A1 (en) * 2006-02-27 2007-08-30 Thomson Licensing Method for controlling a transposed scan display system using customizable waveforms

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051092B1 (de) * 1980-10-31 1984-07-11 International Business Machines Corporation Treiberschaltung für eine Kathodenstrahlröhre
JPH0771195B2 (ja) * 1987-05-18 1995-07-31 株式会社日立製作所 偏向歪補正回路
US4916365A (en) 1987-08-31 1990-04-10 Anritsu Corporation Color CRT displaying correction circuit
US5448140A (en) * 1991-04-19 1995-09-05 Hitachi, Ltd. Image display apparatus with a deflection circuit having function for correcting rotational distortion
DE4129335A1 (de) 1991-09-04 1993-03-11 Thomson Brandt Gmbh Schaltung zum erzeugen einer dynamischen fokussierspannung in einem fernsehgeraet
JPH05219399A (ja) 1992-02-03 1993-08-27 Matsushita Electric Ind Co Ltd パラボラ波形発生回路
GB9218735D0 (en) * 1992-09-04 1992-10-21 Thomson Consumer Electronics Horizontal deflection waveform correction circuit
JPH0787353A (ja) * 1993-09-09 1995-03-31 Pioneer Electron Corp 電磁集束型ダイナミックフォーカス回路
US5412290A (en) * 1994-03-08 1995-05-02 Thomson Consumer Electronics, Inc. 50 Hz parabolic signal filter
WO1997041680A2 (en) * 1996-04-26 1997-11-06 Philips Electronics N.V. Spline waveform generation
JP3393029B2 (ja) * 1997-01-20 2003-04-07 富士通株式会社 ディスプレイ装置の表示画像歪みの補正方法、歪み検出装置、歪み補正装置、及びその歪み補正装置を備えたディスプレイ装置
JPH1146309A (ja) 1997-07-28 1999-02-16 Mitsubishi Electric Corp Ｃｒｔフォーカスの補正方法、ｃｒｔフォーカス補正回路及びディスプレイ装置

Also Published As

Publication number Publication date
CN1291045A (zh) 2001-04-11
US6351086B1 (en) 2002-02-26
EP1089557A2 (de) 2001-04-04
KR20010050658A (ko) 2001-06-15
CN1747527A (zh) 2006-03-15
EP1089556A3 (de) 2001-08-01
JP2001142422A (ja) 2001-05-25
EP1089556A2 (de) 2001-04-04
CN1229972C (zh) 2005-11-30
EP1089556B1 (de) 2005-11-09
EP1089557A3 (de) 2001-07-04
DE60023815T2 (de) 2006-06-01

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Legal Events

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