Filament for radiation source
US7280749B2 · kind B2 · utility
0Cited by
18References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2002 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | May 30, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/032
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A radiation source including a base, a curved reflector attached to the base, pins passing through the base and within the reflector, and a filament of high emissivity material helically wound about the pins and having opposing ends electrically connected to the pins so that upon passage of electrical energy through the filament, the filament becomes electrically heated and emits infrared radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.