Lighting units
US4782434A · kind A · utility
9Cited by
3References
5Claims
0Family size
Inventor
Key dates
| Filing date | Nov 10, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Nov 10, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/807
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting unit provides a twindling effect by having a plurality of individual lamps within one unit and having electrical driving means to illuminate the lamps at different time intervals, preferably with a degree of randomness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.