GB191112485A - Improvements in Automatic Electric Fire Alarms. - Google Patents

Improvements in Automatic Electric Fire Alarms.

Info

Publication number
GB191112485A
GB191112485A GB191112485DA GB191112485A GB 191112485 A GB191112485 A GB 191112485A GB 191112485D A GB191112485D A GB 191112485DA GB 191112485 A GB191112485 A GB 191112485A
Authority
GB
United Kingdom
Prior art keywords
controlled
automatic electric
electric fire
fire alarms
valves
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)
Inventor
Otto Rennert
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191112485A publication Critical patent/GB191112485A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Feedback Control In General (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
GB191112485D 1910-05-23 1911-05-23 Improvements in Automatic Electric Fire Alarms. Expired GB191112485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE243105T 1910-05-23

Publications (1)

Publication Number Publication Date
GB191112485A true GB191112485A (en) 1912-05-23

Family

ID=32337013

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191112485D Expired GB191112485A (en) 1910-05-23 1911-05-23 Improvements in Automatic Electric Fire Alarms.

Country Status (3)

Country Link
DE (1) DE243105C (https=)
FR (1) FR432581A (https=)
GB (1) GB191112485A (https=)

Also Published As

Publication number Publication date
DE243105C (https=)
FR432581A (fr) 1911-12-09

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