ES2082190T3 - Circuito para la correccion de cuadro en un aparato de television. - Google Patents

Circuito para la correccion de cuadro en un aparato de television.

Info

Publication number
ES2082190T3
ES2082190T3 ES91902677T ES91902677T ES2082190T3 ES 2082190 T3 ES2082190 T3 ES 2082190T3 ES 91902677 T ES91902677 T ES 91902677T ES 91902677 T ES91902677 T ES 91902677T ES 2082190 T3 ES2082190 T3 ES 2082190T3
Authority
ES
Spain
Prior art keywords
current
deflexion
circuit
test
frame
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 - Lifetime
Application number
ES91902677T
Other languages
English (en)
Inventor
Jacques Chauvin
Rainer Schweer
Gunter Gleim
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Application granted granted Critical
Publication of ES2082190T3 publication Critical patent/ES2082190T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Image Generation (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

CIRCUITO CORRECTOR DE TRAMA PARA APARATOS DE TELEVISION. SE SABE QUE, ENVIANDO UNA SEÑAL DE PRUEBA PERIODICAMENTE AL CIRCUITO DEFLECTOR, PARA COMPARAR LA CORRIENTE DE PRUEBA DE DEFLEXION (IT), QUE PASA POR EL CIRCUITO DE DEFLEXION, CON UN VALOR DE REFERENCIA (USOLL) EN UN COMPARADOR (7), Y QUE USA LA SEÑAL RESULTANTE (US2) PARA CAMBIAR LA CORRIENTE DE PRUEBA DE DEFLEXION (IT) Y LA CORRIENTE CORRECTORA DE TRAMA, PASO A PASO. EL PROPOSITO ES IMPEDIR LA OSCILACION DE LA CORRIENTE DE DESVIACION DE TRAMA, DEL VALOR DE REFERENCIA. EL PROCEDIMIENTO DE PRUEBA DEL PROCESO OSCILADOR, SE LLEVA A CABO SOLO DURANTE UN TIEMPO IMPERCEPTIBLE DURANTE LA IMAGEN, Y LA CORRIENTE DE DEFLEXION DE LA TRAMA (IA) SE CORRIGE UNICAMENTE SI LA CORRIENTE DE PRUEBA DE DEFLEXION (IT) SE DESVIA DEL VALOR DE REFERENCIA (USOLL) MAS DE UN PASO. ESPECIALMENTE ADECUADO PARA APARATOS PROYECTORES DE TELEVISION.
ES91902677T 1989-12-30 1990-12-24 Circuito para la correccion de cuadro en un aparato de television. Expired - Lifetime ES2082190T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3943421A DE3943421A1 (de) 1989-12-30 1989-12-30 Schaltung zur rasterkorrektur in einem fernsehgeraet

Publications (1)

Publication Number Publication Date
ES2082190T3 true ES2082190T3 (es) 1996-03-16

Family

ID=6396667

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91902677T Expired - Lifetime ES2082190T3 (es) 1989-12-30 1990-12-24 Circuito para la correccion de cuadro en un aparato de television.

Country Status (11)

Country Link
US (1) US5283504A (es)
EP (1) EP0507865B1 (es)
JP (1) JP3080985B2 (es)
CN (1) CN1019252B (es)
AT (1) ATE130993T1 (es)
AU (1) AU7064391A (es)
DE (2) DE3943421A1 (es)
ES (1) ES2082190T3 (es)
FI (1) FI923010A7 (es)
HK (1) HK111896A (es)
WO (1) WO1991010318A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214317A1 (de) * 1992-05-04 1993-11-11 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Regelung
US6013989A (en) * 1996-05-20 2000-01-11 Samsung Electronics Co., Ltd. Wide-band horizontal linearity correction circuit
DE19801968A1 (de) * 1998-01-21 1999-07-22 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Konvergenzkorrektur in einem Fernsehgerät
DE19927782A1 (de) * 1999-06-18 2000-12-21 Thomson Brandt Gmbh Schaltung zur Korrektur von Ablenkfehlern in einem Fernsehgerät
CN1298994C (zh) * 2004-08-09 2007-02-07 李念君 动势能发电机动力装置
US7511645B1 (en) * 2007-03-27 2009-03-31 National Semiconductor Corporation Apparatus and method for auto-zeroing a sampled comparator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099092A (en) 1976-08-18 1978-07-04 Atari, Inc. Television display alignment system and method
GB1517119A (en) 1976-12-22 1978-07-12 Ibm Cathode ray tube control apparatus
US4251754A (en) * 1979-09-04 1981-02-17 Tektronix, Inc. Digital oscilloscope with reduced jitter due to sample uncertainty
US4812713A (en) * 1986-05-01 1989-03-14 Blanchard Clark E Automatic closed loop scaling and drift correcting system and method

Also Published As

Publication number Publication date
EP0507865B1 (de) 1995-11-29
DE59009930D1 (de) 1996-01-11
FI923010L (fi) 1992-06-29
JP3080985B2 (ja) 2000-08-28
AU7064391A (en) 1991-07-24
ATE130993T1 (de) 1995-12-15
US5283504A (en) 1994-02-01
DE3943421A1 (de) 1991-07-04
CN1019252B (zh) 1992-11-25
FI923010A0 (fi) 1992-06-29
WO1991010318A1 (de) 1991-07-11
FI923010A7 (fi) 1992-06-29
HK111896A (en) 1996-07-05
CN1052978A (zh) 1991-07-10
EP0507865A1 (de) 1992-10-14
JPH05502987A (ja) 1993-05-20

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