Apparatus for simulating the light produced by a fire
US4064414A · kind A · utility
25Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1977 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Jan 31, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B41/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Fire simulating apparatus includes a random number generator, a digital-to-analog converter for converting the output of the random number generator to an analog signal, a lamp coupled to a power source, a switching device coupled in series with the lamp and power source, and a control circuit for controlling the conductivity of the switching device in accordance with the magnitude of the analog signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.