Method for forming special color effects from a fluorescent lamp which is supplied with electrical power and a device for carrying out the method
US4691146A · kind A · utility
1Cited by
5References
18Claims
0Family size
Inventor
Key dates
| Filing date | Mar 10, 1986 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Mar 10, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/811
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method and a device for forming special color effects wth at least an electrical lamp which is supplied with a pulsed current and moved by a relative movement into space. The device supplies the electrical lamp with an electrical current which is pulsed during a time T1 in accordance with a pulsating period T, the cyclic ratio T1/T varying between 0 and 1 and the frequency 1/T varying from 1 to 500 Hz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.