Beam deflector for a cathode ray tube
US5258734A · kind A · utility
6Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Feb 10, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/76
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A deflection yoke for a cathode ray tube is provided with two separated winding portions, a first portion provided around the neck portion and the tapered portion from the neck to the screen of the cathode ray tube has a uniform and circular winding distribution and a second portion close to the screen of the picture tube has a non-uniform winding distribution and is elongated in the x-axis direction to provide a pin cushion magnetic field without adversely affecting the focus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.