(19)
(11) EP 0 078 443 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.11.1984 Bulletin 1984/48

(43) Date of publication A2:
11.05.1983 Bulletin 1983/19

(21) Application number: 82109622

(22) Date of filing: 19.10.1982
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 30.10.1981 US 316921

(71) Applicant: Armtec Industries, Inc.
 ()

(72) Inventor:
  • Wendt, Roger A.
     ()

   


(54) Fire detection system


(57) An optical fire detector has a radiant energy detector mounted within a housing including a window through which radiant energy is received by the detector. An optical fiber bundle arranged in the wall of the housing has an end emitting light to the detector through the window, and another end receiving light from a test lamp also within the housing but shielded from the detector by an optical shield.







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