CA1135321A - Tilted unitary degaussing coil arrangement - Google Patents

Tilted unitary degaussing coil arrangement

Info

Publication number
CA1135321A
CA1135321A CA000345759A CA345759A CA1135321A CA 1135321 A CA1135321 A CA 1135321A CA 000345759 A CA000345759 A CA 000345759A CA 345759 A CA345759 A CA 345759A CA 1135321 A CA1135321 A CA 1135321A
Authority
CA
Canada
Prior art keywords
envelope
coil
degaussing
shield
flared
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.)
Expired
Application number
CA000345759A
Other languages
English (en)
French (fr)
Inventor
John C. Cooper
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
Application granted granted Critical
Publication of CA1135321A publication Critical patent/CA1135321A/en
Expired 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)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
CA000345759A 1979-02-16 1980-02-15 Tilted unitary degaussing coil arrangement Expired CA1135321A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1281079A 1979-02-16 1979-02-16
US012,810 1979-02-16

Publications (1)

Publication Number Publication Date
CA1135321A true CA1135321A (en) 1982-11-09

Family

ID=21756797

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345759A Expired CA1135321A (en) 1979-02-16 1980-02-15 Tilted unitary degaussing coil arrangement

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
DK148868C (da) 1986-04-21
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
MKEX Expiry