- Author
- Horvath, Z. | Purt, G.
- Title
- Sensing Presence of Fire.
- Coporate
- Cerberus AG, Mannedorf, Switzerland
- Report
-
U.S. Patent 3,922,656
November 25, 1975
6 p. - Keywords
- sensors | photoelectric detectors | tests | false alarms
- Identifiers
- light source