GB996568A - Improvements in deflection coil assemblies for cathode ray tubes - Google Patents
Improvements in deflection coil assemblies for cathode ray tubesInfo
- Publication number
- GB996568A GB996568A GB574462A GB574462A GB996568A GB 996568 A GB996568 A GB 996568A GB 574462 A GB574462 A GB 574462A GB 574462 A GB574462 A GB 574462A GB 996568 A GB996568 A GB 996568A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coils
- section
- turns
- sections
- ray tubes
- 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
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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/76—Deflecting by magnetic fields only
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
996,568. Cathode-ray tubes. E. K. COLE Ltd. Dec. 20, 1962 [Feb. 15, 1962], No. 5744/62. Heading H1D. A cathode-ray tube deflection coil assembly generally similar to that of Specification 920,187, has its field deflection coils L3, L4 arranged in sections which are wound from alternate sides of the coils and which are separated by layers S1 S2 of metal foil or metallized paper to reduce the intersection capacitances and hence the circulating currents in coils L3, L4 produced by the change of line flux (line-scan ringing). If coils of the above type have two outer sections which are coplanar, e.g. turns of one coil section wound in the spaces between turns of another section, and/or an outer section with less turns than that of a preceding section, then the intersection capacitances may be sufficiently reduced by mounting the metallic layers on the outer surfaces of the coils instead of between the coil sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB574462A GB996568A (en) | 1962-02-15 | 1962-02-15 | Improvements in deflection coil assemblies for cathode ray tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB574462A GB996568A (en) | 1962-02-15 | 1962-02-15 | Improvements in deflection coil assemblies for cathode ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB996568A true GB996568A (en) | 1965-06-30 |
Family
ID=9801835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB574462A Expired GB996568A (en) | 1962-02-15 | 1962-02-15 | Improvements in deflection coil assemblies for cathode ray tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB996568A (en) |
-
1962
- 1962-02-15 GB GB574462A patent/GB996568A/en not_active Expired
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