CN1075308C - 阴极射线管的保护电路 - Google Patents

阴极射线管的保护电路 Download PDF

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Publication number
CN1075308C
CN1075308C CN94100723A CN94100723A CN1075308C CN 1075308 C CN1075308 C CN 1075308C CN 94100723 A CN94100723 A CN 94100723A CN 94100723 A CN94100723 A CN 94100723A CN 1075308 C CN1075308 C CN 1075308C
Authority
CN
China
Prior art keywords
circuit
crt
output
abnormal
flyback transformer
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 - Fee Related
Application number
CN94100723A
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English (en)
Chinese (zh)
Other versions
CN1093848A (zh
Inventor
浜口健司
荻岛洁
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 CN1093848A publication Critical patent/CN1093848A/zh
Application granted granted Critical
Publication of CN1075308C publication Critical patent/CN1075308C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
CN94100723A 1993-01-13 1994-01-13 阴极射线管的保护电路 Expired - Fee Related CN1075308C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP004245/93 1993-01-13
JP004245/1993 1993-01-13
JP5004245A JPH06217158A (ja) 1993-01-13 1993-01-13 Ｃｒｔ保護回路

Publications (2)

Publication Number Publication Date
CN1093848A CN1093848A (zh) 1994-10-19
CN1075308C true CN1075308C (zh) 2001-11-21

Family

ID=11579162

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94100723A Expired - Fee Related CN1075308C (zh) 1993-01-13 1994-01-13 阴极射线管的保护电路

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100396085C (zh) * 2003-07-03 2008-06-18 三星电子株式会社 Crt显示设备和方法

Families Citing this family (16)

* 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
EP0997035B1 (en) * 1997-07-21 2003-06-04 STMicroelectronics Asia Pacific Pte Ltd. X-ray protection circuit
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
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412254A (en) * 1981-06-24 1983-10-25 Rca Corporation Television receiver high voltage protection circuit

Family Cites Families (6)

* 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
US4321513A (en) * 1980-09-08 1982-03-23 Rca Corporation Television receiver high voltage protection circuit
FR2496373A1 (fr) * 1980-12-12 1982-06-18 Thomson Brandt Dispositif de protection d'un recepteur de television et televiseur comportant un tel dispositif
US4441137A (en) * 1982-08-30 1984-04-03 Rca Corporation High voltage protection for an output circuit
JPH02230871A (ja) * 1989-03-03 1990-09-13 Mitsubishi Electric Corp Ｘ線プロテクター装置
GB9113924D0 (en) * 1991-06-27 1991-08-14 Thomson Consumer Electronics Fault protection using microprocessor power up reset

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412254A (en) * 1981-06-24 1983-10-25 Rca Corporation Television receiver high voltage protection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100396085C (zh) * 2003-07-03 2008-06-18 三星电子株式会社 Crt显示设备和方法

Also Published As

Publication number Publication date
GB2274377B (en) 1996-08-21
MY110589A (en) 1998-08-29
KR100282497B1 (ko) 2001-02-15
JPH06217158A (ja) 1994-08-05
ES2080679R (enExample) 1997-07-01
GB2274377A (en) 1994-07-20
ES2080679B1 (es) 1998-02-16
US5430596A (en) 1995-07-04
ES2080679A2 (es) 1996-02-01
GB9400334D0 (en) 1994-03-09
CN1093848A (zh) 1994-10-19

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee