Optical fibre U.V. and/or I.R. line fire detector
First Claim
Patent Images
1. A fire detection system comprising an optical fibre having first and second ends and an exterior surface extending between the first and second ends and means connected to the optical fibre for detecting at least one of U.V. and I.R. radiation, said radiation being absorbed through any point of the entire exterior surface of the fibre.
0 Assignments
0 Petitions
Accused Products
Abstract
A fire and/or heat detection system comprises an optical fibre which is either unsheathed or sheathed in a transparent material such that U.V. or I.R. radiation in the vicinity of the fibre passes through the skin into the body of the fibre. Means are connected to the ends of the fibre to measure these radiations.
44 Citations
12 Claims
- 1. A fire detection system comprising an optical fibre having first and second ends and an exterior surface extending between the first and second ends and means connected to the optical fibre for detecting at least one of U.V. and I.R. radiation, said radiation being absorbed through any point of the entire exterior surface of the fibre.
Specification