ES2080679A2 - Circuito protector de tubo de rayos catodicos. - Google Patents

Circuito protector de tubo de rayos catodicos.

Info

Publication number
ES2080679A2
ES2080679A2 ES09400050A ES9400050A ES2080679A2 ES 2080679 A2 ES2080679 A2 ES 2080679A2 ES 09400050 A ES09400050 A ES 09400050A ES 9400050 A ES9400050 A ES 9400050A ES 2080679 A2 ES2080679 A2 ES 2080679A2
Authority
ES
Spain
Prior art keywords
circuit
crt
abnormality detection
detection output
overvoltage
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
ES09400050A
Other languages
English (en)
Other versions
ES2080679R (es
ES2080679B1 (es
Inventor
Kenji Hamaguchi
Kiyoshi Ogishima
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of ES2080679A2 publication Critical patent/ES2080679A2/es
Publication of ES2080679R publication Critical patent/ES2080679R/es
Application granted granted Critical
Publication of ES2080679B1 publication Critical patent/ES2080679B1/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
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • 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
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Protection Of Static Devices (AREA)

Abstract

CIRCUITO PROTECTOR DE TUBO DE RAYOS CATODICOS PARA DETECTAR UNA SOBRECORRIENTE O UNA SOBRETENSION EN UN TUBO DE RAYOS CATODICOS PARA PROTEGER ESTE TUBO; SE SUMINISTRA UNA SALIDA DE DETECCION DE ANORMALIDAD DEL CIRCUITO DETECTOR A UN CIRCUITO DE CONTROL PARA CONTROLAR UN CIRCUITO DE SALIDA DE LINEA HORIZONTAL; UNA OPERACION DEL CIRCUITO DE SALIDA DE LINEA HORIZONTAL, PROPORCIONADA EN EL LADO PRIMARIO DE UN TRANSFORMADOR DE BARRIDO HORIZONTAL, ES INTERRUMPIDA INSTANTANEAMENTE POR EL CIRCUITO DE CONTROL DE ACUERDO CON LA SALIDA DE DETECCION DE ANORMALIDAD, CUANDO UNA FRECUENCIA DE GENERACION DE LA SALIDA DE DETECCION DE ANORMALIDAD SE HACE IGUAL O MAYOR QUE UN VALOR PREDETERMINADO, LA OPERACION DEL CIRCUITO DE SALIDA DE LINEA HORIZONTAL ES INHIBIDA CONTINUAMENTE; CUANDO EL ESTADO ANORMAL ES TEMPORAL, UNA OPERACION NORMAL GENERADORA DE ALTA TENSION PUEDE SER RESTAURADA AUTOMATICAMENTE.
ES09400050A 1993-01-13 1994-01-12 Circuito protector de tubo de rayos catodicos. Expired - Fee Related ES2080679B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5004245A JPH06217158A (ja) 1993-01-13 1993-01-13 Ｃｒｔ保護回路

Publications (3)

Publication Number Publication Date
ES2080679A2 true ES2080679A2 (es) 1996-02-01
ES2080679R ES2080679R (es) 1997-07-01
ES2080679B1 ES2080679B1 (es) 1998-02-16

Family

ID=11579162

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09400050A Expired - Fee Related ES2080679B1 (es) 1993-01-13 1994-01-12 Circuito protector de tubo de rayos catodicos.

Country Status (7)

Country Link
US (1) US5430596A (es)
JP (1) JPH06217158A (es)
KR (1) KR100282497B1 (es)
CN (1) CN1075308C (es)
ES (1) ES2080679B1 (es)
GB (1) GB2274377B (es)
MY (1) MY110589A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0876707A (ja) * 1994-07-08 1996-03-22 Sony Corp 電子ビームによる表示装置と表示画面の消去方法
JP3126881B2 (ja) * 1994-08-29 2001-01-22 松下電器産業株式会社 テレビジョン受像機の保護回路
KR970010615B1 (ko) * 1994-10-28 1997-06-28 대우전자 주식회사 모니터의 전원에러 검출장치
KR0109586Y1 (en) * 1994-10-31 1997-11-19 Samsung Electronics Co Ltd Spot killer circuits
KR0182921B1 (ko) * 1996-05-02 1999-04-15 김광호 발진 전압 안정화 회로를 구비한 디스플레이 장치
KR100224084B1 (ko) * 1996-08-30 1999-10-15 윤종용 음극선관을 갖는 영상표시장치의 수평출력 트랜지스타의 보호용 회로
US6122604A (en) * 1996-12-02 2000-09-19 Dynacolor Inc. Digital protection circuit for CRT based display systems
DE19709681A1 (de) * 1997-03-11 1998-09-17 Thomson Brandt Gmbh Schaltung zur Überwachung des Strahlstroms in einer Farbildröhre
DE69722670D1 (de) * 1997-07-21 2003-07-10 St Microelectronics Asia Röntgenstrahl-schutzschaltung
US6075687A (en) * 1998-11-10 2000-06-13 Mag Technology Co., Ltd. Monitor X-ray protection device
US6282071B1 (en) * 1999-11-08 2001-08-28 Thomson Licensing, S.A. Frequency dependent X-ray protection for a multimedia monitor
JP2001326877A (ja) 2000-05-18 2001-11-22 Mitsubishi Electric Corp ビデオプロジェクタのビーム電流制限回路
JP2002082643A (ja) * 2000-09-11 2002-03-22 Mitsubishi Electric Corp Ｃｒｔ表示装置
JP2004512747A (ja) * 2000-10-18 2004-04-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 高電圧フラッシュ検出
JP2003319198A (ja) * 2002-04-19 2003-11-07 Orion Denki Kk Ｘ線プロテクタ装置
KR100534114B1 (ko) * 2003-07-03 2005-12-08 삼성전자주식회사 Ｃｒｔ 디스플레이장치
CN100479490C (zh) * 2004-12-09 2009-04-15 Tcl王牌电子(深圳)有限公司 电视机显像管保护电路

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126816A (en) * 1977-05-13 1978-11-21 Rca Corporation High voltage protection circuit
EP0054452A1 (fr) * 1980-12-12 1982-06-23 Societe Electronique De La Region Pays De Loire Dispositif de protection d'un récepteur de télévision, et téléviseur comportant un tel dispositif
JPH02230871A (ja) * 1989-03-03 1990-09-13 Mitsubishi Electric Corp Ｘ線プロテクター装置
EP0522328A1 (en) * 1991-06-27 1993-01-13 THOMSON multimedia Fault protection using microprocessor power up reset

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321513A (en) * 1980-09-08 1982-03-23 Rca Corporation Television receiver high voltage protection circuit
US4412254A (en) * 1981-06-24 1983-10-25 Rca Corporation Television receiver high voltage protection circuit
US4441137A (en) * 1982-08-30 1984-04-03 Rca Corporation High voltage protection for an output circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126816A (en) * 1977-05-13 1978-11-21 Rca Corporation High voltage protection circuit
EP0054452A1 (fr) * 1980-12-12 1982-06-23 Societe Electronique De La Region Pays De Loire Dispositif de protection d'un récepteur de télévision, et téléviseur comportant un tel dispositif
JPH02230871A (ja) * 1989-03-03 1990-09-13 Mitsubishi Electric Corp Ｘ線プロテクター装置
EP0522328A1 (en) * 1991-06-27 1993-01-13 THOMSON multimedia Fault protection using microprocessor power up reset

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, PAJ CD-ROM, H04N 1987-1990 (2/3) / 96 & JP 2230871 A (MITSUBISHI ELECTRIC CORP) 13.09.90 *

Also Published As

Publication number Publication date
MY110589A (en) 1998-08-29
US5430596A (en) 1995-07-04
ES2080679R (es) 1997-07-01
ES2080679B1 (es) 1998-02-16
GB2274377B (en) 1996-08-21
CN1093848A (zh) 1994-10-19
JPH06217158A (ja) 1994-08-05
GB9400334D0 (en) 1994-03-09
CN1075308C (zh) 2001-11-21
KR100282497B1 (ko) 2001-02-15
GB2274377A (en) 1994-07-20

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