Two stage light converting vacuum tube
US4929867A · kind A · utility
6Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1988 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Jun 3, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2231/50063
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Shown is an integral two-stage vacuum tube with means for efficient optical coupling of the light from an output screen of the first stage into the photocathode of the second stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.