Funnel for a cathode ray tube having a flare zone
US5777430A · kind A · utility
9Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1996 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Sep 26, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/861
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A funnel for a cathode ray tube, which includes a neck tube; the neck tube having an end enlarged to provide a flare zone; and the flare zone having an opened end for coupling a stem for supporting stem pins thereto; wherein the flare zone has at least an outer shape constituted by a tapered surface and a substantially straight surface continuous therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.