Shadow mask mounting apparatus in a color picture tube
US4806819A · kind A · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 1987 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Oct 13, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/073
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A shadow-mask color picture tube has a glass panel and glass funnel joined together via outwardly extending flange portions thereof. To mount a shadow mask in the picutre tube, holding plates are fastened between the flanges, preferably in internal recesses of the flanges, and each of the holding plates has a hole for a rivet which holds the mask and, in a preferred embodiment, an internal shield. The mask is preferably connected with the holding plates via bimetal elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.