Tension mask frame assembly of color picture tube
US6756724B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2001 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Feb 22, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/075
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tension mask frame assembly of a color cathode-ray tube, the assembly including a tension mask including a plurality of parallel strips spaced at predetermined intervals apart from each other and a plurality of real bridges for connecting adjacent strips to each other to form slots through which electron beams pass, the number of real bridges gradually decreasing in a direction from the center portion of the mask to the peripheral portion thereof, a frame for supporting the tension mask so that a tensile force is applied to the tension mask in the direction of strips, and at least one damper which is installed on the frame and contact the strips of the tension mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.