Static convergence device for television picture tube
US4908591A · kind A · utility
1Cited by
2References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 7, 1989 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Feb 7, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/703
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A static conversion device for a color television picture tube having a base unit, a central unit and a cap unit mounted in a stack about the neck of the picture tube. Each of the units centers a pair of magnetic rings, and the rings are mounted between outwardly extending tabs of adjacent units. The assembly is maintained in position on the neck of the picture tube by a plurality of pairs of fingers extending from the units to abut the neck of the picture tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.