- Author
- Duston, D. K.
- Title
- Laser Smoke Detection.
- Coporate
- Espey Mfg. and Electronics Corp., Saratoga Springs, NY
- Report
-
U.S. Patent 3,924,252
December 2, 1975
16 p. - Keywords
- smoke detectors | lasers | fire alarm systems
- Identifiers
- detection systems
- Abstract
- The system monitors the scattering interactions of a laser beam with aerosols found within a building. It can discriminate smoke from other aerosols; therefore, it can serve as an effective early warning system for fire detectors.