FR2134570B1 - - Google Patents

Info

Publication number
FR2134570B1
FR2134570B1 FR7214978A FR7214978A FR2134570B1 FR 2134570 B1 FR2134570 B1 FR 2134570B1 FR 7214978 A FR7214978 A FR 7214978A FR 7214978 A FR7214978 A FR 7214978A FR 2134570 B1 FR2134570 B1 FR 2134570B1
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
FR7214978A
Other languages
French (fr)
Other versions
FR2134570A1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KALTENBACH PIERRE US
Original Assignee
KALTENBACH PIERRE US
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 by KALTENBACH PIERRE US filed Critical KALTENBACH PIERRE US
Publication of FR2134570A1 publication Critical patent/FR2134570A1/fr
Application granted granted Critical
Publication of FR2134570B1 publication Critical patent/FR2134570B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Emergency Alarm Devices (AREA)
FR7214978A 1971-04-30 1972-04-27 Expired FR2134570B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13890571A 1971-04-30 1971-04-30

Publications (2)

Publication Number Publication Date
FR2134570A1 FR2134570A1 (enExample) 1972-12-08
FR2134570B1 true FR2134570B1 (enExample) 1975-10-24

Family

ID=22484194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214978A Expired FR2134570B1 (enExample) 1971-04-30 1972-04-27

Country Status (3)

Country Link
US (1) US3750157A (enExample)
DE (1) DE2200085A1 (enExample)
FR (1) FR2134570B1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8808212U1 (de) * 1988-06-25 1988-08-11 Asea Brown Boveri AG, 6800 Mannheim Schaltungsanordnung für einen Störungsmelder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556961A (en) * 1947-02-24 1951-06-12 Honeywell Regulator Co Flame detection apparatus
US3076897A (en) * 1961-10-25 1963-02-05 Clifford D Skirvin Photoelectrically controlled transistor circuit
US3315244A (en) * 1964-01-13 1967-04-18 Aseco Inc Alarm devices
US3416041A (en) * 1965-09-02 1968-12-10 Electronics Corp America Flame sensor quench circuits for combustion control systems
US3548395A (en) * 1966-02-14 1970-12-15 Combustion Eng Flame condition sensing device
FR1555800A (enExample) * 1967-12-08 1969-01-31
US3555532A (en) * 1968-10-29 1971-01-12 Graham Stuart Corp Vapor or particle detection device
US3573777A (en) * 1968-12-09 1971-04-06 Honeywell Inc Combustion products detector control apparatus
US3546692A (en) * 1968-12-16 1970-12-08 Chase Shawmut Co Combined optical and acoustical blown fuse indicator
US3683372A (en) * 1971-05-27 1972-08-08 Robert Horn Multimode self-checking flame detector

Also Published As

Publication number Publication date
US3750157A (en) 1973-07-31
DE2200085A1 (de) 1972-11-02
FR2134570A1 (enExample) 1972-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse