HK1000200A1 - Raster distortion correction for a video display apparatus such as one including a "square planar" picture tube - Google Patents

Raster distortion correction for a video display apparatus such as one including a "square planar" picture tube

Info

Publication number
HK1000200A1
HK1000200A1 HK97101721A HK97101721A HK1000200A1 HK 1000200 A1 HK1000200 A1 HK 1000200A1 HK 97101721 A HK97101721 A HK 97101721A HK 97101721 A HK97101721 A HK 97101721A HK 1000200 A1 HK1000200 A1 HK 1000200A1
Authority
HK
Hong Kong
Prior art keywords
display apparatus
video display
distortion correction
picture tube
square planar
Prior art date
Application number
HK97101721A
Other languages
English (en)
Inventor
Peter Eduard Haferl
Original Assignee
Rca Thomson Licensing 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 Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of HK1000200A1 publication Critical patent/HK1000200A1/xx

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
HK97101721A 1985-03-08 1997-09-05 Raster distortion correction for a video display apparatus such as one including a "square planar" picture tube HK1000200A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858506107A GB8506107D0 (en) 1985-03-08 1985-03-08 East-west vertical parabola shaper

Publications (1)

Publication Number Publication Date
HK1000200A1 true HK1000200A1 (en) 1998-01-27

Family

ID=10575702

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97101721A HK1000200A1 (en) 1985-03-08 1997-09-05 Raster distortion correction for a video display apparatus such as one including a "square planar" picture tube

Country Status (11)

Country Link
US (1) US4687972A (es)
EP (1) EP0194817B1 (es)
JP (1) JP2944663B2 (es)
KR (1) KR940006101B1 (es)
CA (1) CA1242271A (es)
DD (1) DD244457A5 (es)
DE (1) DE3687174T2 (es)
ES (2) ES8801531A1 (es)
FI (1) FI79432C (es)
GB (1) GB8506107D0 (es)
HK (1) HK1000200A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827193A (en) * 1986-05-07 1989-05-02 Hitachi, Ltd. Correcting circuit of pincushion distortion
GB8626317D0 (en) * 1986-11-04 1986-12-03 Rca Corp Raster corrected horizontal deflection circuit
US4794307A (en) * 1986-11-04 1988-12-27 Haferl Peter E Raster distortion correction for a deflection circuit
GB8626316D0 (en) * 1986-11-04 1986-12-03 Rca Corp E-w raster correction circuit
US4849652A (en) * 1986-12-01 1989-07-18 U.S. Philips Corporation Circuit for producing a periodic, essentially parabolic signal
GB8706822D0 (en) * 1987-03-23 1987-04-29 Rca Corp Active modulator circuit
US4965496A (en) * 1988-03-10 1990-10-23 Rca Licensing Corporation Protection arrangement of a deflection circuit
US4972127A (en) * 1990-04-27 1990-11-20 Rca Licensing Corporation Pincushion correction circuit with gullwing compensation
US4965495A (en) * 1990-04-30 1990-10-23 Rca Licensing Corporation Parabolic voltage generating circuit
GB9218735D0 (en) * 1992-09-04 1992-10-21 Thomson Consumer Electronics Horizontal deflection waveform correction circuit
US5355058A (en) * 1993-07-29 1994-10-11 Thomson Consumer Electronics, Inc. Horizontal deflection waveform correction circuit
US5783913A (en) * 1993-12-08 1998-07-21 Thomson Consumer Electronics, Inc. Raster distortion correction arrangement
JPH09507633A (ja) * 1994-10-25 1997-07-29 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 偏向歪み補正方法
KR0164547B1 (ko) * 1996-01-22 1999-03-20 김광호 디스플레이 장치의 수평 귀선 시간 조정 및 펄스 피크 제한회로
US5883477A (en) * 1996-10-21 1999-03-16 Thomson Consumer Electronics, Inc. Pincushion control circuit
FR2760305B1 (fr) * 1997-02-28 1999-05-14 Sgs Thomson Microelectronics Circuit de correction de deviation horizontale pour televiseur
GB0018453D0 (en) * 2000-07-28 2000-09-13 Koninkl Philips Electronics Nv East west distortion correction
US6522091B1 (en) * 2001-10-17 2003-02-18 Zilog, Inc. Circuit and method that allows the amplitudes of vertical correction signal components to be adjusted independently
US6717377B1 (en) * 2001-10-31 2004-04-06 Zilog, Inc. Circuit and method for reducing east-west geometry mismatch between the top and bottom of a raster display
US7170239B2 (en) * 2001-10-31 2007-01-30 Zilog, Inc. Circuit and method for reducing east-west geometry mismatch between the top and bottom of a raster display

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758248A (en) * 1955-02-21 1956-08-07 Gen Electric Anti-pincushion circuit
JPS5417308Y2 (es) * 1973-05-19 1979-07-04
US4184104A (en) * 1976-11-02 1980-01-15 General Electric Company Scan compensation circuit for a television receiver
JPS54133822A (en) * 1978-04-07 1979-10-17 Sony Corp Correction circuit for pincushion distortion
FR2493084A1 (fr) * 1980-10-28 1982-04-30 Thomson Brandt Dispositif de balayage vertical et/ou horizontal et recepteur de television comportant un tel dispositif
US4518898A (en) * 1983-02-22 1985-05-21 Image Graphics, Incorporated Method and apparatus for correcting image distortions
JPS59157361U (ja) * 1983-04-06 1984-10-22 ソニー株式会社 ピン歪補正回路
US4469992A (en) * 1983-07-20 1984-09-04 Deutsche Thomson-Brandt Gmbh Circuit for correcting east-west pincushion distortions
GB8408694D0 (en) 1984-04-04 1984-05-16 Rca Corp Dynamic "s" correction

Also Published As

Publication number Publication date
FI79432C (fi) 1989-12-11
KR860007817A (ko) 1986-10-17
GB8506107D0 (en) 1985-04-11
FI860867A (fi) 1986-09-09
ES557655A0 (es) 1987-12-01
CA1242271A (en) 1988-09-20
EP0194817A3 (en) 1988-04-27
ES552598A0 (es) 1988-01-16
US4687972A (en) 1987-08-18
ES8801073A1 (es) 1987-12-01
KR940006101B1 (ko) 1994-07-06
FI79432B (fi) 1989-08-31
EP0194817A2 (en) 1986-09-17
ES8801531A1 (es) 1988-01-16
JP2944663B2 (ja) 1999-09-06
FI860867A0 (fi) 1986-02-28
DE3687174T2 (de) 1993-06-09
EP0194817B1 (en) 1992-12-02
DE3687174D1 (de) 1993-01-14
DD244457A5 (de) 1987-04-01
JPS61208372A (ja) 1986-09-16

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050307