SE8604221L - Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning - Google Patents

Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning

Info

Publication number
SE8604221L
SE8604221L SE8604221A SE8604221A SE8604221L SE 8604221 L SE8604221 L SE 8604221L SE 8604221 A SE8604221 A SE 8604221A SE 8604221 A SE8604221 A SE 8604221A SE 8604221 L SE8604221 L SE 8604221L
Authority
SE
Sweden
Prior art keywords
image
loop
compensation
field
dipole
Prior art date
Application number
SE8604221A
Other languages
English (en)
Other versions
SE454826B (sv
SE8604221D0 (sv
Inventor
R Johansson
A Langh
K Madsen
Original Assignee
Ericsson Telefon Ab L M
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
Publication of SE8604221D0 publication Critical patent/SE8604221D0/sv
Priority to SE8604221A priority Critical patent/SE454826B/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to IN160/DEL/87A priority patent/IN167955B/en
Priority to AU72024/87A priority patent/AU594145B2/en
Priority to AT87902168T priority patent/ATE52388T1/de
Priority to JP62501997A priority patent/JP2525437B2/ja
Priority to PCT/SE1987/000109 priority patent/WO1987006054A1/en
Priority to EP19870902168 priority patent/EP0260311B1/en
Priority to US07/130,463 priority patent/US4851737A/en
Priority to DE8787902168T priority patent/DE3762560D1/de
Priority to IE60587A priority patent/IE59959B1/en
Priority to ES8700829A priority patent/ES2003240A6/es
Priority to CA000533084A priority patent/CA1281362C/en
Priority to CN87102360.1A priority patent/CN1007303B/zh
Priority to FI874972A priority patent/FI84864C/sv
Priority to NO874896A priority patent/NO171527C/no
Priority to DK621087A priority patent/DK166056C/da
Publication of SE8604221L publication Critical patent/SE8604221L/sv
Publication of SE454826B publication Critical patent/SE454826B/sv

Links

Classifications

    • 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
    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B17/00—Screening
    • G12B17/02—Screening from electric or magnetic fields, e.g. radio waves
    • 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
    • H01J29/96—One or more circuit elements structurally associated with the tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
SE8604221A 1986-03-27 1986-10-03 Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning SE454826B (sv)

Priority Applications (16)

Application Number Priority Date Filing Date Title
SE8604221A SE454826B (sv) 1986-10-03 1986-10-03 Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning
IN160/DEL/87A IN167955B (sv) 1986-03-27 1987-02-24
AU72024/87A AU594145B2 (en) 1986-03-27 1987-03-05 Reducing leakage magnetic field about cathode ray tube
AT87902168T ATE52388T1 (de) 1986-03-27 1987-03-05 Anordnung bei kathodenstrahlroehren zur ermaessigung des magnetfeldes in der roehrenumgebung.
JP62501997A JP2525437B2 (ja) 1986-03-27 1987-03-05 陰極線管の周囲において磁界の強さを減少する装置
PCT/SE1987/000109 WO1987006054A1 (en) 1986-03-27 1987-03-05 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
EP19870902168 EP0260311B1 (en) 1986-03-27 1987-03-05 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
US07/130,463 US4851737A (en) 1986-03-27 1987-03-05 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
DE8787902168T DE3762560D1 (de) 1986-03-27 1987-03-05 Anordnung bei kathodenstrahlroehren zur ermaessigung des magnetfeldes in der roehrenumgebung.
IE60587A IE59959B1 (en) 1986-03-27 1987-03-10 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
ES8700829A ES2003240A6 (es) 1986-03-27 1987-03-25 Aparato en tubos de rayos catodicos para reducir la intensidad de campo magnetico en el medio ambiente del tubo
CA000533084A CA1281362C (en) 1986-03-27 1987-03-26 Compensation loops in cathode ray tubes for reducing the magnetic field strength in the tube environment
CN87102360.1A CN1007303B (zh) 1986-03-27 1987-03-26 减小阴极射线管周围磁场强度的装置
FI874972A FI84864C (sv) 1986-03-27 1987-11-11 Anordning vid bildrör för att reducera den magnetiska fältstyrkan i bi ldrörets omgivning
NO874896A NO171527C (no) 1986-03-27 1987-11-24 Anordning ved katodestraaleroer for reduksjon av magnetfeltstyrken i roerets omgivelser
DK621087A DK166056C (da) 1986-03-27 1987-11-26 Indretning i billedroer til nedsaettelse af den magnetiske feltstyrke i billedroerets omgivelser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8604221A SE454826B (sv) 1986-10-03 1986-10-03 Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning

Publications (3)

Publication Number Publication Date
SE8604221D0 SE8604221D0 (sv) 1986-10-03
SE8604221L true SE8604221L (sv) 1988-04-04
SE454826B SE454826B (sv) 1988-05-30

Family

ID=20365822

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8604221A SE454826B (sv) 1986-03-27 1986-10-03 Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning

Country Status (1)

Country Link
SE (1) SE454826B (sv)

Also Published As

Publication number Publication date
SE454826B (sv) 1988-05-30
SE8604221D0 (sv) 1986-10-03

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