TREA

Fire alarms Alarms responsive to explosion

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Industry

  • CPC
  • G08B17/00
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Parent Industries

GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS

Current Industry

G08B17/00Fire alarms Alarms responsive to explosion

Sub Industries

G08B17/005for forest fires G08B17/02Mechanical actuation of the alarm G08B17/04Hydraulic or pneumatic actuation of the alarm G08B17/06Electric actuation of the alarm G08B17/08Actuation involving the use of explosive means G08B17/10Actuation by presence of smoke or gases automatic alarm devices for analysing flowing fluid materials by the use of optical means G08B17/103using a light-emitting and receiving device G08B17/107for detecting light-scattering due to smoke G08B17/11using an ionisation chamber for detecting smoke or gas G08B17/113Constructional details G08B17/117by using a detection device for specific gases G08B17/12Actuation by presence of radiation or particles G08B17/125by using a video camera to detect fire or smoke
Industries