SE8601705L - MAINTENANCE REDUCING DEVICE - Google Patents
MAINTENANCE REDUCING DEVICEInfo
- Publication number
- SE8601705L SE8601705L SE8601705A SE8601705A SE8601705L SE 8601705 L SE8601705 L SE 8601705L SE 8601705 A SE8601705 A SE 8601705A SE 8601705 A SE8601705 A SE 8601705A SE 8601705 L SE8601705 L SE 8601705L
- Authority
- SE
- Sweden
- Prior art keywords
- coils
- wound
- bobbin
- fitted
- main
- Prior art date
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
- H01J29/96—One or more circuit elements structurally associated with the tube
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
The coils (2,3) fitted to the cathode ray rube (1) have a further coil (6) connected to them which is coupled and wound to produce a magnetic alternating field counter-directed to the interference field produced by the main coils. The further coil is formed as a separate unit which fits alongside the main coils, and has little inductance. It is air-wound or wound on a bobbin comprising electrically insulating material. - The bobbin enables attachment of one or more magnetically conductive parts. A ferrite core (8) is fitted around the throat (1a) of the cathode ray tube, and inside it are located the two main windings series-coupled in the form of saddle coils. Toroid coils may also be used. The coil bobbin also has a holder which can work in conjunction with the outer surface of the ferrite core (8), and has one or more tracks in which the magnetically conductive parts are fitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601705A SE8601705L (en) | 1986-04-15 | 1986-04-15 | MAINTENANCE REDUCING DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601705A SE8601705L (en) | 1986-04-15 | 1986-04-15 | MAINTENANCE REDUCING DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8601705D0 SE8601705D0 (en) | 1986-04-15 |
SE8601705L true SE8601705L (en) | 1987-10-16 |
Family
ID=20364196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8601705A SE8601705L (en) | 1986-04-15 | 1986-04-15 | MAINTENANCE REDUCING DEVICE |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE8601705L (en) |
-
1986
- 1986-04-15 SE SE8601705A patent/SE8601705L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8601705D0 (en) | 1986-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8601705-0 Effective date: 19880512 |