ES2043486A1 - Circuito de estabilizacion de alta tension para un aparato de presentacion de video. - Google Patents

Circuito de estabilizacion de alta tension para un aparato de presentacion de video.

Info

Publication number
ES2043486A1
ES2043486A1 ES9101074A ES9101074A ES2043486A1 ES 2043486 A1 ES2043486 A1 ES 2043486A1 ES 9101074 A ES9101074 A ES 9101074A ES 9101074 A ES9101074 A ES 9101074A ES 2043486 A1 ES2043486 A1 ES 2043486A1
Authority
ES
Spain
Prior art keywords
pulse
flyback
high voltage
display apparatus
video 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.)
Granted
Application number
ES9101074A
Other languages
English (en)
Other versions
ES2043486B1 (es
Inventor
Rodriguez-Cavazos
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
Publication of ES2043486A1 publication Critical patent/ES2043486A1/es
Application granted granted Critical
Publication of ES2043486B1 publication Critical patent/ES2043486B1/es
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
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • 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
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/185—Maintaining DC voltage constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Dc-Dc Converters (AREA)

Abstract

CIRCUITO DE ESTABILIZACION DE ALTA TENSION PARA UN APARATO DE PRESENTACION DE VIDEO. COMPRENDE UNA ETAPA DE SALIDA DE UN CIRCUITO DE DESVIACION HORIZONTAL (Q1, CR, LSIY SC, W1) QUE GENERA UN IMPULSO DE RETROCESO (VSI2 SC) EN UN ARROLLAMIENTO TERCIARIO (W2) DE UN TRANSFORMADOR DE SALIDA DE LINEA (T1). SE PRODUCE UN IMPULSO DE RETORNO (YSI3 SC), SUSTANCIALMENTE MAS ANCHO QUE EL IMPULSO DE RETROCESO, EN UN ARROLLAMIENTO (WB) DE UN TRANSFORMADOR SECUNDARIO (T2) QUE ESTA ACOPLADO EN SERIE CON EL ARROLLAMIENTO TERCIARIO DE TAL MANERA QUE EL IMPULSO DE RETROCESO SE PRODUCE CUANDO UNA PARTE DE CRESTA DEL IMPULSO DE RETORNO ES YA RELATIVAMENTE PLANA. LA AMPLITUD DEL IMPULSO DE RETORNO SE CONTROLA EN UN BUCLE DE REALIMENTACION NEGATIVA (R63, 104, Q4, Q5, WA) PARA ESTABILIZAR UNA TENSION (U) DE ELECTRODO FINAL. EL INVENTO ES APLICABLE A RECEPTORES Y MONITORES DE TELEVISION.
ES09101074A 1990-04-30 1991-04-29 Circuito de estabilizacion de alta tension para un aparato de presentacion de video. Expired - Fee Related ES2043486B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/516,487 US5010281A (en) 1990-04-30 1990-04-30 High voltage stabilization circuit for video display apparatus

Publications (2)

Publication Number Publication Date
ES2043486A1 true ES2043486A1 (es) 1993-12-16
ES2043486B1 ES2043486B1 (es) 1994-08-01

Family

ID=24055812

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09101074A Expired - Fee Related ES2043486B1 (es) 1990-04-30 1991-04-29 Circuito de estabilizacion de alta tension para un aparato de presentacion de video.

Country Status (9)

Country Link
US (1) US5010281A (es)
JP (1) JP3407290B2 (es)
KR (1) KR100211621B1 (es)
CA (1) CA2040253C (es)
DE (1) DE4113922B4 (es)
ES (1) ES2043486B1 (es)
FI (1) FI102997B1 (es)
GB (1) GB2243751B (es)
MY (1) MY105366A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047698A (en) * 1991-03-14 1991-09-10 Thomson Consumer Electronics, Inc. High voltage shutdown circuit
JP3305317B2 (ja) * 1991-06-13 2002-07-22 アールシーエー トムソン ライセンシング コーポレイション 低減された入力電流歪みを有するスイッチモード電源
EP0521659B1 (en) * 1991-07-01 1999-02-03 RCA Thomson Licensing Corporation High voltage stabilization circuit for video display apparatus
DE4216272B4 (de) * 1992-05-16 2005-07-07 Deutsche Thomson-Brandt Gmbh Schaltung zur Stabilisierung der Hochspannung in einem Fernsehempfänger
DE4225807A1 (de) * 1992-08-05 1994-02-10 Thomson Brandt Gmbh Schaltung zur Stabilisierung der Hochspannung in einem Fernsehempfänger
DE59307452D1 (de) * 1992-08-05 1997-11-06 Thomson Brandt Gmbh Schaltung zur Stabilisierung der Hochspannung in einem Fernsehempfänger
US5349515A (en) * 1992-09-17 1994-09-20 Rca Thomson Licensing Corporation Switch mode power supply with feed-forward pulse limit control
US5463290A (en) * 1994-05-02 1995-10-31 Thomson Consumer Electronics, Inc. Power supply stabilization circuit with separate AC/DC negative feedback paths
US5982641A (en) * 1998-08-07 1999-11-09 Thomson Consumer Electronics, Inc. High-voltage power supply for video display apparatus
US6009006A (en) * 1998-08-07 1999-12-28 Thomson Consumer Electronics, Inc. Synchronized high voltage generator
US6274989B1 (en) * 1999-01-12 2001-08-14 Walter Truskalo Dynamic damping clamper arrangement associated with s-shaping capacitor
US6252361B1 (en) 1999-10-15 2001-06-26 Thomson Licensing S.A. High-voltage power supply disabling circuit for video display
US6552504B2 (en) * 2000-08-25 2003-04-22 Thomson Licensing Sa Deflection circuit with a feedback controlled capacitive transformation
CN100466059C (zh) * 2004-09-29 2009-03-04 Tcl王牌电子(深圳)有限公司 一种基于视放负反馈的亮度信号限制电路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728868A (en) * 1983-04-22 1988-03-01 Pioneer Electronic Corporation High voltage generating circuit
EP0313391A2 (en) * 1987-10-23 1989-04-26 RCA Thomson Licensing Corporation High voltage power supply for video apparatus
EP0334658A2 (en) * 1988-03-25 1989-09-27 RCA Thomson Licensing Corporation Power supply

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5464417A (en) * 1977-10-31 1979-05-24 Sony Corp Generation circuit for high voltage
GB2141883B (en) * 1983-04-22 1987-03-04 Pioneer Electronic Corp A high voltage generating circuit
JPH0771192B2 (ja) * 1987-03-25 1995-07-31 株式会社日立製作所 高圧回路
GB8724891D0 (en) * 1987-10-23 1987-11-25 Rca Corp Stabilization circuit
JP2643372B2 (ja) * 1988-10-18 1997-08-20 松下電器産業株式会社 フライバックトランス装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728868A (en) * 1983-04-22 1988-03-01 Pioneer Electronic Corporation High voltage generating circuit
EP0313391A2 (en) * 1987-10-23 1989-04-26 RCA Thomson Licensing Corporation High voltage power supply for video apparatus
EP0334658A2 (en) * 1988-03-25 1989-09-27 RCA Thomson Licensing Corporation Power supply

Also Published As

Publication number Publication date
JP3407290B2 (ja) 2003-05-19
MY105366A (en) 1994-09-30
GB9108856D0 (en) 1991-06-12
KR910019435A (ko) 1991-11-30
FI912061A0 (fi) 1991-04-29
DE4113922B4 (de) 2006-04-27
CA2040253A1 (en) 1991-10-31
KR100211621B1 (ko) 1999-08-02
ES2043486B1 (es) 1994-08-01
FI102997B (fi) 1999-03-31
CA2040253C (en) 1994-03-08
FI102997B1 (fi) 1999-03-31
GB2243751A (en) 1991-11-06
DE4113922A1 (de) 1991-10-31
US5010281A (en) 1991-04-23
JPH04229769A (ja) 1992-08-19
FI912061L (fi) 1991-10-31
GB2243751B (en) 1994-10-05

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20070430