ES8801073A1 - Perfeccionamientos introducidos en un ciurcuito para corregir un error dado de posicionamiento de un haz de electrones en un aparato de visualizacion de video - Google Patents

Perfeccionamientos introducidos en un ciurcuito para corregir un error dado de posicionamiento de un haz de electrones en un aparato de visualizacion de video

Info

Publication number
ES8801073A1
ES8801073A1 ES557655A ES557655A ES8801073A1 ES 8801073 A1 ES8801073 A1 ES 8801073A1 ES 557655 A ES557655 A ES 557655A ES 557655 A ES557655 A ES 557655A ES 8801073 A1 ES8801073 A1 ES 8801073A1
Authority
ES
Spain
Prior art keywords
scanning
picture tube
electron beams
raster
display apparatus
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
Application number
ES557655A
Other languages
English (en)
Other versions
ES557655A0 (es
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.)
RCA Corp
Original Assignee
RCA 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 Corp filed Critical RCA Corp
Publication of ES557655A0 publication Critical patent/ES557655A0/es
Publication of ES8801073A1 publication Critical patent/ES8801073A1/es
Expired 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
    • 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)

Abstract

MODIFICACIONES DE UN CIRCUITO PARA CORREGIR UN ERROR DADO DE POSICION DE UN HAZ DE ELECTRONES EN UN APARATO DE VISUALIZACION DE VIDEO. COMPRENDEN: UN CIRCUITO DE DEFLEXION HORIZONTAL (20) CON UN CONDENSADOR (22), UN TRANSFORMADOR DE RETROCESO (T1) Y UN PASO DE SALIDA (70) HORIZONTAL FORMADO POR UN OSCILADOR HORIZONTAL Y EXCITADOR (25), UNA INDUCTANCIA LINEAL Y UN CIRCUITO RESONANTE (27); UN CIRCUITO DE DELFEXION VERTICAL (40) O FUENTE DE TENSION BAJA; UN CIRCUITO CONFORMADOR (50) DE ONDA NO LINEAL; UN CIRCUITO (60) DE CONTROL DE MODULADOR A LA FRECUENCIA VERTICAL DE LA CORRIENTE Y UN CIRCUITO MODULADOR DE CORRECCION (80) CON DIODOS AMORTIGUADORES (D2, D3).
ES557655A 1985-03-08 1987-08-07 Perfeccionamientos introducidos en un ciurcuito para corregir un error dado de posicionamiento de un haz de electrones en un aparato de visualizacion de video Expired ES8801073A1 (es)

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 (2)

Publication Number Publication Date
ES557655A0 ES557655A0 (es) 1987-12-01
ES8801073A1 true ES8801073A1 (es) 1987-12-01

Family

ID=10575702

Family Applications (2)

Application Number Title Priority Date Filing Date
ES552598A Expired ES8801531A1 (es) 1985-03-08 1986-03-03 Perfeccionamientos introducidos en un aparato de visualizacion de video con correccion de distorsion de trama.
ES557655A Expired ES8801073A1 (es) 1985-03-08 1987-08-07 Perfeccionamientos introducidos en un ciurcuito para corregir un error dado de posicionamiento de un haz de electrones en un aparato de visualizacion de video

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES552598A Expired ES8801531A1 (es) 1985-03-08 1986-03-03 Perfeccionamientos introducidos en un aparato de visualizacion de video con correccion de distorsion de trama.

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
GB8626316D0 (en) * 1986-11-04 1986-12-03 Rca Corp E-w raster correction circuit
US4794307A (en) * 1986-11-04 1988-12-27 Haferl Peter E Raster distortion correction for a deflection 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
EP0737401B1 (en) * 1994-10-25 2000-02-09 Koninklijke Philips Electronics N.V. Deflection correction
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
FI860867A (fi) 1986-09-09
US4687972A (en) 1987-08-18
JPS61208372A (ja) 1986-09-16
FI79432B (fi) 1989-08-31
CA1242271A (en) 1988-09-20
DE3687174T2 (de) 1993-06-09
JP2944663B2 (ja) 1999-09-06
ES8801531A1 (es) 1988-01-16
EP0194817A3 (en) 1988-04-27
HK1000200A1 (en) 1998-01-27
EP0194817A2 (en) 1986-09-17
ES557655A0 (es) 1987-12-01
DE3687174D1 (de) 1993-01-14
FI79432C (fi) 1989-12-11
GB8506107D0 (en) 1985-04-11
KR940006101B1 (ko) 1994-07-06
ES552598A0 (es) 1988-01-16
KR860007817A (ko) 1986-10-17
EP0194817B1 (en) 1992-12-02
FI860867A0 (fi) 1986-02-28
DD244457A5 (de) 1987-04-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20051015