Night vision having an image intensifier tube, improved transmission mode photocathode for such a device, and method of making
US5962843A · kind A · utility
7Cited by
8References
30Claims
0Family size
Inventors
Key dates
| Filing date | Jul 17, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Jul 17, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/3423
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A night vision device includes an image intensifier tube, which includes a photocathode responsive both to white light and to infrared light to release photoelectrons. The photocathode is particularly sensitive to infrared light at the 980 nm wavelength, and has desirable spectral response characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.