Mask for color picture tube
US6614153B2 · kind B2 · utility
1Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2001 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Oct 18, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/075
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tension mask for a color picture tube includes a plurality of strips separated a predetermined distance from each other and parallel to each other, and a plurality of real bridges for connecting the neighboring strips and forming slots through which electron beams pass, the number of the real bridges gradually decreasing from the central portion of the tension mask to the peripheral portion thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.