- Author
- Fire Engineers Journal | Fire Prevention
- Title
- Smoke Signals.
- Journal
- Fire Engineers Journal, Vol. 67, No. 276 / Fire Prevention, No. 412, 46,48, January 2007
- Keywords
- smoke detectors | signals | fire detection systems | fire alarm systems | threshold detectors (dosimeters) | sleeping | adults | elderly persons
- Identifiers
- high frequency alarm signal; mixed frequency signal