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FR1555800A - - Google Patents

Info

Publication number
FR1555800A
FR1555800A FR131625A FR1555800DA FR1555800A FR 1555800 A FR1555800 A FR 1555800A FR 131625 A FR131625 A FR 131625A FR 1555800D A FR1555800D A FR 1555800DA FR 1555800 A FR1555800 A FR 1555800A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR131625A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1555800A publication Critical patent/FR1555800A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR131625A 1967-12-08 1967-12-08 Expired FR1555800A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR131625 1967-12-08

Publications (1)

Publication Number Publication Date
FR1555800A true FR1555800A (fr) 1969-01-31

Family

ID=8642996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR131625A Expired FR1555800A (fr) 1967-12-08 1967-12-08

Country Status (4)

Country Link
US (1) US3544792A (fr)
DE (1) DE1809801A1 (fr)
FR (1) FR1555800A (fr)
GB (1) GB1212789A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653016A (en) * 1970-09-09 1972-03-28 Us Air Force Combination visible light detector and ultraviolet detector coacting as a fire discrimination system
US3750157A (en) * 1971-04-30 1973-07-31 P Kaltenbach Light detection monitoring device
US3786460A (en) * 1972-02-24 1974-01-15 P Kaltenbach Light detection monitoring device
US3775762A (en) * 1972-09-15 1973-11-27 Us Air Force Gas multiplication ultraviolet detector system for fire detection
GB1515116A (en) * 1974-11-05 1978-06-21 Graviner Ltd Methods and apparatus for optimising the response of transducers
US4005754A (en) * 1975-03-06 1977-02-01 Gerhard Linden Process for the automatic reporting and extinguishing of fires
US4455487A (en) * 1981-10-30 1984-06-19 Armtec Industries, Inc. Fire detection system with IR and UV ratio detector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380045A (en) * 1965-04-26 1968-04-23 John E. Lindberg Redundant fire detection circuit
US3286093A (en) * 1966-07-22 1966-11-15 Combustion Eng Flame detector system using a lightly loaded glow discharge detector tube

Also Published As

Publication number Publication date
GB1212789A (en) 1970-11-18
US3544792A (en) 1970-12-01
DE1809801A1 (de) 1969-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse