Shrinkage band and cathode ray tube comprising the same
US6741022B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2001 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Mar 30, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/87
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a shrinkage band and a cathode ray tube (CRT) comprising the same. The shrinkage band includes includes a pair of spaced apart parallel first sides, a pair of spaced apart parallel second sides perpendicular to the first sides, the second sides being longer than the first sides, and corner portions connecting the first and second sides such that the corner portions are provided at four corners of the shrinkage band, wherein the shrinkage band is configured to go around an outer circumference of a CRT face panel skirt to apply tension to the face panel, and wherein the first sides, the second sides, and the corner portions of the shrinkage band comprise two materials each having a different permeability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.