Picture display device with a vibration-preventing element
US5192892A · kind A · utility
4Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1990 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Nov 6, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J31/126
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A picture display device using direct heating type linear cathodes as electron beam sources. Inorganic material vibration prevention elements having a hole thereon are provided. The linear cathodes penetrate the vibration prevention elements at one end part or both end parts of respective linear cathodes. This damps vibrations occurring at the time when an external force is applied and cuase them to cease rapidly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.