AT381201B - DE-MAGNETIZING DEVICE FOR A COLOR TV TUBE - Google Patents

DE-MAGNETIZING DEVICE FOR A COLOR TV TUBE

Info

Publication number
AT381201B
AT381201B AT0088580A AT88580A AT381201B AT 381201 B AT381201 B AT 381201B AT 0088580 A AT0088580 A AT 0088580A AT 88580 A AT88580 A AT 88580A AT 381201 B AT381201 B AT 381201B
Authority
AT
Austria
Prior art keywords
color
tube
magnetizing device
magnetizing
Prior art date
Application number
AT0088580A
Other languages
German (de)
Other versions
ATA88580A (en
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of ATA88580A publication Critical patent/ATA88580A/en
Application granted granted Critical
Publication of AT381201B publication Critical patent/AT381201B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
AT0088580A 1979-02-16 1980-02-18 DE-MAGNETIZING DEVICE FOR A COLOR TV TUBE AT381201B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1281079A 1979-02-16 1979-02-16

Publications (2)

Publication Number Publication Date
ATA88580A ATA88580A (en) 1986-01-15
AT381201B true AT381201B (en) 1986-09-10

Family

ID=21756797

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0088580A AT381201B (en) 1979-02-16 1980-02-18 DE-MAGNETIZING DEVICE FOR A COLOR TV TUBE

Country Status (20)

Country Link
JP (1) JPS55112087A (en)
KR (1) KR900006295B1 (en)
AT (1) AT381201B (en)
AU (1) AU535877B2 (en)
BE (1) BE881758A (en)
CA (1) CA1135321A (en)
DE (1) DE3005763C2 (en)
DK (1) DK148868C (en)
ES (1) ES488650A0 (en)
FI (1) FI70357C (en)
FR (1) FR2449382B1 (en)
GB (1) GB2046559B (en)
HK (1) HK27284A (en)
IT (1) IT1140569B (en)
MY (1) MY8500294A (en)
NZ (1) NZ192884A (en)
PL (1) PL126142B1 (en)
SE (1) SE441886B (en)
SU (1) SU936835A3 (en)
ZA (1) ZA80875B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167955B (en) * 1986-03-27 1991-01-12 Nokia Data Systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921226A (en) * 1956-05-24 1960-01-12 Philco Corp Apparatus for color purity correction in color television receivers
US2962621A (en) * 1958-10-10 1960-11-29 Westinghouse Electric Corp Color television apparatus
US3322998A (en) * 1964-08-31 1967-05-30 Rca Corp Color purity correcting apparatus for colored television picture tubes
US3614519A (en) * 1967-12-18 1971-10-19 Zenith Radio Corp Cathode-ray tube magnetic shield
CA977406A (en) * 1972-04-14 1975-11-04 Yoshiichi Matsushima Degaussing device for colour cathode ray tubes
NL167289C (en) * 1973-09-13 1981-11-16 Philips Nv COLOR TELEVISION DEVICE EQUIPPED WITH A COLOR TELEVISION IMAGE TUBE AND DEMAGNETIZING DEVICE.
NL165020C (en) * 1974-12-16 1981-02-16 Philips Nv COLOR TV RECEIVER CONTAINING A DEMAGNETIZER CIRCUIT AND COMPOSITE THERMISTOR ELEMENT FOR USE IN SUCH A CIRCUIT.
JP3016048B2 (en) * 1991-12-04 2000-03-06 東洋自動機株式会社 Temperature control method for impulse sealing device

Also Published As

Publication number Publication date
NZ192884A (en) 1983-11-18
MY8500294A (en) 1985-12-31
ATA88580A (en) 1986-01-15
FI800394A (en) 1980-08-17
ES8100551A1 (en) 1980-11-01
FR2449382A1 (en) 1980-09-12
GB2046559A (en) 1980-11-12
DK67780A (en) 1980-08-17
HK27284A (en) 1984-03-30
SU936835A3 (en) 1982-06-15
GB2046559B (en) 1983-04-20
FI70357C (en) 1986-09-15
JPS55112087A (en) 1980-08-29
DE3005763A1 (en) 1980-08-28
FI70357B (en) 1986-02-28
DK148868B (en) 1985-10-28
BE881758A (en) 1980-05-30
PL126142B1 (en) 1983-07-30
DK148868C (en) 1986-04-21
IT8019868A0 (en) 1980-02-12
PL222054A1 (en) 1980-11-03
FR2449382B1 (en) 1985-11-22
CA1135321A (en) 1982-11-09
AU5535780A (en) 1980-08-21
SE8001035L (en) 1980-08-17
IT1140569B (en) 1986-10-01
AU535877B2 (en) 1984-04-12
ZA80875B (en) 1981-08-26
DE3005763C2 (en) 1984-11-15
ES488650A0 (en) 1980-11-01
KR900006295B1 (en) 1990-08-27
SE441886B (en) 1985-11-11

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
UEP Publication of translation of european patent specification
ELJ Ceased due to non-payment of the annual fee