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ES488650A0 - Perfeccionamientos en dispositivos desmagnetizadores para tubos de imagen de television en color - Google Patents

Perfeccionamientos en dispositivos desmagnetizadores para tubos de imagen de television en color

Info

Publication number
ES488650A0
ES488650A0 ES488650A ES488650A ES488650A0 ES 488650 A0 ES488650 A0 ES 488650A0 ES 488650 A ES488650 A ES 488650A ES 488650 A ES488650 A ES 488650A ES 488650 A0 ES488650 A0 ES 488650A0
Authority
ES
Spain
Prior art keywords
color television
television picture
picture tubes
demagnetizing devices
demagnetizing
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
ES488650A
Other languages
English (en)
Other versions
ES8100551A1 (es
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.)
RCA Corp
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 ES8100551A1 publication Critical patent/ES8100551A1/es
Publication of ES488650A0 publication Critical patent/ES488650A0/es
Granted legal-status Critical Current

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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
ES488650A 1979-02-16 1980-02-15 Perfeccionamientos en dispositivos desmagnetizadores para tubos de imagen de television en color Granted ES488650A0 (es)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ES8100551A1 ES8100551A1 (es) 1980-11-01
ES488650A0 true ES488650A0 (es) 1980-11-01

Family

ID=21756797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES488650A Granted ES488650A0 (es) 1979-02-16 1980-02-15 Perfeccionamientos en dispositivos desmagnetizadores para tubos de imagen de television en color

Country Status (20)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167955B (es) * 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
US3872347A (en) * 1972-04-14 1975-03-18 Tokyo Shibaura Electric Co Degaussing device for colour cathode ray tubes
NL167289C (nl) * 1973-09-13 1981-11-16 Philips Nv Kleurentelevisieweergeefinrichting voorzien van een kleurentelevisiebeeldbuis en een ontmagnetiserings- inrichting.
NL165020C (nl) * 1974-12-16 1981-02-16 Philips Nv Kleurentelevisie-ontvanger bevattende een ontmagneti- seerschakeling en samengesteld thermistorelement voor toepassing in een dergelijke schakeling.
JP3016048B2 (ja) * 1991-12-04 2000-03-06 東洋自動機株式会社 インパルスシール装置の温度制御方法

Also Published As

Publication number Publication date
ATA88580A (de) 1986-01-15
BE881758A (fr) 1980-05-30
FI70357C (fi) 1986-09-15
MY8500294A (en) 1985-12-31
AU5535780A (en) 1980-08-21
ES8100551A1 (es) 1980-11-01
PL222054A1 (es) 1980-11-03
DK67780A (da) 1980-08-17
KR900006295B1 (ko) 1990-08-27
DK148868C (da) 1986-04-21
FI800394A7 (fi) 1980-08-17
FR2449382A1 (fr) 1980-09-12
SE441886B (sv) 1985-11-11
CA1135321A (en) 1982-11-09
DK148868B (da) 1985-10-28
GB2046559B (en) 1983-04-20
DE3005763C2 (de) 1984-11-15
SU936835A3 (ru) 1982-06-15
JPS55112087A (en) 1980-08-29
FI70357B (fi) 1986-02-28
HK27284A (en) 1984-03-30
SE8001035L (sv) 1980-08-17
PL126142B1 (en) 1983-07-30
AT381201B (de) 1986-09-10
GB2046559A (en) 1980-11-12
ZA80875B (en) 1981-08-26
DE3005763A1 (de) 1980-08-28
NZ192884A (en) 1983-11-18
FR2449382B1 (fr) 1985-11-22
IT8019868A0 (it) 1980-02-12
IT1140569B (it) 1986-10-01
AU535877B2 (en) 1984-04-12

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001009