GB916360A - Improvements in acoustic fire-alarms - Google Patents

Improvements in acoustic fire-alarms

Info

Publication number
GB916360A
GB916360A GB3354261A GB3354261A GB916360A GB 916360 A GB916360 A GB 916360A GB 3354261 A GB3354261 A GB 3354261A GB 3354261 A GB3354261 A GB 3354261A GB 916360 A GB916360 A GB 916360A
Authority
GB
United Kingdom
Prior art keywords
alarms
fire
acoustic
acoustic fire
sept
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
GB3354261A
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.)
BERNHARD FREDERIK JOHANNESEN
Original Assignee
BERNHARD FREDERIK JOHANNESEN
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 BERNHARD FREDERIK JOHANNESEN filed Critical BERNHARD FREDERIK JOHANNESEN
Publication of GB916360A publication Critical patent/GB916360A/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
    • G08B17/08—Actuation involving the use of explosive means

Abstract

916,360. Acoustic fire alarms. JOHANNESEN, B. F. Sept. 19, 1961 [Sept. 19, 1960], No. 33542/61. Class 118. To provide an acoustic fire alarm of the kind consisting of charges which explode at a critical temperature level at which a fire is likely to occur a large number of small detonators or like tiny charges are contained in the paint applied to the surfaces of the region to be protected.
GB3354261A 1960-09-19 1961-09-19 Improvements in acoustic fire-alarms Expired GB916360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK368760A DK94930C (en) 1960-09-19 1960-09-19 Acoustic fire alarm.

Publications (1)

Publication Number Publication Date
GB916360A true GB916360A (en) 1963-01-23

Family

ID=8125668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3354261A Expired GB916360A (en) 1960-09-19 1961-09-19 Improvements in acoustic fire-alarms

Country Status (2)

Country Link
DK (1) DK94930C (en)
GB (1) GB916360A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108510694A (en) * 2018-04-02 2018-09-07 黄鑫 A kind of fire alarm method and its system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1043228A (en) * 1912-11-05 B S Harrington Fire alarm.
US1009638A (en) * 1911-05-10 1911-11-21 Joseph T Bland Fire-alarm.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108510694A (en) * 2018-04-02 2018-09-07 黄鑫 A kind of fire alarm method and its system

Also Published As

Publication number Publication date
DK94930C (en) 1962-12-03

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