Funnel having vertically long neck portion
US6373183B1 · kind B1 · utility
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6Claims
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Assignee
Inventor
Key dates
| Filing date | Dec 14, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Dec 14, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/8609
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A funnel for a cathode ray tube, and a cathode ray tube including the funnel are provided. The funnel includes a neck portion whose cross section is vertically long, a first cone portion which extends from the neck portion such that the cross section is vertically long as the neck portion, and is surrounded by a deflection yoke, and a second cone portion which extends from the first cone portion to be enlarged and meets a panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.