Luminous element for lamp
US6777860B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2002 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Jul 9, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01K1/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminous element (10) for a lamp is double helix-shaped, with two connection parts (18, 20) situated at one end of said double helix. The diameter (D1, D2) of the double helix increases consistently in the direction of the two connection parts (18, 20) of the luminous element (10). The invention also relates to a lamp with a luminous element of this type, to a method for producing a luminous element of this type and to a device for carrying out the production method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.