WebSep 2, 1992 · The smoke detector protrudes somewhat below the ceiling. See also U.S. Pat. No. 4,150,373. Devices for disguising a smoke detector are disclosed in U.S. Pat. Nos. 4,529,976 and 3,892,930.... WebIdeal for hostels, hotels, tents and boats, FlareSafe is armed with a revolutionary detector giving life-saving early warning of smoke and fire. Attracting attention is the first move in combatting an assailant or …
Byron H. Howell Inventions, Patents and Patent Applications - Justia
WebPatent number: 4124298. Abstract: An optical smoke detector has a housing which forms a dark chamber into which light is directed on a path viewed by a photocell. Light scattered from the path by smoke causes the cell to trigger an alarm. The housing includes an interior wall around the dark chamber and an exterior wall exposed to ambient light. WebBest Sellers in Smoke Detectors & Fire Alarms #1 First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 1-Pack 29,150 38 offers from $0.17 #2 X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector with LCD Display & 10-Year Battery, Over 820 ft Transmission Range, 1-Pack 4,168 1 offer from … eriks plastics and seals
Thermal Imaging Cameras for Flare Monitoring Teledyne …
WebSep 25, 2008 · This is accomplished by using a flashlight or other item capable of directing a beam of radiant energy toward a photo sensor located on the detector unit. U.S. Pat. No. 4,166,960 to Meilla discloses a smoke detector having a radiation source for producing a directed radiation beam capable of sensing scattered smoke particles therein. WebHome / Flares/Smoke Flares/Smoke. Flares 2 Products; Smoke Distress Signal 2 Products; Contact Us. 4336 Stephenson Rd. Clayton, WA. 99110 (509) 535-9486; [email protected]; Mon - Fri / 8:00 AM - 4:00 PM; Facebook Twitter. Shop. New Products / Sale Products; Rifle; Pistol; Shotgun; Large Bore; Flares/Smoke; Ordnance; Other … WebEP0213878B1 1991-05-29 A light-scattering-type smoke detector. US5400014A 1995-03-21 Smoke detector with dark chamber. US5430307A 1995-07-04 Light scattering smoke detector with smoke-entrance ladyrinth designed to prevent false signals due to reflection. US5719557A 1998-02-17 Photoelectric smoke detector. erikson\u0027s young adulthood stage