SE8600991D0 - Anordning for att reducera magnetisk feltstyrka i nerheten av apparat med katodstraleror med magnetisk avlenkning - Google Patents
Anordning for att reducera magnetisk feltstyrka i nerheten av apparat med katodstraleror med magnetisk avlenkningInfo
- Publication number
- SE8600991D0 SE8600991D0 SE8600991A SE8600991A SE8600991D0 SE 8600991 D0 SE8600991 D0 SE 8600991D0 SE 8600991 A SE8600991 A SE 8600991A SE 8600991 A SE8600991 A SE 8600991A SE 8600991 D0 SE8600991 D0 SE 8600991D0
- Authority
- SE
- Sweden
- Prior art keywords
- field
- radiators
- cathodic
- field strength
- magnetic field
- Prior art date
Links
- 230000007123 defense Effects 0.000 title 1
- 230000000266 injurious effect Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
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
- 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
- H01J2229/0015—Preventing or cancelling fields leaving the enclosure
-
- 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
- H01J2229/003—Preventing or cancelling fields entering the enclosure
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8600991A SE452077C (sv) | 1986-03-04 | 1986-03-04 | Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm |
PCT/SE1987/000100 WO1987005437A1 (en) | 1986-03-04 | 1987-03-03 | A device for the suppression of leakage fields in front of viewing screens and the like |
NO874535A NO174079C (no) | 1986-03-04 | 1987-10-30 | Anordning til undertrykkelse av lekkasjefelter foran billedskjermer og lignende |
DK576287A DK576287A (da) | 1986-03-04 | 1987-11-03 | Indretning til undertrykkelse af laekfelter foran billedskaerme og lignende |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8600991A SE452077C (sv) | 1986-03-04 | 1986-03-04 | Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm |
Publications (4)
Publication Number | Publication Date |
---|---|
SE8600991D0 true SE8600991D0 (sv) | 1986-03-04 |
SE8600991L SE8600991L (sv) | 1987-09-05 |
SE452077B SE452077B (sv) | 1987-11-09 |
SE452077C SE452077C (sv) | 1992-12-07 |
Family
ID=20363690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8600991A SE452077C (sv) | 1986-03-04 | 1986-03-04 | Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE452077C (sv) |
WO (1) | WO1987005437A1 (sv) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8700449A (nl) * | 1987-02-24 | 1988-09-16 | Philips Nv | Beeldweergeefinrichting met middelen voor het compenseren van lijnstrooivelden. |
DE68911940T2 (de) * | 1988-02-01 | 1994-06-30 | Philips Nv | Bildwiedergabeanordnung mit einem Ausgleichsspulenbestückten, magnetisierbaren Kernmittel. |
GB8806230D0 (en) * | 1988-03-16 | 1988-04-13 | Vistek Electronics Ltd | Display arrangement |
JPH027334A (ja) * | 1988-06-24 | 1990-01-11 | Victor Co Of Japan Ltd | 漏れ磁束軽減装置 |
EP0348571A1 (en) * | 1988-06-30 | 1990-01-03 | International Business Machines Corporation | Cathode ray tube display monitor with stray magnetic field compensation |
NO165698C (no) * | 1988-07-05 | 1991-03-20 | System Sikkerhet As | System for beskyttelse mot avlytting av digitalt utstyr. |
GB2223649A (en) * | 1988-07-27 | 1990-04-11 | Peter Thompson Wright | A screen for an electromagnetic field |
US5200673A (en) * | 1988-10-31 | 1993-04-06 | Victor Company Of Japan, Ltd. | Method and device for suppression of leakage of magnetic flux in display apparatus |
JPH0752631B2 (ja) * | 1989-06-09 | 1995-06-05 | 株式会社東芝 | 陰極線管装置 |
US5189348A (en) * | 1989-06-09 | 1993-02-23 | Kabushiki Kaisha Toshiba | Cathode ray tube apparatus intended to reduce magnetic fluxes leaked outside the apparatus |
FI87127C (sv) * | 1991-04-15 | 1992-11-25 | Imatran Voima Oy | Förfarande för minskande av avståndsberoende spänningsstigning i paral lella högfrekvenselektroder |
JP3121089B2 (ja) * | 1992-01-17 | 2000-12-25 | 株式会社日立製作所 | 偏向ヨーク |
DE4203828C2 (de) * | 1992-02-10 | 1996-03-14 | Siemens Nixdorf Inf Syst | Bildschirmgerät |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2227029A (en) * | 1937-02-05 | 1940-12-31 | Loewe Radio Inc | Elimination of the magnetic dispersion of transformers |
NL266290A (sv) * | 1960-06-24 | |||
JPS5137393Y2 (sv) * | 1971-10-28 | 1976-09-13 | ||
DE2705515C2 (de) * | 1977-02-10 | 1985-11-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Bildwiedergabegerät mit einer Bildröhre und einem Netztrafo |
DE3017331A1 (de) * | 1980-05-06 | 1981-11-12 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern |
-
1986
- 1986-03-04 SE SE8600991A patent/SE452077C/sv not_active IP Right Cessation
-
1987
- 1987-03-03 WO PCT/SE1987/000100 patent/WO1987005437A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO1987005437A1 (en) | 1987-09-11 |
SE8600991L (sv) | 1987-09-05 |
SE452077C (sv) | 1992-12-07 |
SE452077B (sv) | 1987-11-09 |
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