FR2341993A1 - Circuit empechant l'apparition d'une haute tension anormale dans un recepteur de television - Google Patents

Circuit empechant l'apparition d'une haute tension anormale dans un recepteur de television

Info

Publication number
FR2341993A1
FR2341993A1 FR7704860A FR7704860A FR2341993A1 FR 2341993 A1 FR2341993 A1 FR 2341993A1 FR 7704860 A FR7704860 A FR 7704860A FR 7704860 A FR7704860 A FR 7704860A FR 2341993 A1 FR2341993 A1 FR 2341993A1
Authority
FR
France
Prior art keywords
appearance
high voltage
television receiver
abnormal high
circuit prevents
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
FR7704860A
Other languages
English (en)
Other versions
FR2341993B1 (fr
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2341993A1 publication Critical patent/FR2341993A1/fr
Application granted granted Critical
Publication of FR2341993B1 publication Critical patent/FR2341993B1/fr
Granted 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
    • H04N3/20—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)
  • Dc-Dc Converters (AREA)
FR7704860A 1976-02-20 1977-02-18 Circuit empechant l'apparition d'une haute tension anormale dans un recepteur de television Granted FR2341993A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1706676A JPS52100929A (en) 1976-02-20 1976-02-20 High-voltage protection circuit of tv receiver

Publications (2)

Publication Number Publication Date
FR2341993A1 true FR2341993A1 (fr) 1977-09-16
FR2341993B1 FR2341993B1 (fr) 1982-12-03

Family

ID=11933603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7704860A Granted FR2341993A1 (fr) 1976-02-20 1977-02-18 Circuit empechant l'apparition d'une haute tension anormale dans un recepteur de television

Country Status (6)

Country Link
US (1) US4115814A (fr)
JP (1) JPS52100929A (fr)
DE (1) DE2706611A1 (fr)
FR (1) FR2341993A1 (fr)
GB (1) GB1570313A (fr)
HK (1) HK59081A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013072A1 (de) * 1980-04-03 1981-10-08 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur ueberwachung der hochspannung eines fernsehgeraetes
EP0204369B1 (fr) 1981-02-16 1993-04-28 RCA Thomson Licensing Corporation Circuit de déflection
US4562508A (en) * 1984-05-10 1985-12-31 Rca Corporation Regulator fault protection circuit
US4641064A (en) * 1985-04-29 1987-02-03 Rca Corporation Television power supply shutdown circuit
US4656399A (en) * 1985-04-29 1987-04-07 Rca Corporation Television power supply turn-on protection circuit
US4731655A (en) * 1986-08-27 1988-03-15 Rca Corporation Protection circuit for improper line voltage
US4905116A (en) * 1987-09-28 1990-02-27 North American Philips Corp. X-radiation protection circuit
US5161241A (en) * 1989-09-13 1992-11-03 Matsushita Electric Industrial Co., Ltd. CRT power supply apparatus having synchronized high and low voltage power supply switching circuits
JPH0461562A (ja) * 1990-06-29 1992-02-27 Victor Co Of Japan Ltd 水平出力回路
JPH0769670B2 (ja) * 1990-08-03 1995-07-31 インターナシヨナル・ビジネス・マシーンズ・コーポレーション 電源装置
KR100257534B1 (ko) * 1997-11-19 2000-06-01 구자홍 엑스레이 보호 및 과전압 보호장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840784A (en) * 1973-04-05 1974-10-08 Eastman Kodak Co High voltage protection circuit

Also Published As

Publication number Publication date
US4115814A (en) 1978-09-19
FR2341993B1 (fr) 1982-12-03
GB1570313A (en) 1980-06-25
DE2706611A1 (de) 1977-09-01
HK59081A (en) 1981-12-11
JPS52100929A (en) 1977-08-24

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Legal Events

Date Code Title Description
ST Notification of lapse