FR989541A - Fire detector device - Google Patents

Fire detector device

Info

Publication number
FR989541A
FR989541A FR989541DA FR989541A FR 989541 A FR989541 A FR 989541A FR 989541D A FR989541D A FR 989541DA FR 989541 A FR989541 A FR 989541A
Authority
FR
France
Prior art keywords
fire detector
detector device
fire
detector
Prior art date
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
Other languages
French (fr)
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.)
Mather and Platt Ltd
Original Assignee
Mather and Platt Ltd
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 Mather and Platt Ltd filed Critical Mather and Platt Ltd
Application granted granted Critical
Publication of FR989541A publication Critical patent/FR989541A/en
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
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
FR989541D 1948-07-21 1949-06-24 Fire detector device Expired FR989541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB281300X 1948-07-21

Publications (1)

Publication Number Publication Date
FR989541A true FR989541A (en) 1951-09-10

Family

ID=10270726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989541D Expired FR989541A (en) 1948-07-21 1949-06-24 Fire detector device

Country Status (5)

Country Link
US (1) US2632885A (en)
BE (1) BE490155A (en)
CH (1) CH281300A (en)
FR (1) FR989541A (en)
GB (1) GB644542A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861159A (en) * 1953-08-31 1958-11-18 Du Pont Resistance probe for level control
US2904995A (en) * 1953-12-10 1959-09-22 Illinois Testing Laboratories Dew-point detecting device
US2824278A (en) * 1954-10-01 1958-02-18 Honeywell Regulator Co Liquid level sensing apparatus
US2945218A (en) * 1955-05-19 1960-07-12 Bailey Meter Co Monitoring system including a magnetic amplifier
US2896057A (en) * 1956-10-29 1959-07-21 Statham Instrument Inc Temperature control device
US3023398A (en) * 1958-04-09 1962-02-27 Charles L Siegert Infra-red radiation monitor
US3109165A (en) * 1958-09-05 1963-10-29 Specialties Dev Corp Intruder detecting system
US3643245A (en) * 1970-03-11 1972-02-15 Kidde & Co Walter Discrete heat-detecting system using a thermistor detecting element
US4325145A (en) * 1978-04-06 1982-04-13 Corbett Marshall J Thermal detection system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR611455A (en) * 1926-09-29
BE333764A (en) * 1925-04-07
FR632050A (en) * 1926-07-06 1927-12-30 Remote signaling system
US2236891A (en) * 1937-07-17 1941-04-01 Gamewell Co Fire alarm system

Also Published As

Publication number Publication date
CH281300A (en) 1952-02-29
US2632885A (en) 1953-03-24
GB644542A (en) 1950-10-11
BE490155A (en)

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