Cathode ray tube
US6657374B1 · kind B1 · utility
3Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2000 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | May 31, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/862
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode ray tube including a portion whose thickness becomes(2.78+0.0038×D)≦t1≦(3.7+0.0038×D)[mm]where D is a diagonal axis length [mm] between rectangular corner portions of an effective screen of a panel, and t1 is a thickness [mm] at positions which occupy 75% of a length of a body portion extending from a sealing surface of the body portion to a yoke portion along a tube axis direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.