NL183378C - Schakeling voor bescherming tegen beschadiging van het fosforscherm van een kathodestraalbuis. - Google Patents

Schakeling voor bescherming tegen beschadiging van het fosforscherm van een kathodestraalbuis.

Info

Publication number
NL183378C
NL183378C NLAANVRAGE7514942,A NL7514942A NL183378C NL 183378 C NL183378 C NL 183378C NL 7514942 A NL7514942 A NL 7514942A NL 183378 C NL183378 C NL 183378C
Authority
NL
Netherlands
Prior art keywords
circuit
ray tube
cathode ray
protection against
phosphor screen
Prior art date
Application number
NLAANVRAGE7514942,A
Other languages
English (en)
Other versions
NL183378B (nl
NL7514942A (nl
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of NL7514942A publication Critical patent/NL7514942A/nl
Publication of NL183378B publication Critical patent/NL183378B/nl
Application granted granted Critical
Publication of NL183378C publication Critical patent/NL183378C/nl

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)
NLAANVRAGE7514942,A 1974-12-23 1975-12-22 Schakeling voor bescherming tegen beschadiging van het fosforscherm van een kathodestraalbuis. NL183378C (nl)

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 (3)

Publication Number Publication Date
NL7514942A NL7514942A (nl) 1976-06-25
NL183378B NL183378B (nl) 1988-05-02
NL183378C true NL183378C (nl) 1988-10-03

Family

ID=24136891

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7514942,A NL183378C (nl) 1974-12-23 1975-12-22 Schakeling voor bescherming tegen beschadiging van het fosforscherm van een kathodestraalbuis.

Country Status (13)

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

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 (nl) * 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 (nl) * 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 (nl) 1976-07-20
FR2296327B1 (nl) 1981-05-22
IT1051870B (it) 1981-05-20
DE2558265A1 (de) 1976-07-01
US3963961A (en) 1976-06-15
BE836803A (fr) 1976-04-16
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
CA1041219A (en) 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 (nl) 1976-08-05
IE43540B1 (en) 1981-03-25

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee