GB1266424A - - Google Patents

Info

Publication number
GB1266424A
GB1266424A GB1266424DA GB1266424A GB 1266424 A GB1266424 A GB 1266424A GB 1266424D A GB1266424D A GB 1266424DA GB 1266424 A GB1266424 A GB 1266424A
Authority
GB
United Kingdom
Prior art keywords
switch
closed
temperature
terminals
measuring
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
English (en)
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
Publication of GB1266424A publication Critical patent/GB1266424A/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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
GB1266424D 1969-05-13 1969-05-13 Expired GB1266424A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2435469 1969-05-13

Publications (1)

Publication Number Publication Date
GB1266424A true GB1266424A (enrdf_load_stackoverflow) 1972-03-08

Family

ID=10210400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266424D Expired GB1266424A (enrdf_load_stackoverflow) 1969-05-13 1969-05-13

Country Status (1)

Country Link
GB (1) GB1266424A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011461A1 (en) * 1978-11-10 1980-05-28 BICC Limited An improved fire detection system
US4423410A (en) 1978-10-16 1983-12-27 American District Telegraph Company Two-wire multi-zone alarm system
US4491828A (en) * 1978-10-16 1985-01-01 American District Telegraph Company Two-wire multi-zone alarm system
FR2608815A1 (fr) * 1986-12-17 1988-06-24 Aerospatiale Systeme pour detecter la surchauffe d'ambiance de differents espaces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423410A (en) 1978-10-16 1983-12-27 American District Telegraph Company Two-wire multi-zone alarm system
US4491828A (en) * 1978-10-16 1985-01-01 American District Telegraph Company Two-wire multi-zone alarm system
EP0011461A1 (en) * 1978-11-10 1980-05-28 BICC Limited An improved fire detection system
FR2608815A1 (fr) * 1986-12-17 1988-06-24 Aerospatiale Systeme pour detecter la surchauffe d'ambiance de differents espaces

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee