BE836803A - Circuit de protection pour l'ecran fluorescent d'un tube a rayons cathodiques - Google Patents

Circuit de protection pour l'ecran fluorescent d'un tube a rayons cathodiques

Info

Publication number
BE836803A
BE836803A BE162877A BE162877A BE836803A BE 836803 A BE836803 A BE 836803A BE 162877 A BE162877 A BE 162877A BE 162877 A BE162877 A BE 162877A BE 836803 A BE836803 A BE 836803A
Authority
BE
Belgium
Prior art keywords
ray tube
protection circuit
fluorescent screen
cathodic ray
cathodic
Prior art date
Application number
BE162877A
Other languages
English (en)
Inventor
Th J Ray
G C Wasner
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 filed Critical
Publication of BE836803A publication Critical patent/BE836803A/fr

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)
BE162877A 1974-12-23 1975-12-18 Circuit de protection pour l'ecran fluorescent d'un tube a rayons cathodiques BE836803A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/536,042 US3963961A (en) 1974-12-23 1974-12-23 Cathode ray tube phosphor protection circuit

Publications (1)

Publication Number Publication Date
BE836803A true BE836803A (fr) 1976-04-16

Family

ID=24136891

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162877A BE836803A (fr) 1974-12-23 1975-12-18 Circuit de protection pour l'ecran fluorescent d'un tube a rayons cathodiques

Country Status (13)

Country Link
US (1) US3963961A (fr)
JP (1) JPS5189328A (fr)
BE (1) BE836803A (fr)
BR (1) BR7508506A (fr)
CA (1) CA1041219A (fr)
DE (1) DE2558265C2 (fr)
DK (1) DK155389C (fr)
FR (1) FR2296327A1 (fr)
GB (1) GB1521067A (fr)
IE (1) IE43540B1 (fr)
IT (1) IT1051870B (fr)
LU (1) LU74065A1 (fr)
NL (1) NL183378C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338623A (en) * 1977-10-11 1982-07-06 U.S. Philips Corporation Video circuit with screen-burn-in protection
GB2078069B (en) * 1980-06-10 1984-03-28 Philips Electronic Associated Projection television apparatus
JPS58224381A (ja) * 1982-06-24 1983-12-26 富士通フアナツク株式会社 表示制御方式
US4642532A (en) * 1984-05-10 1987-02-10 Rca Corporation Projection TV deflection loss protection circuit
DE3427455A1 (de) * 1984-07-25 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur vermeidung von einbrennerscheinungen auf dem bildschirm eines sichtgeraetes
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
US5089754A (en) * 1990-04-30 1992-02-18 Thomson Consumer Electronics, Inc. Protection circuit for a cathode ray tube
US5111119A (en) * 1991-05-17 1992-05-05 Thomson Consumer Electronics, Inc. Scan loss detector for cathode ray tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS458401Y1 (fr) * 1965-08-02 1970-04-21
US3437872A (en) * 1967-01-23 1969-04-08 Bunker Ramo Cathode ray tube protection apparatus
GB1311763A (en) * 1969-06-16 1973-03-28 Iwatsu Electric Co Ltd Circuit for controlling the brightness of the scanning spot in a cathode ray tube
US3811068A (en) * 1971-12-30 1974-05-14 Westinghouse Electric Corp Protection circuit for cathode ray tubes
CA997090A (en) * 1972-03-13 1976-09-14 The Dow Chemical Company Water-dispersible film-forming polymer compositions
GB1425828A (en) * 1972-04-24 1976-02-18 Rca Corp Electron beam tube protection circuit
JPS5240574B2 (fr) * 1972-05-10 1977-10-13
US3810024A (en) * 1972-11-20 1974-05-07 Westinghouse Electric Corp Method and circuit for monitoring and detecting sweep signal failure

Also Published As

Publication number Publication date
LU74065A1 (fr) 1976-07-20
FR2296327B1 (fr) 1981-05-22
IT1051870B (it) 1981-05-20
DE2558265A1 (de) 1976-07-01
US3963961A (en) 1976-06-15
DK575675A (da) 1976-06-24
DK155389C (da) 1989-08-07
NL183378B (nl) 1988-05-02
GB1521067A (en) 1978-08-09
DK155389B (da) 1989-04-03
NL183378C (nl) 1988-10-03
CA1041219A (fr) 1978-10-24
BR7508506A (pt) 1976-08-24
DE2558265C2 (de) 1986-11-06
FR2296327A1 (fr) 1976-07-23
IE43540L (en) 1976-06-23
NL7514942A (nl) 1976-06-25
JPS5189328A (fr) 1976-08-05
IE43540B1 (en) 1981-03-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: UNITED TECHNOLOGIES CORP.

Effective date: 19921231