DK148868C - DEMAGNETIZING DEVICE, NAMELY FOR COLOR IMAGE DRIVERS - Google Patents

DEMAGNETIZING DEVICE, NAMELY FOR COLOR IMAGE DRIVERS

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)
Other versions
DK148868B (en
DK67780A (en
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/en
Publication of DK148868B publication Critical patent/DK148868B/en
Application granted granted Critical
Publication of DK148868C publication Critical patent/DK148868C/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

  • 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)
DK67780A 1979-02-16 1980-02-15 DEMAGNETIZING DEVICE, NAMELY FOR COLOR IMAGE DRIVERS DK148868C (en)

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 (en) 1980-08-17
DK148868B DK148868B (en) 1985-10-28
DK148868C true DK148868C (en) 1986-04-21

Family

ID=21756797

Family Applications (1)

Application Number Title Priority Date Filing Date
DK67780A DK148868C (en) 1979-02-16 1980-02-15 DEMAGNETIZING DEVICE, NAMELY FOR COLOR IMAGE DRIVERS

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) ES8100551A1 (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
US3872347A (en) * 1972-04-14 1975-03-18 Tokyo Shibaura Electric Co 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
ZA80875B (en) 1981-08-26
GB2046559A (en) 1980-11-12
JPS55112087A (en) 1980-08-29
ES488650A0 (en) 1980-11-01
FI70357C (en) 1986-09-15
HK27284A (en) 1984-03-30
ES8100551A1 (en) 1980-11-01
SE8001035L (en) 1980-08-17
DE3005763C2 (en) 1984-11-15
CA1135321A (en) 1982-11-09
IT1140569B (en) 1986-10-01
FR2449382A1 (en) 1980-09-12
BE881758A (en) 1980-05-30
NZ192884A (en) 1983-11-18
DK148868B (en) 1985-10-28
FI70357B (en) 1986-02-28
PL126142B1 (en) 1983-07-30
AU5535780A (en) 1980-08-21
AT381201B (en) 1986-09-10
GB2046559B (en) 1983-04-20
MY8500294A (en) 1985-12-31
SE441886B (en) 1985-11-11
SU936835A3 (en) 1982-06-15
IT8019868A0 (en) 1980-02-12
FR2449382B1 (en) 1985-11-22
ATA88580A (en) 1986-01-15
KR900006295B1 (en) 1990-08-27
DE3005763A1 (en) 1980-08-28
DK67780A (en) 1980-08-17
AU535877B2 (en) 1984-04-12
PL222054A1 (en) 1980-11-03
FI800394A (en) 1980-08-17

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Legal Events

Date Code Title Description
PBP Patent lapsed