Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 19, 2010
Patent Application Number
12089789
Date Filed
November 2, 2006
Patent Primary Examiner
Patent abstract
A fire detector has at least two sensor units for monitoring a confined space for the occurrence of a fire. A first fire parameter is monitored according to the scattered light method, using a first sensor unit located at or in the vicinity of the ceiling. At least one second sensor unit of the fire detector, which emits at least two highly focused light beams towards the floor of the confined space, monitors a second fire parameter according to the extinction method.
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