TW373391B - Scan loss detector - Google Patents

Scan loss detector

Info

Publication number
TW373391B
TW373391B TW086115521A TW86115521A TW373391B TW 373391 B TW373391 B TW 373391B TW 086115521 A TW086115521 A TW 086115521A TW 86115521 A TW86115521 A TW 86115521A TW 373391 B TW373391 B TW 373391B
Authority
TW
Taiwan
Prior art keywords
vertical
detector
detects
scan
horizontal
Prior art date
Application number
TW086115521A
Other languages
English (en)
Inventor
John Barrett George
Original Assignee
Thomson Consumer Electronics
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 filed Critical Thomson Consumer Electronics
Application granted granted Critical
Publication of TW373391B publication Critical patent/TW373391B/zh

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
    • H04N3/20—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)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
TW086115521A 1997-02-26 1997-10-21 Scan loss detector TW373391B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/806,968 US5856730A (en) 1997-02-26 1997-02-26 Scan loss detector

Publications (1)

Publication Number Publication Date
TW373391B true TW373391B (en) 1999-11-01

Family

ID=25195253

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086115521A TW373391B (en) 1997-02-26 1997-10-21 Scan loss detector

Country Status (9)

Country Link
US (1) US5856730A (zh)
JP (1) JP4172823B2 (zh)
KR (1) KR100541789B1 (zh)
CN (1) CN1268113C (zh)
AU (1) AU6537298A (zh)
DE (1) DE19882129T1 (zh)
GB (1) GB2337678B (zh)
TW (1) TW373391B (zh)
WO (1) WO1998038795A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6211908B1 (en) * 1999-05-27 2001-04-03 Thomson Multimedia Licensing S.A. Television apparatus with supplementary kinescope blanking and spot burn protection circuitry
CN101866620B (zh) * 2010-05-26 2015-07-08 北京中庆微数字设备开发有限公司 一种通用led显示屏控制装置
CN105355161B (zh) * 2015-12-05 2018-06-15 中国航空工业集团公司洛阳电光设备研究所 一种平视显示器防亮点烧蚀保护方法和保护装置
CN108761297B (zh) * 2018-08-28 2024-05-10 重庆理工大学 一种基于高频信号的干式空心电抗器局部放电故障在线监测仪

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399324A (en) * 1965-02-09 1968-08-27 Sylvania Electric Prod Television camera circuits
US3555348A (en) * 1969-01-13 1971-01-12 Ibm Cathode ray tube screen protection system
US3501670A (en) * 1969-01-14 1970-03-17 Ibm Yoke di/dt monitoring cathode ray tube protection
US3810024A (en) * 1972-11-20 1974-05-07 Westinghouse Electric Corp Method and circuit for monitoring and detecting sweep signal failure
US4176302A (en) * 1976-04-19 1979-11-27 Hitachi, Ltd. Vertical deflection output circuit
US4402029A (en) * 1979-06-15 1983-08-30 Matsushita Electric Industrial Co., Ltd. Protective circuit for output transformer-less circuit
US4289994A (en) * 1979-09-20 1981-09-15 Zenith Radio Corporation Vertical drive circuit for video display
US4297619A (en) * 1981-01-02 1981-10-27 Zenith Radio Corporation Phosphor protection circuit for multiple CRT projection television
US4749919A (en) * 1982-05-10 1988-06-07 Zenith Electronics Corporation Shutdown circuit for video monitor
US4642532A (en) * 1984-05-10 1987-02-10 Rca Corporation Projection TV deflection loss protection circuit
US4754206A (en) * 1986-08-26 1988-06-28 Zenith Electronics Corporation Shutdown circuit for CRT high voltage system
JPH01228271A (ja) * 1988-03-08 1989-09-12 Mitsubishi Electric Corp Ｃｒｔ保護回路
US5255147A (en) * 1989-12-22 1993-10-19 Thompson Consumer Electronics, S.A. Vertical yoke protection system
DE4009920A1 (de) * 1990-03-28 1991-10-02 Thomson Brandt Gmbh Schaltungsanordnung zur erzeugung eines vertikalfrequenten ablenkstromes
US5036257A (en) * 1990-04-30 1991-07-30 Thomson Consumer Electronics, Inc. Projection TV deflection loss protection circuit
US5036260A (en) * 1990-04-30 1991-07-30 Thomson Consumer Electronics, Inc. Self biasing protection arrangement for a cathode ray tube
US5034665A (en) * 1990-04-30 1991-07-23 Thomson Consumer Electronics, Inc. Deflection loss protection arrangement for a CRT
JPH04312072A (ja) * 1991-04-11 1992-11-04 Toshiba Corp 垂直偏向回路
GB2288960B (en) * 1991-05-17 1996-01-03 Thomson Consumer Electronics Scan loss detector for cathode ray tube
US5111119A (en) * 1991-05-17 1992-05-05 Thomson Consumer Electronics, Inc. Scan loss detector for cathode ray tube
GB9113924D0 (en) * 1991-06-27 1991-08-14 Thomson Consumer Electronics Fault protection using microprocessor power up reset

Also Published As

Publication number Publication date
CN1268113C (zh) 2006-08-02
US5856730A (en) 1999-01-05
JP4172823B2 (ja) 2008-10-29
GB2337678B (en) 2001-03-07
KR20000075684A (ko) 2000-12-26
GB9919315D0 (en) 1999-10-20
CN1252915A (zh) 2000-05-10
WO1998038795A1 (en) 1998-09-03
DE19882129T1 (de) 2000-01-27
AU6537298A (en) 1998-09-18
KR100541789B1 (ko) 2006-01-12
GB2337678A (en) 1999-11-24
JP2001513960A (ja) 2001-09-04

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees