DK148868C - Afmagnetiseringsindretning, navnlig til farvebilledroer - Google Patents

Afmagnetiseringsindretning, navnlig til farvebilledroer

Info

Publication number
DK148868C
DK148868C DK67780A DK67780A DK148868C DK 148868 C DK148868 C DK 148868C DK 67780 A DK67780 A DK 67780A DK 67780 A DK67780 A DK 67780A DK 148868 C DK148868 C DK 148868C
Authority
DK
Denmark
Prior art keywords
namely
color image
demagnetizing device
image drivers
drivers
Prior art date
Application number
DK67780A
Other languages
Danish (da)
English (en)
Other versions
DK148868B (da
DK67780A (da
Inventor
John Clarence Cooper
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 DK67780A publication Critical patent/DK67780A/da
Publication of DK148868B publication Critical patent/DK148868B/da
Application granted granted Critical
Publication of DK148868C publication Critical patent/DK148868C/da

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)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
DK67780A 1979-02-16 1980-02-15 Afmagnetiseringsindretning, navnlig til farvebilledroer DK148868C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1281079A 1979-02-16 1979-02-16
US1281079 1979-02-16

Publications (3)

Publication Number Publication Date
DK67780A DK67780A (da) 1980-08-17
DK148868B DK148868B (da) 1985-10-28
DK148868C true DK148868C (da) 1986-04-21

Family

ID=21756797

Family Applications (1)

Application Number Title Priority Date Filing Date
DK67780A DK148868C (da) 1979-02-16 1980-02-15 Afmagnetiseringsindretning, navnlig til farvebilledroer

Country Status (20)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167955B (fi) * 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
AU535877B2 (en) 1984-04-12
PL222054A1 (fi) 1980-11-03
AU5535780A (en) 1980-08-21
NZ192884A (en) 1983-11-18
FI800394A (fi) 1980-08-17
AT381201B (de) 1986-09-10
ES8100551A1 (es) 1980-11-01
JPS55112087A (en) 1980-08-29
HK27284A (en) 1984-03-30
ES488650A0 (es) 1980-11-01
ZA80875B (en) 1981-08-26
KR900006295B1 (ko) 1990-08-27
ATA88580A (de) 1986-01-15
DK148868B (da) 1985-10-28
MY8500294A (en) 1985-12-31
GB2046559B (en) 1983-04-20
SU936835A3 (ru) 1982-06-15
CA1135321A (en) 1982-11-09
FR2449382B1 (fr) 1985-11-22
BE881758A (fr) 1980-05-30
PL126142B1 (en) 1983-07-30
FI70357B (fi) 1986-02-28
IT1140569B (it) 1986-10-01
IT8019868A0 (it) 1980-02-12
DE3005763A1 (de) 1980-08-28
GB2046559A (en) 1980-11-12
DK67780A (da) 1980-08-17
FI70357C (fi) 1986-09-15
DE3005763C2 (de) 1984-11-15
SE8001035L (sv) 1980-08-17
SE441886B (sv) 1985-11-11
FR2449382A1 (fr) 1980-09-12

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Legal Events

Date Code Title Description
PBP Patent lapsed